$include_dir="/home/hyper-archives/boost-commit/include"; include("$include_dir/msg-header.inc") ?>
Subject: [Boost-commit] svn:boost r54870 - in trunk: boost/exception libs/exception/doc libs/exception/doc/source
From: emil_at_[hidden]
Date: 2009-07-10 15:03:32
Author: emildotchevski
Date: 2009-07-10 15:03:29 EDT (Fri, 10 Jul 2009)
New Revision: 54870
URL: http://svn.boost.org/trac/boost/changeset/54870
Log:
documentation update
Text files modified: 
   trunk/boost/exception/exception.hpp                                      |    12                                         
   trunk/libs/exception/doc/boost_exception_errinfo_api_function_hpp.html   |     1                                         
   trunk/libs/exception/doc/boost_exception_errinfo_at_line_hpp.html        |     1                                         
   trunk/libs/exception/doc/boost_exception_errinfo_errno_hpp.html          |     1                                         
   trunk/libs/exception/doc/boost_exception_errinfo_file_handle_hpp.html    |     1                                         
   trunk/libs/exception/doc/boost_exception_errinfo_file_name_hpp.html      |     1                                         
   trunk/libs/exception/doc/boost_exception_errinfo_file_open_mode_hpp.html |     1                                         
   trunk/libs/exception/doc/boost_exception_errinfo_type_info_name_hpp.html |     1                                         
   trunk/libs/exception/doc/boost_exception_exception_hpp.html              |     6                                         
   trunk/libs/exception/doc/errinfo_api_function.html                       |     1                                         
   trunk/libs/exception/doc/errinfo_errno.html                              |     1                                         
   trunk/libs/exception/doc/errinfo_file_name.html                          |     1                                         
   trunk/libs/exception/doc/errinfo_file_open_mode.html                     |     1                                         
   trunk/libs/exception/doc/error_info.html                                 |    16                                         
   trunk/libs/exception/doc/frequently_asked_questions.html                 |    12                                         
   trunk/libs/exception/doc/source/boost-exception.reno                     |  7516 ++++++++++++++++++++------------------- 
   trunk/libs/exception/doc/synopsis.html                                   |     6                                         
   17 files changed, 3816 insertions(+), 3763 deletions(-)
Modified: trunk/boost/exception/exception.hpp
==============================================================================
--- trunk/boost/exception/exception.hpp	(original)
+++ trunk/boost/exception/exception.hpp	2009-07-10 15:03:29 EDT (Fri, 10 Jul 2009)
@@ -80,13 +80,13 @@
     template <class Tag,class T>
     class error_info;
 
-    typedef error_info<struct tag_throw_function,char const *> throw_function;
-    typedef error_info<struct tag_throw_file,char const *> throw_file;
-    typedef error_info<struct tag_throw_line,int> throw_line;
+    typedef error_info<struct throw_function_,char const *> throw_function;
+    typedef error_info<struct throw_file_,char const *> throw_file;
+    typedef error_info<struct throw_line_,int> throw_line;
 
     template <>
     class
-    error_info<tag_throw_function,char const *>
+    error_info<throw_function_,char const *>
         {
         public:
         typedef char const * value_type;
@@ -100,7 +100,7 @@
 
     template <>
     class
-    error_info<tag_throw_file,char const *>
+    error_info<throw_file_,char const *>
         {
         public:
         typedef char const * value_type;
@@ -114,7 +114,7 @@
 
     template <>
     class
-    error_info<tag_throw_line,int>
+    error_info<throw_line_,int>
         {
         public:
         typedef int value_type;
Modified: trunk/libs/exception/doc/boost_exception_errinfo_api_function_hpp.html
==============================================================================
--- trunk/libs/exception/doc/boost_exception_errinfo_api_function_hpp.html	(original)
+++ trunk/libs/exception/doc/boost_exception_errinfo_api_function_hpp.html	2009-07-10 15:03:29 EDT (Fri, 10 Jul 2009)
@@ -32,7 +32,6 @@
 </div></div><div class="RenoAutoDIV"><div class="RenoHR"><hr/></div>
 <h3>See Also:</h3>
 <div class="RenoPageList"><a href="boost_exception_all_hpp.html">boost/exception/all.hpp<br/>
-</a><a href="errinfo_api_function.html">errinfo_api_function<br/>
 </a><a href="synopsis.html">Synopsis<br/>
 </a></div>
 </div>
Modified: trunk/libs/exception/doc/boost_exception_errinfo_at_line_hpp.html
==============================================================================
--- trunk/libs/exception/doc/boost_exception_errinfo_at_line_hpp.html	(original)
+++ trunk/libs/exception/doc/boost_exception_errinfo_at_line_hpp.html	2009-07-10 15:03:29 EDT (Fri, 10 Jul 2009)
@@ -32,7 +32,6 @@
 </div></div><div class="RenoAutoDIV"><div class="RenoHR"><hr/></div>
 <h3>See Also:</h3>
 <div class="RenoPageList"><a href="boost_exception_all_hpp.html">boost/exception/all.hpp<br/>
-</a><a href="errinfo_at_line.html">errinfo_at_line<br/>
 </a><a href="synopsis.html">Synopsis<br/>
 </a></div>
 </div>
Modified: trunk/libs/exception/doc/boost_exception_errinfo_errno_hpp.html
==============================================================================
--- trunk/libs/exception/doc/boost_exception_errinfo_errno_hpp.html	(original)
+++ trunk/libs/exception/doc/boost_exception_errinfo_errno_hpp.html	2009-07-10 15:03:29 EDT (Fri, 10 Jul 2009)
@@ -33,7 +33,6 @@
 </div></div><div class="RenoAutoDIV"><div class="RenoHR"><hr/></div>
 <h3>See Also:</h3>
 <div class="RenoPageList"><a href="boost_exception_all_hpp.html">boost/exception/all.hpp<br/>
-</a><a href="errinfo_errno.html">errinfo_errno<br/>
 </a><a href="synopsis.html">Synopsis<br/>
 </a></div>
 </div>
Modified: trunk/libs/exception/doc/boost_exception_errinfo_file_handle_hpp.html
==============================================================================
--- trunk/libs/exception/doc/boost_exception_errinfo_file_handle_hpp.html	(original)
+++ trunk/libs/exception/doc/boost_exception_errinfo_file_handle_hpp.html	2009-07-10 15:03:29 EDT (Fri, 10 Jul 2009)
@@ -33,7 +33,6 @@
 </div></div><div class="RenoAutoDIV"><div class="RenoHR"><hr/></div>
 <h3>See Also:</h3>
 <div class="RenoPageList"><a href="boost_exception_all_hpp.html">boost/exception/all.hpp<br/>
-</a><a href="errinfo_file_handle.html">errinfo_file_handle<br/>
 </a><a href="synopsis.html">Synopsis<br/>
 </a></div>
 </div>
Modified: trunk/libs/exception/doc/boost_exception_errinfo_file_name_hpp.html
==============================================================================
--- trunk/libs/exception/doc/boost_exception_errinfo_file_name_hpp.html	(original)
+++ trunk/libs/exception/doc/boost_exception_errinfo_file_name_hpp.html	2009-07-10 15:03:29 EDT (Fri, 10 Jul 2009)
@@ -33,7 +33,6 @@
 </div></div><div class="RenoAutoDIV"><div class="RenoHR"><hr/></div>
 <h3>See Also:</h3>
 <div class="RenoPageList"><a href="boost_exception_all_hpp.html">boost/exception/all.hpp<br/>
-</a><a href="errinfo_file_name.html">errinfo_file_name<br/>
 </a><a href="synopsis.html">Synopsis<br/>
 </a></div>
 </div>
Modified: trunk/libs/exception/doc/boost_exception_errinfo_file_open_mode_hpp.html
==============================================================================
--- trunk/libs/exception/doc/boost_exception_errinfo_file_open_mode_hpp.html	(original)
+++ trunk/libs/exception/doc/boost_exception_errinfo_file_open_mode_hpp.html	2009-07-10 15:03:29 EDT (Fri, 10 Jul 2009)
@@ -33,7 +33,6 @@
 </div></div><div class="RenoAutoDIV"><div class="RenoHR"><hr/></div>
 <h3>See Also:</h3>
 <div class="RenoPageList"><a href="boost_exception_all_hpp.html">boost/exception/all.hpp<br/>
-</a><a href="errinfo_file_open_mode.html">errinfo_file_open_mode<br/>
 </a><a href="synopsis.html">Synopsis<br/>
 </a></div>
 </div>
Modified: trunk/libs/exception/doc/boost_exception_errinfo_type_info_name_hpp.html
==============================================================================
--- trunk/libs/exception/doc/boost_exception_errinfo_type_info_name_hpp.html	(original)
+++ trunk/libs/exception/doc/boost_exception_errinfo_type_info_name_hpp.html	2009-07-10 15:03:29 EDT (Fri, 10 Jul 2009)
@@ -33,7 +33,6 @@
 </div></div><div class="RenoAutoDIV"><div class="RenoHR"><hr/></div>
 <h3>See Also:</h3>
 <div class="RenoPageList"><a href="boost_exception_all_hpp.html">boost/exception/all.hpp<br/>
-</a><a href="errinfo_type_info_name.html">errinfo_type_info_name<br/>
 </a><a href="synopsis.html">Synopsis<br/>
 </a></div>
 </div>
Modified: trunk/libs/exception/doc/boost_exception_exception_hpp.html
==============================================================================
--- trunk/libs/exception/doc/boost_exception_exception_hpp.html	(original)
+++ trunk/libs/exception/doc/boost_exception_exception_hpp.html	2009-07-10 15:03:29 EDT (Fri, 10 Jul 2009)
@@ -38,9 +38,9 @@
     <span class="RenoIncludeSPAN">template <class Tag,class T>
     class <span class="RenoLink">error_info</span>;</span>    
     
-    typedef <span class="RenoLink">error_info</span><struct tag_throw_function,char const *> throw_function;
-    typedef <span class="RenoLink">error_info</span><struct tag_throw_file,char const *> throw_file;
-    typedef <span class="RenoLink">error_info</span><struct tag_throw_line,int> throw_line;</span>
+    typedef <span class="RenoLink">error_info</span><struct throw_function_,char const *> throw_function;
+    typedef <span class="RenoLink">error_info</span><struct throw_file_,char const *> throw_file;
+    typedef <span class="RenoLink">error_info</span><struct throw_line_,int> throw_line;</span>
     }</pre>
 </div></div><div class="RenoAutoDIV"><div class="RenoHR"><hr/></div>
 <h3>See Also:</h3>
Modified: trunk/libs/exception/doc/errinfo_api_function.html
==============================================================================
--- trunk/libs/exception/doc/errinfo_api_function.html	(original)
+++ trunk/libs/exception/doc/errinfo_api_function.html	2009-07-10 15:03:29 EDT (Fri, 10 Jul 2009)
@@ -33,6 +33,7 @@
 </div><div class="RenoAutoDIV"><div class="RenoHR"><hr/></div>
 <h3>See Also:</h3>
 <div class="RenoPageList"><a href="boost_exception_errinfo_api_function_hpp.html">boost/exception/errinfo_api_function.hpp<br/>
+</a><a href="frequently_asked_questions.html">Frequently Asked Questions<br/>
 </a></div>
 </div>
 <!-- Copyright (c) 2006-2009 Emil Dotchevski and Reverge Studios, Inc. -->
Modified: trunk/libs/exception/doc/errinfo_errno.html
==============================================================================
--- trunk/libs/exception/doc/errinfo_errno.html	(original)
+++ trunk/libs/exception/doc/errinfo_errno.html	2009-07-10 15:03:29 EDT (Fri, 10 Jul 2009)
@@ -34,6 +34,7 @@
 </div><div class="RenoAutoDIV"><div class="RenoHR"><hr/></div>
 <h3>See Also:</h3>
 <div class="RenoPageList"><a href="boost_exception_errinfo_errno_hpp.html">boost/exception/errinfo_errno.hpp<br/>
+</a><a href="frequently_asked_questions.html">Frequently Asked Questions<br/>
 </a></div>
 </div>
 <!-- Copyright (c) 2006-2009 Emil Dotchevski and Reverge Studios, Inc. -->
Modified: trunk/libs/exception/doc/errinfo_file_name.html
==============================================================================
--- trunk/libs/exception/doc/errinfo_file_name.html	(original)
+++ trunk/libs/exception/doc/errinfo_file_name.html	2009-07-10 15:03:29 EDT (Fri, 10 Jul 2009)
@@ -34,6 +34,7 @@
 </div><div class="RenoAutoDIV"><div class="RenoHR"><hr/></div>
 <h3>See Also:</h3>
 <div class="RenoPageList"><a href="boost_exception_errinfo_file_name_hpp.html">boost/exception/errinfo_file_name.hpp<br/>
+</a><a href="frequently_asked_questions.html">Frequently Asked Questions<br/>
 </a></div>
 </div>
 <!-- Copyright (c) 2006-2009 Emil Dotchevski and Reverge Studios, Inc. -->
Modified: trunk/libs/exception/doc/errinfo_file_open_mode.html
==============================================================================
--- trunk/libs/exception/doc/errinfo_file_open_mode.html	(original)
+++ trunk/libs/exception/doc/errinfo_file_open_mode.html	2009-07-10 15:03:29 EDT (Fri, 10 Jul 2009)
@@ -34,6 +34,7 @@
 </div><div class="RenoAutoDIV"><div class="RenoHR"><hr/></div>
 <h3>See Also:</h3>
 <div class="RenoPageList"><a href="boost_exception_errinfo_file_open_mode_hpp.html">boost/exception/errinfo_file_open_mode.hpp<br/>
+</a><a href="frequently_asked_questions.html">Frequently Asked Questions<br/>
 </a></div>
 </div>
 <!-- Copyright (c) 2006-2009 Emil Dotchevski and Reverge Studios, Inc. -->
Modified: trunk/libs/exception/doc/error_info.html
==============================================================================
--- trunk/libs/exception/doc/error_info.html	(original)
+++ trunk/libs/exception/doc/error_info.html	2009-07-10 15:03:29 EDT (Fri, 10 Jul 2009)
@@ -59,6 +59,15 @@
     if( int const * e=boost::<span class="RenoLink">get_error_info</span><errno_info>(x) )
         ....
     }</pre>
+<p>For convenience and uniformity, Boost Exception defines the following commonly used <span class="RenoLink">error_info</span> typedefs, ready for use with <span class="RenoLink">operator<<</span>:</p>
+<div class="RenoPageList"><a href="errinfo_api_function.html">errinfo_api_function<br/>
+</a><a href="errinfo_at_line.html">errinfo_at_line<br/>
+</a><a href="errinfo_errno.html">errinfo_errno<br/>
+</a><a href="errinfo_file_handle.html">errinfo_file_handle<br/>
+</a><a href="errinfo_file_name.html">errinfo_file_name<br/>
+</a><a href="errinfo_file_open_mode.html">errinfo_file_open_mode<br/>
+</a><a href="errinfo_type_info_name.html">errinfo_type_info_name<br/>
+</a></div>
 </div><div class="RenoAutoDIV"><div class="RenoHR"><hr/></div>
 <h3>See Also:</h3>
 <div class="RenoPageList"><a href="boost-exception.html">Boost Exception<br/>
@@ -66,13 +75,6 @@
 </a><a href="boost_exception_exception_hpp.html">boost/exception/exception.hpp<br/>
 </a><a href="boost_exception_info_hpp.html">boost/exception/info.hpp<br/>
 </a><a href="diagnostic_information.html">diagnostic_information<br/>
-</a><a href="errinfo_api_function.html">errinfo_api_function<br/>
-</a><a href="errinfo_at_line.html">errinfo_at_line<br/>
-</a><a href="errinfo_errno.html">errinfo_errno<br/>
-</a><a href="errinfo_file_handle.html">errinfo_file_handle<br/>
-</a><a href="errinfo_file_name.html">errinfo_file_name<br/>
-</a><a href="errinfo_file_open_mode.html">errinfo_file_open_mode<br/>
-</a><a href="errinfo_type_info_name.html">errinfo_type_info_name<br/>
 </a><a href="error_info_error_info.html">error_info::error_info<br/>
 </a><a href="error_info_value.html">error_info::value<br/>
 </a><a href="error_info_value_type.html">error_info::value_type<br/>
Modified: trunk/libs/exception/doc/frequently_asked_questions.html
==============================================================================
--- trunk/libs/exception/doc/frequently_asked_questions.html	(original)
+++ trunk/libs/exception/doc/frequently_asked_questions.html	2009-07-10 15:03:29 EDT (Fri, 10 Jul 2009)
@@ -53,13 +53,13 @@
     std::cerr << "OMG!!!";
     }</pre>
 <p>This is a possible message it may display, the first line is only possible if <span class="RenoLink">BOOST_THROW_EXCEPTION</span> is used:</p>
-<pre>example_io.cpp(83): Throw in function void parse_file(const char *)
-Dynamic exception type: class file_open_error
+<pre>example_io.cpp(70): Throw in function class boost::shared_ptr<struct _iobuf> __cdecl my_fopen(const char *,const char *)
+Dynamic exception type: class boost::exception_detail::clone_impl<class fopen_error>
 std::exception::what: example_io error
-[struct tag_errno_code *] = 2, OS says "No such file or directory"
-[struct tag_file_name *] = tmp1.xml
-[struct tag_function *] = fopen
-[struct tag_open_mode *] = rb</pre>
+[struct boost::<span class="RenoLink">errinfo_api_function</span>_ *] = fopen
+[struct boost::<span class="RenoLink">errinfo_errno</span>_ *] = 2, "No such file or directory"
+[struct boost::<span class="RenoLink">errinfo_file_name</span>_ *] = tmp1.txt
+[struct boost::<span class="RenoLink">errinfo_file_open_mode</span>_ *] = rb</pre>
 <h3>Why is boost::exception integrated in boost::throw_exception?</h3>
 <p>The boost::<span class="RenoLink">throw_exception</span> function predates the Boost Exception library and there has been some concern about its current behavior of injecting boost::<span class="RenoLink">exception</span> as a base of any exception passed to boost::<span class="RenoLink">throw_exception</span>. Such concerns are dictated by the typical strict interpretation of a common principle in C and C++, that users only pay for features they actually use.</p>
 <p>The problem is that users of Boost Exception can't by themselves cause a library to throw types that derive from boost::<span class="RenoLink">exception</span>, and without this they can't use any of the Boost Exception facilities.</p>
Modified: trunk/libs/exception/doc/source/boost-exception.reno
==============================================================================
--- trunk/libs/exception/doc/source/boost-exception.reno	(original)
+++ trunk/libs/exception/doc/source/boost-exception.reno	2009-07-10 15:03:29 EDT (Fri, 10 Jul 2009)
@@ -54,28 +54,28 @@
                                                                                                                                         <stream_hook_path>
                                                                                                                                                 <container>
                                                                                                                                                         <size>2</size>
-																			<strong>AEDDD2FA4F47CEBD99444F1054D85AB8132748CF38D6634503D62E9C8AD5FE68</strong>
-																			<weak>1378637100</weak>
-																			<size>292</size>
-																			<position>368</position>
-																			<strong>892C0239798B84BA2E80DAA70BBEB7BE0B6086A1D0829D0E1937EC1D19E3FF20</strong>
-																			<weak>3349881047</weak>
-																			<size>89</size>
-																			<position>197</position>
+																			<strong>126BB1D8971585CBE7D78EF3C12259D72FD5E973A84626AA9FC3234220A11CAB</strong>
+																			<weak>3471702891</weak>
+																			<size>969</size>
+																			<position>344</position>
+																			<strong>A7FD310E1340E103081DA2A7899DA0E213C696C84D52C17ADA09F6942EE97D47</strong>
+																			<weak>2978648279</weak>
+																			<size>530</size>
+																			<position>433</position>
                                                                                                                                                 </container>
                                                                                                                                         </stream_hook_path>
                                                                                                                                 </hook>
                                                                                                                                 <file>
                                                                                                                                         <path>
                                                                                                                                                 <empty>0</empty>
-																		<string>../../../../boost/exception/errinfo_api_function.hpp</string>
+																		<string>../../../../boost/exception/detail/error_info_impl.hpp</string>
                                                                                                                                                 <type>0</type>
                                                                                                                                                 <base>0</base>
                                                                                                                                         </path>
                                                                                                                                 </file>
                                                                                                                         </hook>
                                                                                                                         <title>
-																<string>errinfo_api_function</string>
+																<string>error_info</string>
                                                                                                                         </title>
                                                                                                                         <file_name>
                                                                                                                                 <string></string>
@@ -102,28 +102,36 @@
                                                                                                                                 <hook>
                                                                                                                                         <stream_hook_path>
                                                                                                                                                 <container>
-																			<size>1</size>
-																			<strong>C95CEF2E9D0BAA1E950509471062916DB849A46A19F7692BA478030E79B338EB</strong>
-																			<weak>1917376632</weak>
-																			<size>706</size>
-																			<position>408</position>
+																			<size>3</size>
+																			<strong>DA1CAA5F6BAB712AD89E8A0B7D83961FCE4AF9FD198791C9F6EA299800A64FAC</strong>
+																			<weak>3553871704</weak>
+																			<size>612</size>
+																			<position>1496</position>
+																			<strong>154AC930BD1FDCADE24CDB07DBD3163CA26378AF4F1D428C34B67D1F68A60891</strong>
+																			<weak>50905072</weak>
+																			<size>586</size>
+																			<position>23</position>
+																			<strong>CD1241D84950468704F3C3F04116B8DA5162A8BEA4364F10951232F49113C5DE</strong>
+																			<weak>1658463867</weak>
+																			<size>121</size>
+																			<position>453</position>
                                                                                                                                                 </container>
                                                                                                                                         </stream_hook_path>
                                                                                                                                 </hook>
                                                                                                                                 <file>
                                                                                                                                         <path>
                                                                                                                                                 <empty>0</empty>
-																		<string>../../example/enable_error_info.cpp</string>
+																		<string>../../../../boost/throw_exception.hpp</string>
                                                                                                                                                 <type>0</type>
                                                                                                                                                 <base>0</base>
                                                                                                                                         </path>
                                                                                                                                 </file>
                                                                                                                         </hook>
                                                                                                                         <title>
-																<string>integrating boost exception in existing exception class hierarchies</string>
+																<string>configuration macros</string>
                                                                                                                         </title>
                                                                                                                         <file_name>
-																<string>tutorial_enable_error_info</string>
+																<string></string>
                                                                                                                         </file_name>
                                                                                                                 </object>
                                                                                                         </shared_ptr>
@@ -148,24 +156,24 @@
                                                                                                                                         <stream_hook_path>
                                                                                                                                                 <container>
                                                                                                                                                         <size>1</size>
-																			<strong>04DDC793002AFCF4F4166D250C67D09B6FE8B86224318ED7847AD6EC423B70CA</strong>
-																			<weak>922651615</weak>
-																			<size>433</size>
-																			<position>1061</position>
+																			<strong>66EFC83C830F0B00D0C9399B475099072E2674B3C694F9152645A33E3D7AC303</strong>
+																			<weak>561674611</weak>
+																			<size>417</size>
+																			<position>323</position>
                                                                                                                                                 </container>
                                                                                                                                         </stream_hook_path>
                                                                                                                                 </hook>
                                                                                                                                 <file>
                                                                                                                                         <path>
                                                                                                                                                 <empty>0</empty>
-																		<string>../../../../boost/throw_exception.hpp</string>
+																		<string>../../../../boost/exception/errinfo_file_name.hpp</string>
                                                                                                                                                 <type>0</type>
                                                                                                                                                 <base>0</base>
                                                                                                                                         </path>
                                                                                                                                 </file>
                                                                                                                         </hook>
                                                                                                                         <title>
-																<string>BOOST_THROW_EXCEPTION</string>
+																<string>boost/exception/errinfo_file_name.hpp</string>
                                                                                                                         </title>
                                                                                                                         <file_name>
                                                                                                                                 <string></string>
@@ -192,33 +200,25 @@
                                                                                                                                 <hook>
                                                                                                                                         <stream_hook_path>
                                                                                                                                                 <container>
-																			<size>3</size>
-																			<strong>126BB1D8971585CBE7D78EF3C12259D72FD5E973A84626AA9FC3234220A11CAB</strong>
-																			<weak>3471702891</weak>
-																			<size>969</size>
-																			<position>344</position>
-																			<strong>A7FD310E1340E103081DA2A7899DA0E213C696C84D52C17ADA09F6942EE97D47</strong>
-																			<weak>2978648279</weak>
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-																			<position>433</position>
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                                                                                                                                 <file>
                                                                                                                                         <path>
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-																		<string>../../../../boost/exception/detail/error_info_impl.hpp</string>
+																		<string>../../../../boost/exception/info.hpp</string>
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                                                                                                                         <title>
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+																<string>boost/exception/info.hpp</string>
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                                                                                                                                 <string></string>
@@ -229,7 +229,7 @@
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@@ -245,29 +245,25 @@
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                                                                                                                                                 <empty>0</empty>
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                                                                                                                         <title>
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                                                                                                                         </title>
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                                                                                                                                 <string></string>
@@ -294,34 +290,29 @@
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                                                                                                                                 </file>
                                                                                                                         </hook>
                                                                                                                         <title>
-																<string>adding of arbitrary data at the point of the throw</string>
+																<string>transporting of arbitrary data to the catch site</string>
                                                                                                                         </title>
                                                                                                                         <file_name>
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                                                                                                                 </object>
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                                                                                                 </weak_ptr>
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@@ -387,27 +374,27 @@
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                                                                                                                         <title>
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                                                                                                                         </title>
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@@ -431,32 +418,21 @@
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                                                                                                                         </hook>
                                                                                                                         <title>
-																<string>current_exception_cast</string>
+																<string>Synopsis</string>
                                                                                                                         </title>
                                                                                                                         <file_name>
-																<string></string>
+																<string>synopsis</string>
                                                                                                                         </file_name>
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@@ -481,33 +457,35 @@
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                                                                                                                         <title>
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+																<string>boost/exception/errinfo_at_line.hpp</string>
                                                                                                                         </title>
                                                                                                                         <file_name>
-																<string>cloning_and_rethrowing</string>
+																<string></string>
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                                                                                                                 </object>
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                                                                                                                                 <file>
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                                                                                                                         <title>
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+																<string>boost/exception.hpp</string>
                                                                                                                         </title>
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@@ -568,29 +546,25 @@
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                                                                                                                                 <file>
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                                                                                                                                                 <empty>0</empty>
-																		<string>../../../../boost/exception/error_info.hpp</string>
+																		<string>../../example/example_io.cpp</string>
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                                                                                                                                 </file>
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                                                                                                                         <title>
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+																<string>diagnostic_information example</string>
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                                                                                                                         <file_name>
                                                                                                                                 <string></string>
@@ -599,9 +573,7 @@
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                                                                                                                         <title>
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@@ -670,29 +638,18 @@
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                                                                                                                         <title>
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@@ -719,21 +676,28 @@
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                                                                                                                         <title>
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                                                                                                                         </title>
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@@ -817,10 +781,10 @@
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@@ -845,28 +809,28 @@
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-																		<string>../../../../boost/exception/errinfo_type_info_name.hpp</string>
+																		<string>../../../../boost/exception_ptr.hpp</string>
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                                                                                                                                                 <base>0</base>
                                                                                                                                         </path>
                                                                                                                                 </file>
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                                                                                                                         <title>
-																<string>errinfo_type_info_name</string>
+																<string>current_exception</string>
                                                                                                                         </title>
                                                                                                                         <file_name>
                                                                                                                                 <string></string>
@@ -894,28 +858,28 @@
                                                                                                                                         <stream_hook_path>
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                                                                                                                                         </stream_hook_path>
                                                                                                                                 </hook>
                                                                                                                                 <file>
                                                                                                                                         <path>
                                                                                                                                                 <empty>0</empty>
-																		<string>../../../../boost/exception/errinfo_file_open_mode.hpp</string>
+																		<string>../../../../boost/exception/get_error_info.hpp</string>
                                                                                                                                                 <type>0</type>
                                                                                                                                                 <base>0</base>
                                                                                                                                         </path>
                                                                                                                                 </file>
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                                                                                                                         <title>
-																<string>errinfo_file_open_mode</string>
+																<string>get_error_info</string>
                                                                                                                         </title>
                                                                                                                         <file_name>
                                                                                                                                 <string></string>
@@ -942,29 +906,25 @@
                                                                                                                                 <hook>
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                                                                                                                                                 </container>
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                                                                                                                                 <file>
                                                                                                                                         <path>
                                                                                                                                                 <empty>0</empty>
-																		<string>../../../../boost/exception/errinfo_file_handle.hpp</string>
+																		<string>../../../../boost/exception/diagnostic_information.hpp</string>
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                                                                                                                                                 <base>0</base>
                                                                                                                                         </path>
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                                                                                                                         <title>
-																<string>errinfo_file_handle</string>
+																<string>boost/exception/diagnostic_information.hpp</string>
                                                                                                                         </title>
                                                                                                                         <file_name>
                                                                                                                                 <string></string>
@@ -992,28 +952,28 @@
                                                                                                                                         <stream_hook_path>
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                                                                                                                                 <file>
                                                                                                                                         <path>
                                                                                                                                                 <empty>0</empty>
-																		<string>../../../../boost/exception/errinfo_errno.hpp</string>
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                                                                                                                                                 <base>0</base>
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                                                                                                                         <title>
-																<string>errinfo_errno</string>
+																<string>errinfo_file_name</string>
                                                                                                                         </title>
                                                                                                                         <file_name>
                                                                                                                                 <string></string>
@@ -1040,29 +1000,18 @@
                                                                                                                                 <hook>
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                                                                                                                                                 <container>
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                                                                                                                                 <file>
                                                                                                                                         <path>
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                                                                                                                                         </path>
                                                                                                                                 </file>
                                                                                                                         </hook>
                                                                                                                         <title>
-																<string>exception/operator<<</string>
+																<string>exception types as simple semantic tags</string>
                                                                                                                         </title>
                                                                                                                         <file_name>
                                                                                                                                 <string></string>
@@ -1089,29 +1038,25 @@
                                                                                                                                 <hook>
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                                                                                                                                 <file>
                                                                                                                                         <path>
                                                                                                                                                 <empty>0</empty>
-																		<string>../../../../boost/exception/get_error_info.hpp</string>
+																		<string>../../../../boost/exception_ptr.hpp</string>
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                                                                                                                                                 <base>0</base>
                                                                                                                                         </path>
                                                                                                                                 </file>
                                                                                                                         </hook>
                                                                                                                         <title>
-																<string>get_error_info</string>
+																<string>boost/exception_ptr.hpp</string>
                                                                                                                         </title>
                                                                                                                         <file_name>
                                                                                                                                 <string></string>
@@ -1138,18 +1083,25 @@
                                                                                                                                 <hook>
                                                                                                                                         <stream_hook_path>
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                                                                                                                                 <file>
                                                                                                                                         <path>
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+																		<string>../../../../boost/throw_exception.hpp</string>
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                                                                                                                                         </path>
                                                                                                                                 </file>
                                                                                                                         </hook>
                                                                                                                         <title>
-																<string>frequently asked questions</string>
+																<string>BOOST_THROW_EXCEPTION</string>
                                                                                                                         </title>
                                                                                                                         <file_name>
                                                                                                                                 <string></string>
@@ -1177,28 +1129,28 @@
                                                                                                                                         <stream_hook_path>
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                                                                                                                                 <file>
                                                                                                                                         <path>
                                                                                                                                                 <empty>0</empty>
-																		<string>../../../../boost/exception/exception.hpp</string>
+																		<string>../../../../boost/exception/info.hpp</string>
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                                                                                                                                                 <base>0</base>
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                                                                                                                         <title>
-																<string>exception</string>
+																<string>error_info::error_info</string>
                                                                                                                         </title>
                                                                                                                         <file_name>
                                                                                                                                 <string></string>
@@ -1209,7 +1161,7 @@
                                                                                                 <container>
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                                                                                                         <variant>2</variant>
-													<string>(:include include:)
----
!!!See Also:

(:pagelist link="backlink" except_tags="exception,member" mod="w":)
</string>
+													<string>(:include include:)
(:auto also:)
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@@ -1225,18 +1177,29 @@
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                                                                                                                                 <file>
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                                                                                                                         <title>
-																<string>boost/exception/enable_current_exception.hpp</string>
+																<string>exception</string>
                                                                                                                         </title>
                                                                                                                         <file_name>
                                                                                                                                 <string></string>
@@ -1247,7 +1210,7 @@
                                                                                                 <container>
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                                                                                                         <variant>2</variant>
-													<string>(:include include:)
(:auto also:)
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+													<string>(:include include:)
----
!!!See Also:

(:pagelist link="backlink" except_tags="exception,member" mod="w":)
</string>
                                                                                                 </container>
                                                                                         </pair>
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@@ -1263,28 +1226,21 @@
                                                                                                                                 <hook>
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                                                                                                                                 </file>
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                                                                                                                         <title>
-																<string>boost/exception/info.hpp</string>
+																<string>Headers</string>
                                                                                                                         </title>
                                                                                                                         <file_name>
-																<string></string>
+																<string>headers</string>
                                                                                                                         </file_name>
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@@ -1292,7 +1248,7 @@
                                                                                                 <container>
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(:auto also:)
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+													<string>(:include include:)
(:auto also:)
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@@ -1309,28 +1265,28 @@
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                                                                                                                                 <file>
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-																		<string>../../../../boost/exception/errinfo_at_line.hpp</string>
+																		<string>../../../../boost/exception/errinfo_errno.hpp</string>
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                                                                                                                         <title>
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+																<string>errinfo_errno</string>
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                                                                                                                         <file_name>
                                                                                                                                 <string></string>
@@ -1357,40 +1313,34 @@
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                                                                                                                         <title>
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                                                                                                                         </title>
                                                                                                                         <file_name>
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(:auto also:)
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@@ -1406,32 +1356,21 @@
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                                                                                                                         <title>
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+																<string>Types</string>
                                                                                                                         </title>
                                                                                                                         <file_name>
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+																<string>types</string>
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@@ -1455,34 +1394,40 @@
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                                                                                                                                 <file>
                                                                                                                                         <path>
                                                                                                                                                 <empty>0</empty>
-																		<string>../../example/cloning_1.cpp</string>
+																		<string>../../../../boost/throw_exception.hpp</string>
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                                                                                                                                 </file>
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                                                                                                                         <title>
-																<string>using enable_current_exception at the time of the throw</string>
+																<string>throw_exception</string>
                                                                                                                         </title>
                                                                                                                         <file_name>
-																<string>using_enable_cloning</string>
+																<string></string>
                                                                                                                         </file_name>
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@@ -1498,25 +1443,29 @@
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                                                                                                                                 <file>
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                                                                                                                                                 <empty>0</empty>
-																		<string>../../../../boost/exception.hpp</string>
+																		<string>../../../../boost/exception_ptr.hpp</string>
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                                                                                                                         <title>
-																<string>boost/exception.hpp</string>
+																<string>rethrow_exception</string>
                                                                                                                         </title>
                                                                                                                         <file_name>
                                                                                                                                 <string></string>
@@ -1543,21 +1492,32 @@
                                                                                                                                 <hook>
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                                                                                                                                 <file>
                                                                                                                                         <path>
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+																		<string>../../../../boost/exception_ptr.hpp</string>
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                                                                                                                                         </path>
                                                                                                                                 </file>
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                                                                                                                         <title>
-																<string>page index</string>
+																<string>copy_exception</string>
                                                                                                                         </title>
                                                                                                                         <file_name>
-																<string>page_idx</string>
+																<string></string>
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@@ -1582,28 +1542,28 @@
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                                                                                                                                 <file>
                                                                                                                                         <path>
                                                                                                                                                 <empty>0</empty>
-																		<string>../../../../boost/exception/errinfo_file_name.hpp</string>
+																		<string>../../../../boost/exception/exception.hpp</string>
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                                                                                                                                         </path>
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                                                                                                                         <title>
-																<string>errinfo_file_name</string>
+																<string>enable_error_info</string>
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                                                                                                                                 <string></string>
@@ -1631,27 +1591,27 @@
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                                                                                                                                         <path>
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-																		<string>../../../../boost/exception/info_tuple.hpp</string>
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                                                                                                                                                 <base>0</base>
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                                                                                                                         <title>
-																<string>boost/exception/info_tuple.hpp</string>
+																<string>integrating boost exception in existing exception class hierarchies</string>
                                                                                                                         </title>
                                                                                                                         <file_name>
-																<string></string>
+																<string>tutorial_enable_error_info</string>
                                                                                                                         </file_name>
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@@ -1675,29 +1635,25 @@
                                                                                                                                 <hook>
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-																		<string>../../../../boost/exception/diagnostic_information.hpp</string>
+																		<string>../../../../boost/exception/all.hpp</string>
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                                                                                                                                                 <base>0</base>
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                                                                                                                         <title>
-																<string>diagnostic_information</string>
+																<string>boost/exception/all.hpp</string>
                                                                                                                         </title>
                                                                                                                         <file_name>
                                                                                                                                 <string></string>
@@ -1724,18 +1680,25 @@
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                                                                                                                                 <file>
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                                                                                                                                         </path>
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                                                                                                                         <title>
-																<string>using virtual inheritance in exception types</string>
+																<string>boost/exception/errinfo_file_open_mode.hpp</string>
                                                                                                                         </title>
                                                                                                                         <file_name>
                                                                                                                                 <string></string>
@@ -1762,29 +1725,18 @@
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                                                                                                                         <title>
-																<string>current_exception_diagnostic_information</string>
+																<string>boost/exception/enable_error_info.hpp</string>
                                                                                                                         </title>
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                                                                                                                                 <string></string>
@@ -1812,31 +1764,31 @@
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-																		<string>../../../../boost/exception/detail/error_info_impl.hpp</string>
+																		<string>../../../../boost/exception/exception.hpp</string>
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                                                                                                                         <title>
-																<string>error_info</string>
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                                                                                                                         </title>
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+																<string>exception_destructor</string>
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@@ -1860,28 +1812,21 @@
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                                                                                                                         <title>
-																<string>boost/exception/errinfo_file_name.hpp</string>
+																<string>Macros</string>
                                                                                                                         </title>
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+																<string>macros</string>
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@@ -1905,25 +1850,29 @@
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                                                                                                                         <title>
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                                                                                                                         <file_name>
                                                                                                                                 <string></string>
@@ -1961,10 +1910,10 @@
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                                                                                                                         <title>
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@@ -1988,25 +1937,29 @@
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                                                                                                                         <title>
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@@ -2033,36 +1986,56 @@
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                                                                                                                         <title>
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@@ -2078,25 +2051,29 @@
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                                                                                                                                 <file>
                                                                                                                                         <path>
                                                                                                                                                 <empty>0</empty>
-																		<string>../../../../boost/exception/errinfo_errno.hpp</string>
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                                                                                                                                                 <base>0</base>
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                                                                                                                         <title>
-																<string>boost/exception/errinfo_errno.hpp</string>
+																<string>enable_current_exception</string>
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                                                                                                                         <file_name>
                                                                                                                                 <string></string>
@@ -2123,36 +2100,32 @@
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                                                                                                                                 <file>
                                                                                                                                         <path>
                                                                                                                                                 <empty>0</empty>
-																		<string>../../../../boost/exception/exception.hpp</string>
+																		<string>../../../../boost/exception/info.hpp</string>
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                                                                                                                                                 <base>0</base>
                                                                                                                                         </path>
                                                                                                                                 </file>
                                                                                                                         </hook>
                                                                                                                         <title>
-																<string>exception::exception</string>
+																<string>exception/operator<<</string>
                                                                                                                         </title>
                                                                                                                         <file_name>
-																<string>exception_constructors</string>
+																<string></string>
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@@ -2176,40 +2149,34 @@
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                                                                                                                                 <file>
                                                                                                                                         <path>
                                                                                                                                                 <empty>0</empty>
-																		<string>../../../../boost/exception/info.hpp</string>
+																		<string>../../example/error_info_2.cpp</string>
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                                                                                                                                                 <base>0</base>
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                                                                                                                         <title>
-																<string>error_info::error_info</string>
+																<string>adding of arbitrary data to active exception objects</string>
                                                                                                                         </title>
                                                                                                                         <file_name>
-																<string></string>
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(:auto also:)
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@@ -2225,25 +2192,29 @@
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                                                                                                                                 <file>
                                                                                                                                         <path>
                                                                                                                                                 <empty>0</empty>
-																		<string>../../../../boost/exception/errinfo_api_function.hpp</string>
+																		<string>../../../../boost/exception/errinfo_type_info_name.hpp</string>
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                                                                                                                                                 <base>0</base>
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                                                                                                                         <title>
-																<string>boost/exception/errinfo_api_function.hpp</string>
+																<string>errinfo_type_info_name</string>
                                                                                                                         </title>
                                                                                                                         <file_name>
                                                                                                                                 <string></string>
@@ -2270,21 +2241,28 @@
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                                                                                                                                         <path>
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                                                                                                                                 </file>
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                                                                                                                         <title>
-																<string>transporting of arbitrary data to the catch site</string>
+																<string>boost/exception/errinfo_file_handle.hpp</string>
                                                                                                                         </title>
                                                                                                                         <file_name>
-																<string>tutorial_transporting_data</string>
+																<string></string>
                                                                                                                         </file_name>
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@@ -2308,28 +2286,21 @@
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-																		<string>../../../../boost/exception/errinfo_at_line.hpp</string>
-																		<type>0</type>
-																		<base>0</base>
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                                                                                                                                         </path>
                                                                                                                                 </file>
                                                                                                                         </hook>
                                                                                                                         <title>
-																<string>boost/exception/errinfo_at_line.hpp</string>
+																<string>boost exception</string>
                                                                                                                         </title>
                                                                                                                         <file_name>
-																<string></string>
+																<string>boost-exception</string>
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@@ -2337,7 +2308,7 @@
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                                                                                                         <size>1</size>
                                                                                                         <variant>2</variant>
-													<string>(:include include:)
(:auto also:)
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+													<string>(:include include:)
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@@ -2353,21 +2324,36 @@
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                                                                                                                                 <file>
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                                                                                                                                         </path>
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                                                                                                                         </hook>
                                                                                                                         <title>
-																<string>boost exception</string>
+																<string>error_info::value_type</string>
                                                                                                                         </title>
                                                                                                                         <file_name>
-																<string>boost-exception</string>
+																<string></string>
                                                                                                                         </file_name>
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@@ -2375,7 +2361,7 @@
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+													<string>(:include include:)
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@@ -2391,34 +2377,29 @@
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-																		<string>../../example/error_info_2.cpp</string>
-																		<type>0</type>
-																		<base>0</base>
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                                                                                                                                 </file>
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                                                                                                                         <title>
-																<string>adding of arbitrary data to active exception objects</string>
+																<string>boost/exception/enable_current_exception.hpp</string>
                                                                                                                         </title>
                                                                                                                         <file_name>
-																<string>adding_data_later</string>
+																<string></string>
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@@ -2434,21 +2415,28 @@
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                                                                                                                                 <file>
                                                                                                                                         <path>
-																		<empty>1</empty>
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+																		<string>../../../../boost/exception/current_exception_cast.hpp</string>
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                                                                                                                                         </path>
                                                                                                                                 </file>
                                                                                                                         </hook>
                                                                                                                         <title>
-																<string>Headers</string>
+																<string>boost/exception/current_exception_cast.hpp</string>
                                                                                                                         </title>
                                                                                                                         <file_name>
-																<string>headers</string>
+																<string></string>
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@@ -2472,18 +2460,25 @@
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                                                                                                                                 <file>
                                                                                                                                         <path>
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                                                                                                                                         </path>
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                                                                                                                         </hook>
                                                                                                                         <title>
-																<string>exception types as simple semantic tags</string>
+																<string>boost/exception/errinfo_api_function.hpp</string>
                                                                                                                         </title>
                                                                                                                         <file_name>
                                                                                                                                 <string></string>
@@ -2510,25 +2505,29 @@
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                                                                                                                                 <file>
                                                                                                                                         <path>
                                                                                                                                                 <empty>0</empty>
-																		<string>../../example/example_io.cpp</string>
+																		<string>../../../../boost/exception/errinfo_file_handle.hpp</string>
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                                                                                                                                                 <base>0</base>
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                                                                                                                                 </file>
                                                                                                                         </hook>
                                                                                                                         <title>
-																<string>diagnostic_information example</string>
+																<string>errinfo_file_handle</string>
                                                                                                                         </title>
                                                                                                                         <file_name>
                                                                                                                                 <string></string>
@@ -2537,7 +2536,9 @@
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@@ -2553,34 +2554,44 @@
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                                                                                                                                 <file>
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                                                                                                                                                 <empty>0</empty>
-																		<string>../../example/info_tuple.cpp</string>
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                                                                                                                         <title>
-																<string>adding grouped data to exceptions</string>
+																<string>error_info::value</string>
                                                                                                                         </title>
                                                                                                                         <file_name>
-																<string>grouping_data</string>
+																<string></string>
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</string>
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@@ -2597,35 +2608,33 @@
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                                                                                                                                 <file>
                                                                                                                                         <path>
                                                                                                                                                 <empty>0</empty>
-																		<string>../../../../boost/exception/errinfo_type_info_name.hpp</string>
+																		<string>../../example/cloning_2.cpp</string>
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                                                                                                                                                 <base>0</base>
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                                                                                                                                 </file>
                                                                                                                         </hook>
                                                                                                                         <title>
-																<string>boost/exception/errinfo_type_info_name.hpp</string>
+																<string>cloning and re-throwing an exception</string>
                                                                                                                         </title>
                                                                                                                         <file_name>
-																<string></string>
+																<string>cloning_and_rethrowing</string>
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@@ -2642,27 +2651,27 @@
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                                                                                                                                                 <empty>0</empty>
-																		<string>../../example/logging.cpp</string>
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                                                                                                                         <title>
-																<string>diagnostic information</string>
+																<string>boost/exception/get_error_info.hpp</string>
                                                                                                                         </title>
                                                                                                                         <file_name>
-																<string>tutorial_diagnostic_information</string>
+																<string></string>
                                                                                                                         </file_name>
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@@ -2686,32 +2695,21 @@
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                                                                                                                         <title>
-																<string>tuple/operator<<</string>
+																<string>transporting of exceptions between threads</string>
                                                                                                                         </title>
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@@ -2735,56 +2733,44 @@
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                                                                                                                         </hook>
                                                                                                                         <title>
-																<string>Motivation</string>
+																<string>exception::exception</string>
                                                                                                                         </title>
                                                                                                                         <file_name>
-																<string>motivation</string>
+																<string>exception_constructors</string>
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@@ -2801,28 +2787,28 @@
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-																		<string>../../../../boost/throw_exception.hpp</string>
+																		<string>../../../../boost/exception_ptr.hpp</string>
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                                                                                                                         <title>
-																<string>throw_exception</string>
+																<string>unknown_exception</string>
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                                                                                                                                 <string></string>
@@ -2850,28 +2836,28 @@
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                                                                                                                                                 <empty>0</empty>
-																		<string>../../../../boost/exception_ptr.hpp</string>
+																		<string>../../../../boost/exception/diagnostic_information.hpp</string>
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                                                                                                                                                 <base>0</base>
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                                                                                                                         <title>
-																<string>exception_ptr</string>
+																<string>current_exception_diagnostic_information</string>
                                                                                                                         </title>
                                                                                                                         <file_name>
                                                                                                                                 <string></string>
@@ -2899,35 +2885,33 @@
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                                                                                                                                         <path>
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-																		<string>../../../../boost/exception/errinfo_file_open_mode.hpp</string>
+																		<string>../../example/cloning_1.cpp</string>
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                                                                                                                                                 <base>0</base>
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                                                                                                                         <title>
-																<string>boost/exception/errinfo_file_open_mode.hpp</string>
+																<string>using enable_current_exception at the time of the throw</string>
                                                                                                                         </title>
                                                                                                                         <file_name>
-																<string></string>
+																<string>using_enable_cloning</string>
                                                                                                                         </file_name>
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@@ -2943,21 +2927,32 @@
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                                                                                                                                         </path>
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                                                                                                                         </hook>
                                                                                                                         <title>
-																<string>Macros</string>
+																<string>tuple/operator<<</string>
                                                                                                                         </title>
                                                                                                                         <file_name>
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+																<string></string>
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@@ -2981,25 +2976,18 @@
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                                                                                                                         <title>
-																<string>boost/throw_exception.hpp</string>
+																<string>using virtual inheritance in exception types</string>
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@@ -3027,35 +3015,33 @@
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                                                                                                                                         <path>
                                                                                                                                                 <empty>0</empty>
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                                                                                                                         <title>
-																<string>boost/exception/all.hpp</string>
+																<string>adding of arbitrary data at the point of the throw</string>
                                                                                                                         </title>
                                                                                                                         <file_name>
-																<string></string>
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@@ -3071,21 +3057,28 @@
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                                                                                                                         <title>
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+																<string>boost/exception/errinfo_errno.hpp</string>
                                                                                                                         </title>
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@@ -3109,29 +3102,25 @@
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-																		<string>../../../../boost/exception_ptr.hpp</string>
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                                                                                                                         <title>
-																<string>copy_exception</string>
+																<string>boost/exception/exception.hpp</string>
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@@ -3158,18 +3147,29 @@
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                                                                                                                                                 </container>
                                                                                                                                         </stream_hook_path>
                                                                                                                                 </hook>
                                                                                                                                 <file>
                                                                                                                                         <path>
-																		<empty>1</empty>
+																		<empty>0</empty>
+																		<string>../../../../boost/exception/error_info.hpp</string>
+																		<type>0</type>
+																		<base>0</base>
                                                                                                                                         </path>
                                                                                                                                 </file>
                                                                                                                         </hook>
                                                                                                                         <title>
-																<string>boost/exception/enable_error_info.hpp</string>
+																<string>boost/exception/error_info.hpp</string>
                                                                                                                         </title>
                                                                                                                         <file_name>
                                                                                                                                 <string></string>
@@ -3197,28 +3197,28 @@
                                                                                                                                         <stream_hook_path>
                                                                                                                                                 <container>
                                                                                                                                                         <size>2</size>
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                                                                                                                                                 </container>
                                                                                                                                         </stream_hook_path>
                                                                                                                                 </hook>
                                                                                                                                 <file>
                                                                                                                                         <path>
                                                                                                                                                 <empty>0</empty>
-																		<string>../../../../boost/exception_ptr.hpp</string>
+																		<string>../../../../boost/exception/diagnostic_information.hpp</string>
                                                                                                                                                 <type>0</type>
                                                                                                                                                 <base>0</base>
                                                                                                                                         </path>
                                                                                                                                 </file>
                                                                                                                         </hook>
                                                                                                                         <title>
-																<string>current_exception</string>
+																<string>diagnostic_information</string>
                                                                                                                         </title>
                                                                                                                         <file_name>
                                                                                                                                 <string></string>
@@ -3245,33 +3245,29 @@
                                                                                                                                 <hook>
                                                                                                                                         <stream_hook_path>
                                                                                                                                                 <container>
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+																			<position>157</position>
                                                                                                                                                 </container>
                                                                                                                                         </stream_hook_path>
                                                                                                                                 </hook>
                                                                                                                                 <file>
                                                                                                                                         <path>
                                                                                                                                                 <empty>0</empty>
-																		<string>../../../../boost/exception/detail/error_info_impl.hpp</string>
+																		<string>../../../../boost/exception/errinfo_at_line.hpp</string>
                                                                                                                                                 <type>0</type>
                                                                                                                                                 <base>0</base>
                                                                                                                                         </path>
                                                                                                                                 </file>
                                                                                                                         </hook>
                                                                                                                         <title>
-																<string>error_info::value_type</string>
+																<string>errinfo_at_line</string>
                                                                                                                         </title>
                                                                                                                         <file_name>
                                                                                                                                 <string></string>
@@ -3298,25 +3294,29 @@
                                                                                                                                 <hook>
                                                                                                                                         <stream_hook_path>
                                                                                                                                                 <container>
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+																			<position>308</position>
                                                                                                                                                 </container>
                                                                                                                                         </stream_hook_path>
                                                                                                                                 </hook>
                                                                                                                                 <file>
                                                                                                                                         <path>
                                                                                                                                                 <empty>0</empty>
-																		<string>../../../../boost/exception/diagnostic_information.hpp</string>
+																		<string>../../../../boost/exception/errinfo_file_open_mode.hpp</string>
                                                                                                                                                 <type>0</type>
                                                                                                                                                 <base>0</base>
                                                                                                                                         </path>
                                                                                                                                 </file>
                                                                                                                         </hook>
                                                                                                                         <title>
-																<string>boost/exception/diagnostic_information.hpp</string>
+																<string>errinfo_file_open_mode</string>
                                                                                                                         </title>
                                                                                                                         <file_name>
                                                                                                                                 <string></string>
@@ -3352,27 +3352,45 @@
                                                                                                         </shared_ptr>
                                                                                                 </weak_ptr>
                                                                                                 <container>
-													<size>5</size>
+													<size>9</size>
                                                                                                         <variant>2</variant>
-													<string>[@typedef </string>
+													<string>[@template <class Tag,class T>
class
(:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-43</id>
+															<id>-5</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string><struct errinfo_api_function_,int> </string>
+													<string>:)
    {
    public:

(:include </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-5</id>
+															<id>-55</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>;@]
</string>
+													<string> decl pre_indent="4":)

(:include </string>
+													<variant>1</variant>
+													<weak_ptr>
+														<expired>0</expired>
+														<shared_ptr>
+															<id>-29</id>
+														</shared_ptr>
+													</weak_ptr>
+													<variant>2</variant>
+													<string> decl pre_indent="4":)
(:include </string>
+													<variant>1</variant>
+													<weak_ptr>
+														<expired>0</expired>
+														<shared_ptr>
+															<id>-60</id>
+														</shared_ptr>
+													</weak_ptr>
+													<variant>2</variant>
+													<string> decl pre_indent="4":)
    };@]
</string>
                                                                                                 </container>
                                                                                         </pair>
                                                                                         <pair>
@@ -3559,27 +3577,7 @@
                                                                                                         </shared_ptr>
                                                                                                 </weak_ptr>
                                                                                                 <container>
-													<size>5</size>
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-														</shared_ptr>
-													</weak_ptr>
-													<variant>2</variant>
-													<string>;@]
</string>
+													<size>0</size>
                                                                                                 </container>
                                                                                         </pair>
                                                                                         <pair>
@@ -3590,27 +3588,7 @@
                                                                                                         </shared_ptr>
                                                                                                 </weak_ptr>
                                                                                                 <container>
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-													<string><struct errinfo_file_open_mode_,std::string> </string>
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-														</shared_ptr>
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-													<variant>2</variant>
-													<string>;@]
</string>
+													<size>0</size>
                                                                                                 </container>
                                                                                         </pair>
                                                                                         <pair>
@@ -3621,27 +3599,7 @@
                                                                                                         </shared_ptr>
                                                                                                 </weak_ptr>
                                                                                                 <container>
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-														</shared_ptr>
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-													<variant>2</variant>
-													<string>;@]
</string>
+													<size>0</size>
                                                                                                 </container>
                                                                                         </pair>
                                                                                         <pair>
@@ -3659,11 +3617,11 @@
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-43</id>
+															<id>-5</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string><struct errinfo_errno_,int> </string>
+													<string><struct errinfo_file_name_,std::string> </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
@@ -3716,6 +3674,17 @@
                                                                                                         </shared_ptr>
                                                                                                 </weak_ptr>
                                                                                                 <container>
+													<size>0</size>
+												</container>
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+												<container>
                                                                                                         <size>7</size>
                                                                                                         <variant>2</variant>
                                                                                                         <string>[@class
(:link </string>
@@ -3723,7 +3692,7 @@
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-29</id>
+															<id>-30</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
@@ -3732,7 +3701,7 @@
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-50</id>
+															<id>-64</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
@@ -3741,7 +3710,7 @@
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-34</id>
+															<id>-43</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
@@ -3752,17 +3721,6 @@
                                                                                                 <weak_ptr>
                                                                                                         <expired>0</expired>
                                                                                                         <shared_ptr>
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                                                                                                                 <id>-31</id>
                                                                                                         </shared_ptr>
                                                                                                 </weak_ptr>
@@ -3785,11 +3743,11 @@
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-43</id>
+															<id>-5</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string><struct errinfo_at_line_,int> </string>
+													<string><struct errinfo_errno_,int> </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
@@ -3864,27 +3822,7 @@
                                                                                                         </shared_ptr>
                                                                                                 </weak_ptr>
                                                                                                 <container>
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-													<variant>2</variant>
-													<string>;@]
</string>
+													<size>0</size>
                                                                                                 </container>
                                                                                         </pair>
                                                                                         <pair>
@@ -3939,45 +3877,7 @@
                                                                                                         </shared_ptr>
                                                                                                 </weak_ptr>
                                                                                                 <container>
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class
(:link </string>
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    {
    public:

(:include </string>
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(:include </string>
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(:include </string>
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-													<variant>2</variant>
-													<string> decl pre_indent="4":)
    };@]
</string>
+													<size>0</size>
                                                                                                 </container>
                                                                                         </pair>
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@@ -4021,7 +3921,27 @@
                                                                                                         </shared_ptr>
                                                                                                 </weak_ptr>
                                                                                                 <container>
-													<size>0</size>
+													<size>5</size>
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+													<string>[@typedef </string>
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</string>
                                                                                                 </container>
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@@ -4076,9 +3996,29 @@
                                                                                                         </shared_ptr>
                                                                                                 </weak_ptr>
                                                                                                 <container>
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-											</pair>
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+													<string>;@]
</string>
+												</container>
+											</pair>
                                                                                         <pair>
                                                                                                 <weak_ptr>
                                                                                                         <expired>0</expired>
@@ -4153,7 +4093,27 @@
                                                                                                         </shared_ptr>
                                                                                                 </weak_ptr>
                                                                                                 <container>
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+													<size>5</size>
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+													<string>[@typedef </string>
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</string>
                                                                                                 </container>
                                                                                         </pair>
                                                                                         <pair>
@@ -4329,7 +4289,27 @@
                                                                                                         </shared_ptr>
                                                                                                 </weak_ptr>
                                                                                                 <container>
-													<size>0</size>
+													<size>5</size>
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+													<string>[@typedef </string>
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+													<variant>2</variant>
+													<string>;@]
</string>
                                                                                                 </container>
                                                                                         </pair>
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@@ -4340,7 +4320,27 @@
                                                                                                         </shared_ptr>
                                                                                                 </weak_ptr>
                                                                                                 <container>
-													<size>0</size>
+													<size>5</size>
+													<variant>2</variant>
+													<string>[@typedef </string>
+													<variant>1</variant>
+													<weak_ptr>
+														<expired>0</expired>
+														<shared_ptr>
+															<id>-5</id>
+														</shared_ptr>
+													</weak_ptr>
+													<variant>2</variant>
+													<string><struct errinfo_file_open_mode_,std::string> </string>
+													<variant>1</variant>
+													<weak_ptr>
+														<expired>0</expired>
+														<shared_ptr>
+															<id>-76</id>
+														</shared_ptr>
+													</weak_ptr>
+													<variant>2</variant>
+													<string>;@]
</string>
                                                                                                 </container>
                                                                                         </pair>
                                                                                 </sorted>
@@ -4387,7 +4387,18 @@
                                                                                                         </shared_ptr>
                                                                                                 </weak_ptr>
                                                                                                 <container>
-													<size>0</size>
+													<size>3</size>
+													<variant>2</variant>
+													<string>[@(:include </string>
+													<variant>1</variant>
+													<weak_ptr>
+														<expired>0</expired>
+														<shared_ptr>
+															<id>-25</id>
+														</shared_ptr>
+													</weak_ptr>
+													<variant>2</variant>
+													<string> def:)@]
</string>
                                                                                                 </container>
                                                                                         </pair>
                                                                                         <pair>
@@ -4398,7 +4409,27 @@
                                                                                                         </shared_ptr>
                                                                                                 </weak_ptr>
                                                                                                 <container>
-													<size>0</size>
+													<size>5</size>
+													<variant>2</variant>
+													<string>[@(:include </string>
+													<variant>1</variant>
+													<weak_ptr>
+														<expired>0</expired>
+														<shared_ptr>
+															<id>-5</id>
+														</shared_ptr>
+													</weak_ptr>
+													<variant>2</variant>
+													<string> def:)

(:include </string>
+													<variant>1</variant>
+													<weak_ptr>
+														<expired>0</expired>
+														<shared_ptr>
+															<id>-50</id>
+														</shared_ptr>
+													</weak_ptr>
+													<variant>2</variant>
+													<string> decl:)@]
</string>
                                                                                                 </container>
                                                                                         </pair>
                                                                                         <pair>
@@ -4409,7 +4440,18 @@
                                                                                                         </shared_ptr>
                                                                                                 </weak_ptr>
                                                                                                 <container>
-													<size>0</size>
+													<size>3</size>
+													<variant>2</variant>
+													<string>[@(:include </string>
+													<variant>1</variant>
+													<weak_ptr>
+														<expired>0</expired>
+														<shared_ptr>
+															<id>-52</id>
+														</shared_ptr>
+													</weak_ptr>
+													<variant>2</variant>
+													<string> def:)@]
</string>
                                                                                                 </container>
                                                                                         </pair>
                                                                                         <pair>
@@ -4431,17 +4473,6 @@
                                                                                                         </shared_ptr>
                                                                                                 </weak_ptr>
                                                                                                 <container>
-													<size>0</size>
-												</container>
-											</pair>
-											<pair>
-												<weak_ptr>
-													<expired>0</expired>
-													<shared_ptr>
-														<id>-12</id>
-													</shared_ptr>
-												</weak_ptr>
-												<container>
                                                                                                         <size>3</size>
                                                                                                         <variant>2</variant>
                                                                                                         <string>[@(:include </string>
@@ -4449,7 +4480,7 @@
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-27</id>
+															<id>-68</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
@@ -4460,7 +4491,7 @@
                                                                                                 <weak_ptr>
                                                                                                         <expired>0</expired>
                                                                                                         <shared_ptr>
-														<id>-13</id>
+														<id>-12</id>
                                                                                                         </shared_ptr>
                                                                                                 </weak_ptr>
                                                                                                 <container>
@@ -4471,7 +4502,7 @@
                                                                                                 <weak_ptr>
                                                                                                         <expired>0</expired>
                                                                                                         <shared_ptr>
-														<id>-14</id>
+														<id>-13</id>
                                                                                                         </shared_ptr>
                                                                                                 </weak_ptr>
                                                                                                 <container>
@@ -4482,7 +4513,7 @@
                                                                                                 <weak_ptr>
                                                                                                         <expired>0</expired>
                                                                                                         <shared_ptr>
-														<id>-15</id>
+														<id>-14</id>
                                                                                                         </shared_ptr>
                                                                                                 </weak_ptr>
                                                                                                 <container>
@@ -4493,7 +4524,7 @@
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-24</id>
+															<id>-75</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
@@ -4504,22 +4535,22 @@
                                                                                                 <weak_ptr>
                                                                                                         <expired>0</expired>
                                                                                                         <shared_ptr>
+														<id>-15</id>
+													</shared_ptr>
+												</weak_ptr>
+												<container>
+													<size>0</size>
+												</container>
+											</pair>
+											<pair>
+												<weak_ptr>
+													<expired>0</expired>
+													<shared_ptr>
                                                                                                                 <id>-16</id>
                                                                                                         </shared_ptr>
                                                                                                 </weak_ptr>
                                                                                                 <container>
-													<size>3</size>
-													<variant>2</variant>
-													<string>[@(:include </string>
-													<variant>1</variant>
-													<weak_ptr>
-														<expired>0</expired>
-														<shared_ptr>
-															<id>-43</id>
-														</shared_ptr>
-													</weak_ptr>
-													<variant>2</variant>
-													<string> decl:)@]
</string>
+													<size>0</size>
                                                                                                 </container>
                                                                                         </pair>
                                                                                         <pair>
@@ -4552,7 +4583,27 @@
                                                                                                         </shared_ptr>
                                                                                                 </weak_ptr>
                                                                                                 <container>
-													<size>0</size>
+													<size>5</size>
+													<variant>2</variant>
+													<string>[@(:include </string>
+													<variant>1</variant>
+													<weak_ptr>
+														<expired>0</expired>
+														<shared_ptr>
+															<id>-28</id>
+														</shared_ptr>
+													</weak_ptr>
+													<variant>2</variant>
+													<string> decl:)

namespace
boost
    {
(:include </string>
+													<variant>1</variant>
+													<weak_ptr>
+														<expired>0</expired>
+														<shared_ptr>
+															<id>-35</id>
+														</shared_ptr>
+													</weak_ptr>
+													<variant>2</variant>
+													<string> decl:)
    }@]
</string>
                                                                                                 </container>
                                                                                         </pair>
                                                                                         <pair>
@@ -4607,7 +4658,27 @@
                                                                                                         </shared_ptr>
                                                                                                 </weak_ptr>
                                                                                                 <container>
-													<size>0</size>
+													<size>5</size>
+													<variant>2</variant>
+													<string>[@(:include </string>
+													<variant>1</variant>
+													<weak_ptr>
+														<expired>0</expired>
+														<shared_ptr>
+															<id>-74</id>
+														</shared_ptr>
+													</weak_ptr>
+													<variant>2</variant>
+													<string> decl:)

(:include </string>
+													<variant>1</variant>
+													<weak_ptr>
+														<expired>0</expired>
+														<shared_ptr>
+															<id>-66</id>
+														</shared_ptr>
+													</weak_ptr>
+													<variant>2</variant>
+													<string> decl:)@]
</string>
                                                                                                 </container>
                                                                                         </pair>
                                                                                         <pair>
@@ -4640,78 +4711,59 @@
                                                                                                         </shared_ptr>
                                                                                                 </weak_ptr>
                                                                                                 <container>
-													<size>0</size>
-												</container>
-											</pair>
-											<pair>
-												<weak_ptr>
-													<expired>0</expired>
-													<shared_ptr>
-														<id>-28</id>
-													</shared_ptr>
-												</weak_ptr>
-												<container>
-													<size>0</size>
-												</container>
-											</pair>
-											<pair>
-												<weak_ptr>
-													<expired>0</expired>
-													<shared_ptr>
-														<id>-29</id>
-													</shared_ptr>
-												</weak_ptr>
-												<container>
-													<size>0</size>
-												</container>
-											</pair>
-											<pair>
-												<weak_ptr>
-													<expired>0</expired>
-													<shared_ptr>
-														<id>-30</id>
-													</shared_ptr>
-												</weak_ptr>
-												<container>
-													<size>3</size>
+													<size>13</size>
                                                                                                         <variant>2</variant>
                                                                                                         <string>[@(:include </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-18</id>
+															<id>-65</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string> decl:)@]
</string>
-												</container>
-											</pair>
-											<pair>
-												<weak_ptr>
-													<expired>0</expired>
-													<shared_ptr>
-														<id>-31</id>
-													</shared_ptr>
-												</weak_ptr>
-												<container>
-													<size>5</size>
+													<string> decl:)

(:include </string>
+													<variant>1</variant>
+													<weak_ptr>
+														<expired>0</expired>
+														<shared_ptr>
+															<id>-20</id>
+														</shared_ptr>
+													</weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>[@(:include </string>
+													<string> decl:)

(:include </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-43</id>
+															<id>-17</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string> def:)

(:include </string>
+													<string> decl:)

(:include </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-26</id>
+															<id>-37</id>
+														</shared_ptr>
+													</weak_ptr>
+													<variant>2</variant>
+													<string> decl:)

(:include </string>
+													<variant>1</variant>
+													<weak_ptr>
+														<expired>0</expired>
+														<shared_ptr>
+															<id>-22</id>
+														</shared_ptr>
+													</weak_ptr>
+													<variant>2</variant>
+													<string> decl:)

(:include </string>
+													<variant>1</variant>
+													<weak_ptr>
+														<expired>0</expired>
+														<shared_ptr>
+															<id>-36</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
@@ -4722,7 +4774,7 @@
                                                                                                 <weak_ptr>
                                                                                                         <expired>0</expired>
                                                                                                         <shared_ptr>
-														<id>-32</id>
+														<id>-28</id>
                                                                                                         </shared_ptr>
                                                                                                 </weak_ptr>
                                                                                                 <container>
@@ -4733,7 +4785,7 @@
                                                                                                 <weak_ptr>
                                                                                                         <expired>0</expired>
                                                                                                         <shared_ptr>
-														<id>-33</id>
+														<id>-29</id>
                                                                                                         </shared_ptr>
                                                                                                 </weak_ptr>
                                                                                                 <container>
@@ -4744,7 +4796,7 @@
                                                                                                 <weak_ptr>
                                                                                                         <expired>0</expired>
                                                                                                         <shared_ptr>
-														<id>-34</id>
+														<id>-30</id>
                                                                                                         </shared_ptr>
                                                                                                 </weak_ptr>
                                                                                                 <container>
@@ -4755,7 +4807,7 @@
                                                                                                 <weak_ptr>
                                                                                                         <expired>0</expired>
                                                                                                         <shared_ptr>
-														<id>-35</id>
+														<id>-31</id>
                                                                                                         </shared_ptr>
                                                                                                 </weak_ptr>
                                                                                                 <container>
@@ -4766,7 +4818,7 @@
                                                                                                 <weak_ptr>
                                                                                                         <expired>0</expired>
                                                                                                         <shared_ptr>
-														<id>-36</id>
+														<id>-32</id>
                                                                                                         </shared_ptr>
                                                                                                 </weak_ptr>
                                                                                                 <container>
@@ -4777,7 +4829,7 @@
                                                                                                 <weak_ptr>
                                                                                                         <expired>0</expired>
                                                                                                         <shared_ptr>
-														<id>-37</id>
+														<id>-33</id>
                                                                                                         </shared_ptr>
                                                                                                 </weak_ptr>
                                                                                                 <container>
@@ -4788,7 +4840,7 @@
                                                                                                 <weak_ptr>
                                                                                                         <expired>0</expired>
                                                                                                         <shared_ptr>
-														<id>-38</id>
+														<id>-34</id>
                                                                                                         </shared_ptr>
                                                                                                 </weak_ptr>
                                                                                                 <container>
@@ -4799,29 +4851,18 @@
                                                                                                 <weak_ptr>
                                                                                                         <expired>0</expired>
                                                                                                         <shared_ptr>
-														<id>-39</id>
+														<id>-35</id>
                                                                                                         </shared_ptr>
                                                                                                 </weak_ptr>
                                                                                                 <container>
-													<size>3</size>
-													<variant>2</variant>
-													<string>[@(:include </string>
-													<variant>1</variant>
-													<weak_ptr>
-														<expired>0</expired>
-														<shared_ptr>
-															<id>-63</id>
-														</shared_ptr>
-													</weak_ptr>
-													<variant>2</variant>
-													<string> decl:)@]
</string>
+													<size>0</size>
                                                                                                 </container>
                                                                                         </pair>
                                                                                         <pair>
                                                                                                 <weak_ptr>
                                                                                                         <expired>0</expired>
                                                                                                         <shared_ptr>
-														<id>-40</id>
+														<id>-36</id>
                                                                                                         </shared_ptr>
                                                                                                 </weak_ptr>
                                                                                                 <container>
@@ -4832,7 +4873,7 @@
                                                                                                 <weak_ptr>
                                                                                                         <expired>0</expired>
                                                                                                         <shared_ptr>
-														<id>-41</id>
+														<id>-37</id>
                                                                                                         </shared_ptr>
                                                                                                 </weak_ptr>
                                                                                                 <container>
@@ -4843,7 +4884,7 @@
                                                                                                 <weak_ptr>
                                                                                                         <expired>0</expired>
                                                                                                         <shared_ptr>
-														<id>-42</id>
+														<id>-38</id>
                                                                                                         </shared_ptr>
                                                                                                 </weak_ptr>
                                                                                                 <container>
@@ -4854,7 +4895,7 @@
                                                                                                 <weak_ptr>
                                                                                                         <expired>0</expired>
                                                                                                         <shared_ptr>
-														<id>-43</id>
+														<id>-39</id>
                                                                                                         </shared_ptr>
                                                                                                 </weak_ptr>
                                                                                                 <container>
@@ -4865,165 +4906,146 @@
                                                                                                 <weak_ptr>
                                                                                                         <expired>0</expired>
                                                                                                         <shared_ptr>
-														<id>-44</id>
+														<id>-40</id>
                                                                                                         </shared_ptr>
                                                                                                 </weak_ptr>
                                                                                                 <container>
-													<size>3</size>
+													<size>29</size>
                                                                                                         <variant>2</variant>
-													<string>[@(:include </string>
+													<string>[@#include <(:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-38</id>
+															<id>-24</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string> def:)@]
</string>
-												</container>
-											</pair>
-											<pair>
-												<weak_ptr>
-													<expired>0</expired>
-													<shared_ptr>
-														<id>-45</id>
-													</shared_ptr>
-												</weak_ptr>
-												<container>
-													<size>11</size>
+													<string>:)>
#include <(:link </string>
+													<variant>1</variant>
+													<weak_ptr>
+														<expired>0</expired>
+														<shared_ptr>
+															<id>-73</id>
+														</shared_ptr>
+													</weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>[@(:include </string>
+													<string>:)>
#include <(:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-29</id>
+															<id>-72</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string> def:)

(:include </string>
+													<string>:)>
#include <(:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-43</id>
+															<id>-62</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string> decl:)

typedef (:link </string>
+													<string>:)>
#include <(:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-43</id>
+															<id>-8</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>:)<struct tag_throw_function,char const *> throw_function;
typedef (:link </string>
+													<string>:)>
#include <(:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-43</id>
+															<id>-11</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>:)<struct tag_throw_file,char const *> throw_file;
typedef (:link </string>
+													<string>:)>
#include <(:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-43</id>
+															<id>-27</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>:)<struct tag_throw_line,int> throw_line;@]
</string>
-												</container>
-											</pair>
-											<pair>
-												<weak_ptr>
-													<expired>0</expired>
-													<shared_ptr>
-														<id>-46</id>
-													</shared_ptr>
-												</weak_ptr>
-												<container>
-													<size>0</size>
-												</container>
-											</pair>
-											<pair>
-												<weak_ptr>
-													<expired>0</expired>
-													<shared_ptr>
-														<id>-47</id>
-													</shared_ptr>
-												</weak_ptr>
-												<container>
-													<size>13</size>
+													<string>:)>
#include <(:link </string>
+													<variant>1</variant>
+													<weak_ptr>
+														<expired>0</expired>
+														<shared_ptr>
+															<id>-58</id>
+														</shared_ptr>
+													</weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>[@(:include </string>
+													<string>:)>
#include <(:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-11</id>
+															<id>-14</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string> decl:)

(:include </string>
+													<string>:)>
#include <(:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-20</id>
+															<id>-71</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string> decl:)

(:include </string>
+													<string>:)>
#include <(:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-66</id>
+															<id>-53</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string> decl:)

(:include </string>
+													<string>:)>
#include <(:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-72</id>
+															<id>-7</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string> decl:)

(:include </string>
+													<string>:)>
#include <(:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-74</id>
+															<id>-41</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string> decl:)

(:include </string>
+													<string>:)>
#include <(:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-33</id>
+															<id>-9</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string> decl:)@]
</string>
+													<string>:)>@]
</string>
                                                                                                 </container>
                                                                                         </pair>
                                                                                         <pair>
                                                                                                 <weak_ptr>
                                                                                                         <expired>0</expired>
                                                                                                         <shared_ptr>
-														<id>-48</id>
+														<id>-41</id>
                                                                                                         </shared_ptr>
                                                                                                 </weak_ptr>
                                                                                                 <container>
@@ -5034,18 +5056,18 @@
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-13</id>
+															<id>-76</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string> decl:)@]
</string>
+													<string> def:)@]
</string>
                                                                                                 </container>
                                                                                         </pair>
                                                                                         <pair>
                                                                                                 <weak_ptr>
                                                                                                         <expired>0</expired>
                                                                                                         <shared_ptr>
-														<id>-49</id>
+														<id>-42</id>
                                                                                                         </shared_ptr>
                                                                                                 </weak_ptr>
                                                                                                 <container>
@@ -5056,18 +5078,18 @@
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-25</id>
+															<id>-38</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string> def:)@]
</string>
+													<string> decl:)@]
</string>
                                                                                                 </container>
                                                                                         </pair>
                                                                                         <pair>
                                                                                                 <weak_ptr>
                                                                                                         <expired>0</expired>
                                                                                                         <shared_ptr>
-														<id>-50</id>
+														<id>-43</id>
                                                                                                         </shared_ptr>
                                                                                                 </weak_ptr>
                                                                                                 <container>
@@ -5078,7 +5100,7 @@
                                                                                                 <weak_ptr>
                                                                                                         <expired>0</expired>
                                                                                                         <shared_ptr>
-														<id>-51</id>
+														<id>-44</id>
                                                                                                         </shared_ptr>
                                                                                                 </weak_ptr>
                                                                                                 <container>
@@ -5089,29 +5111,18 @@
                                                                                                 <weak_ptr>
                                                                                                         <expired>0</expired>
                                                                                                         <shared_ptr>
-														<id>-52</id>
+														<id>-45</id>
                                                                                                         </shared_ptr>
                                                                                                 </weak_ptr>
                                                                                                 <container>
-													<size>3</size>
-													<variant>2</variant>
-													<string>[@(:include </string>
-													<variant>1</variant>
-													<weak_ptr>
-														<expired>0</expired>
-														<shared_ptr>
-															<id>-5</id>
-														</shared_ptr>
-													</weak_ptr>
-													<variant>2</variant>
-													<string> def:)@]
</string>
+													<size>0</size>
                                                                                                 </container>
                                                                                         </pair>
                                                                                         <pair>
                                                                                                 <weak_ptr>
                                                                                                         <expired>0</expired>
                                                                                                         <shared_ptr>
-														<id>-53</id>
+														<id>-46</id>
                                                                                                         </shared_ptr>
                                                                                                 </weak_ptr>
                                                                                                 <container>
@@ -5122,29 +5133,18 @@
                                                                                                 <weak_ptr>
                                                                                                         <expired>0</expired>
                                                                                                         <shared_ptr>
-														<id>-54</id>
+														<id>-47</id>
                                                                                                         </shared_ptr>
                                                                                                 </weak_ptr>
                                                                                                 <container>
-													<size>3</size>
-													<variant>2</variant>
-													<string>[@(:include </string>
-													<variant>1</variant>
-													<weak_ptr>
-														<expired>0</expired>
-														<shared_ptr>
-															<id>-32</id>
-														</shared_ptr>
-													</weak_ptr>
-													<variant>2</variant>
-													<string> def:)@]
</string>
+													<size>0</size>
                                                                                                 </container>
                                                                                         </pair>
                                                                                         <pair>
                                                                                                 <weak_ptr>
                                                                                                         <expired>0</expired>
                                                                                                         <shared_ptr>
-														<id>-55</id>
+														<id>-48</id>
                                                                                                         </shared_ptr>
                                                                                                 </weak_ptr>
                                                                                                 <container>
@@ -5155,7 +5155,7 @@
                                                                                                 <weak_ptr>
                                                                                                         <expired>0</expired>
                                                                                                         <shared_ptr>
-														<id>-56</id>
+														<id>-49</id>
                                                                                                         </shared_ptr>
                                                                                                 </weak_ptr>
                                                                                                 <container>
@@ -5166,7 +5166,7 @@
                                                                                                 <weak_ptr>
                                                                                                         <expired>0</expired>
                                                                                                         <shared_ptr>
-														<id>-57</id>
+														<id>-50</id>
                                                                                                         </shared_ptr>
                                                                                                 </weak_ptr>
                                                                                                 <container>
@@ -5177,7 +5177,7 @@
                                                                                                 <weak_ptr>
                                                                                                         <expired>0</expired>
                                                                                                         <shared_ptr>
-														<id>-58</id>
+														<id>-51</id>
                                                                                                         </shared_ptr>
                                                                                                 </weak_ptr>
                                                                                                 <container>
@@ -5188,7 +5188,7 @@
                                                                                                 <weak_ptr>
                                                                                                         <expired>0</expired>
                                                                                                         <shared_ptr>
-														<id>-59</id>
+														<id>-52</id>
                                                                                                         </shared_ptr>
                                                                                                 </weak_ptr>
                                                                                                 <container>
@@ -5199,18 +5199,51 @@
                                                                                                 <weak_ptr>
                                                                                                         <expired>0</expired>
                                                                                                         <shared_ptr>
-														<id>-60</id>
+														<id>-53</id>
                                                                                                         </shared_ptr>
                                                                                                 </weak_ptr>
                                                                                                 <container>
-													<size>0</size>
-												</container>
-											</pair>
-											<pair>
-												<weak_ptr>
+													<size>3</size>
+													<variant>2</variant>
+													<string>[@(:include </string>
+													<variant>1</variant>
+													<weak_ptr>
+														<expired>0</expired>
+														<shared_ptr>
+															<id>-59</id>
+														</shared_ptr>
+													</weak_ptr>
+													<variant>2</variant>
+													<string> def:)@]
</string>
+												</container>
+											</pair>
+											<pair>
+												<weak_ptr>
                                                                                                         <expired>0</expired>
                                                                                                         <shared_ptr>
-														<id>-61</id>
+														<id>-54</id>
+													</shared_ptr>
+												</weak_ptr>
+												<container>
+													<size>0</size>
+												</container>
+											</pair>
+											<pair>
+												<weak_ptr>
+													<expired>0</expired>
+													<shared_ptr>
+														<id>-55</id>
+													</shared_ptr>
+												</weak_ptr>
+												<container>
+													<size>0</size>
+												</container>
+											</pair>
+											<pair>
+												<weak_ptr>
+													<expired>0</expired>
+													<shared_ptr>
+														<id>-56</id>
                                                                                                         </shared_ptr>
                                                                                                 </weak_ptr>
                                                                                                 <container>
@@ -5221,40 +5254,62 @@
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-22</id>
+															<id>-49</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string> def:)@]
</string>
+													<string> decl:)@]
</string>
                                                                                                 </container>
                                                                                         </pair>
                                                                                         <pair>
                                                                                                 <weak_ptr>
                                                                                                         <expired>0</expired>
                                                                                                         <shared_ptr>
-														<id>-62</id>
+														<id>-57</id>
                                                                                                         </shared_ptr>
                                                                                                 </weak_ptr>
                                                                                                 <container>
-													<size>0</size>
+													<size>3</size>
+													<variant>2</variant>
+													<string>[@(:include </string>
+													<variant>1</variant>
+													<weak_ptr>
+														<expired>0</expired>
+														<shared_ptr>
+															<id>-45</id>
+														</shared_ptr>
+													</weak_ptr>
+													<variant>2</variant>
+													<string> decl:)@]
</string>
                                                                                                 </container>
                                                                                         </pair>
                                                                                         <pair>
                                                                                                 <weak_ptr>
                                                                                                         <expired>0</expired>
                                                                                                         <shared_ptr>
-														<id>-63</id>
+														<id>-58</id>
                                                                                                         </shared_ptr>
                                                                                                 </weak_ptr>
                                                                                                 <container>
-													<size>0</size>
+													<size>3</size>
+													<variant>2</variant>
+													<string>[@(:include </string>
+													<variant>1</variant>
+													<weak_ptr>
+														<expired>0</expired>
+														<shared_ptr>
+															<id>-47</id>
+														</shared_ptr>
+													</weak_ptr>
+													<variant>2</variant>
+													<string> def:)@]
</string>
                                                                                                 </container>
                                                                                         </pair>
                                                                                         <pair>
                                                                                                 <weak_ptr>
                                                                                                         <expired>0</expired>
                                                                                                         <shared_ptr>
-														<id>-64</id>
+														<id>-59</id>
                                                                                                         </shared_ptr>
                                                                                                 </weak_ptr>
                                                                                                 <container>
@@ -5265,7 +5320,7 @@
                                                                                                 <weak_ptr>
                                                                                                         <expired>0</expired>
                                                                                                         <shared_ptr>
-														<id>-65</id>
+														<id>-60</id>
                                                                                                         </shared_ptr>
                                                                                                 </weak_ptr>
                                                                                                 <container>
@@ -5276,7 +5331,7 @@
                                                                                                 <weak_ptr>
                                                                                                         <expired>0</expired>
                                                                                                         <shared_ptr>
-														<id>-66</id>
+														<id>-61</id>
                                                                                                         </shared_ptr>
                                                                                                 </weak_ptr>
                                                                                                 <container>
@@ -5287,7 +5342,7 @@
                                                                                                 <weak_ptr>
                                                                                                         <expired>0</expired>
                                                                                                         <shared_ptr>
-														<id>-67</id>
+														<id>-62</id>
                                                                                                         </shared_ptr>
                                                                                                 </weak_ptr>
                                                                                                 <container>
@@ -5302,7 +5357,62 @@
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string> def:)@]
</string>
+													<string> decl:)@]
</string>
+												</container>
+											</pair>
+											<pair>
+												<weak_ptr>
+													<expired>0</expired>
+													<shared_ptr>
+														<id>-63</id>
+													</shared_ptr>
+												</weak_ptr>
+												<container>
+													<size>0</size>
+												</container>
+											</pair>
+											<pair>
+												<weak_ptr>
+													<expired>0</expired>
+													<shared_ptr>
+														<id>-64</id>
+													</shared_ptr>
+												</weak_ptr>
+												<container>
+													<size>0</size>
+												</container>
+											</pair>
+											<pair>
+												<weak_ptr>
+													<expired>0</expired>
+													<shared_ptr>
+														<id>-65</id>
+													</shared_ptr>
+												</weak_ptr>
+												<container>
+													<size>0</size>
+												</container>
+											</pair>
+											<pair>
+												<weak_ptr>
+													<expired>0</expired>
+													<shared_ptr>
+														<id>-66</id>
+													</shared_ptr>
+												</weak_ptr>
+												<container>
+													<size>0</size>
+												</container>
+											</pair>
+											<pair>
+												<weak_ptr>
+													<expired>0</expired>
+													<shared_ptr>
+														<id>-67</id>
+													</shared_ptr>
+												</weak_ptr>
+												<container>
+													<size>0</size>
                                                                                                 </container>
                                                                                         </pair>
                                                                                         <pair>
@@ -5324,27 +5434,7 @@
                                                                                                         </shared_ptr>
                                                                                                 </weak_ptr>
                                                                                                 <container>
-													<size>5</size>
-													<variant>2</variant>
-													<string>[@(:include </string>
-													<variant>1</variant>
-													<weak_ptr>
-														<expired>0</expired>
-														<shared_ptr>
-															<id>-7</id>
-														</shared_ptr>
-													</weak_ptr>
-													<variant>2</variant>
-													<string> decl:)

namespace
boost
    {
(:include </string>
-													<variant>1</variant>
-													<weak_ptr>
-														<expired>0</expired>
-														<shared_ptr>
-															<id>-65</id>
-														</shared_ptr>
-													</weak_ptr>
-													<variant>2</variant>
-													<string> decl:)
    }@]
</string>
+													<size>0</size>
                                                                                                 </container>
                                                                                         </pair>
                                                                                         <pair>
@@ -5355,175 +5445,105 @@
                                                                                                         </shared_ptr>
                                                                                                 </weak_ptr>
                                                                                                 <container>
-													<size>29</size>
-													<variant>2</variant>
-													<string>[@#include <(:link </string>
-													<variant>1</variant>
-													<weak_ptr>
-														<expired>0</expired>
-														<shared_ptr>
-															<id>-76</id>
-														</shared_ptr>
-													</weak_ptr>
-													<variant>2</variant>
-													<string>:)>
#include <(:link </string>
-													<variant>1</variant>
-													<weak_ptr>
-														<expired>0</expired>
-														<shared_ptr>
-															<id>-16</id>
-														</shared_ptr>
-													</weak_ptr>
+													<size>0</size>
+												</container>
+											</pair>
+											<pair>
+												<weak_ptr>
+													<expired>0</expired>
+													<shared_ptr>
+														<id>-71</id>
+													</shared_ptr>
+												</weak_ptr>
+												<container>
+													<size>3</size>
                                                                                                         <variant>2</variant>
-													<string>:)>
#include <(:link </string>
+													<string>[@(:include </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-45</id>
+															<id>-32</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>:)>
#include <(:link </string>
-													<variant>1</variant>
-													<weak_ptr>
-														<expired>0</expired>
-														<shared_ptr>
-															<id>-12</id>
-														</shared_ptr>
-													</weak_ptr>
+													<string> def:)@]
</string>
+												</container>
+											</pair>
+											<pair>
+												<weak_ptr>
+													<expired>0</expired>
+													<shared_ptr>
+														<id>-72</id>
+													</shared_ptr>
+												</weak_ptr>
+												<container>
+													<size>11</size>
                                                                                                         <variant>2</variant>
-													<string>:)>
#include <(:link </string>
+													<string>[@(:include </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-31</id>
+															<id>-30</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>:)>
#include <(:link </string>
+													<string> def:)

(:include </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-39</id>
+															<id>-5</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>:)>
#include <(:link </string>
+													<string> decl:)

typedef (:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-47</id>
+															<id>-5</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>:)>
#include <(:link </string>
+													<string>:)<struct throw_function_,char const *> throw_function;
typedef (:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-52</id>
+															<id>-5</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>:)>
#include <(:link </string>
+													<string>:)<struct throw_file_,char const *> throw_file;
typedef (:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-54</id>
+															<id>-5</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>:)>
#include <(:link </string>
-													<variant>1</variant>
-													<weak_ptr>
-														<expired>0</expired>
-														<shared_ptr>
-															<id>-49</id>
-														</shared_ptr>
-													</weak_ptr>
+													<string>:)<struct throw_line_,int> throw_line;@]
</string>
+												</container>
+											</pair>
+											<pair>
+												<weak_ptr>
+													<expired>0</expired>
+													<shared_ptr>
+														<id>-73</id>
+													</shared_ptr>
+												</weak_ptr>
+												<container>
+													<size>3</size>
                                                                                                         <variant>2</variant>
-													<string>:)>
#include <(:link </string>
+													<string>[@(:include </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-15</id>
-														</shared_ptr>
-													</weak_ptr>
-													<variant>2</variant>
-													<string>:)>
#include <(:link </string>
-													<variant>1</variant>
-													<weak_ptr>
-														<expired>0</expired>
-														<shared_ptr>
-															<id>-44</id>
-														</shared_ptr>
-													</weak_ptr>
-													<variant>2</variant>
-													<string>:)>
#include <(:link </string>
-													<variant>1</variant>
-													<weak_ptr>
-														<expired>0</expired>
-														<shared_ptr>
-															<id>-67</id>
-														</shared_ptr>
-													</weak_ptr>
-													<variant>2</variant>
-													<string>:)>
#include <(:link </string>
-													<variant>1</variant>
-													<weak_ptr>
-														<expired>0</expired>
-														<shared_ptr>
-															<id>-61</id>
-														</shared_ptr>
-													</weak_ptr>
-													<variant>2</variant>
-													<string>:)>@]
</string>
-												</container>
-											</pair>
-											<pair>
-												<weak_ptr>
-													<expired>0</expired>
-													<shared_ptr>
-														<id>-71</id>
-													</shared_ptr>
-												</weak_ptr>
-												<container>
-													<size>0</size>
-												</container>
-											</pair>
-											<pair>
-												<weak_ptr>
-													<expired>0</expired>
-													<shared_ptr>
-														<id>-72</id>
-													</shared_ptr>
-												</weak_ptr>
-												<container>
-													<size>0</size>
-												</container>
-											</pair>
-											<pair>
-												<weak_ptr>
-													<expired>0</expired>
-													<shared_ptr>
-														<id>-73</id>
-													</shared_ptr>
-												</weak_ptr>
-												<container>
-													<size>3</size>
-													<variant>2</variant>
-													<string>[@(:include </string>
-													<variant>1</variant>
-													<weak_ptr>
-														<expired>0</expired>
-														<shared_ptr>
-															<id>-9</id>
+															<id>-5</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
@@ -5560,27 +5580,7 @@
                                                                                                         </shared_ptr>
                                                                                                 </weak_ptr>
                                                                                                 <container>
-													<size>5</size>
-													<variant>2</variant>
-													<string>[@(:include </string>
-													<variant>1</variant>
-													<weak_ptr>
-														<expired>0</expired>
-														<shared_ptr>
-															<id>-40</id>
-														</shared_ptr>
-													</weak_ptr>
-													<variant>2</variant>
-													<string> decl:)

(:include </string>
-													<variant>1</variant>
-													<weak_ptr>
-														<expired>0</expired>
-														<shared_ptr>
-															<id>-42</id>
-														</shared_ptr>
-													</weak_ptr>
-													<variant>2</variant>
-													<string> decl:)@]
</string>
+													<size>0</size>
                                                                                                 </container>
                                                                                         </pair>
                                                                                 </sorted>
@@ -5605,7 +5605,18 @@
                                                                                                         </shared_ptr>
                                                                                                 </weak_ptr>
                                                                                                 <container>
-													<size>0</size>
+													<size>3</size>
+													<variant>2</variant>
+													<string>[@template <class Tag,class T>
class (:link </string>
+													<variant>1</variant>
+													<weak_ptr>
+														<expired>0</expired>
+														<shared_ptr>
+															<id>-5</id>
+														</shared_ptr>
+													</weak_ptr>
+													<variant>2</variant>
+													<string>:);@]
</string>
                                                                                                 </container>
                                                                                         </pair>
                                                                                         <pair>
@@ -5627,90 +5638,7 @@
                                                                                                         </shared_ptr>
                                                                                                 </weak_ptr>
                                                                                                 <container>
-													<size>19</size>
-													<variant>2</variant>
-													<string>[@#if !defined( BOOST_EXCEPTION_DISABLE )
    #include <(:link </string>
-													<variant>1</variant>
-													<weak_ptr>
-														<expired>0</expired>
-														<shared_ptr>
-															<id>-45</id>
-														</shared_ptr>
-													</weak_ptr>
-													<variant>2</variant>
-													<string>:)>
    #include <boost/current_function.hpp>
    #define (:link </string>
-													<variant>1</variant>
-													<weak_ptr>
-														<expired>0</expired>
-														<shared_ptr>
-															<id>-7</id>
-														</shared_ptr>
-													</weak_ptr>
-													<variant>2</variant>
-													<string>:)(x)\
        ::boost::(:link </string>
-													<variant>1</variant>
-													<weak_ptr>
-														<expired>0</expired>
-														<shared_ptr>
-															<id>-65</id>
-														</shared_ptr>
-													</weak_ptr>
-													<variant>2</variant>
-													<string>:)( ::boost::(:link </string>
-													<variant>1</variant>
-													<weak_ptr>
-														<expired>0</expired>
-														<shared_ptr>
-															<id>-9</id>
-														</shared_ptr>
-													</weak_ptr>
-													<variant>2</variant>
-													<string>:)(x) <<\
        ::boost::(:link </string>
-													<variant>1</variant>
-													<weak_ptr>
-														<expired>0</expired>
-														<shared_ptr>
-															<id>-45</id>
-														</shared_ptr>
-													</weak_ptr>
-													<variant>2</variant>
-													<string>|throw_function:)(BOOST_CURRENT_FUNCTION) <<\
        ::boost::(:link </string>
-													<variant>1</variant>
-													<weak_ptr>
-														<expired>0</expired>
-														<shared_ptr>
-															<id>-45</id>
-														</shared_ptr>
-													</weak_ptr>
-													<variant>2</variant>
-													<string>|throw_file:)(__FILE__) <<\
        ::boost::(:link </string>
-													<variant>1</variant>
-													<weak_ptr>
-														<expired>0</expired>
-														<shared_ptr>
-															<id>-45</id>
-														</shared_ptr>
-													</weak_ptr>
-													<variant>2</variant>
-													<string>|throw_line:)((int)__LINE__) )
#else
    #define (:link </string>
-													<variant>1</variant>
-													<weak_ptr>
-														<expired>0</expired>
-														<shared_ptr>
-															<id>-7</id>
-														</shared_ptr>
-													</weak_ptr>
-													<variant>2</variant>
-													<string>:)(x) ::boost::(:link </string>
-													<variant>1</variant>
-													<weak_ptr>
-														<expired>0</expired>
-														<shared_ptr>
-															<id>-65</id>
-														</shared_ptr>
-													</weak_ptr>
-													<variant>2</variant>
-													<string>:)(x)
#endif@]
</string>
+													<size>0</size>
                                                                                                 </container>
                                                                                         </pair>
                                                                                         <pair>
@@ -5721,27 +5649,7 @@
                                                                                                         </shared_ptr>
                                                                                                 </weak_ptr>
                                                                                                 <container>
-													<size>5</size>
-													<variant>2</variant>
-													<string>[@(:link </string>
-													<variant>1</variant>
-													<weak_ptr>
-														<expired>0</expired>
-														<shared_ptr>
-															<id>-75</id>
-														</shared_ptr>
-													</weak_ptr>
-													<variant>2</variant>
-													<string> mod="m":) const & (:link </string>
-													<variant>1</variant>
-													<weak_ptr>
-														<expired>0</expired>
-														<shared_ptr>
-															<id>-8</id>
-														</shared_ptr>
-													</weak_ptr>
-													<variant>2</variant>
-													<string> mod="m":)() const;@]
</string>
+													<size>0</size>
                                                                                                 </container>
                                                                                         </pair>
                                                                                         <pair>
@@ -5752,18 +5660,7 @@
                                                                                                         </shared_ptr>
                                                                                                 </weak_ptr>
                                                                                                 <container>
-													<size>3</size>
-													<variant>2</variant>
-													<string>[@template <class T>
---unspecified--- (:link </string>
-													<variant>1</variant>
-													<weak_ptr>
-														<expired>0</expired>
-														<shared_ptr>
-															<id>-9</id>
-														</shared_ptr>
-													</weak_ptr>
-													<variant>2</variant>
-													<string>:)( T const & x );@]
</string>
+													<size>0</size>
                                                                                                 </container>
                                                                                         </pair>
                                                                                         <pair>
@@ -5785,27 +5682,7 @@
                                                                                                         </shared_ptr>
                                                                                                 </weak_ptr>
                                                                                                 <container>
-													<size>5</size>
-													<variant>2</variant>
-													<string>[@class
(:link </string>
-													<variant>1</variant>
-													<weak_ptr>
-														<expired>0</expired>
-														<shared_ptr>
-															<id>-11</id>
-														</shared_ptr>
-													</weak_ptr>
-													<variant>2</variant>
-													<string>:):
    public std::exception
    public boost::</string>
-													<variant>1</variant>
-													<weak_ptr>
-														<expired>0</expired>
-														<shared_ptr>
-															<id>-29</id>
-														</shared_ptr>
-													</weak_ptr>
-													<variant>2</variant>
-													<string>
    {
    ---unspecified---
    };@]
</string>
+													<size>0</size>
                                                                                                 </container>
                                                                                         </pair>
                                                                                         <pair>
@@ -5827,18 +5704,7 @@
                                                                                                         </shared_ptr>
                                                                                                 </weak_ptr>
                                                                                                 <container>
-													<size>3</size>
-													<variant>2</variant>
-													<string>[@template <class E>
E * </string>
-													<variant>1</variant>
-													<weak_ptr>
-														<expired>0</expired>
-														<shared_ptr>
-															<id>-13</id>
-														</shared_ptr>
-													</weak_ptr>
-													<variant>2</variant>
-													<string>();@]
</string>
+													<size>0</size>
                                                                                                 </container>
                                                                                         </pair>
                                                                                         <pair>
@@ -5882,7 +5748,18 @@
                                                                                                         </shared_ptr>
                                                                                                 </weak_ptr>
                                                                                                 <container>
-													<size>0</size>
+													<size>3</size>
+													<variant>2</variant>
+													<string>[@typedef ---unspecified--- (:link </string>
+													<variant>1</variant>
+													<weak_ptr>
+														<expired>0</expired>
+														<shared_ptr>
+															<id>-17</id>
+														</shared_ptr>
+													</weak_ptr>
+													<variant>2</variant>
+													<string>:);@]
</string>
                                                                                                 </container>
                                                                                         </pair>
                                                                                         <pair>
@@ -5893,18 +5770,7 @@
                                                                                                         </shared_ptr>
                                                                                                 </weak_ptr>
                                                                                                 <container>
-													<size>3</size>
-													<variant>2</variant>
-													<string>[@template <class T>
---unspecified--- (:link </string>
-													<variant>1</variant>
-													<weak_ptr>
-														<expired>0</expired>
-														<shared_ptr>
-															<id>-18</id>
-														</shared_ptr>
-													</weak_ptr>
-													<variant>2</variant>
-													<string>:)( T const & e );@]
</string>
+													<size>0</size>
                                                                                                 </container>
                                                                                         </pair>
                                                                                         <pair>
@@ -5933,7 +5799,7 @@
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-43</id>
+															<id>-5</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
@@ -5968,78 +5834,34 @@
                                                                                                         </shared_ptr>
                                                                                                 </weak_ptr>
                                                                                                 <container>
-													<size>0</size>
-												</container>
-											</pair>
-											<pair>
-												<weak_ptr>
-													<expired>0</expired>
-													<shared_ptr>
-														<id>-23</id>
-													</shared_ptr>
-												</weak_ptr>
-												<container>
-													<size>0</size>
-												</container>
-											</pair>
-											<pair>
-												<weak_ptr>
-													<expired>0</expired>
-													<shared_ptr>
-														<id>-24</id>
-													</shared_ptr>
-												</weak_ptr>
-												<container>
-													<size>0</size>
-												</container>
-											</pair>
-											<pair>
-												<weak_ptr>
-													<expired>0</expired>
-													<shared_ptr>
-														<id>-25</id>
-													</shared_ptr>
-												</weak_ptr>
-												<container>
-													<size>0</size>
-												</container>
-											</pair>
-											<pair>
-												<weak_ptr>
-													<expired>0</expired>
-													<shared_ptr>
-														<id>-26</id>
-													</shared_ptr>
-												</weak_ptr>
-												<container>
                                                                                                         <size>5</size>
                                                                                                         <variant>2</variant>
-													<string>[@template <class E, class Tag, class T>
E const & (:link </string>
+													<string>[@(:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-26</id>
+															<id>-17</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string> mod="/":)( E const & x, (:link </string>
+													<string>:) (:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-43</id>
+															<id>-22</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>:)<Tag,T> const & v );@]
</string>
+													<string>:)();@]
</string>
                                                                                                 </container>
                                                                                         </pair>
                                                                                         <pair>
                                                                                                 <weak_ptr>
                                                                                                         <expired>0</expired>
                                                                                                         <shared_ptr>
-														<id>-27</id>
+														<id>-23</id>
                                                                                                         </shared_ptr>
                                                                                                 </weak_ptr>
                                                                                                 <container>
@@ -6050,7 +5872,7 @@
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-75</id>
+															<id>-55</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
@@ -6059,7 +5881,7 @@
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-27</id>
+															<id>-23</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
@@ -6070,7 +5892,7 @@
                                                                                                 <weak_ptr>
                                                                                                         <expired>0</expired>
                                                                                                         <shared_ptr>
-														<id>-28</id>
+														<id>-24</id>
                                                                                                         </shared_ptr>
                                                                                                 </weak_ptr>
                                                                                                 <container>
@@ -6081,29 +5903,7 @@
                                                                                                 <weak_ptr>
                                                                                                         <expired>0</expired>
                                                                                                         <shared_ptr>
-														<id>-29</id>
-													</shared_ptr>
-												</weak_ptr>
-												<container>
-													<size>3</size>
-													<variant>2</variant>
-													<string>[@class (:link </string>
-													<variant>1</variant>
-													<weak_ptr>
-														<expired>0</expired>
-														<shared_ptr>
-															<id>-29</id>
-														</shared_ptr>
-													</weak_ptr>
-													<variant>2</variant>
-													<string>:);@]
</string>
-												</container>
-											</pair>
-											<pair>
-												<weak_ptr>
-													<expired>0</expired>
-													<shared_ptr>
-														<id>-30</id>
+														<id>-25</id>
                                                                                                         </shared_ptr>
                                                                                                 </weak_ptr>
                                                                                                 <container>
@@ -6114,7 +5914,7 @@
                                                                                                 <weak_ptr>
                                                                                                         <expired>0</expired>
                                                                                                         <shared_ptr>
-														<id>-31</id>
+														<id>-26</id>
                                                                                                         </shared_ptr>
                                                                                                 </weak_ptr>
                                                                                                 <container>
@@ -6125,7 +5925,7 @@
                                                                                                 <weak_ptr>
                                                                                                         <expired>0</expired>
                                                                                                         <shared_ptr>
-														<id>-32</id>
+														<id>-27</id>
                                                                                                         </shared_ptr>
                                                                                                 </weak_ptr>
                                                                                                 <container>
@@ -6136,71 +5936,154 @@
                                                                                                 <weak_ptr>
                                                                                                         <expired>0</expired>
                                                                                                         <shared_ptr>
-														<id>-33</id>
+														<id>-28</id>
                                                                                                         </shared_ptr>
                                                                                                 </weak_ptr>
                                                                                                 <container>
-													<size>5</size>
+													<size>19</size>
                                                                                                         <variant>2</variant>
-													<string>[@void (:link </string>
+													<string>[@#if !defined( BOOST_EXCEPTION_DISABLE )
    #include <(:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-33</id>
+															<id>-72</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>:)( (:link </string>
+													<string>:)>
    #include <boost/current_function.hpp>
    #define (:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-66</id>
+															<id>-28</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>:) const & ep );</string>
+													<string>:)(x)\
        ::boost::(:link </string>
+													<variant>1</variant>
+													<weak_ptr>
+														<expired>0</expired>
+														<shared_ptr>
+															<id>-35</id>
+														</shared_ptr>
+													</weak_ptr>
+													<variant>2</variant>
+													<string>:)( ::boost::(:link </string>
+													<variant>1</variant>
+													<weak_ptr>
+														<expired>0</expired>
+														<shared_ptr>
+															<id>-38</id>
+														</shared_ptr>
+													</weak_ptr>
+													<variant>2</variant>
+													<string>:)(x) <<\
        ::boost::(:link </string>
+													<variant>1</variant>
+													<weak_ptr>
+														<expired>0</expired>
+														<shared_ptr>
+															<id>-72</id>
+														</shared_ptr>
+													</weak_ptr>
+													<variant>2</variant>
+													<string>|throw_function:)(BOOST_CURRENT_FUNCTION) <<\
        ::boost::(:link </string>
+													<variant>1</variant>
+													<weak_ptr>
+														<expired>0</expired>
+														<shared_ptr>
+															<id>-72</id>
+														</shared_ptr>
+													</weak_ptr>
+													<variant>2</variant>
+													<string>|throw_file:)(__FILE__) <<\
        ::boost::(:link </string>
+													<variant>1</variant>
+													<weak_ptr>
+														<expired>0</expired>
+														<shared_ptr>
+															<id>-72</id>
+														</shared_ptr>
+													</weak_ptr>
+													<variant>2</variant>
+													<string>|throw_line:)((int)__LINE__) )
#else
    #define (:link </string>
+													<variant>1</variant>
+													<weak_ptr>
+														<expired>0</expired>
+														<shared_ptr>
+															<id>-28</id>
+														</shared_ptr>
+													</weak_ptr>
+													<variant>2</variant>
+													<string>:)(x) ::boost::(:link </string>
+													<variant>1</variant>
+													<weak_ptr>
+														<expired>0</expired>
+														<shared_ptr>
+															<id>-35</id>
+														</shared_ptr>
+													</weak_ptr>
+													<variant>2</variant>
+													<string>:)(x)
#endif@]
</string>
                                                                                                 </container>
                                                                                         </pair>
                                                                                         <pair>
                                                                                                 <weak_ptr>
                                                                                                         <expired>0</expired>
                                                                                                         <shared_ptr>
-														<id>-34</id>
+														<id>-29</id>
                                                                                                         </shared_ptr>
                                                                                                 </weak_ptr>
                                                                                                 <container>
-													<size>3</size>
+													<size>5</size>
                                                                                                         <variant>2</variant>
                                                                                                         <string>[@(:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-34</id>
+															<id>-29</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string> mod="m":)();@]
</string>
+													<string> mod="m":)( (:link </string>
+													<variant>1</variant>
+													<weak_ptr>
+														<expired>0</expired>
+														<shared_ptr>
+															<id>-55</id>
+														</shared_ptr>
+													</weak_ptr>
+													<variant>2</variant>
+													<string> mod="m":) const & v );@]
</string>
                                                                                                 </container>
                                                                                         </pair>
                                                                                         <pair>
                                                                                                 <weak_ptr>
                                                                                                         <expired>0</expired>
                                                                                                         <shared_ptr>
-														<id>-35</id>
+														<id>-30</id>
                                                                                                         </shared_ptr>
                                                                                                 </weak_ptr>
                                                                                                 <container>
-													<size>0</size>
+													<size>3</size>
+													<variant>2</variant>
+													<string>[@class (:link </string>
+													<variant>1</variant>
+													<weak_ptr>
+														<expired>0</expired>
+														<shared_ptr>
+															<id>-30</id>
+														</shared_ptr>
+													</weak_ptr>
+													<variant>2</variant>
+													<string>:);@]
</string>
                                                                                                 </container>
                                                                                         </pair>
                                                                                         <pair>
                                                                                                 <weak_ptr>
                                                                                                         <expired>0</expired>
                                                                                                         <shared_ptr>
-														<id>-36</id>
+														<id>-31</id>
                                                                                                         </shared_ptr>
                                                                                                 </weak_ptr>
                                                                                                 <container>
@@ -6211,7 +6094,7 @@
                                                                                                 <weak_ptr>
                                                                                                         <expired>0</expired>
                                                                                                         <shared_ptr>
-														<id>-37</id>
+														<id>-32</id>
                                                                                                         </shared_ptr>
                                                                                                 </weak_ptr>
                                                                                                 <container>
@@ -6222,7 +6105,7 @@
                                                                                                 <weak_ptr>
                                                                                                         <expired>0</expired>
                                                                                                         <shared_ptr>
-														<id>-38</id>
+														<id>-33</id>
                                                                                                         </shared_ptr>
                                                                                                 </weak_ptr>
                                                                                                 <container>
@@ -6233,7 +6116,7 @@
                                                                                                 <weak_ptr>
                                                                                                         <expired>0</expired>
                                                                                                         <shared_ptr>
-														<id>-39</id>
+														<id>-34</id>
                                                                                                         </shared_ptr>
                                                                                                 </weak_ptr>
                                                                                                 <container>
@@ -6244,102 +6127,122 @@
                                                                                                 <weak_ptr>
                                                                                                         <expired>0</expired>
                                                                                                         <shared_ptr>
-														<id>-40</id>
+														<id>-35</id>
                                                                                                         </shared_ptr>
                                                                                                 </weak_ptr>
                                                                                                 <container>
-													<size>7</size>
+													<size>5</size>
                                                                                                         <variant>2</variant>
-													<string>[@template <class E>
std::string (:link </string>
+													<string>[@#ifdef BOOST_NO_EXCEPTIONS
    void (:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-40</id>
+															<id>-35</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>:)( E const & e );

std::string (:link </string>
+													<string>:)( std::exception const & e ); // user defined
#else
    template <class E>
    void (:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-40</id>
+															<id>-35</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>:)( </string>
-													<variant>1</variant>
-													<weak_ptr>
-														<expired>0</expired>
-														<shared_ptr>
-															<id>-66</id>
-														</shared_ptr>
-													</weak_ptr>
-													<variant>2</variant>
-													<string> const & p );@]
</string>
+													<string>:)( E const & e );
#endif@]
</string>
                                                                                                 </container>
                                                                                         </pair>
                                                                                         <pair>
                                                                                                 <weak_ptr>
                                                                                                         <expired>0</expired>
                                                                                                         <shared_ptr>
-														<id>-41</id>
+														<id>-36</id>
                                                                                                         </shared_ptr>
                                                                                                 </weak_ptr>
                                                                                                 <container>
-													<size>0</size>
+													<size>5</size>
+													<variant>2</variant>
+													<string>[@void (:link </string>
+													<variant>1</variant>
+													<weak_ptr>
+														<expired>0</expired>
+														<shared_ptr>
+															<id>-36</id>
+														</shared_ptr>
+													</weak_ptr>
+													<variant>2</variant>
+													<string>:)( (:link </string>
+													<variant>1</variant>
+													<weak_ptr>
+														<expired>0</expired>
+														<shared_ptr>
+															<id>-17</id>
+														</shared_ptr>
+													</weak_ptr>
+													<variant>2</variant>
+													<string>:) const & ep );</string>
                                                                                                 </container>
                                                                                         </pair>
                                                                                         <pair>
                                                                                                 <weak_ptr>
                                                                                                         <expired>0</expired>
                                                                                                         <shared_ptr>
-														<id>-42</id>
+														<id>-37</id>
                                                                                                         </shared_ptr>
                                                                                                 </weak_ptr>
                                                                                                 <container>
-													<size>3</size>
+													<size>5</size>
                                                                                                         <variant>2</variant>
-													<string>[@std::string (:link </string>
+													<string>[@template <class T>
(:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-42</id>
+															<id>-17</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>:)();@]
</string>
+													<string>:) (:link </string>
+													<variant>1</variant>
+													<weak_ptr>
+														<expired>0</expired>
+														<shared_ptr>
+															<id>-37</id>
+														</shared_ptr>
+													</weak_ptr>
+													<variant>2</variant>
+													<string>:)( T const & e );@]
</string>
                                                                                                 </container>
                                                                                         </pair>
                                                                                         <pair>
                                                                                                 <weak_ptr>
                                                                                                         <expired>0</expired>
                                                                                                         <shared_ptr>
-														<id>-43</id>
+														<id>-38</id>
                                                                                                         </shared_ptr>
                                                                                                 </weak_ptr>
                                                                                                 <container>
                                                                                                         <size>3</size>
                                                                                                         <variant>2</variant>
-													<string>[@template <class Tag,class T>
class (:link </string>
+													<string>[@template <class T>
---unspecified--- (:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-43</id>
+															<id>-38</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>:);@]
</string>
+													<string>:)( T const & x );@]
</string>
                                                                                                 </container>
                                                                                         </pair>
                                                                                         <pair>
                                                                                                 <weak_ptr>
                                                                                                         <expired>0</expired>
                                                                                                         <shared_ptr>
-														<id>-44</id>
+														<id>-39</id>
                                                                                                         </shared_ptr>
                                                                                                 </weak_ptr>
                                                                                                 <container>
@@ -6350,7 +6253,7 @@
                                                                                                 <weak_ptr>
                                                                                                         <expired>0</expired>
                                                                                                         <shared_ptr>
-														<id>-45</id>
+														<id>-40</id>
                                                                                                         </shared_ptr>
                                                                                                 </weak_ptr>
                                                                                                 <container>
@@ -6361,7 +6264,7 @@
                                                                                                 <weak_ptr>
                                                                                                         <expired>0</expired>
                                                                                                         <shared_ptr>
-														<id>-46</id>
+														<id>-41</id>
                                                                                                         </shared_ptr>
                                                                                                 </weak_ptr>
                                                                                                 <container>
@@ -6372,7 +6275,7 @@
                                                                                                 <weak_ptr>
                                                                                                         <expired>0</expired>
                                                                                                         <shared_ptr>
-														<id>-47</id>
+														<id>-42</id>
                                                                                                         </shared_ptr>
                                                                                                 </weak_ptr>
                                                                                                 <container>
@@ -6383,18 +6286,29 @@
                                                                                                 <weak_ptr>
                                                                                                         <expired>0</expired>
                                                                                                         <shared_ptr>
-														<id>-48</id>
+														<id>-43</id>
                                                                                                         </shared_ptr>
                                                                                                 </weak_ptr>
                                                                                                 <container>
-													<size>0</size>
+													<size>3</size>
+													<variant>2</variant>
+													<string>[@(:link </string>
+													<variant>1</variant>
+													<weak_ptr>
+														<expired>0</expired>
+														<shared_ptr>
+															<id>-43</id>
+														</shared_ptr>
+													</weak_ptr>
+													<variant>2</variant>
+													<string> mod="m":)();@]
</string>
                                                                                                 </container>
                                                                                         </pair>
                                                                                         <pair>
                                                                                                 <weak_ptr>
                                                                                                         <expired>0</expired>
                                                                                                         <shared_ptr>
-														<id>-49</id>
+														<id>-44</id>
                                                                                                         </shared_ptr>
                                                                                                 </weak_ptr>
                                                                                                 <container>
@@ -6405,71 +6319,119 @@
                                                                                                 <weak_ptr>
                                                                                                         <expired>0</expired>
                                                                                                         <shared_ptr>
-														<id>-50</id>
+														<id>-45</id>
                                                                                                         </shared_ptr>
                                                                                                 </weak_ptr>
                                                                                                 <container>
-													<size>7</size>
+													<size>3</size>
                                                                                                         <variant>2</variant>
-													<string>[@(:link </string>
+													<string>[@template <class E>
E * </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-50</id>
+															<id>-45</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string> mod="m":)();
(:link </string>
-													<variant>1</variant>
-													<weak_ptr>
-														<expired>0</expired>
-														<shared_ptr>
-															<id>-50</id>
-														</shared_ptr>
-													</weak_ptr>
+													<string>();@]
</string>
+												</container>
+											</pair>
+											<pair>
+												<weak_ptr>
+													<expired>0</expired>
+													<shared_ptr>
+														<id>-46</id>
+													</shared_ptr>
+												</weak_ptr>
+												<container>
+													<size>0</size>
+												</container>
+											</pair>
+											<pair>
+												<weak_ptr>
+													<expired>0</expired>
+													<shared_ptr>
+														<id>-47</id>
+													</shared_ptr>
+												</weak_ptr>
+												<container>
+													<size>0</size>
+												</container>
+											</pair>
+											<pair>
+												<weak_ptr>
+													<expired>0</expired>
+													<shared_ptr>
+														<id>-48</id>
+													</shared_ptr>
+												</weak_ptr>
+												<container>
+													<size>0</size>
+												</container>
+											</pair>
+											<pair>
+												<weak_ptr>
+													<expired>0</expired>
+													<shared_ptr>
+														<id>-49</id>
+													</shared_ptr>
+												</weak_ptr>
+												<container>
+													<size>3</size>
                                                                                                         <variant>2</variant>
-													<string> mod="m":)( (:link </string>
+													<string>[@template <class T>
---unspecified--- (:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-29</id>
+															<id>-49</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>:) const & x );@]
</string>
+													<string>:)( T const & e );@]
</string>
                                                                                                 </container>
                                                                                         </pair>
                                                                                         <pair>
                                                                                                 <weak_ptr>
                                                                                                         <expired>0</expired>
                                                                                                         <shared_ptr>
-														<id>-51</id>
+														<id>-50</id>
                                                                                                         </shared_ptr>
                                                                                                 </weak_ptr>
                                                                                                 <container>
                                                                                                         <size>5</size>
                                                                                                         <variant>2</variant>
-													<string>[@(:link </string>
+													<string>[@template <class E, class Tag, class T>
E const & (:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-51</id>
+															<id>-50</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string> mod="m":)( (:link </string>
+													<string> mod="/":)( E const & x, (:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-75</id>
+															<id>-5</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string> mod="m":) const & v );@]
</string>
+													<string>:)<Tag,T> const & v );@]
</string>
+												</container>
+											</pair>
+											<pair>
+												<weak_ptr>
+													<expired>0</expired>
+													<shared_ptr>
+														<id>-51</id>
+													</shared_ptr>
+												</weak_ptr>
+												<container>
+													<size>0</size>
                                                                                                 </container>
                                                                                         </pair>
                                                                                         <pair>
@@ -6513,7 +6475,18 @@
                                                                                                         </shared_ptr>
                                                                                                 </weak_ptr>
                                                                                                 <container>
-													<size>0</size>
+													<size>3</size>
+													<variant>2</variant>
+													<string>[@typedef T (:link </string>
+													<variant>1</variant>
+													<weak_ptr>
+														<expired>0</expired>
+														<shared_ptr>
+															<id>-55</id>
+														</shared_ptr>
+													</weak_ptr>
+													<variant>2</variant>
+													<string> mod="m":);@]
</string>
                                                                                                 </container>
                                                                                         </pair>
                                                                                         <pair>
@@ -6568,7 +6541,27 @@
                                                                                                         </shared_ptr>
                                                                                                 </weak_ptr>
                                                                                                 <container>
-													<size>0</size>
+													<size>5</size>
+													<variant>2</variant>
+													<string>[@(:link </string>
+													<variant>1</variant>
+													<weak_ptr>
+														<expired>0</expired>
+														<shared_ptr>
+															<id>-55</id>
+														</shared_ptr>
+													</weak_ptr>
+													<variant>2</variant>
+													<string> mod="m":) const & (:link </string>
+													<variant>1</variant>
+													<weak_ptr>
+														<expired>0</expired>
+														<shared_ptr>
+															<id>-60</id>
+														</shared_ptr>
+													</weak_ptr>
+													<variant>2</variant>
+													<string> mod="m":)() const;@]
</string>
                                                                                                 </container>
                                                                                         </pair>
                                                                                         <pair>
@@ -6601,47 +6594,47 @@
                                                                                                         </shared_ptr>
                                                                                                 </weak_ptr>
                                                                                                 <container>
+													<size>0</size>
+												</container>
+											</pair>
+											<pair>
+												<weak_ptr>
+													<expired>0</expired>
+													<shared_ptr>
+														<id>-64</id>
+													</shared_ptr>
+												</weak_ptr>
+												<container>
                                                                                                         <size>7</size>
                                                                                                         <variant>2</variant>
-													<string>[@template <class E, class Tag1, class T1, ..., class TagN, class TN>
E const & (:link </string>
+													<string>[@(:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-63</id>
+															<id>-64</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string> mod="/":)( E const & x,
    (:link http://www.boost.org/libs/tuple/doc/tuple_users_guide.html|tuple:)<
        (:link </string>
+													<string> mod="m":)();
(:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-43</id>
+															<id>-64</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>:)<Tag1,T1>,
        ...,
        (:link </string>
+													<string> mod="m":)( (:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-43</id>
+															<id>-30</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>:)<TagN,TN> > const & v );@]
</string>
-												</container>
-											</pair>
-											<pair>
-												<weak_ptr>
-													<expired>0</expired>
-													<shared_ptr>
-														<id>-64</id>
-													</shared_ptr>
-												</weak_ptr>
-												<container>
-													<size>0</size>
+													<string>:) const & x );@]
</string>
                                                                                                 </container>
                                                                                         </pair>
                                                                                         <pair>
@@ -6654,7 +6647,7 @@
                                                                                                 <container>
                                                                                                         <size>5</size>
                                                                                                         <variant>2</variant>
-													<string>[@#ifdef BOOST_NO_EXCEPTIONS
    void (:link </string>
+													<string>[@class
(:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
@@ -6663,16 +6656,16 @@
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>:)( std::exception const & e ); // user defined
#else
    template <class E>
    void (:link </string>
+													<string>:):
    public std::exception
    public boost::</string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-65</id>
+															<id>-30</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>:)( E const & e );
#endif@]
</string>
+													<string>
    {
    ---unspecified---
    };@]
</string>
                                                                                                 </container>
                                                                                         </pair>
                                                                                         <pair>
@@ -6685,7 +6678,7 @@
                                                                                                 <container>
                                                                                                         <size>3</size>
                                                                                                         <variant>2</variant>
-													<string>[@typedef ---unspecified--- (:link </string>
+													<string>[@std::string (:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
@@ -6694,7 +6687,7 @@
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>:);@]
</string>
+													<string>:)();@]
</string>
                                                                                                 </container>
                                                                                         </pair>
                                                                                         <pair>
@@ -6716,12 +6709,41 @@
                                                                                                         </shared_ptr>
                                                                                                 </weak_ptr>
                                                                                                 <container>
-													<size>0</size>
-												</container>
-											</pair>
-											<pair>
-												<weak_ptr>
-													<expired>0</expired>
+													<size>7</size>
+													<variant>2</variant>
+													<string>[@template <class E, class Tag1, class T1, ..., class TagN, class TN>
E const & (:link </string>
+													<variant>1</variant>
+													<weak_ptr>
+														<expired>0</expired>
+														<shared_ptr>
+															<id>-68</id>
+														</shared_ptr>
+													</weak_ptr>
+													<variant>2</variant>
+													<string> mod="/":)( E const & x,
    (:link http://www.boost.org/libs/tuple/doc/tuple_users_guide.html|tuple:)<
        (:link </string>
+													<variant>1</variant>
+													<weak_ptr>
+														<expired>0</expired>
+														<shared_ptr>
+															<id>-5</id>
+														</shared_ptr>
+													</weak_ptr>
+													<variant>2</variant>
+													<string>:)<Tag1,T1>,
        ...,
        (:link </string>
+													<variant>1</variant>
+													<weak_ptr>
+														<expired>0</expired>
+														<shared_ptr>
+															<id>-5</id>
+														</shared_ptr>
+													</weak_ptr>
+													<variant>2</variant>
+													<string>:)<TagN,TN> > const & v );@]
</string>
+												</container>
+											</pair>
+											<pair>
+												<weak_ptr>
+													<expired>0</expired>
                                                                                                         <shared_ptr>
                                                                                                                 <id>-69</id>
                                                                                                         </shared_ptr>
@@ -6760,27 +6782,7 @@
                                                                                                         </shared_ptr>
                                                                                                 </weak_ptr>
                                                                                                 <container>
-													<size>5</size>
-													<variant>2</variant>
-													<string>[@template <class T>
(:link </string>
-													<variant>1</variant>
-													<weak_ptr>
-														<expired>0</expired>
-														<shared_ptr>
-															<id>-66</id>
-														</shared_ptr>
-													</weak_ptr>
-													<variant>2</variant>
-													<string>:) (:link </string>
-													<variant>1</variant>
-													<weak_ptr>
-														<expired>0</expired>
-														<shared_ptr>
-															<id>-72</id>
-														</shared_ptr>
-													</weak_ptr>
-													<variant>2</variant>
-													<string>:)( T const & e );@]
</string>
+													<size>0</size>
                                                                                                 </container>
                                                                                         </pair>
                                                                                         <pair>
@@ -6802,18 +6804,18 @@
                                                                                                         </shared_ptr>
                                                                                                 </weak_ptr>
                                                                                                 <container>
-													<size>5</size>
+													<size>7</size>
                                                                                                         <variant>2</variant>
-													<string>[@(:link </string>
+													<string>[@template <class E>
std::string (:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-66</id>
+															<id>-74</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>:) (:link </string>
+													<string>:)( E const & e );

std::string (:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
@@ -6822,7 +6824,16 @@
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>:)();@]
</string>
+													<string>:)( </string>
+													<variant>1</variant>
+													<weak_ptr>
+														<expired>0</expired>
+														<shared_ptr>
+															<id>-17</id>
+														</shared_ptr>
+													</weak_ptr>
+													<variant>2</variant>
+													<string> const & p );@]
</string>
                                                                                                 </container>
                                                                                         </pair>
                                                                                         <pair>
@@ -6833,18 +6844,7 @@
                                                                                                         </shared_ptr>
                                                                                                 </weak_ptr>
                                                                                                 <container>
-													<size>3</size>
-													<variant>2</variant>
-													<string>[@typedef T (:link </string>
-													<variant>1</variant>
-													<weak_ptr>
-														<expired>0</expired>
-														<shared_ptr>
-															<id>-75</id>
-														</shared_ptr>
-													</weak_ptr>
-													<variant>2</variant>
-													<string> mod="m":);@]
</string>
+													<size>0</size>
                                                                                                 </container>
                                                                                         </pair>
                                                                                         <pair>
@@ -6880,27 +6880,189 @@
                                                                                                         </shared_ptr>
                                                                                                 </weak_ptr>
                                                                                                 <container>
-													<size>5</size>
+													<size>41</size>
                                                                                                         <variant>2</variant>
-													<string>(:auto !!!:)

(:include synopsis:)

This type is designed to be used as a standard </string>
+													<string>(:auto !!!:)

(:include synopsis:)

!!!!Requirements:

T must have accessible copy constructor and must not be a reference (there is no requirement that T's copy constructor does not throw.)

!!!!Description:

This class template is used to associate a Tag type with a value type T. Objects of type (:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-43</id>
+															<id>-5</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string> instance for transporting the name of a relevant API function (which does not use exceptions to report errors) in exceptions deriving from boost::</string>
+													<string>:)<Tag,T> can be passed to (:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-29</id>
+															<id>-50</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>.</string>
+													<string> mod="/":) to be stored in objects of type boost::(:link </string>
+													<variant>1</variant>
+													<weak_ptr>
+														<expired>0</expired>
+														<shared_ptr>
+															<id>-30</id>
+														</shared_ptr>
+													</weak_ptr>
+													<variant>2</variant>
+													<string>:).

!!!!Usage:

The header <(:link </string>
+													<variant>1</variant>
+													<weak_ptr>
+														<expired>0</expired>
+														<shared_ptr>
+															<id>-73</id>
+														</shared_ptr>
+													</weak_ptr>
+													<variant>2</variant>
+													<string>:)> provides a declaration of the (:link </string>
+													<variant>1</variant>
+													<weak_ptr>
+														<expired>0</expired>
+														<shared_ptr>
+															<id>-5</id>
+														</shared_ptr>
+													</weak_ptr>
+													<variant>2</variant>
+													<string>:) template, which is sufficient for the purpose of typedefing an instance for specific Tag and T, for example:

[@#include <(:link </string>
+													<variant>1</variant>
+													<weak_ptr>
+														<expired>0</expired>
+														<shared_ptr>
+															<id>-73</id>
+														</shared_ptr>
+													</weak_ptr>
+													<variant>2</variant>
+													<string>:)>

struct tag_errno;
typedef boost::(:link </string>
+													<variant>1</variant>
+													<weak_ptr>
+														<expired>0</expired>
+														<shared_ptr>
+															<id>-5</id>
+														</shared_ptr>
+													</weak_ptr>
+													<variant>2</variant>
+													<string>:)<tag_errno,int> errno_info;@]

Or, the shorter equivalent:

[@#include <(:link </string>
+													<variant>1</variant>
+													<weak_ptr>
+														<expired>0</expired>
+														<shared_ptr>
+															<id>-73</id>
+														</shared_ptr>
+													</weak_ptr>
+													<variant>2</variant>
+													<string>:)>

typedef boost::(:link </string>
+													<variant>1</variant>
+													<weak_ptr>
+														<expired>0</expired>
+														<shared_ptr>
+															<id>-5</id>
+														</shared_ptr>
+													</weak_ptr>
+													<variant>2</variant>
+													<string>:)<struct tag_errno,int> errno_info;@]

This errno_info typedef can be passed to (:link </string>
+													<variant>1</variant>
+													<weak_ptr>
+														<expired>0</expired>
+														<shared_ptr>
+															<id>-50</id>
+														</shared_ptr>
+													</weak_ptr>
+													<variant>2</variant>
+													<string> mod="/":) (#include <(:link </string>
+													<variant>1</variant>
+													<weak_ptr>
+														<expired>0</expired>
+														<shared_ptr>
+															<id>-8</id>
+														</shared_ptr>
+													</weak_ptr>
+													<variant>2</variant>
+													<string>:)> first) to store an int named tag_errno in exceptions of types that derive from boost::(:link </string>
+													<variant>1</variant>
+													<weak_ptr>
+														<expired>0</expired>
+														<shared_ptr>
+															<id>-30</id>
+														</shared_ptr>
+													</weak_ptr>
+													<variant>2</variant>
+													<string>:):

[@throw file_read_error() (:link </string>
+													<variant>1</variant>
+													<weak_ptr>
+														<expired>0</expired>
+														<shared_ptr>
+															<id>-50</id>
+														</shared_ptr>
+													</weak_ptr>
+													<variant>2</variant>
+													<string>|<<:) errno_info(errno);@]

It can also be passed to (:link </string>
+													<variant>1</variant>
+													<weak_ptr>
+														<expired>0</expired>
+														<shared_ptr>
+															<id>-23</id>
+														</shared_ptr>
+													</weak_ptr>
+													<variant>2</variant>
+													<string>:) (#include <(:link </string>
+													<variant>1</variant>
+													<weak_ptr>
+														<expired>0</expired>
+														<shared_ptr>
+															<id>-62</id>
+														</shared_ptr>
+													</weak_ptr>
+													<variant>2</variant>
+													<string>:)> first) to retrieve the tag_errno int from a boost::(:link </string>
+													<variant>1</variant>
+													<weak_ptr>
+														<expired>0</expired>
+														<shared_ptr>
+															<id>-30</id>
+														</shared_ptr>
+													</weak_ptr>
+													<variant>2</variant>
+													<string>:):

[@catch( boost::(:link </string>
+													<variant>1</variant>
+													<weak_ptr>
+														<expired>0</expired>
+														<shared_ptr>
+															<id>-30</id>
+														</shared_ptr>
+													</weak_ptr>
+													<variant>2</variant>
+													<string>:) & x )
    {
    if( int const * e=boost::(:link </string>
+													<variant>1</variant>
+													<weak_ptr>
+														<expired>0</expired>
+														<shared_ptr>
+															<id>-23</id>
+														</shared_ptr>
+													</weak_ptr>
+													<variant>2</variant>
+													<string>:)<errno_info>(x) )
        ....
    }@]

For convenience and uniformity, Boost Exception defines the following commonly used (:link </string>
+													<variant>1</variant>
+													<weak_ptr>
+														<expired>0</expired>
+														<shared_ptr>
+															<id>-5</id>
+														</shared_ptr>
+													</weak_ptr>
+													<variant>2</variant>
+													<string>:) typedefs, ready for use with (:link </string>
+													<variant>1</variant>
+													<weak_ptr>
+														<expired>0</expired>
+														<shared_ptr>
+															<id>-50</id>
+														</shared_ptr>
+													</weak_ptr>
+													<variant>2</variant>
+													<string> mod="/":):

(:pagelist tags="error_info_instance":)
</string>
                                                                                                 </container>
                                                                                         </pair>
                                                                                         <pair>
@@ -6911,36 +7073,160 @@
                                                                                                         </shared_ptr>
                                                                                                 </weak_ptr>
                                                                                                 <container>
-													<size>27</size>
+													<size>19</size>
                                                                                                         <variant>2</variant>
-													<string>(:auto !!:)

Some exception hierarchies can not be modified to make boost::(:link </string>
+													<string>(:auto !!:)

Boost Exception responds to the following configuration macros:

'''BOOST_NO_RTTI'''\\
'''BOOST_NO_TYPEID'''

The first macro prevents Boost Exception from using dynamic_cast and dynamic typeid. If the second macro is also defined, Boost Exception does not use static typeid either. There are no observable degrading effects on the library functionality, except for the following:

->By default, the (:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-29</id>
+															<id>-23</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>:) a base type. In this case, the (:link </string>
+													<string>:) function template can be called with any exception type. If BOOST_NO_RTTI is defined, (:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-9</id>
+															<id>-23</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>:) function template can be used to make exception objects derive from boost::(:link </string>
+													<string>:) can be used only with objects of type boost::(:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-29</id>
+															<id>-30</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>:) anyway. Here is an example:

[@#include <(:link </string>
+													<string>:).

!!!!Note:

The library needs RTTI functionality. Disabling the language RTTI support enables an internal RTTI system, which may have more or less overhead depending on the platform.

'''BOOST_EXCEPTION_DISABLE'''

By default, (:link </string>
+													<variant>1</variant>
+													<weak_ptr>
+														<expired>0</expired>
+														<shared_ptr>
+															<id>-49</id>
+														</shared_ptr>
+													</weak_ptr>
+													<variant>2</variant>
+													<string>:) and (:link </string>
+													<variant>1</variant>
+													<weak_ptr>
+														<expired>0</expired>
+														<shared_ptr>
+															<id>-38</id>
+														</shared_ptr>
+													</weak_ptr>
+													<variant>2</variant>
+													<string>:) are integrated directly in the (:link </string>
+													<variant>1</variant>
+													<weak_ptr>
+														<expired>0</expired>
+														<shared_ptr>
+															<id>-35</id>
+														</shared_ptr>
+													</weak_ptr>
+													<variant>2</variant>
+													<string>:) function. Defining BOOST_EXCEPTION_DISABLE disables this integration.

Note that on some non-conformant compilers, for example MSVC 7.0 and older, as well as BCC, BOOST_EXCEPTION_DISABLE is implicitly defined in (:link </string>
+													<variant>1</variant>
+													<weak_ptr>
+														<expired>0</expired>
+														<shared_ptr>
+															<id>-19</id>
+														</shared_ptr>
+													</weak_ptr>
+													<variant>2</variant>
+													<string>:).

'''BOOST_NO_EXCEPTIONS'''

This macro disables exception handling in Boost, forwarding all exceptions to a user-defined non-template version of boost::</string>
+													<variant>1</variant>
+													<weak_ptr>
+														<expired>0</expired>
+														<shared_ptr>
+															<id>-35</id>
+														</shared_ptr>
+													</weak_ptr>
+													<variant>2</variant>
+													<string>. However, unless BOOST_EXCEPTION_DISABLE is also defined, users can still examine the exception object for any data added at the point of the throw, or use boost::</string>
+													<variant>1</variant>
+													<weak_ptr>
+														<expired>0</expired>
+														<shared_ptr>
+															<id>-74</id>
+														</shared_ptr>
+													</weak_ptr>
+													<variant>2</variant>
+													<string> (of course under BOOST_NO_EXCEPTIONS, the user-defined boost::throw_exception is not allowed to return to the caller.)
</string>
+												</container>
+											</pair>
+											<pair>
+												<weak_ptr>
+													<expired>0</expired>
+													<shared_ptr>
+														<id>-7</id>
+													</shared_ptr>
+												</weak_ptr>
+												<container>
+													<size>1</size>
+													<variant>2</variant>
+													<string>(:auto !!:)

!!!Synopsis

(:include synopsis:)
</string>
+												</container>
+											</pair>
+											<pair>
+												<weak_ptr>
+													<expired>0</expired>
+													<shared_ptr>
+														<id>-8</id>
+													</shared_ptr>
+												</weak_ptr>
+												<container>
+													<size>1</size>
+													<variant>2</variant>
+													<string>(:auto !!:)

!!!Synopsis

(:include synopsis:)
</string>
+												</container>
+											</pair>
+											<pair>
+												<weak_ptr>
+													<expired>0</expired>
+													<shared_ptr>
+														<id>-9</id>
+													</shared_ptr>
+												</weak_ptr>
+												<container>
+													<size>1</size>
+													<variant>2</variant>
+													<string>(:auto !!:)

!!!Synopsis

(:include synopsis:)
</string>
+												</container>
+											</pair>
+											<pair>
+												<weak_ptr>
+													<expired>0</expired>
+													<shared_ptr>
+														<id>-10</id>
+													</shared_ptr>
+												</weak_ptr>
+												<container>
+													<size>11</size>
+													<variant>2</variant>
+													<string>(:auto !!:)

All exception types that derive from boost::(:link </string>
+													<variant>1</variant>
+													<weak_ptr>
+														<expired>0</expired>
+														<shared_ptr>
+															<id>-30</id>
+														</shared_ptr>
+													</weak_ptr>
+													<variant>2</variant>
+													<string>:) can be used as type-safe containers of arbitrary data objects, while complying with the no-throw requirements (15.5.1) of the ANSI C++ standard for exception types.

When exceptions derive from boost::(:link </string>
+													<variant>1</variant>
+													<weak_ptr>
+														<expired>0</expired>
+														<shared_ptr>
+															<id>-30</id>
+														</shared_ptr>
+													</weak_ptr>
+													<variant>2</variant>
+													<string>:), arbitrary data can be added to exception objects:

*At the point of the throw;
*At a later time as exceptions bubble up the call stack.

(:include </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
@@ -6949,257 +7235,271 @@
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>:)>
#include <stdexcept>

typedef boost::(:link </string>
+													<string>:)
(:include </string>
+													<variant>1</variant>
+													<weak_ptr>
+														<expired>0</expired>
+														<shared_ptr>
+															<id>-51</id>
+														</shared_ptr>
+													</weak_ptr>
+													<variant>2</variant>
+													<string>:)
(:include </string>
+													<variant>1</variant>
+													<weak_ptr>
+														<expired>0</expired>
+														<shared_ptr>
+															<id>-33</id>
+														</shared_ptr>
+													</weak_ptr>
+													<variant>2</variant>
+													<string>:)
</string>
+												</container>
+											</pair>
+											<pair>
+												<weak_ptr>
+													<expired>0</expired>
+													<shared_ptr>
+														<id>-11</id>
+													</shared_ptr>
+												</weak_ptr>
+												<container>
+													<size>1</size>
+													<variant>2</variant>
+													<string>(:auto !!:)

!!!Synopsis

(:include synopsis:)
</string>
+												</container>
+											</pair>
+											<pair>
+												<weak_ptr>
+													<expired>0</expired>
+													<shared_ptr>
+														<id>-12</id>
+													</shared_ptr>
+												</weak_ptr>
+												<container>
+													<size>19</size>
+													<variant>2</variant>
+													<string>(:auto !!:)

Boost Exception provides a namespace-scope function (:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-43</id>
+															<id>-74</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>:)<struct tag_std_range_min,size_t> std_range_min;
typedef boost::(:link </string>
+													<string>:) which takes a boost::(:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-43</id>
+															<id>-30</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>:)<struct tag_std_range_max,size_t> std_range_max;
typedef boost::(:link </string>
+													<string>:). The returned string contains:

*the string representation of all data objects added to the boost::(:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-43</id>
+															<id>-30</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>:)<struct tag_std_range_index,size_t> std_range_index;

template <class T>
class
my_container
    {
    public:

    size_t size() const;

    T const &
    operator[]( size_t i ) const
        {
        if( i > size() )
            throw boost::(:link </string>
+													<string>:) through (:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-9</id>
+															<id>-50</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>:)(std::range_error("Index out of range")) <<
                std_range_min(0) <<
                std_range_max(size()) <<
                std_range_index(i);
        //....
        }
    };
@]

The call to (:link </string>
+													<string> mod="/":);
*the output from std::exception::what;
*additional platform-specific diagnostic information.

The returned string is not presentable as a friendly user message, but because it is generated automatically, it is useful for debugging or logging purposes. Here is an example:

[@#include <(:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-9</id>
+															<id>-40</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>:)<T> gets us an object of ''unspecified type'' which is guaranteed to derive from both boost::(:link </string>
+													<string>:)>
#include <iostream>

void f(); //throws unknown types that derive from boost::(:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-29</id>
+															<id>-30</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>:) and T. This makes it possible to use (:link </string>
+													<string>:).

void
g()
    {
    try
        {
        f();
        }
    catch(
    boost::(:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-26</id>
+															<id>-30</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string> mod="/":) to store additional information in the exception object. The exception can be intercepted as T &, so existing exception handling will not break. It can also be intercepted as boost::(:link </string>
+													<string>:) & e )
        {
        std::cerr << (:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-29</id>
+															<id>-74</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>:) &, so that (:link </string>
+													<string>:)(e);
        }
    }@]

(:include </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-53</id>
+															<id>-16</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>|more information can be added to the exception at a later time:).
</string>
+													<string>:)
</string>
                                                                                                 </container>
                                                                                         </pair>
                                                                                         <pair>
                                                                                                 <weak_ptr>
                                                                                                         <expired>0</expired>
                                                                                                         <shared_ptr>
-														<id>-7</id>
+														<id>-13</id>
                                                                                                         </shared_ptr>
                                                                                                 </weak_ptr>
                                                                                                 <container>
-													<size>7</size>
+													<size>73</size>
                                                                                                         <variant>2</variant>
-													<string>(:auto !!!:)

(:include synopsis:)

This macro takes an exception object, records BOOST_CURRENT_FUNCTION, __FILE__ and __LINE__ in it, and forwards it to </string>
+													<string>!!Synopsis

List of documented definitions, declarations and includes by header file:

`#include <(:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-65</id>
+															<id>-72</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>. To recover this information at the catch site, use </string>
+													<string>:)>

[@(:include </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-27</id>
+															<id>-72</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>; the information is also included in the message returned by </string>
+													<string> synopsis:)@]

`#include <(:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-40</id>
+															<id>-73</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>.
</string>
-												</container>
-											</pair>
-											<pair>
-												<weak_ptr>
-													<expired>0</expired>
-													<shared_ptr>
-														<id>-8</id>
-													</shared_ptr>
-												</weak_ptr>
-												<container>
-													<size>5</size>
-													<variant>2</variant>
-													<string>(:auto !!!:)

(:include synopsis:)

!!!!Description:

Returns a const reference to the copy of the value passed to (:link </string>
+													<string>:)>

[@(:include </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-43</id>
+															<id>-73</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>:)'s constructor stored in the (:link </string>
+													<string> synopsis:)@]

`#include <(:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-43</id>
+															<id>-8</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>:) object.

!!!!Throws:

Nothing.
</string>
-												</container>
-											</pair>
-											<pair>
-												<weak_ptr>
-													<expired>0</expired>
-													<shared_ptr>
-														<id>-9</id>
-													</shared_ptr>
-												</weak_ptr>
-												<container>
-													<size>5</size>
-													<variant>2</variant>
-													<string>(:auto !!!:)

(:include synopsis:)

!!!!Requirements:

T must be a class with an accessible no-throw copy constructor as per (15.5.1).

!!!!Returns:

* If T derives from boost::(:link </string>
+													<string>:)>

[@(:include </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-29</id>
+															<id>-8</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>:), the returned object is of type T and is a copy of x.
* Otherwise, the returned object is of an unspecified type that derives publicly from both T and boost::(:link </string>
+													<string> synopsis:)@]

`#include <(:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-29</id>
+															<id>-11</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>:). The T sub-object is initialized from x by the T copy constructor.

!!!!Throws:

Nothing.
</string>
-												</container>
-											</pair>
-											<pair>
-												<weak_ptr>
-													<expired>0</expired>
-													<shared_ptr>
-														<id>-10</id>
-													</shared_ptr>
-												</weak_ptr>
-												<container>
-													<size>17</size>
+													<string>:)>

[@(:include </string>
+													<variant>1</variant>
+													<weak_ptr>
+														<expired>0</expired>
+														<shared_ptr>
+															<id>-11</id>
+														</shared_ptr>
+													</weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>(:auto !!!:)

The following example demonstrates how errno can be stored in exception objects using Boost Exception:

[@#include <(:link </string>
+													<string> synopsis:)@]

`#include <(:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-70</id>
+															<id>-42</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>:)>
#include <iostream>

typedef boost::(:link </string>
+													<string>:)>

[@(:include </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-43</id>
+															<id>-42</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>:)<struct tag_my_info,int> my_info; //(1)

struct my_error: virtual boost::(:link </string>
+													<string> synopsis:)@]

`#include <(:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-29</id>
+															<id>-24</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>:), virtual std::exception { }; //(2)

void
f()
    {
    throw my_error() << my_info(42); //(3)
    }@]

First, we instantiate the (:link </string>
+													<string>:)>

[@(:include </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-43</id>
+															<id>-24</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>:) template using a unique identifier -- tag_my_info, and the type of the info it identifies -- int. This provides compile-time type safety for the various values stored in exception objects.

Second, we define class my_error, which derives from boost::(:link </string>
+													<string> synopsis:)@]

`#include <(:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-29</id>
+															<id>-57</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>:).

Finally, (3) illustrates how the typedef from (1) can be used with (:link </string>
+													<string>:)>

[@(:include </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-26</id>
+															<id>-57</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>|operator<<:) to store values in exception objects at the point of the throw.

The stored my_info value can be recovered at a later time like this:

[@// ...continued

void
g()
    {
    try
        {
        f();
        }
    catch(
    my_error & x )
        {
        if( int const * mi=boost::(:link </string>
+													<string> synopsis:)@]

`#include <(:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
@@ -7208,7 +7508,7 @@
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>:)<my_info>(x) )
            std::cerr << "My info: " << *mi;
        }
    }@]

The (:link </string>
+													<string>:)>

[@(:include </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
@@ -7217,246 +7517,194 @@
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>:) function template is instantiated with the typedef from (1), and is passed an exception object of a polymorphic type. If the exception object contains the requested value, err will point to it; otherwise a null pointer is returned.
</string>
-												</container>
-											</pair>
-											<pair>
-												<weak_ptr>
-													<expired>0</expired>
-													<shared_ptr>
-														<id>-11</id>
-													</shared_ptr>
-												</weak_ptr>
-												<container>
-													<size>5</size>
-													<variant>2</variant>
-													<string>(:auto !!!:)

(:include synopsis:)

This type is used by the (:link </string>
+													<string> synopsis:)@]

`#include <(:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-66</id>
+															<id>-56</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>:) support in Boost Exception. Please see (:link </string>
+													<string>:)>

[@(:include </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-74</id>
+															<id>-56</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>:).
</string>
-												</container>
-											</pair>
-											<pair>
-												<weak_ptr>
-													<expired>0</expired>
-													<shared_ptr>
-														<id>-12</id>
-													</shared_ptr>
-												</weak_ptr>
-												<container>
-													<size>1</size>
-													<variant>2</variant>
-													<string>(:auto !!:)

!!!Synopsis

(:include synopsis:)
</string>
-												</container>
-											</pair>
-											<pair>
-												<weak_ptr>
-													<expired>0</expired>
-													<shared_ptr>
-														<id>-13</id>
-													</shared_ptr>
-												</weak_ptr>
-												<container>
-													<size>1</size>
-													<variant>2</variant>
-													<string>(:auto !!!:)

(:include synopsis:)

!!!!Requirements:

This function must not be called outside of a catch block.

!!!!Returns:

A pointer of type E to the current exception object, or null if the current exception object can not be converted to E *.

!!!!Throws:

Nothing.
</string>
-												</container>
-											</pair>
-											<pair>
-												<weak_ptr>
-													<expired>0</expired>
-													<shared_ptr>
-														<id>-14</id>
-													</shared_ptr>
-												</weak_ptr>
-												<container>
-													<size>37</size>
-													<variant>2</variant>
-													<string>(:auto !!!:)

When you catch an exception, you can call (:link </string>
+													<string> synopsis:)@]

`#include <(:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-74</id>
+															<id>-19</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>:) to get an (:link </string>
+													<string>:)>

[@(:include </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-66</id>
+															<id>-19</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>:) object:

[@#include <(:link </string>
+													<string> synopsis:)@]

`#include <</string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-47</id>
+															<id>-58</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>:)>
#include <boost/thread.hpp>
#include <boost/bind.hpp>

void do_work(); //throws cloning-enabled boost::(:link </string>
+													<string>>

(:include </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-29</id>
+															<id>-58</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>:)s

void
worker_thread( boost::(:link </string>
+													<string> synopsis:)

`#include <</string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-66</id>
+															<id>-14</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>:) & error )
    {
    try
        {
        do_work();
        error = boost::(:link </string>
+													<string>>

(:include </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-66</id>
+															<id>-14</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>:)();
        }
    catch(
    ... )
        {
        error = boost::(:link </string>
+													<string> synopsis:)

`#include <</string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-74</id>
+															<id>-71</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>:)();
        }
    }@]

In the above example, note that (:link </string>
+													<string>>

(:include </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-74</id>
+															<id>-71</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>:) captures the original type of the exception object. The exception can be thrown again using the (:link </string>
+													<string> synopsis:)

`#include <</string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-33</id>
+															<id>-53</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>:) function:

[@// ...continued

void
work()
    {
    boost::(:link </string>
+													<string>>

(:include </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-66</id>
+															<id>-53</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>:) error;
    boost::(:link http://www.boost.org/doc/html/boost/thread.html|thread:) t( boost::(:link http://www.boost.org/libs/bind/bind.html|bind:)(worker_thread,boost::(:link http://www.boost.org/doc/html/ref.html|ref:)(error)) );
    t.(:link http://www.boost.org/doc/html/boost/thread.html|join:)();
    if( error )
        boost::(:link </string>
+													<string> synopsis:)

`#include <</string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-33</id>
+															<id>-7</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>:)(error);
    }@]

Note that (:link </string>
+													<string>>

(:include </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-74</id>
+															<id>-7</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>:) could fail to copy the original exception object in the following cases:

* if there is not enough memory, in which case the returned (:link </string>
+													<string> synopsis:)

`#include <</string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-66</id>
+															<id>-41</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>:) points to an instance of std::bad_alloc, or
* if (:link </string>
+													<string>>

(:include </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-18</id>
+															<id>-41</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>:) was not used in the throw-expression passed to the original throw statement and the current implementation does not have the necessary compiler-specific support to copy the exception automatically, in which case the returned (:link </string>
+													<string> synopsis:)

`#include <</string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-66</id>
+															<id>-9</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>:) points to an instance of (:link </string>
+													<string>>

(:include </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-11</id>
+															<id>-9</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>:).

Regardless, the use of (:link </string>
+													<string> synopsis:)

`#include <</string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-74</id>
+															<id>-40</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>:) and (:link </string>
+													<string>>

(:include </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-33</id>
+															<id>-40</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>:) in the above examples is well-formed.
</string>
+													<string> synopsis:)
</string>
                                                                                                 </container>
                                                                                         </pair>
                                                                                         <pair>
                                                                                                 <weak_ptr>
                                                                                                         <expired>0</expired>
                                                                                                         <shared_ptr>
-														<id>-15</id>
+														<id>-14</id>
                                                                                                         </shared_ptr>
                                                                                                 </weak_ptr>
                                                                                                 <container>
@@ -7469,1679 +7717,1538 @@
                                                                                                 <weak_ptr>
                                                                                                         <expired>0</expired>
                                                                                                         <shared_ptr>
-														<id>-16</id>
+														<id>-15</id>
                                                                                                         </shared_ptr>
                                                                                                 </weak_ptr>
                                                                                                 <container>
-													<size>1</size>
+													<size>3</size>
                                                                                                         <variant>2</variant>
-													<string>(:auto !!:)

!!!Synopsis

(:include synopsis:)
</string>
+													<string>(:auto !!:)

This header has been deprecated.

Please #include <</string>
+													<variant>1</variant>
+													<weak_ptr>
+														<expired>0</expired>
+														<shared_ptr>
+															<id>-40</id>
+														</shared_ptr>
+													</weak_ptr>
+													<variant>2</variant>
+													<string>> instead.</string>
                                                                                                 </container>
                                                                                         </pair>
                                                                                         <pair>
                                                                                                 <weak_ptr>
                                                                                                         <expired>0</expired>
                                                                                                         <shared_ptr>
-														<id>-17</id>
+														<id>-16</id>
                                                                                                         </shared_ptr>
                                                                                                 </weak_ptr>
                                                                                                 <container>
-													<size>19</size>
-													<variant>2</variant>
-													<string>(:auto !!:)

Boost Exception responds to the following configuration macros:

'''BOOST_NO_RTTI'''\\
'''BOOST_NO_TYPEID'''

The first macro prevents Boost Exception from using dynamic_cast and dynamic typeid. If the second macro is also defined, Boost Exception does not use static typeid either. There are no observable degrading effects on the library functionality, except for the following:

->By default, the (:link </string>
-													<variant>1</variant>
-													<weak_ptr>
-														<expired>0</expired>
-														<shared_ptr>
-															<id>-27</id>
-														</shared_ptr>
-													</weak_ptr>
-													<variant>2</variant>
-													<string>:) function template can be called with any exception type. If BOOST_NO_RTTI is defined, (:link </string>
-													<variant>1</variant>
-													<weak_ptr>
-														<expired>0</expired>
-														<shared_ptr>
-															<id>-27</id>
-														</shared_ptr>
-													</weak_ptr>
-													<variant>2</variant>
-													<string>:) can be used only with objects of type boost::(:link </string>
-													<variant>1</variant>
-													<weak_ptr>
-														<expired>0</expired>
-														<shared_ptr>
-															<id>-29</id>
-														</shared_ptr>
-													</weak_ptr>
-													<variant>2</variant>
-													<string>:).

!!!!Note:

The library needs RTTI functionality. Disabling the language RTTI support enables an internal RTTI system, which may have more or less overhead depending on the platform.

'''BOOST_EXCEPTION_DISABLE'''

By default, (:link </string>
-													<variant>1</variant>
-													<weak_ptr>
-														<expired>0</expired>
-														<shared_ptr>
-															<id>-18</id>
-														</shared_ptr>
-													</weak_ptr>
+													<size>11</size>
                                                                                                         <variant>2</variant>
-													<string>:) and (:link </string>
+													<string>!!!!Example:

this is a possible output from the (:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-9</id>
+															<id>-74</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>:) are integrated directly in the (:link </string>
+													<string>:) function, as used in ''libs/exception/example/example_io.cpp:''

[@example_io.cpp(70): Throw in function class boost::shared_ptr<struct _iobuf> __cdecl my_fopen(const char *,const char *)
Dynamic exception type: class boost::exception_detail::clone_impl<struct fopen_error>
std::exception::what: example_io error
[struct boost::(:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-65</id>
+															<id>-47</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>:) function. Defining BOOST_EXCEPTION_DISABLE disables this integration.

Note that on some non-conformant compilers, for example MSVC 7.0 and older, as well as BCC, BOOST_EXCEPTION_DISABLE is implicitly defined in (:link </string>
+													<string>:)_ *] = fopen
[struct boost::(:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-69</id>
+															<id>-32</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>:).

'''BOOST_NO_EXCEPTIONS'''

This macro disables exception handling in Boost, forwarding all exceptions to a user-defined non-template version of boost::</string>
+													<string>:)_ *] = 2, "No such file or directory"
[struct boost::(:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-65</id>
+															<id>-25</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>. However, unless BOOST_EXCEPTION_DISABLE is also defined, users can still examine the exception object for any data added at the point of the throw, or use boost::</string>
+													<string>:)_ *] = tmp1.txt
[struct boost::(:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-40</id>
+															<id>-76</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string> (of course under BOOST_NO_EXCEPTIONS, the user-defined boost::throw_exception is not allowed to return to the caller.)
</string>
+													<string>:)_ *] = rb@]
</string>
                                                                                                 </container>
                                                                                         </pair>
                                                                                         <pair>
                                                                                                 <weak_ptr>
                                                                                                         <expired>0</expired>
                                                                                                         <shared_ptr>
-														<id>-18</id>
+														<id>-17</id>
                                                                                                         </shared_ptr>
                                                                                                 </weak_ptr>
                                                                                                 <container>
-													<size>21</size>
-													<variant>2</variant>
-													<string>(:auto !!!:)

(:include synopsis:)

!!!!Requirements:

* T must be a class with an accessible no-throw copy constructor.
* If T has any virtual base types, those types must have an accessible default constructor.

!!!!Returns:

An object of ''unspecified'' type which derives publicly from T. That is, the returned object can be intercepted by a catch(T &).

!!!!Description:



This function is designed to be used directly in a throw-expression to enable the (:link </string>
-													<variant>1</variant>
-													<weak_ptr>
-														<expired>0</expired>
-														<shared_ptr>
-															<id>-66</id>
-														</shared_ptr>
-													</weak_ptr>
-													<variant>2</variant>
-													<string>:) support in Boost Exception. For example:

[@class
my_exception:
    public std::exception
    {
    };

....
throw boost::(:link </string>
-													<variant>1</variant>
-													<weak_ptr>
-														<expired>0</expired>
-														<shared_ptr>
-															<id>-18</id>
-														</shared_ptr>
-													</weak_ptr>
-													<variant>2</variant>
-													<string>:)(my_exception());@]

Unless (:link </string>
-													<variant>1</variant>
-													<weak_ptr>
-														<expired>0</expired>
-														<shared_ptr>
-															<id>-18</id>
-														</shared_ptr>
-													</weak_ptr>
+													<size>25</size>
                                                                                                         <variant>2</variant>
-													<string>:) is called at the time an exception object is used in a throw-expression, an attempt to copy it using (:link </string>
+													<string>(:auto !!!:)

(:include synopsis:)

The (:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-74</id>
+															<id>-17</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>:) may return an (:link </string>
+													<string>:) type can be used to refer to a copy of an exception object. It is Default Constructible, Copy Constructible, Assignable and Equality Comparable; (:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-66</id>
+															<id>-17</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>:) which refers to an instance of (:link </string>
+													<string>:)'s operations do not throw.

The referenced object remains valid at least as long as there is an (:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-11</id>
+															<id>-17</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>:). See (:link </string>
+													<string>:) object that refers to it.

Two instances of (:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-74</id>
+															<id>-17</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>:) for details.

!!!!Note:

Instead of using the throw keyword directly, it is preferable to call boost::(:link </string>
+													<string>:) are equivalent and compare equal if and only if they refer to the same exception.

The default constructor of (:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-65</id>
+															<id>-17</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>:). This is guaranteed to throw an exception that derives from boost::(:link </string>
+													<string>:) produces the null value of the type. The null value is equivalent only to itself.

!!!!Thread safety

* It is legal for multiple threads to hold (:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-29</id>
+															<id>-17</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>:) and supports the (:link </string>
+													<string>:) references to the same exception object.
* It is illegal for multiple threads to modify the same (:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-66</id>
+															<id>-17</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>:) functionality.
</string>
-												</container>
-											</pair>
-											<pair>
-												<weak_ptr>
-													<expired>0</expired>
-													<shared_ptr>
-														<id>-19</id>
-													</shared_ptr>
-												</weak_ptr>
-												<container>
-													<size>11</size>
-													<variant>2</variant>
-													<string>(:auto !!:)

Boost Exception supports transporting of exception objects between threads through cloning. This system is similar to (:link http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2007/n2179.html|N2179:), but because Boost Exception can not rely on language support, the use of (:link </string>
+													<string>:) object concurrently.
* While calling (:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-18</id>
+															<id>-22</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>:) at the time of the throw is required in order to use cloning.

!!!!Note:

All exceptions emitted by the familiar function boost::(:link </string>
+													<string>:) makes a copy of the current exception object, it is still possible for the two copies to share internal state. Therefore, in general it is not safe to call (:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-65</id>
+															<id>-36</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>:) are guaranteed to derive from boost::(:link </string>
+													<string>:) concurrently to throw the same exception object into multiple threads.

!!!!Nesting of exceptions:

An (:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-29</id>
+															<id>-17</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>:) and to support cloning.

(:include </string>
+													<string>:) can be added as (:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-35</id>
+															<id>-5</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>:)
(:include </string>
+													<string>:) to any boost::(:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-14</id>
+															<id>-30</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>:)
</string>
+													<string>:). This is a convenient way to nest exceptions. There is no limit on the depth of the nesting, however cyclic references result in undefined behavior.
</string>
                                                                                                 </container>
                                                                                         </pair>
                                                                                         <pair>
                                                                                                 <weak_ptr>
                                                                                                         <expired>0</expired>
                                                                                                         <shared_ptr>
-														<id>-20</id>
+														<id>-18</id>
                                                                                                         </shared_ptr>
                                                                                                 </weak_ptr>
                                                                                                 <container>
-													<size>9</size>
+													<size>79</size>
                                                                                                         <variant>2</variant>
-													<string>(:auto !!!:)

(:include synopsis:)

This </string>
+													<string>(:auto !!:)

!!!Why doesn't boost::exception derive from std::exception?

Despite that (:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-43</id>
+															<id>-69</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string> typedef is used by </string>
+													<string>|virtual inheritance should be used in deriving from base exception types:), many programmers fail to follow this principle when deriving from std::exception. If boost::(:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-74</id>
+															<id>-30</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string> if it defaults to returning an </string>
+													<string>:) derives from std::exception, using the (:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-66</id>
+															<id>-38</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string> that refers to an object of type </string>
+													<string>:) function with such user-defined types would introduce dangerous ambiguity which would break all catch(std::exception &) statements.

Of course, boost::(:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-11</id>
-														</shared_ptr>
-													</weak_ptr>
-													<variant>2</variant>
-													<string>, to record in it the std::type_info of the original exception object.</string>
-												</container>
-											</pair>
-											<pair>
-												<weak_ptr>
-													<expired>0</expired>
-													<shared_ptr>
-														<id>-21</id>
-													</shared_ptr>
-												</weak_ptr>
-												<container>
-													<size>1</size>
-													<variant>2</variant>
-													<string>(:auto !!:)

(:pagelist fmt="index" tags="function":)
</string>
-												</container>
-											</pair>
-											<pair>
-												<weak_ptr>
-													<expired>0</expired>
-													<shared_ptr>
-														<id>-22</id>
-													</shared_ptr>
-												</weak_ptr>
-												<container>
-													<size>5</size>
+															<id>-30</id>
+														</shared_ptr>
+													</weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>(:auto !!!:)

(:include synopsis:)

This type is designed to be used as a standard </string>
+													<string>:) should not be used to replace std::exception as a base type in exception type hierarchies. Instead, it should be included as a virtual base, in addition to std::exception (which should also be derived virtually.)

!!!Why is boost::exception abstract?

To prevent exception-neutral contexts from erroneously erasing the type of the original exception when adding (:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-43</id>
+															<id>-5</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string> instance for transporting strings returned by std::type_info::name in exceptions deriving from boost::</string>
+													<string>:) to an active exception object:

[@catch( boost::(:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-29</id>
+															<id>-30</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string> objects.</string>
-												</container>
-											</pair>
-											<pair>
-												<weak_ptr>
-													<expired>0</expired>
-													<shared_ptr>
-														<id>-23</id>
-													</shared_ptr>
-												</weak_ptr>
-												<container>
-													<size>5</size>
-													<variant>2</variant>
-													<string>(:auto !!!:)

(:include synopsis:)

This type is designed to be used as a standard </string>
+													<string>:) & e )
    {
    e (:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-43</id>
+															<id>-50</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string> instance for transporting the string passed as a second argument to fopen in exceptions indicating fopen failures and deriving from boost::</string>
+													<string>|<<:) foo_info(foo);
    throw e; //Compile error: boost::(:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-29</id>
+															<id>-30</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>.</string>
-												</container>
-											</pair>
-											<pair>
-												<weak_ptr>
-													<expired>0</expired>
-													<shared_ptr>
-														<id>-24</id>
-													</shared_ptr>
-												</weak_ptr>
-												<container>
-													<size>5</size>
-													<variant>2</variant>
-													<string>(:auto !!!:)

(:include synopsis:)

This type is designed to be used as a standard </string>
+													<string>:) is abstract
    }@]

The correct code is:

[@catch( boost::(:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-43</id>
+															<id>-30</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string> instance for transporting a relevant FILE pointer managed by a boost::shared_ptr<FILE> in exceptions deriving from boost::</string>
+													<string>:) & e )
    {
    e (:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-29</id>
+															<id>-50</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>.</string>
-												</container>
-											</pair>
-											<pair>
-												<weak_ptr>
-													<expired>0</expired>
-													<shared_ptr>
-														<id>-25</id>
-													</shared_ptr>
-												</weak_ptr>
-												<container>
-													<size>5</size>
-													<variant>2</variant>
-													<string>(:auto !!!:)

(:include synopsis:)

This type is designed to be used as a standard </string>
+													<string>|<<:) foo_info(foo);
    throw; //Okay, re-throwing the original exception object.
    }@]

!!!What is the space overhead of the boost::exception base class?

The space overhead for the boost::exception data members is negligible in the context of exception handling. Throwing objects that derive from boost::(:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-43</id>
+															<id>-30</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string> instance for transporting a relevant errno value in exceptions deriving from boost::</string>
+													<string>:) does not by itself cause dynamic memory allocations.

Deriving from boost::(:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-29</id>
+															<id>-30</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>.</string>
-												</container>
-											</pair>
-											<pair>
-												<weak_ptr>
-													<expired>0</expired>
-													<shared_ptr>
-														<id>-26</id>
-													</shared_ptr>
-												</weak_ptr>
-												<container>
-													<size>7</size>
+													<string>:) enables any data to be added to exceptions, which usually does allocate memory. However, this memory is reclaimed when the exception has been handled, and since typically user code does not allocate memory during the unrolling of the stack, adding error info to exceptions should not cause memory fragmentation.

!!!Should I use boost::throw_exception or BOOST_THROW_EXCEPTION or just throw?

The benefit of calling boost::(:link </string>
+													<variant>1</variant>
+													<weak_ptr>
+														<expired>0</expired>
+														<shared_ptr>
+															<id>-35</id>
+														</shared_ptr>
+													</weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>(:auto !!!:)

(:include synopsis:)

!!!!Requirements:

E must be boost::(:link </string>
+													<string>:) instead of using throw directly is that it ensures that the emitted exception derives from boost::(:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-29</id>
+															<id>-30</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>:), or a type that derives (indirectly) from boost::(:link </string>
+													<string>:) and that it is compatible with boost::(:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-29</id>
+															<id>-22</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>:).

!!!!Postcondition:

A copy of v is stored into x. If x already contains data of type (:link </string>
+													<string>:).

The (:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-43</id>
+															<id>-28</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>:)<Tag,T>, that data is overwritten. Basic exception safety guarantee.

!!!!Returns:

x.

(:include throws:)
</string>
-												</container>
-											</pair>
-											<pair>
-												<weak_ptr>
-													<expired>0</expired>
-													<shared_ptr>
-														<id>-27</id>
-													</shared_ptr>
-												</weak_ptr>
-												<container>
-													<size>13</size>
+													<string>:) macro also results in a call to boost::(:link </string>
+													<variant>1</variant>
+													<weak_ptr>
+														<expired>0</expired>
+														<shared_ptr>
+															<id>-35</id>
+														</shared_ptr>
+													</weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>(:auto !!!:)

(:include synopsis:)

!!!!Requirements:

* ErrorInfo must be an instance of the (:link </string>
+													<string>:), but in addition it records in the exception object the __FILE__ and __LINE__ of the throw, as well as the pretty name of the function that throws. This has virtually no overhead, yet enables boost::(:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-43</id>
+															<id>-74</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>:) template.
* E must be polymorphic.

!!!!Returns:

* If dynamic_cast<boost::(:link </string>
+													<string>:) to compose a more useful, if not user-friendly message.

Typical use of boost::(:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-29</id>
+															<id>-74</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>:) const *>(&x) is 0, or if x does not store an object of type ErrorInfo, the returned value is null.
* Otherwise, the returned pointer points to the stored value (use (:link </string>
+													<string>:) is:

[@catch( boost::exception & e )
    {
    std::cerr << "OMG!" << boost::diagnostic_information(e);
    }
catch( ... )
    {
    std::cerr << "OMG!!!";
    }@]

This is a possible message it may display, the first line is only possible if (:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-26</id>
+															<id>-28</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string> mod="/":) to store values in exception objects.) When x is destroyed, any pointers returned by (:link </string>
+													<string>:) is used:

[@example_io.cpp(70): Throw in function class boost::shared_ptr<struct _iobuf> __cdecl my_fopen(const char *,const char *)
Dynamic exception type: class boost::exception_detail::clone_impl<class fopen_error>
std::exception::what: example_io error
[struct boost::(:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-27</id>
+															<id>-47</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>:) become invalid.

!!!!Throws:

Nothing.

!!!!Note:

The interface of (:link </string>
+													<string>:)_ *] = fopen
[struct boost::(:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-27</id>
+															<id>-32</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>:) may be affected by the build (:link </string>
+													<string>:)_ *] = 2, "No such file or directory"
[struct boost::(:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-17</id>
+															<id>-25</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>:).
</string>
-												</container>
-											</pair>
-											<pair>
-												<weak_ptr>
-													<expired>0</expired>
-													<shared_ptr>
-														<id>-28</id>
-													</shared_ptr>
-												</weak_ptr>
-												<container>
-													<size>71</size>
+													<string>:)_ *] = tmp1.txt
[struct boost::(:link </string>
+													<variant>1</variant>
+													<weak_ptr>
+														<expired>0</expired>
+														<shared_ptr>
+															<id>-76</id>
+														</shared_ptr>
+													</weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>(:auto !!:)

!!!Why doesn't boost::exception derive from std::exception?

Despite that (:link </string>
+													<string>:)_ *] = rb@]
!!!Why is boost::exception integrated in boost::throw_exception?

The boost::(:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-41</id>
+															<id>-35</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>|virtual inheritance should be used in deriving from base exception types:), many programmers fail to follow this principle when deriving from std::exception. If boost::(:link </string>
+													<string>:) function predates the Boost Exception library and there has been some concern about its current behavior of injecting boost::(:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-29</id>
+															<id>-30</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>:) derives from std::exception, using the (:link </string>
+													<string>:) as a base of any exception passed to boost::(:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-9</id>
+															<id>-35</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>:) function with such user-defined types would introduce dangerous ambiguity which would break all catch(std::exception &) statements.

Of course, boost::(:link </string>
+													<string>:). Such concerns are dictated by the typical strict interpretation of a common principle in C and C++, that users only pay for features they actually use.

The problem is that users of Boost Exception can't by themselves cause a library to throw types that derive from boost::(:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-29</id>
+															<id>-30</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>:) should not be used to replace std::exception as a base type in exception type hierarchies. Instead, it should be included as a virtual base, in addition to std::exception (which should also be derived virtually.)

!!!Why is boost::exception abstract?

To prevent exception-neutral contexts from erroneously erasing the type of the original exception when adding (:link </string>
+													<string>:), and without this they can't use any of the Boost Exception facilities.

For example, if a user wants to use Boost Serialization in a separate thread, it is desirable to be able to transport exceptions emitted by that library into the main thread where they can be analyzed to generate a user-friendly message. This can be easily achieved using boost::(:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-43</id>
+															<id>-17</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>:) to an active exception object:

[@catch( boost::(:link </string>
+													<string>:), but this requires that Boost Serialization throws exceptions using boost::(:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-29</id>
+															<id>-49</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>:) & e )
    {
    e (:link </string>
+													<string>:). If Boost Serialization calls boost::(:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-26</id>
+															<id>-35</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>|<<:) foo_info(foo);
    throw e; //Compile error: boost::(:link </string>
+													<string>:) to throw, this behavior happens automatically and transparently.

The cost of this integration is:

* In terms of space: a pointer and 3 ints are added to the static size of exception objects.
* In terms of speed: the pointer is initialized to null at the point of the throw.
* In terms of coupling: about 400 self-contained lines of C++ with no external includes.

!!!Why use operator<< overload for adding info to exceptions?

Before throwing an object of type that derives from boost::(:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-29</id>
+															<id>-30</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>:) is abstract
    }@]

The correct code is:

[@catch( boost::(:link </string>
+													<string>:), it is often desirable to add one or more (:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-29</id>
+															<id>-5</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>:) & e )
    {
    e (:link </string>
+													<string>:) objects in it. The syntactic sugar provided by (:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-26</id>
+															<id>-50</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>|<<:) foo_info(foo);
    throw; //Okay, re-throwing the original exception object.
    }@]

!!!What is the space overhead of the boost::exception base class?

The space overhead for the boost::exception data members is negligible in the context of exception handling. Throwing objects that derive from boost::(:link </string>
+													<string>:) allows this to be done directly in a throw expression:

[@throw error() (:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-29</id>
+															<id>-50</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>:) does not by itself cause dynamic memory allocations.

Deriving from boost::(:link </string>
+													<string>|<<:) foo_info(foo) (:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-29</id>
+															<id>-50</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>:) enables any data to be added to exceptions, which usually does allocate memory. However, this memory is reclaimed when the exception has been handled, and since typically user code does not allocate memory during the unrolling of the stack, adding error info to exceptions should not cause memory fragmentation.

!!!Should I use boost::throw_exception or BOOST_THROW_EXCEPTION or just throw?

The benefit of calling boost::(:link </string>
+													<string>|<<:) bar_info(bar);@]

which saves typing compared to this possible alternative:

[@error e;
e.add(foo_info(foo));
e.add(bar_info(bar));
throw e;@]

and looks better than something like:

[@throw error().add(foo_info(foo)).add(bar_info(bar));@]

!!!Why is operator<< allowed to throw?

This question is referring to the following issue. Consider this throw statement example:

[@throw file_open_error() (:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-65</id>
+															<id>-50</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>:) instead of using throw directly is that it ensures that the emitted exception derives from boost::(:link </string>
+													<string>|<<:) file_name(fn);@]

The intention here is to throw a file_open_error, however if (:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-29</id>
+															<id>-50</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>:) and that it is compatible with boost::(:link </string>
+													<string> mod="/":) fails to copy the std::string contained in the file_name (:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-74</id>
+															<id>-5</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>:).

The (:link </string>
+													<string>:) wrapper, a std::bad_alloc could propagate instead. This behavior seems undesirable to some programmers.

Bjarne Stroustrup, The C++ Programming Language, 3rd Edition, page 371:

->''"Throwing an exception requires an object to throw.  A C++ implementation is required to have enough spare memory to be able to throw bad_alloc in case of memory exhaustion.  However, it is possible that throwing some other exception will cause memory exhaustion."''

So, an attempt to throw any exception may already result in propagating std::bad_alloc instead.
</string>
+												</container>
+											</pair>
+											<pair>
+												<weak_ptr>
+													<expired>0</expired>
+													<shared_ptr>
+														<id>-19</id>
+													</shared_ptr>
+												</weak_ptr>
+												<container>
+													<size>1</size>
+													<variant>2</variant>
+													<string>(:auto !!:)

!!!Synopsis

(:include synopsis:)
</string>
+												</container>
+											</pair>
+											<pair>
+												<weak_ptr>
+													<expired>0</expired>
+													<shared_ptr>
+														<id>-20</id>
+													</shared_ptr>
+												</weak_ptr>
+												<container>
+													<size>9</size>
+													<variant>2</variant>
+													<string>(:auto !!!:)

(:include synopsis:)

This </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-7</id>
+															<id>-5</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>:) macro also results in a call to boost::(:link </string>
+													<string> typedef is used by </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-65</id>
+															<id>-22</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>:), but in addition it records in the exception object the __FILE__ and __LINE__ of the throw, as well as the pretty name of the function that throws. This has virtually no overhead, yet enables boost::(:link </string>
+													<string> if it defaults to returning an </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-40</id>
+															<id>-17</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>:) to compose a more useful, if not user-friendly message.

Typical use of boost::(:link </string>
+													<string> that refers to an object of type </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-40</id>
+															<id>-65</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>:) is:

[@catch( boost::exception & e )
    {
    std::cerr << "OMG!" << boost::diagnostic_information(e);
    }
catch( ... )
    {
    std::cerr << "OMG!!!";
    }@]

This is a possible message it may display, the first line is only possible if (:link </string>
+													<string>, to record in it the std::type_info of the original exception object.</string>
+												</container>
+											</pair>
+											<pair>
+												<weak_ptr>
+													<expired>0</expired>
+													<shared_ptr>
+														<id>-21</id>
+													</shared_ptr>
+												</weak_ptr>
+												<container>
+													<size>1</size>
+													<variant>2</variant>
+													<string>(:auto !:)

This is an alphabetical list of all Boost Exception documentation pages.

(:pagelist fmt="index" except_tags="index noindex" mod="w":)
</string>
+												</container>
+											</pair>
+											<pair>
+												<weak_ptr>
+													<expired>0</expired>
+													<shared_ptr>
+														<id>-22</id>
+													</shared_ptr>
+												</weak_ptr>
+												<container>
+													<size>33</size>
+													<variant>2</variant>
+													<string>(:auto !!!:)

(:include synopsis:)

!!!!Requirements:

The (:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-7</id>
+															<id>-22</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>:) is used:

[@example_io.cpp(83): Throw in function void parse_file(const char *)
Dynamic exception type: class file_open_error
std::exception::what: example_io error
[struct tag_errno_code *] = 2, OS says "No such file or directory"
[struct tag_file_name *] = tmp1.xml
[struct tag_function *] = fopen
[struct tag_open_mode *] = rb@]
!!!Why is boost::exception integrated in boost::throw_exception?

The boost::(:link </string>
+													<string>:) function must not be called outside of a catch block.

!!!!Returns:

* An (:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-65</id>
+															<id>-17</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>:) function predates the Boost Exception library and there has been some concern about its current behavior of injecting boost::(:link </string>
+													<string>:) that refers to the currently handled exception or a copy of the currently handled exception.
* If the function needs to allocate memory and the attempt fails, it returns an (:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-29</id>
+															<id>-17</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>:) as a base of any exception passed to boost::(:link </string>
+													<string>:) that refers to an instance of std::bad_alloc.

!!!!Throws:

Nothing.

!!!!Notes:

* It is unspecified whether the return values of two successive calls to (:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-65</id>
+															<id>-22</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>:). Such concerns are dictated by the typical strict interpretation of a common principle in C and C++, that users only pay for features they actually use.

The problem is that users of Boost Exception can't by themselves cause a library to throw types that derive from boost::(:link </string>
+													<string>:) refer to the same exception object.
* Correct implementation of (:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-29</id>
+															<id>-22</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>:), and without this they can't use any of the Boost Exception facilities.

For example, if a user wants to use Boost Serialization in a separate thread, it is desirable to be able to transport exceptions emitted by that library into the main thread where they can be analyzed to generate a user-friendly message. This can be easily achieved using boost::(:link </string>
+													<string>:) may require compiler support, unless (:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-66</id>
+															<id>-49</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>:), but this requires that Boost Serialization throws exceptions using boost::(:link </string>
+													<string>:) was used at the time the currently handled exception object was passed to throw. Whenever </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-18</id>
+															<id>-22</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>:). If Boost Serialization calls boost::(:link </string>
+													<string> fails to properly copy the current exception object, it returns an </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-65</id>
+															<id>-17</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>:) to throw, this behavior happens automatically and transparently.

The cost of this integration is:

* In terms of space: a pointer and 3 ints are added to the static size of exception objects.
* In terms of speed: the pointer is initialized to null at the point of the throw.
* In terms of coupling: about 400 self-contained lines of C++ with no external includes.

!!!Why use operator<< overload for adding info to exceptions?

Before throwing an object of type that derives from boost::(:link </string>
+													<string> to an object of type that is as close as possible to the original exception type, using </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-29</id>
+															<id>-65</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>:), it is often desirable to add one or more (:link </string>
+													<string> as a final fallback. All such types derive from boost::</string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-43</id>
+															<id>-30</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>:) objects in it. The syntactic sugar provided by (:link </string>
+													<string>, and:
** if the original exception object derives from boost::(:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-26</id>
+															<id>-30</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>:) allows this to be done directly in a throw expression:

[@throw error() (:link </string>
+													<string>:), then the boost::(:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-26</id>
+															<id>-30</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>|<<:) foo_info(foo) (:link </string>
+													<string>:) sub-object of the object referred to by the returned </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-26</id>
+															<id>-17</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>|<<:) bar_info(bar);@]

which saves typing compared to this possible alternative:

[@error e;
e.add(foo_info(foo));
e.add(bar_info(bar));
throw e;@]

and looks better than something like:

[@throw error().add(foo_info(foo)).add(bar_info(bar));@]

!!!Why is operator<< allowed to throw?

This question is referring to the following issue. Consider this throw statement example:

[@throw file_open_error() (:link </string>
+													<string> is initialized by the boost::(:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-26</id>
+															<id>-30</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>|<<:) file_name(fn);@]

The intention here is to throw a file_open_error, however if (:link </string>
+													<string>:) copy constructor;
** if available, the exception contains the std::type_info of the original exception object, accessible through </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-26</id>
+															<id>-23</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string> mod="/":) fails to copy the std::string contained in the file_name </string>
+													<string><</string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-43</id>
+															<id>-20</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string> wrapper, a std::bad_alloc could propagate instead. This behavior seems undesirable to some programmers.

Bjarne Stroustrup, The C++ Programming Language, 3rd Edition, page 371:

->''"Throwing an exception requires an object to throw.  A C++ implementation is required to have enough spare memory to be able to throw bad_alloc in case of memory exhaustion.  However, it is possible that throwing some other exception will cause memory exhaustion."''

So, an attempt to throw any exception may already result in propagating std::bad_alloc instead.
</string>
+													<string>>.
</string>
                                                                                                 </container>
                                                                                         </pair>
                                                                                         <pair>
                                                                                                 <weak_ptr>
                                                                                                         <expired>0</expired>
                                                                                                         <shared_ptr>
-														<id>-29</id>
+														<id>-23</id>
                                                                                                         </shared_ptr>
                                                                                                 </weak_ptr>
                                                                                                 <container>
                                                                                                         <size>13</size>
                                                                                                         <variant>2</variant>
-													<string>(:auto !!!:)

(:include synopsis:)

Class boost::(:link </string>
+													<string>(:auto !!!:)

(:include synopsis:)

!!!!Requirements:

* ErrorInfo must be an instance of the (:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-29</id>
+															<id>-5</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>:) is designed to be used as a universal base for user-defined exception types.

An object of any type deriving from boost::(:link </string>
+													<string>:) template.
* E must be polymorphic.

!!!!Returns:

* If dynamic_cast<boost::(:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-29</id>
+															<id>-30</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>:) can store data of arbitrary types, using the (:link </string>
+													<string>:) const *>(&x) is 0, or if x does not store an object of type ErrorInfo, the returned value is null.
* Otherwise, the returned pointer points to the stored value (use (:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-43</id>
+															<id>-50</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>:) wrapper and (:link </string>
+													<string> mod="/":) to store values in exception objects.) When x is destroyed, any pointers returned by (:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-26</id>
+															<id>-23</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string> mod="/":).

To retrieve data from a boost::(:link </string>
+													<string>:) become invalid.

!!!!Throws:

Nothing.

!!!!Note:

The interface of (:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-29</id>
+															<id>-23</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>:) object, use the (:link </string>
+													<string>:) may be affected by the build (:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-27</id>
+															<id>-6</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>:) function template.
</string>
+													<string>:).
</string>
                                                                                                 </container>
                                                                                         </pair>
                                                                                         <pair>
                                                                                                 <weak_ptr>
                                                                                                         <expired>0</expired>
                                                                                                         <shared_ptr>
-														<id>-30</id>
+														<id>-24</id>
                                                                                                         </shared_ptr>
                                                                                                 </weak_ptr>
                                                                                                 <container>
                                                                                                         <size>1</size>
                                                                                                         <variant>2</variant>
-													<string>(:auto !!!:)

!!!Synopsis

(:include synopsis:)
</string>
+													<string>(:auto !!:)

!!!Synopsis

(:include synopsis:)
</string>
                                                                                                 </container>
                                                                                         </pair>
                                                                                         <pair>
                                                                                                 <weak_ptr>
                                                                                                         <expired>0</expired>
                                                                                                         <shared_ptr>
-														<id>-31</id>
+														<id>-25</id>
                                                                                                         </shared_ptr>
                                                                                                 </weak_ptr>
                                                                                                 <container>
-													<size>1</size>
+													<size>5</size>
                                                                                                         <variant>2</variant>
-													<string>(:auto !!:)

!!!Synopsis

(:include synopsis:)
</string>
+													<string>(:auto !!!:)

(:include synopsis:)

This type is designed to be used as a standard </string>
+													<variant>1</variant>
+													<weak_ptr>
+														<expired>0</expired>
+														<shared_ptr>
+															<id>-5</id>
+														</shared_ptr>
+													</weak_ptr>
+													<variant>2</variant>
+													<string> instance for transporting a relevant file name in exceptions deriving from boost::</string>
+													<variant>1</variant>
+													<weak_ptr>
+														<expired>0</expired>
+														<shared_ptr>
+															<id>-30</id>
+														</shared_ptr>
+													</weak_ptr>
+													<variant>2</variant>
+													<string>.</string>
                                                                                                 </container>
                                                                                         </pair>
                                                                                         <pair>
                                                                                                 <weak_ptr>
                                                                                                         <expired>0</expired>
                                                                                                         <shared_ptr>
-														<id>-32</id>
+														<id>-26</id>
                                                                                                         </shared_ptr>
                                                                                                 </weak_ptr>
                                                                                                 <container>
-													<size>5</size>
+													<size>7</size>
                                                                                                         <variant>2</variant>
-													<string>(:auto !!!:)

(:include synopsis:)

This type is designed to be used as a standard </string>
+													<string>(:auto !!!:)

Deriving from boost::(:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-43</id>
+															<id>-30</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string> instance for transporting a relevant text file line number, for example in parse error exceptions deriving from boost::</string>
+													<string>:) effectively decouples the semantics of a failure from the information that is relevant to each individual instance of reporting a failure with a given semantic.

In other words: with boost::(:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-29</id>
+															<id>-30</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>.</string>
+													<string>:), what data a given exception object transports depends primarily on the context in which failures are reported (not on its type.) Since exception types need no members, it becomes very natural to throw exceptions that derive from more than one type to indicate multiple appropriate semantics:

[@struct exception_base: virtual std::exception, virtual boost::(:link </string>
+													<variant>1</variant>
+													<weak_ptr>
+														<expired>0</expired>
+														<shared_ptr>
+															<id>-30</id>
+														</shared_ptr>
+													</weak_ptr>
+													<variant>2</variant>
+													<string>:) { };
struct io_error: virtual exception_base { };
struct file_error: virtual io_error { };
struct read_error: virtual io_error { };
struct file_read_error: virtual file_error, virtual read_error { };@]

Using this approach, exception types become a simple tagging system for categorizing errors and selecting failures in exception handlers.
</string>
                                                                                                 </container>
                                                                                         </pair>
                                                                                         <pair>
                                                                                                 <weak_ptr>
                                                                                                         <expired>0</expired>
                                                                                                         <shared_ptr>
-														<id>-33</id>
+														<id>-27</id>
                                                                                                         </shared_ptr>
                                                                                                 </weak_ptr>
                                                                                                 <container>
                                                                                                         <size>1</size>
                                                                                                         <variant>2</variant>
-													<string>(:auto !!!:)

(:include synopsis:)

!!!!Precondition:

ep shall not be null.

!!!!Throws:



The exception to which ep refers.
</string>
+													<string>(:auto !!:)

!!!Synopsis

(:include synopsis:)
</string>
                                                                                                 </container>
                                                                                         </pair>
                                                                                         <pair>
                                                                                                 <weak_ptr>
                                                                                                         <expired>0</expired>
                                                                                                         <shared_ptr>
-														<id>-34</id>
+														<id>-28</id>
                                                                                                         </shared_ptr>
                                                                                                 </weak_ptr>
                                                                                                 <container>
-													<size>3</size>
+													<size>7</size>
                                                                                                         <variant>2</variant>
-													<string>(:auto !!!:)

(:include decl:)

!!!!Effects:



Frees all resources associated with a boost::(:link </string>
+													<string>(:auto !!!:)

(:include synopsis:)

This macro takes an exception object, records BOOST_CURRENT_FUNCTION, __FILE__ and __LINE__ in it, and forwards it to </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-29</id>
+															<id>-35</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>:) object.

!!!!Throws:



Nothing.
</string>
+													<string>. To recover this information at the catch site, use </string>
+													<variant>1</variant>
+													<weak_ptr>
+														<expired>0</expired>
+														<shared_ptr>
+															<id>-23</id>
+														</shared_ptr>
+													</weak_ptr>
+													<variant>2</variant>
+													<string>; the information is also included in the message returned by </string>
+													<variant>1</variant>
+													<weak_ptr>
+														<expired>0</expired>
+														<shared_ptr>
+															<id>-74</id>
+														</shared_ptr>
+													</weak_ptr>
+													<variant>2</variant>
+													<string>.
</string>
                                                                                                 </container>
                                                                                         </pair>
                                                                                         <pair>
                                                                                                 <weak_ptr>
                                                                                                         <expired>0</expired>
                                                                                                         <shared_ptr>
-														<id>-35</id>
+														<id>-29</id>
                                                                                                         </shared_ptr>
                                                                                                 </weak_ptr>
                                                                                                 <container>
-													<size>15</size>
+													<size>3</size>
                                                                                                         <variant>2</variant>
-													<string>(:auto !!!:)

Here is how cloning can be enabled in a throw-expression (15.1):

[@#include <(:link </string>
+													<string>(:auto !!!:)

(:include synopsis:)

!!!!Effects:

Stores a copy of v in the </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-31</id>
+															<id>-5</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>:)>
#include <(:link </string>
-													<variant>1</variant>
-													<weak_ptr>
-														<expired>0</expired>
-														<shared_ptr>
-															<id>-49</id>
-														</shared_ptr>
-													</weak_ptr>
+													<string> object.

(:include throws:)
</string>
+												</container>
+											</pair>
+											<pair>
+												<weak_ptr>
+													<expired>0</expired>
+													<shared_ptr>
+														<id>-30</id>
+													</shared_ptr>
+												</weak_ptr>
+												<container>
+													<size>13</size>
                                                                                                         <variant>2</variant>
-													<string>:)>
#include <stdio.h>
#include <errno.h>

struct file_read_error: virtual boost::(:link </string>
+													<string>(:auto !!!:)

(:include synopsis:)

Class boost::(:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-29</id>
+															<id>-30</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>:) { };

void
file_read( FILE * f, void * buffer, size_t size )
    {
    if( size!=fread(buffer,1,size,f) )
        throw boost::(:link </string>
+													<string>:) is designed to be used as a universal base for user-defined exception types.

An object of any type deriving from boost::(:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-18</id>
+															<id>-30</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>:)(file_read_error()) <<
            boost::(:link </string>
+													<string>:) can store data of arbitrary types, using the (:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-25</id>
+															<id>-5</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>:)(errno);
    }@]

Of course, (:link </string>
+													<string>:) wrapper and (:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-18</id>
+															<id>-50</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>:) may be used with any exception type; there is no requirement that it should derive from boost::(:link </string>
+													<string> mod="/":).

To retrieve data from a boost::(:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-29</id>
+															<id>-30</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>:).
</string>
-												</container>
-											</pair>
-											<pair>
-												<weak_ptr>
-													<expired>0</expired>
-													<shared_ptr>
-														<id>-36</id>
-													</shared_ptr>
-												</weak_ptr>
-												<container>
-													<size>3</size>
-													<variant>2</variant>
-													<string>(:auto !!:)

This header has been deprecated.

Please #include <</string>
+													<string>:) object, use the (:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-70</id>
+															<id>-23</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>> instead.</string>
+													<string>:) function template.
</string>
                                                                                                 </container>
                                                                                         </pair>
                                                                                         <pair>
                                                                                                 <weak_ptr>
                                                                                                         <expired>0</expired>
                                                                                                         <shared_ptr>
-														<id>-37</id>
+														<id>-31</id>
                                                                                                         </shared_ptr>
                                                                                                 </weak_ptr>
                                                                                                 <container>
                                                                                                         <size>1</size>
                                                                                                         <variant>2</variant>
-													<string>(:auto !:)

This is an alphabetical list of all Boost Exception documentation pages.

(:pagelist fmt="index" except_tags="index noindex" mod="w":)
</string>
+													<string>(:auto !!:)

(:pagelist tags="hpp" except_tags="noindex":)
</string>
                                                                                                 </container>
                                                                                         </pair>
                                                                                         <pair>
                                                                                                 <weak_ptr>
                                                                                                         <expired>0</expired>
                                                                                                         <shared_ptr>
-														<id>-38</id>
+														<id>-32</id>
                                                                                                         </shared_ptr>
                                                                                                 </weak_ptr>
                                                                                                 <container>
                                                                                                         <size>5</size>
                                                                                                         <variant>2</variant>
-													<string>(:auto !!!:)

(:include synopsis:)

This type is designed to be used as a standard </string>
+													<string>(:auto !!!:)

(:include synopsis:)

This type is designed to be used as a standard (:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-43</id>
+															<id>-5</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string> instance for transporting a relevant file name in exceptions deriving from boost::</string>
+													<string>:) instance for transporting a relevant errno value in exceptions deriving from boost::(:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-29</id>
+															<id>-30</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>.</string>
-												</container>
-											</pair>
-											<pair>
-												<weak_ptr>
-													<expired>0</expired>
-													<shared_ptr>
-														<id>-39</id>
-													</shared_ptr>
-												</weak_ptr>
-												<container>
-													<size>1</size>
-													<variant>2</variant>
-													<string>(:auto !!:)

!!!Synopsis

(:include synopsis:)
</string>
+													<string>:).
</string>
                                                                                                 </container>
                                                                                         </pair>
                                                                                         <pair>
                                                                                                 <weak_ptr>
                                                                                                         <expired>0</expired>
                                                                                                         <shared_ptr>
-														<id>-40</id>
+														<id>-33</id>
                                                                                                         </shared_ptr>
                                                                                                 </weak_ptr>
                                                                                                 <container>
-													<size>37</size>
+													<size>19</size>
                                                                                                         <variant>2</variant>
-													<string>(:auto !!!:)

(:include synopsis:)

!!!!Returns:

A string value that contains varying amount of implementation-specific diagnostic information about the passed object:

*If E can be statically converted to boost::(:link </string>
+													<string>(:auto !!!:)

The code snippet below demonstrates how boost::(:link http://www.boost.org/libs/tuple/doc/tuple_users_guide.html|tuple:) can be used to bundle the name of the function that failed, together with the reported errno so that they can be added to exception objects more conveniently together:

[@#include <(:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-29</id>
+															<id>-11</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>:), the returned value contains the string representations of all (:link </string>
+													<string>:)>
#include <(:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-43</id>
+															<id>-7</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>:) objects stored in the boost::(:link </string>
+													<string>:)>
#include <(:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-29</id>
+															<id>-58</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>:) through (:link </string>
+													<string>:)>
#include <(:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-26</id>
+															<id>-71</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string> mod="/":), along with other diagnostic information relevant to the exception. If e can be dynamically converted to std::exception, the returned value also contains the what() string.
*Otherwise, if E can be statically converted std::exception:
**if e can be dynamically converted to boost::exception, the returned value is the same as if E could be statically converted to boost::(:link </string>
+													<string>:)>
#include <boost/shared_ptr.hpp>
#include <stdio.h>
#include <string>
#include <errno.h>

typedef boost::(:link http://www.boost.org/libs/tuple/doc/tuple_users_guide.html|tuple:)<boost::(:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-29</id>
+															<id>-47</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>:);
**otherwise the returned value contains the what() string.
*Otherwise, the boost::(:link </string>
+													<string>:),boost::(:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-40</id>
+															<id>-32</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>:) template is not available.

The string representation of each (:link </string>
+													<string>:)> clib_failure;

struct file_open_error: virtual boost::(:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-43</id>
+															<id>-30</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>:) object is deduced by a function call that is bound at the time the (:link </string>
+													<string>:) { };

boost::shared_ptr<FILE>
file_open( char const * name, char const * mode )
    {
    if( FILE * f=fopen(name,mode) )
        return boost::shared_ptr<FILE>(f,fclose);
    else
        throw file_open_error() <<
            boost::(:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-43</id>
+															<id>-25</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>:)<Tag,T> template is instantiated. The following overload resolutions are attempted in order:

#Unqualified call to to_string(x), where x is of type (:link </string>
+													<string>:)(name) <<
            clib_failure("fopen",errno);
    }@]

Note that the members of a boost::(:link http://www.boost.org/libs/tuple/doc/tuple_users_guide.html|tuple:) are stored separately in exception objects; they can only be retrieved individually, using (:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-43</id>
+															<id>-23</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>:)<Tag,T> (the return value is expected to be of type std::string.)
#Unqualified call to to_string(x.(:link </string>
-													<variant>1</variant>
-													<weak_ptr>
-														<expired>0</expired>
-														<shared_ptr>
-															<id>-8</id>
-														</shared_ptr>
-													</weak_ptr>
+													<string>:).
</string>
+												</container>
+											</pair>
+											<pair>
+												<weak_ptr>
+													<expired>0</expired>
+													<shared_ptr>
+														<id>-34</id>
+													</shared_ptr>
+												</weak_ptr>
+												<container>
+													<size>1</size>
                                                                                                         <variant>2</variant>
-													<string> mod="m":)()) (the return value is expected to be of type std::string.)
#Unqualified call to s << x.(:link </string>
+													<string>(:auto !!:)

(:pagelist fmt="index" tags="type":)
</string>
+												</container>
+											</pair>
+											<pair>
+												<weak_ptr>
+													<expired>0</expired>
+													<shared_ptr>
+														<id>-35</id>
+													</shared_ptr>
+												</weak_ptr>
+												<container>
+													<size>17</size>
+													<variant>2</variant>
+													<string>(:auto !!!:)

(:include synopsis:)

!!!!Requirements:

E must derive publicly from std::exception.

!!!!Effects:

* If BOOST_NO_EXCEPTIONS is not defined, boost::(:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-8</id>
+															<id>-35</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string> mod="m":)(), where s is a std::ostringstream.

The first successfully bound function is used at the time (:link </string>
+													<string>:)(e) is equivalent to throw boost::(:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-40</id>
+															<id>-49</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>:) is called; if all 3 overload resolutions are unsuccessful, the system is unable to convert the (:link </string>
+													<string>:)(boost::(:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-43</id>
+															<id>-38</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>:) object to string, and ''an unspecified stub string value is used without issuing a compile error.''

The </string>
+													<string>:)(e)), unless BOOST_EXCEPTION_DISABLE is defined, in which case boost::(:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-66</id>
+															<id>-35</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string> overload of </string>
+													<string>:)(e) is equivalent to throw e;
* If BOOST_NO_EXCEPTIONS is defined, the function is left undefined, and the user is expected to supply an appropriate definition. Callers of (:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-40</id>
+															<id>-35</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string> is equivalent to:

[@if( p )
    try
        {
        </string>
+													<string>:) are allowed to assume that the function never returns; therefore, if the user-defined (:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-33</id>
+															<id>-35</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>(p);
        }
    catch(...)
        {
        return </string>
+													<string>:) returns, the behavior is undefined.

!!!!Note:

Under BOOST_NO_EXCEPTIONS, unless BOOST_EXCEPTION_DISABLE is also defined, users can examine the passed exception object using boost::</string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-42</id>
+															<id>-23</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>();
        }
else return <unspecified-string-value>;@]

!!!!Notes:

*The format of the returned string is unspecified.
*The returned string is ''not'' user-friendly.
*The returned string may include additional platform-specific diagnostic information.


(:include </string>
+													<string>, or format an automatic diagnostic message using boost::</string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-59</id>
+															<id>-74</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>:)
</string>
+													<string>.</string>
                                                                                                 </container>
                                                                                         </pair>
                                                                                         <pair>
                                                                                                 <weak_ptr>
                                                                                                         <expired>0</expired>
                                                                                                         <shared_ptr>
-														<id>-41</id>
+														<id>-36</id>
                                                                                                         </shared_ptr>
                                                                                                 </weak_ptr>
                                                                                                 <container>
-													<size>5</size>
-													<variant>2</variant>
-													<string>(:auto !!!:)

Exception types should use virtual inheritance when deriving from other exception types. This insight is due to Andrew Koenig. Using virtual inheritance prevents ambiguity problems in the exception handler:

[@#include <iostream>
struct my_exc1 : std::exception { char const* what() const throw(); };
struct my_exc2 : std::exception { char const* what() const throw(); };
struct your_exc3 : my_exc1, my_exc2 {};

int
main()
    {
    try { throw your_exc3(); }
    catch(std::exception const& e) {}
    catch(...) { std::cout << "whoops!" << std::endl; }
    }@]

The program above outputs "whoops!" because the conversion to std::exception is ambiguous.

The overhead introduced by virtual inheritance is always negligible in the context of exception handling. Note that virtual bases are initialized directly by the constructor of the most-derived-type (the type pass
ed to the throw statement, in case of exceptions.) However, typically this detail is of no concern when boost::(:link </string>
-													<variant>1</variant>
-													<weak_ptr>
-														<expired>0</expired>
-														<shared_ptr>
-															<id>-29</id>
-														</shared_ptr>
-													</weak_ptr>
-													<variant>2</variant>
-													<string>:) is used, because it enables exception types to be trivial structs with no members (there's nothing to initialize.) See (:link </string>
-													<variant>1</variant>
-													<weak_ptr>
-														<expired>0</expired>
-														<shared_ptr>
-															<id>-58</id>
-														</shared_ptr>
-													</weak_ptr>
+													<size>1</size>
                                                                                                         <variant>2</variant>
-													<string> mod="w":).
</string>
+													<string>(:auto !!!:)

(:include synopsis:)

!!!!Precondition:

ep shall not be null.

!!!!Throws:



The exception to which ep refers.
</string>
                                                                                                 </container>
                                                                                         </pair>
                                                                                         <pair>
                                                                                                 <weak_ptr>
                                                                                                         <expired>0</expired>
                                                                                                         <shared_ptr>
-														<id>-42</id>
+														<id>-37</id>
                                                                                                         </shared_ptr>
                                                                                                 </weak_ptr>
                                                                                                 <container>
-													<size>9</size>
-													<variant>2</variant>
-													<string>(:auto !!!:)

(:include synopsis:)

!!!!Requirements:

This function must not be called outside of a catch block.

!!!!Returns:

If the current exception object can be converted to boost::(:link </string>
-													<variant>1</variant>
-													<weak_ptr>
-														<expired>0</expired>
-														<shared_ptr>
-															<id>-29</id>
-														</shared_ptr>
-													</weak_ptr>
-													<variant>2</variant>
-													<string>:) or std::exception, this function returns the same string value returned by (:link </string>
-													<variant>1</variant>
-													<weak_ptr>
-														<expired>0</expired>
-														<shared_ptr>
-															<id>-40</id>
-														</shared_ptr>
-													</weak_ptr>
+													<size>5</size>
                                                                                                         <variant>2</variant>
-													<string>:) for the current exception object. Otherwise, an unspecified non-empty string is returned.

Typical use is to call </string>
+													<string>(:auto !!!:)

(:include synopsis:)

!!!!Effects:

As if

[@try
    {
    throw </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-42</id>
+															<id>-49</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string> from a top-level function to output diagnostic information about unhandled exceptions:

[@int
main()
    {
    try
        {
        run_program();
        }
    catch(
    error & e )
        {
        //handle error
        }
    catch(
    ...)
        {
        std::cerr << "Unhandled exception!" << std::endl <<
            boost::</string>
+													<string>(e);
    }
catch(...)
    {
    return (:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-42</id>
+															<id>-22</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>();
        }
    }@]
</string>
+													<string>:)();
    }@]
</string>
                                                                                                 </container>
                                                                                         </pair>
                                                                                         <pair>
                                                                                                 <weak_ptr>
                                                                                                         <expired>0</expired>
                                                                                                         <shared_ptr>
-														<id>-43</id>
+														<id>-38</id>
                                                                                                         </shared_ptr>
                                                                                                 </weak_ptr>
                                                                                                 <container>
-													<size>37</size>
-													<variant>2</variant>
-													<string>(:auto !!!:)

(:include synopsis:)

!!!!Requirements:

T must have accessible copy constructor and must not be a reference (there is no requirement that T's copy constructor does not throw.)

!!!!Description:

This class template is used to associate a Tag type with a value type T. Objects of type (:link </string>
-													<variant>1</variant>
-													<weak_ptr>
-														<expired>0</expired>
-														<shared_ptr>
-															<id>-43</id>
-														</shared_ptr>
-													</weak_ptr>
-													<variant>2</variant>
-													<string>:)<Tag,T> can be passed to (:link </string>
-													<variant>1</variant>
-													<weak_ptr>
-														<expired>0</expired>
-														<shared_ptr>
-															<id>-26</id>
-														</shared_ptr>
-													</weak_ptr>
+													<size>5</size>
                                                                                                         <variant>2</variant>
-													<string> mod="/":) to be stored in objects of type boost::(:link </string>
+													<string>(:auto !!!:)

(:include synopsis:)

!!!!Requirements:

T must be a class with an accessible no-throw copy constructor as per (15.5.1).

!!!!Returns:

* If T derives from boost::(:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-29</id>
+															<id>-30</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>:).

!!!!Usage:

The header <(:link </string>
+													<string>:), the returned object is of type T and is a copy of x.
* Otherwise, the returned object is of an unspecified type that derives publicly from both T and boost::(:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-16</id>
+															<id>-30</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>:)> provides a declaration of the (:link </string>
-													<variant>1</variant>
-													<weak_ptr>
-														<expired>0</expired>
-														<shared_ptr>
-															<id>-43</id>
-														</shared_ptr>
-													</weak_ptr>
+													<string>:). The T sub-object is initialized from x by the T copy constructor.

!!!!Throws:

Nothing.
</string>
+												</container>
+											</pair>
+											<pair>
+												<weak_ptr>
+													<expired>0</expired>
+													<shared_ptr>
+														<id>-39</id>
+													</shared_ptr>
+												</weak_ptr>
+												<container>
+													<size>27</size>
                                                                                                         <variant>2</variant>
-													<string>:) template, which is sufficient for the purpose of typedefing an instance for specific Tag and T, for example:

[@#include <(:link </string>
+													<string>(:auto !!:)

Some exception hierarchies can not be modified to make boost::(:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-16</id>
+															<id>-30</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>:)>

struct tag_errno;
typedef boost::(:link </string>
+													<string>:) a base type. In this case, the (:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-43</id>
+															<id>-38</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>:)<tag_errno,int> errno_info;@]

Or, the shorter equivalent:

[@#include <(:link </string>
+													<string>:) function template can be used to make exception objects derive from boost::(:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-16</id>
+															<id>-30</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>:)>

typedef boost::(:link </string>
+													<string>:) anyway. Here is an example:

[@#include <(:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-43</id>
+															<id>-40</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>:)<struct tag_errno,int> errno_info;@]

This errno_info typedef can be passed to (:link </string>
+													<string>:)>
#include <stdexcept>

typedef boost::(:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-26</id>
+															<id>-5</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string> mod="/":) (#include <(:link </string>
+													<string>:)<struct tag_std_range_min,size_t> std_range_min;
typedef boost::(:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-31</id>
+															<id>-5</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>:)> first) to store an int named tag_errno in exceptions of types that derive from boost::(:link </string>
+													<string>:)<struct tag_std_range_max,size_t> std_range_max;
typedef boost::(:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-29</id>
+															<id>-5</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>:):

[@throw file_read_error() (:link </string>
+													<string>:)<struct tag_std_range_index,size_t> std_range_index;

template <class T>
class
my_container
    {
    public:

    size_t size() const;

    T const &
    operator[]( size_t i ) const
        {
        if( i > size() )
            throw boost::(:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-26</id>
+															<id>-38</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>|<<:) errno_info(errno);@]

It can also be passed to (:link </string>
+													<string>:)(std::range_error("Index out of range")) <<
                std_range_min(0) <<
                std_range_max(size()) <<
                std_range_index(i);
        //....
        }
    };
@]

The call to (:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-27</id>
+															<id>-38</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>:) (#include <(:link </string>
+													<string>:)<T> gets us an object of ''unspecified type'' which is guaranteed to derive from both boost::(:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-12</id>
+															<id>-30</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>:)> first) to retrieve the tag_errno int from a boost::(:link </string>
+													<string>:) and T. This makes it possible to use (:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-29</id>
+															<id>-50</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>:):

[@catch( boost::(:link </string>
+													<string> mod="/":) to store additional information in the exception object. The exception can be intercepted as T &, so existing exception handling will not break. It can also be intercepted as boost::(:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-29</id>
+															<id>-30</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>:) & x )
    {
    if( int const * e=boost::(:link </string>
+													<string>:) &, so that (:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-27</id>
+															<id>-10</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>:)<errno_info>(x) )
        ....
    }@]
</string>
-												</container>
-											</pair>
-											<pair>
-												<weak_ptr>
-													<expired>0</expired>
-													<shared_ptr>
-														<id>-44</id>
-													</shared_ptr>
-												</weak_ptr>
-												<container>
-													<size>1</size>
-													<variant>2</variant>
-													<string>(:auto !!:)

!!!Synopsis

(:include synopsis:)
</string>
-												</container>
-											</pair>
-											<pair>
-												<weak_ptr>
-													<expired>0</expired>
-													<shared_ptr>
-														<id>-45</id>
-													</shared_ptr>
-												</weak_ptr>
-												<container>
-													<size>1</size>
-													<variant>2</variant>
-													<string>(:auto !!:)

!!!Synopsis

(:include synopsis:)
</string>
-												</container>
-											</pair>
-											<pair>
-												<weak_ptr>
-													<expired>0</expired>
-													<shared_ptr>
-														<id>-46</id>
-													</shared_ptr>
-												</weak_ptr>
-												<container>
-													<size>1</size>
-													<variant>2</variant>
-													<string>(:auto !!:)

(:pagelist fmt="index" tags="type":)
</string>
+													<string>|more information can be added to the exception at a later time:).
</string>
                                                                                                 </container>
                                                                                         </pair>
                                                                                         <pair>
                                                                                                 <weak_ptr>
                                                                                                         <expired>0</expired>
                                                                                                         <shared_ptr>
-														<id>-47</id>
+														<id>-40</id>
                                                                                                         </shared_ptr>
                                                                                                 </weak_ptr>
                                                                                                 <container>
@@ -9154,7 +9261,7 @@
                                                                                                 <weak_ptr>
                                                                                                         <expired>0</expired>
                                                                                                         <shared_ptr>
-														<id>-48</id>
+														<id>-41</id>
                                                                                                         </shared_ptr>
                                                                                                 </weak_ptr>
                                                                                                 <container>
@@ -9167,485 +9274,412 @@
                                                                                                 <weak_ptr>
                                                                                                         <expired>0</expired>
                                                                                                         <shared_ptr>
-														<id>-49</id>
+														<id>-42</id>
                                                                                                         </shared_ptr>
                                                                                                 </weak_ptr>
                                                                                                 <container>
                                                                                                         <size>1</size>
                                                                                                         <variant>2</variant>
-													<string>(:auto !!:)

!!!Synopsis

(:include synopsis:)
</string>
-												</container>
-											</pair>
-											<pair>
-												<weak_ptr>
-													<expired>0</expired>
-													<shared_ptr>
-														<id>-50</id>
-													</shared_ptr>
-												</weak_ptr>
-												<container>
-													<size>7</size>
-													<variant>2</variant>
-													<string>(:auto !!!:)

(:include decl:)

!!!!Effects:

* Default constructor: initializes an empty boost::(:link </string>
-													<variant>1</variant>
-													<weak_ptr>
-														<expired>0</expired>
-														<shared_ptr>
-															<id>-29</id>
-														</shared_ptr>
-													</weak_ptr>
-													<variant>2</variant>
-													<string>:) object.
* Copy constructor: initializes a boost::(:link </string>
-													<variant>1</variant>
-													<weak_ptr>
-														<expired>0</expired>
-														<shared_ptr>
-															<id>-29</id>
-														</shared_ptr>
-													</weak_ptr>
-													<variant>2</variant>
-													<string>:) object which shares ownership with x of all data added through (:link </string>
-													<variant>1</variant>
-													<weak_ptr>
-														<expired>0</expired>
-														<shared_ptr>
-															<id>-26</id>
-														</shared_ptr>
-													</weak_ptr>
-													<variant>2</variant>
-													<string> mod="/":), including data that is added at a future time.

!!!!Throws:

Nothing.
</string>
+													<string>(:auto !!!:)

!!!Synopsis

(:include synopsis:)
</string>
                                                                                                 </container>
                                                                                         </pair>
                                                                                         <pair>
                                                                                                 <weak_ptr>
                                                                                                         <expired>0</expired>
                                                                                                         <shared_ptr>
-														<id>-51</id>
+														<id>-43</id>
                                                                                                         </shared_ptr>
                                                                                                 </weak_ptr>
                                                                                                 <container>
                                                                                                         <size>3</size>
                                                                                                         <variant>2</variant>
-													<string>(:auto !!!:)

(:include synopsis:)

!!!!Effects:

Stores a copy of v in the </string>
+													<string>(:auto !!!:)

(:include decl:)

!!!!Effects:



Frees all resources associated with a boost::(:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-43</id>
+															<id>-30</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string> object.

(:include throws:)
</string>
+													<string>:) object.

!!!!Throws:



Nothing.
</string>
                                                                                                 </container>
                                                                                         </pair>
                                                                                         <pair>
                                                                                                 <weak_ptr>
                                                                                                         <expired>0</expired>
                                                                                                         <shared_ptr>
-														<id>-52</id>
+														<id>-44</id>
                                                                                                         </shared_ptr>
                                                                                                 </weak_ptr>
                                                                                                 <container>
                                                                                                         <size>1</size>
                                                                                                         <variant>2</variant>
-													<string>(:auto !!:)

!!!Synopsis

(:include synopsis:)
</string>
+													<string>(:auto !!:)

(:pagelist tags="macro":)
</string>
                                                                                                 </container>
                                                                                         </pair>
                                                                                         <pair>
                                                                                                 <weak_ptr>
                                                                                                         <expired>0</expired>
                                                                                                         <shared_ptr>
-														<id>-53</id>
+														<id>-45</id>
                                                                                                         </shared_ptr>
                                                                                                 </weak_ptr>
                                                                                                 <container>
-													<size>11</size>
-													<variant>2</variant>
-													<string>(:auto !!:)

All exception types that derive from boost::(:link </string>
-													<variant>1</variant>
-													<weak_ptr>
-														<expired>0</expired>
-														<shared_ptr>
-															<id>-29</id>
-														</shared_ptr>
-													</weak_ptr>
-													<variant>2</variant>
-													<string>:) can be used as type-safe containers of arbitrary data objects, while complying with the no-throw requirements (15.5.1) of the ANSI C++ standard for exception types.

When exceptions derive from boost::(:link </string>
-													<variant>1</variant>
-													<weak_ptr>
-														<expired>0</expired>
-														<shared_ptr>
-															<id>-29</id>
-														</shared_ptr>
-													</weak_ptr>
-													<variant>2</variant>
-													<string>:), arbitrary data can be added to exception objects:

*At the point of the throw;
*At a later time as exceptions bubble up the call stack.

(:include </string>
-													<variant>1</variant>
-													<weak_ptr>
-														<expired>0</expired>
-														<shared_ptr>
-															<id>-10</id>
-														</shared_ptr>
-													</weak_ptr>
-													<variant>2</variant>
-													<string>:)
(:include </string>
-													<variant>1</variant>
-													<weak_ptr>
-														<expired>0</expired>
-														<shared_ptr>
-															<id>-56</id>
-														</shared_ptr>
-													</weak_ptr>
-													<variant>2</variant>
-													<string>:)
(:include </string>
-													<variant>1</variant>
-													<weak_ptr>
-														<expired>0</expired>
-														<shared_ptr>
-															<id>-60</id>
-														</shared_ptr>
-													</weak_ptr>
+													<size>1</size>
                                                                                                         <variant>2</variant>
-													<string>:)
</string>
+													<string>(:auto !!!:)

(:include synopsis:)

!!!!Requirements:

This function must not be called outside of a catch block.

!!!!Returns:

A pointer of type E to the current exception object, or null if the current exception object can not be converted to E *.

!!!!Throws:

Nothing.
</string>
                                                                                                 </container>
                                                                                         </pair>
                                                                                         <pair>
                                                                                                 <weak_ptr>
                                                                                                         <expired>0</expired>
                                                                                                         <shared_ptr>
-														<id>-54</id>
+														<id>-46</id>
                                                                                                         </shared_ptr>
                                                                                                 </weak_ptr>
                                                                                                 <container>
                                                                                                         <size>1</size>
                                                                                                         <variant>2</variant>
-													<string>(:auto !!:)

!!!Synopsis

(:include synopsis:)
</string>
+													<string>(:auto !!:)

(:pagelist fmt="index" tags="function":)
</string>
                                                                                                 </container>
                                                                                         </pair>
                                                                                         <pair>
                                                                                                 <weak_ptr>
                                                                                                         <expired>0</expired>
                                                                                                         <shared_ptr>
-														<id>-55</id>
+														<id>-47</id>
                                                                                                         </shared_ptr>
                                                                                                 </weak_ptr>
                                                                                                 <container>
-													<size>69</size>
-													<variant>2</variant>
-													<string>!!Introduction

The purpose of Boost Exception is to ease the design of exception class hierarchies and to help write exception handling and error reporting code.

It supports transporting of arbitrary data to the catch site, which is otherwise tricky due to the no-throw requirements (15.5.1) for exception types. Data can be added to any exception object, either directly in the throw-expression (15.1), or at a later time as the exception object propagates up the call stack.

The ability to add data to exception objects after they have been passed to throw is important, because often some of the information needed to handle an exception is unavailable in the context where the failure is detected. 

Boost Exception also supports (:link http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2007/n2179.html|N2179:)-style (:link </string>
-													<variant>1</variant>
-													<weak_ptr>
-														<expired>0</expired>
-														<shared_ptr>
-															<id>-19</id>
-														</shared_ptr>
-													</weak_ptr>
-													<variant>2</variant>
-													<string>|copying:) of exception objects, implemented non-intrusively and automatically by the boost::(:link </string>
-													<variant>1</variant>
-													<weak_ptr>
-														<expired>0</expired>
-														<shared_ptr>
-															<id>-65</id>
-														</shared_ptr>
-													</weak_ptr>
+													<size>5</size>
                                                                                                         <variant>2</variant>
-													<string>:) function.

!!Contents

#(:link </string>
+													<string>(:auto !!!:)

(:include synopsis:)

This type is designed to be used as a standard </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-64</id>
+															<id>-5</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>:)
#Tutorial
##(:link </string>
+													<string> instance for transporting the name of a relevant API function (which does not use exceptions to report errors) in exceptions deriving from boost::</string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-53</id>
+															<id>-30</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string> mod="w":)
##(:link </string>
-													<variant>1</variant>
-													<weak_ptr>
-														<expired>0</expired>
-														<shared_ptr>
-															<id>-6</id>
-														</shared_ptr>
-													</weak_ptr>
+													<string>.</string>
+												</container>
+											</pair>
+											<pair>
+												<weak_ptr>
+													<expired>0</expired>
+													<shared_ptr>
+														<id>-48</id>
+													</shared_ptr>
+												</weak_ptr>
+												<container>
+													<size>33</size>
                                                                                                         <variant>2</variant>
-													<string> mod="w":)
##(:link </string>
+													<string>(:auto !!!:)

Traditionally, when using exceptions to report failures, the throw site:

*creates an exception object of the appropriate type, and
*stuffs it with data relevant to the detected error.

A higher context in the program contains a catch statement which:

*selects failures based on exception types, and
*inspects exception objects for data required to deal with the problem.

The main issue with this "traditional" approach is that often, the data available at the point of the throw is insufficient for the catch site to handle the failure.

Here is an example of a catch statement:

[@catch( file_read_error & e )
    {
    std::cerr << e.file_name();
    }@]

And here is a possible matching throw:

[@void
read_file( FILE * f )
    {
    ....
    size_t nr=fread(buf,1,count,f);
    if( ferror(f) )
        throw file_read_error(???);
    ....&#
10;    }@]

Clearly, the problem is that the handler requires a file name but the read_file function does not have a file name to put in the exception object; all it has is a FILE pointer!

In an attempt to deal with this problem, we could modify read_file to accept a file name:

[@void
read_file( FILE * f, char const * name )
    {
    ....
    size_t nr=fread(buf,1,count,f);
    if( ferror(f) )
        throw file_read_error(name);
    ....
    }@]

This is not a real solution: it simply shifts the burden of supplying a file name to the immediate caller of the read_file function.

->''In general, the data required to handle a given library-emitted exception depends on the program that links to it. Many contexts between the throw and the catch may have relevant information which must be transported to the exception handler.''

!!!Exception wrapping

The idea of exception wrapping is to catch an exce
ption from a lower level function (such as the read_file function above), and throw a new exception object that contains the original exception (and also carries a file name.) This method seems to be particularly popular with C++ programmers with Java background.

Exception wrapping leads to the following problems:

*To wrap an exception object it must be copied, which may result in slicing.
*Wrapping is practically impossible to use in generic contexts.

The second point is actually special case of violating the exception neutrality principle. Most contexts in a program can not handle exceptions; such contexts should not interfere with the process of exception handling.

!!!The boost::exception solution

*Simply derive your exception types from boost::(:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-19</id>
+															<id>-30</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string> mod="w":)
##(:link </string>
+													<string>:).
*Confidently limit the throw site to provide only data that is available naturally.
*Use exception-neutral contexts between the throw and the catch to augment exceptions with more relevant data as they bubble up.

For example, in the throw statement below we only add the errno code, since this is the only failure-relevant information available in this context:

[@struct exception_base: virtual std::exception, virtual boost::(:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-58</id>
+															<id>-30</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string> mod="w":)
##(:link </string>
+													<string>:) { };
struct io_error: virtual exception_base { };
struct file_read_error: virtual io_error { };

typedef boost::(:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-41</id>
+															<id>-5</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string> mod="w":)
##(:link </string>
+													<string>:)<struct tag_errno_code,int> errno_code;

void
read_file( FILE * f )
    {
    ....
    size_t nr=fread(buf,1,count,f);
    if( ferror(f) )
        throw file_read_error() (:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-62</id>
+															<id>-50</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string> mod="w":)
#Documentation
##Class (:link </string>
+													<string>|<<:) errno_code(errno);
    ....
    }@]

In a higher exception-neutral context, we add the file name to ''any'' exception that derives from boost::(:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-29</id>
+															<id>-30</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>:)
##Throwing Exceptions
###(:link </string>
+													<string>:):

[@typedef boost::(:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-7</id>
+															<id>-5</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>:)
###(:link </string>
+													<string>:)<struct tag_file_name,std::string> file_name;

....
try
    {
    if( FILE * fp=fopen("foo.txt","rt") )
        {
        shared_ptr<FILE> f(fp,fclose);
        ....
        read_file(fp); //throws types deriving from boost::(:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-65</id>
+															<id>-30</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>:)
##Transporting of Arbitrary Data to the Catch Site
###(:link </string>
+													<string>:)
        do_something();
        ....
        }
    else
        throw file_open_error() (:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-43</id>
+															<id>-50</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>:)
###(:link </string>
+													<string>|<<:) errno_code(errno);
    }
catch( boost::(:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-26</id>
+															<id>-30</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>:)
###(:link </string>
+													<string>:) & e )
    {
    e (:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-63</id>
+															<id>-50</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>:)
###(:link </string>
+													<string>|<<:) file_name("foo.txt");
    throw;
    }@]

Finally here is how the handler retrieves data from exceptions that derive from boost::(:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-27</id>
+															<id>-30</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>:)
###(:link </string>
+													<string>:):

[@catch( io_error & e )
    {
    std::cerr << "I/O Error!\n";

    if( std::string const * fn=(:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-9</id>
+															<id>-23</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>:)
##(:link http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2007/n2179.html|N2179:) Transporting of Exceptions between Threads
###(:link </string>
+													<string>:)<file_name>(e) )
        std::cerr << "File name: " << *fn << "\n";

    if( int const * c=(:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-66</id>
+															<id>-23</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>:)
###(:link </string>
+													<string>:)<errno_code>(e) )
        std::cerr << "OS says: " << strerror(*c) << "\n";
    }@]

In addition, boost::(:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-18</id>
+															<id>-74</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>:)
###(:link </string>
+													<string>:) can be used to compose an automatic (if not user-friendly) message that contains all of the (:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-74</id>
+															<id>-5</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>:)
###(:link </string>
+													<string>:) objects added to a boost::(:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-72</id>
+															<id>-30</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>:)
###(:link </string>
+													<string>:). This is useful for inclusion in logs and other diagnostic objects.
</string>
+												</container>
+											</pair>
+											<pair>
+												<weak_ptr>
+													<expired>0</expired>
+													<shared_ptr>
+														<id>-49</id>
+													</shared_ptr>
+												</weak_ptr>
+												<container>
+													<size>21</size>
+													<variant>2</variant>
+													<string>(:auto !!!:)

(:include synopsis:)

!!!!Requirements:

* T must be a class with an accessible no-throw copy constructor.
* If T has any virtual base types, those types must have an accessible default constructor.

!!!!Returns:

An object of ''unspecified'' type which derives publicly from T. That is, the returned object can be intercepted by a catch(T &).

!!!!Description:



This function is designed to be used directly in a throw-expression to enable the (:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-33</id>
+															<id>-17</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>:)
###(:link </string>
+													<string>:) support in Boost Exception. For example:

[@class
my_exception:
    public std::exception
    {
    };

....
throw boost::(:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-11</id>
+															<id>-49</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>:)
##Diagnostic Information
###(:link </string>
+													<string>:)(my_exception());@]

Unless (:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-40</id>
+															<id>-49</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>:)
###(:link </string>
+													<string>:) is called at the time an exception object is used in a throw-expression, an attempt to copy it using (:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-42</id>
+															<id>-22</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>:)
##(:link </string>
+													<string>:) may return an (:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-13</id>
+															<id>-17</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>:)
#API
##(:link </string>
+													<string>:) which refers to an instance of (:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-71</id>
+															<id>-65</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>:)
##(:link </string>
+													<string>:). See (:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-57</id>
+															<id>-22</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>:)
##(:link </string>
+													<string>:) for details.

!!!!Note:

Instead of using the throw keyword directly, it is preferable to call boost::(:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-46</id>
+															<id>-35</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>:)
##(:link </string>
+													<string>:). This is guaranteed to throw an exception that derives from boost::(:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-21</id>
+															<id>-30</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>:)
##(:link </string>
+													<string>:) and supports the (:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-68</id>
+															<id>-17</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>:)
##(:link </string>
+													<string>:) functionality.
</string>
+												</container>
+											</pair>
+											<pair>
+												<weak_ptr>
+													<expired>0</expired>
+													<shared_ptr>
+														<id>-50</id>
+													</shared_ptr>
+												</weak_ptr>
+												<container>
+													<size>7</size>
+													<variant>2</variant>
+													<string>(:auto !!!:)

(:include synopsis:)

!!!!Requirements:

E must be boost::(:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-17</id>
+															<id>-30</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string> mod="w":)
#(:link </string>
+													<string>:), or a type that derives (indirectly) from boost::(:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-28</id>
+															<id>-30</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string> mod="w":)
#(:link </string>
+													<string>:).

!!!!Postcondition:

A copy of v is stored into x. If x already contains data of type (:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-37</id>
+															<id>-5</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string> mod="w":)

!!!Acknowledgements

Thanks to Peter Dimov for his continuing help. Also thanks to Tobias Schwinger, Tom Brinkman, Pavel Vozenilek and everyone who participated in the review process.
</string>
+													<string>:)<Tag,T>, that data is overwritten. Basic exception safety guarantee.

!!!!Returns:

x.

(:include throws:)
</string>
                                                                                                 </container>
                                                                                         </pair>
                                                                                         <pair>
                                                                                                 <weak_ptr>
                                                                                                         <expired>0</expired>
                                                                                                         <shared_ptr>
-														<id>-56</id>
+														<id>-51</id>
                                                                                                         </shared_ptr>
                                                                                                 </weak_ptr>
                                                                                                 <container>
@@ -9656,16 +9690,16 @@
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-29</id>
+															<id>-30</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>:) allows us to free the file_read function from the burden of storing the file name in exceptions it throws:

[@#include <(:link </string>
+													<string>:) allows us to free the file_read function from the burden of storing the file name in exceptions it throws:

[@`#include <(:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-70</id>
+															<id>-40</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
@@ -9674,7 +9708,7 @@
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-29</id>
+															<id>-30</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
@@ -9683,7 +9717,7 @@
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-25</id>
+															<id>-32</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
@@ -9692,7 +9726,7 @@
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-70</id>
+															<id>-40</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
@@ -9701,7 +9735,7 @@
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-29</id>
+															<id>-30</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
@@ -9710,7 +9744,7 @@
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-38</id>
+															<id>-25</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
@@ -9719,7 +9753,7 @@
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-29</id>
+															<id>-30</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
@@ -9728,7 +9762,7 @@
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-29</id>
+															<id>-30</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
@@ -9739,752 +9773,677 @@
                                                                                                 <weak_ptr>
                                                                                                         <expired>0</expired>
                                                                                                         <shared_ptr>
-														<id>-57</id>
-													</shared_ptr>
-												</weak_ptr>
-												<container>
-													<size>1</size>
-													<variant>2</variant>
-													<string>(:auto !!:)

(:pagelist tags="hpp" except_tags="noindex":)
</string>
-												</container>
-											</pair>
-											<pair>
-												<weak_ptr>
-													<expired>0</expired>
-													<shared_ptr>
-														<id>-58</id>
+														<id>-52</id>
                                                                                                         </shared_ptr>
                                                                                                 </weak_ptr>
                                                                                                 <container>
-													<size>7</size>
-													<variant>2</variant>
-													<string>(:auto !!!:)

Deriving from boost::(:link </string>
-													<variant>1</variant>
-													<weak_ptr>
-														<expired>0</expired>
-														<shared_ptr>
-															<id>-29</id>
-														</shared_ptr>
-													</weak_ptr>
+													<size>5</size>
                                                                                                         <variant>2</variant>
-													<string>:) effectively decouples the semantics of a failure from the information that is relevant to each individual instance of reporting a failure with a given semantic.

In other words: with boost::(:link </string>
+													<string>(:auto !!!:)

(:include synopsis:)

This type is designed to be used as a standard </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-29</id>
+															<id>-5</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>:), what data a given exception object transports depends primarily on the context in which failures are reported (not on its type.) Since exception types need no members, it becomes very natural to throw exceptions that derive from more than one type to indicate multiple appropriate semantics:

[@struct exception_base: virtual std::exception, virtual boost::(:link </string>
+													<string> instance for transporting strings returned by std::type_info::name in exceptions deriving from boost::</string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-29</id>
+															<id>-30</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>:) { };
struct io_error: virtual exception_base { };
struct file_error: virtual io_error { };
struct read_error: virtual io_error { };
struct file_read_error: virtual file_error, virtual read_error { };@]

Using this approach, exception types become a simple tagging system for categorizing errors and selecting failures in exception handlers.
</string>
+													<string> objects.</string>
                                                                                                 </container>
                                                                                         </pair>
                                                                                         <pair>
                                                                                                 <weak_ptr>
                                                                                                         <expired>0</expired>
                                                                                                         <shared_ptr>
-														<id>-59</id>
+														<id>-53</id>
                                                                                                         </shared_ptr>
                                                                                                 </weak_ptr>
                                                                                                 <container>
-													<size>11</size>
-													<variant>2</variant>
-													<string>!!!!Example:

this is a possible output from the (:link </string>
-													<variant>1</variant>
-													<weak_ptr>
-														<expired>0</expired>
-														<shared_ptr>
-															<id>-40</id>
-														</shared_ptr>
-													</weak_ptr>
-													<variant>2</variant>
-													<string>:) function, as used in ''libs/exception/example/example_io.cpp:''

[@example_io.cpp(70): Throw in function class boost::shared_ptr<struct _iobuf> __cdecl my_fopen(const char *,const char *)
Dynamic exception type: class boost::exception_detail::clone_impl<struct fopen_error>
std::exception::what: example_io error
[struct boost::(:link </string>
-													<variant>1</variant>
-													<weak_ptr>
-														<expired>0</expired>
-														<shared_ptr>
-															<id>-5</id>
-														</shared_ptr>
-													</weak_ptr>
-													<variant>2</variant>
-													<string>:)_ *] = fopen
[struct boost::(:link </string>
-													<variant>1</variant>
-													<weak_ptr>
-														<expired>0</expired>
-														<shared_ptr>
-															<id>-25</id>
-														</shared_ptr>
-													</weak_ptr>
-													<variant>2</variant>
-													<string>:)_ *] = 2, "No such file or directory"
[struct boost::(:link </string>
-													<variant>1</variant>
-													<weak_ptr>
-														<expired>0</expired>
-														<shared_ptr>
-															<id>-38</id>
-														</shared_ptr>
-													</weak_ptr>
-													<variant>2</variant>
-													<string>:)_ *] = tmp1.txt
[struct boost::(:link </string>
-													<variant>1</variant>
-													<weak_ptr>
-														<expired>0</expired>
-														<shared_ptr>
-															<id>-23</id>
-														</shared_ptr>
-													</weak_ptr>
+													<size>1</size>
                                                                                                         <variant>2</variant>
-													<string>:)_ *] = rb@]
</string>
+													<string>(:auto !!:)

!!!Synopsis

(:include synopsis:)
</string>
                                                                                                 </container>
                                                                                         </pair>
                                                                                         <pair>
                                                                                                 <weak_ptr>
                                                                                                         <expired>0</expired>
                                                                                                         <shared_ptr>
-														<id>-60</id>
+														<id>-54</id>
                                                                                                         </shared_ptr>
                                                                                                 </weak_ptr>
                                                                                                 <container>
-													<size>19</size>
+													<size>69</size>
                                                                                                         <variant>2</variant>
-													<string>(:auto !!!:)

The code snippet below demonstrates how boost::(:link http://www.boost.org/libs/tuple/doc/tuple_users_guide.html|tuple:) can be used to bundle the name of the function that failed, together with the reported errno so that they can be added to exception objects more conveniently together:

[@#include <(:link </string>
+													<string>!!Introduction

The purpose of Boost Exception is to ease the design of exception class hierarchies and to help write exception handling and error reporting code.

It supports transporting of arbitrary data to the catch site, which is otherwise tricky due to the no-throw requirements (15.5.1) for exception types. Data can be added to any exception object, either directly in the throw-expression (15.1), or at a later time as the exception object propagates up the call stack.

The ability to add data to exception objects after they have been passed to throw is important, because often some of the information needed to handle an exception is unavailable in the context where the failure is detected. 

Boost Exception also supports (:link http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2007/n2179.html|N2179:)-style (:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-39</id>
+															<id>-63</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>:)>
#include <(:link </string>
+													<string>|copying:) of exception objects, implemented non-intrusively and automatically by the boost::(:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-44</id>
+															<id>-35</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>:)>
#include <(:link </string>
+													<string>:) function.

!!Contents

#(:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-52</id>
+															<id>-48</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>:)>
#include <(:link </string>
+													<string>:)
#Tutorial
##(:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-49</id>
+															<id>-10</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>:)>
#include <boost/shared_ptr.hpp>
#include <stdio.h>
#include <string>
#include <errno.h>

typedef boost::(:link http://www.boost.org/libs/tuple/doc/tuple_users_guide.html|tuple:)<boost::(:link </string>
+													<string> mod="w":)
##(:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-5</id>
+															<id>-39</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>:),boost::(:link </string>
+													<string> mod="w":)
##(:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-25</id>
+															<id>-63</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>:)> clib_failure;

struct file_open_error: virtual boost::(:link </string>
+													<string> mod="w":)
##(:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-29</id>
+															<id>-26</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>:) { };

boost::shared_ptr<FILE>
file_open( char const * name, char const * mode )
    {
    if( FILE * f=fopen(name,mode) )
        return boost::shared_ptr<FILE>(f,fclose);
    else
        throw file_open_error() <<
            boost::(:link </string>
+													<string> mod="w":)
##(:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-38</id>
+															<id>-69</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>:)(name) <<
            clib_failure("fopen",errno);
    }@]

Note that the members of a boost::(:link http://www.boost.org/libs/tuple/doc/tuple_users_guide.html|tuple:) are stored separately in exception objects; they can only be retrieved individually, using (:link </string>
+													<string> mod="w":)
##(:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-27</id>
+															<id>-12</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>:).
</string>
-												</container>
-											</pair>
-											<pair>
-												<weak_ptr>
-													<expired>0</expired>
-													<shared_ptr>
-														<id>-61</id>
-													</shared_ptr>
-												</weak_ptr>
-												<container>
-													<size>1</size>
-													<variant>2</variant>
-													<string>(:auto !!:)

!!!Synopsis

(:include synopsis:)
</string>
-												</container>
-											</pair>
-											<pair>
-												<weak_ptr>
-													<expired>0</expired>
-													<shared_ptr>
-														<id>-62</id>
-													</shared_ptr>
-												</weak_ptr>
-												<container>
-													<size>19</size>
-													<variant>2</variant>
-													<string>(:auto !!:)

Boost Exception provides a namespace-scope function (:link </string>
+													<string> mod="w":)
#Documentation
##Class (:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-40</id>
+															<id>-30</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>:) which takes a boost::(:link </string>
+													<string>:)
##Throwing Exceptions
###(:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-29</id>
+															<id>-28</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>:). The returned string contains:

*the string representation of all data objects added to the boost::(:link </string>
+													<string>:)
###(:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-29</id>
+															<id>-35</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>:) through (:link </string>
+													<string>:)
##Transporting of Arbitrary Data to the Catch Site
###(:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-26</id>
+															<id>-5</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string> mod="/":);
*the output from std::exception::what;
*additional platform-specific diagnostic information.

The returned string is not presentable as a friendly user message, but because it is generated automatically, it is useful for debugging or logging purposes. Here is an example:

[@#include <(:link </string>
+													<string>:)
###(:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-70</id>
+															<id>-50</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>:)>
#include <iostream>

void f(); //throws unknown types that derive from boost::(:link </string>
+													<string>:)
###(:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-29</id>
+															<id>-68</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>:).

void
g()
    {
    try
        {
        f();
        }
    catch(
    boost::(:link </string>
+													<string>:)
###(:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-29</id>
+															<id>-23</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>:) & e )
        {
        std::cerr << (:link </string>
+													<string>:)
###(:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-40</id>
+															<id>-38</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>:)(e);
        }
    }@]

(:include </string>
+													<string>:)
##(:link http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2007/n2179.html|N2179:) Transporting of Exceptions between Threads
###(:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-59</id>
+															<id>-17</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>:)
</string>
-												</container>
-											</pair>
-											<pair>
-												<weak_ptr>
-													<expired>0</expired>
-													<shared_ptr>
-														<id>-63</id>
-													</shared_ptr>
-												</weak_ptr>
-												<container>
-													<size>5</size>
+													<string>:)
###(:link </string>
+													<variant>1</variant>
+													<weak_ptr>
+														<expired>0</expired>
+														<shared_ptr>
+															<id>-49</id>
+														</shared_ptr>
+													</weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>(:auto !!!:)

(:include synopsis:)

!!!!Requirements:

E must be boost::(:link </string>
+													<string>:)
###(:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-29</id>
+															<id>-22</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>:), or a type that derives (indirectly) from boost::(:link </string>
+													<string>:)
###(:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-29</id>
+															<id>-37</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>:).

!!!!Effects:

Equivalent to x << v.(:link http://www.boost.org/libs/tuple/doc/tuple_users_guide.html#accessing_elements|get:)<0>() << ... << v.(:link http://www.boost.org/libs/tuple/doc/tuple_users_guide.html#accessing_elements|get:)<N>().

!!!!Returns:

x.

(:include throws:)
</string>
-												</container>
-											</pair>
-											<pair>
-												<weak_ptr>
-													<expired>0</expired>
-													<shared_ptr>
-														<id>-64</id>
-													</shared_ptr>
-												</weak_ptr>
-												<container>
-													<size>33</size>
+													<string>:)
###(:link </string>
+													<variant>1</variant>
+													<weak_ptr>
+														<expired>0</expired>
+														<shared_ptr>
+															<id>-36</id>
+														</shared_ptr>
+													</weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>(:auto !!!:)

Traditionally, when using exceptions to report failures, the throw site:

*creates an exception object of the appropriate type, and
*stuffs it with data relevant to the detected error.

A higher context in the program contains a catch statement which:

*selects failures based on exception types, and
*inspects exception objects for data required to deal with the problem.

The main issue with this "traditional" approach is that often, the data available at the point of the throw is insufficient for the catch site to handle the failure.

Here is an example of a catch statement:

[@catch( file_read_error & e )
    {
    std::cerr << e.file_name();
    }@]

And here is a possible matching throw:

[@void
read_file( FILE * f )
    {
    ....
    size_t nr=fread(buf,1,count,f);
    if( ferror(f) )
        throw file_read_error(???);
    ....&#
10;    }@]

Clearly, the problem is that the handler requires a file name but the read_file function does not have a file name to put in the exception object; all it has is a FILE pointer!

In an attempt to deal with this problem, we could modify read_file to accept a file name:

[@void
read_file( FILE * f, char const * name )
    {
    ....
    size_t nr=fread(buf,1,count,f);
    if( ferror(f) )
        throw file_read_error(name);
    ....
    }@]

This is not a real solution: it simply shifts the burden of supplying a file name to the immediate caller of the read_file function.

->''In general, the data required to handle a given library-emitted exception depends on the program that links to it. Many contexts between the throw and the catch may have relevant information which must be transported to the exception handler.''

!!!Exception wrapping

The idea of exception wrapping is to catch an exce
ption from a lower level function (such as the read_file function above), and throw a new exception object that contains the original exception (and also carries a file name.) This method seems to be particularly popular with C++ programmers with Java background.

Exception wrapping leads to the following problems:

*To wrap an exception object it must be copied, which may result in slicing.
*Wrapping is practically impossible to use in generic contexts.

The second point is actually special case of violating the exception neutrality principle. Most contexts in a program can not handle exceptions; such contexts should not interfere with the process of exception handling.

!!!The boost::exception solution

*Simply derive your exception types from boost::(:link </string>
+													<string>:)
###(:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-29</id>
+															<id>-65</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>:).
*Confidently limit the throw site to provide only data that is available naturally.
*Use exception-neutral contexts between the throw and the catch to augment exceptions with more relevant data as they bubble up.

For example, in the throw statement below we only add the errno code, since this is the only failure-relevant information available in this context:

[@struct exception_base: virtual std::exception, virtual boost::(:link </string>
+													<string>:)
##Diagnostic Information
###(:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-29</id>
+															<id>-74</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>:) { };
struct io_error: virtual exception_base { };
struct file_read_error: virtual io_error { };

typedef boost::(:link </string>
+													<string>:)
###(:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-43</id>
+															<id>-66</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>:)<struct tag_errno_code,int> errno_code;

void
read_file( FILE * f )
    {
    ....
    size_t nr=fread(buf,1,count,f);
    if( ferror(f) )
        throw file_read_error() (:link </string>
+													<string>:)
##(:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-26</id>
+															<id>-45</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>|<<:) errno_code(errno);
    ....
    }@]

In a higher exception-neutral context, we add the file name to ''any'' exception that derives from boost::(:link </string>
+													<string>:)
#API
##(:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-29</id>
+															<id>-13</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>:):

[@typedef boost::(:link </string>
+													<string>:)
##(:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-43</id>
+															<id>-31</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>:)<struct tag_file_name,std::string> file_name;

....
try
    {
    if( FILE * fp=fopen("foo.txt","rt") )
        {
        shared_ptr<FILE> f(fp,fclose);
        ....
        read_file(fp); //throws types deriving from boost::(:link </string>
+													<string>:)
##(:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-29</id>
+															<id>-34</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>:)
        do_something();
        ....
        }
    else
        throw file_open_error() (:link </string>
+													<string>:)
##(:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-26</id>
+															<id>-46</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>|<<:) errno_code(errno);
    }
catch( boost::(:link </string>
+													<string>:)
##(:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-29</id>
+															<id>-44</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>:) & e )
    {
    e (:link </string>
+													<string>:)
##(:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-26</id>
+															<id>-6</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>|<<:) file_name("foo.txt");
    throw;
    }@]

Finally here is how the handler retrieves data from exceptions that derive from boost::(:link </string>
+													<string> mod="w":)
#(:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-29</id>
+															<id>-18</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>:):

[@catch( io_error & e )
    {
    std::cerr << "I/O Error!\n";

    if( std::string const * fn=(:link </string>
+													<string> mod="w":)
#(:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-27</id>
+															<id>-21</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>:)<file_name>(e) )
        std::cerr << "File name: " << *fn << "\n";

    if( int const * c=(:link </string>
+													<string> mod="w":)

!!!Acknowledgements

Thanks to Peter Dimov for his continuing help. Also thanks to Tobias Schwinger, Tom Brinkman, Pavel Vozenilek and everyone who participated in the review process.
</string>
+												</container>
+											</pair>
+											<pair>
+												<weak_ptr>
+													<expired>0</expired>
+													<shared_ptr>
+														<id>-55</id>
+													</shared_ptr>
+												</weak_ptr>
+												<container>
+													<size>5</size>
+													<variant>2</variant>
+													<string>(:auto !!!:)

(:include synopsis:)

!!!!Definition:

The expression </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-27</id>
+															<id>-5</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>:)<errno_code>(e) )
        std::cerr << "OS says: " << strerror(*c) << "\n";
    }@]

In addition, boost::(:link </string>
+													<string><Tag,T>::(:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-40</id>
+															<id>-55</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>:) can be used to compose an automatic (if not user-friendly) message that contains all of the (:link </string>
+													<string> mod="m":) evaluates to T.</string>
+												</container>
+											</pair>
+											<pair>
+												<weak_ptr>
+													<expired>0</expired>
+													<shared_ptr>
+														<id>-56</id>
+													</shared_ptr>
+												</weak_ptr>
+												<container>
+													<size>1</size>
+													<variant>2</variant>
+													<string>(:auto !!!:)

!!!Synopsis

(:include synopsis:)
</string>
+												</container>
+											</pair>
+											<pair>
+												<weak_ptr>
+													<expired>0</expired>
+													<shared_ptr>
+														<id>-57</id>
+													</shared_ptr>
+												</weak_ptr>
+												<container>
+													<size>1</size>
+													<variant>2</variant>
+													<string>(:auto !!:)

!!!Synopsis

(:include synopsis:)
</string>
+												</container>
+											</pair>
+											<pair>
+												<weak_ptr>
+													<expired>0</expired>
+													<shared_ptr>
+														<id>-58</id>
+													</shared_ptr>
+												</weak_ptr>
+												<container>
+													<size>1</size>
+													<variant>2</variant>
+													<string>(:auto !!:)

!!!Synopsis

(:include synopsis:)
</string>
+												</container>
+											</pair>
+											<pair>
+												<weak_ptr>
+													<expired>0</expired>
+													<shared_ptr>
+														<id>-59</id>
+													</shared_ptr>
+												</weak_ptr>
+												<container>
+													<size>5</size>
+													<variant>2</variant>
+													<string>(:auto !!!:)

(:include synopsis:)

This type is designed to be used as a standard </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-43</id>
+															<id>-5</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>:) objects added to a boost::(:link </string>
+													<string> instance for transporting a relevant FILE pointer managed by a boost::shared_ptr<FILE> in exceptions deriving from boost::</string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-29</id>
+															<id>-30</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>:). This is useful for inclusion in logs and other diagnostic objects.
</string>
+													<string>.</string>
                                                                                                 </container>
                                                                                         </pair>
                                                                                         <pair>
                                                                                                 <weak_ptr>
                                                                                                         <expired>0</expired>
                                                                                                         <shared_ptr>
-														<id>-65</id>
+														<id>-60</id>
                                                                                                         </shared_ptr>
                                                                                                 </weak_ptr>
                                                                                                 <container>
-													<size>17</size>
+													<size>5</size>
                                                                                                         <variant>2</variant>
-													<string>(:auto !!!:)

(:include synopsis:)

!!!!Requirements:

E must derive publicly from std::exception.

!!!!Effects:

* If BOOST_NO_EXCEPTIONS is not defined, boost::(:link </string>
+													<string>(:auto !!!:)

(:include synopsis:)

!!!!Description:

Returns a const reference to the copy of the value passed to (:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-65</id>
+															<id>-5</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>:)(e) is equivalent to throw boost::(:link </string>
+													<string>:)'s constructor stored in the (:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-18</id>
+															<id>-5</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>:)(boost::(:link </string>
+													<string>:) object.

!!!!Throws:

Nothing.
</string>
+												</container>
+											</pair>
+											<pair>
+												<weak_ptr>
+													<expired>0</expired>
+													<shared_ptr>
+														<id>-61</id>
+													</shared_ptr>
+												</weak_ptr>
+												<container>
+													<size>37</size>
+													<variant>2</variant>
+													<string>(:auto !!!:)

When you catch an exception, you can call (:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-9</id>
+															<id>-22</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>:)(e)), unless BOOST_EXCEPTION_DISABLE is defined, in which case boost::(:link </string>
+													<string>:) to get an (:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-65</id>
+															<id>-17</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>:)(e) is equivalent to throw e;
* If BOOST_NO_EXCEPTIONS is defined, the function is left undefined, and the user is expected to supply an appropriate definition. Callers of (:link </string>
+													<string>:) object:

[@#include <(:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-65</id>
+															<id>-27</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>:) are allowed to assume that the function never returns; therefore, if the user-defined (:link </string>
+													<string>:)>
#include <boost/thread.hpp>
#include <boost/bind.hpp>

void do_work(); //throws cloning-enabled boost::(:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-65</id>
+															<id>-30</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>:) returns, the behavior is undefined.

!!!!Note:

Under BOOST_NO_EXCEPTIONS, unless BOOST_EXCEPTION_DISABLE is also defined, users can examine the passed exception object using boost::</string>
+													<string>:)s

void
worker_thread( boost::(:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-27</id>
+															<id>-17</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>, or format an automatic diagnostic message using boost::</string>
+													<string>:) & error )
    {
    try
        {
        do_work();
        error = boost::(:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-40</id>
+															<id>-17</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>.</string>
-												</container>
-											</pair>
-											<pair>
-												<weak_ptr>
-													<expired>0</expired>
-													<shared_ptr>
-														<id>-66</id>
-													</shared_ptr>
-												</weak_ptr>
-												<container>
-													<size>25</size>
-													<variant>2</variant>
-													<string>(:auto !!!:)

(:include synopsis:)

The (:link </string>
+													<string>:)();
        }
    catch(
    ... )
        {
        error = boost::(:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-66</id>
+															<id>-22</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>:) type can be used to refer to a copy of an exception object. It is Default Constructible, Copy Constructible, Assignable and Equality Comparable; (:link </string>
+													<string>:)();
        }
    }@]

In the above example, note that (:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-66</id>
+															<id>-22</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>:)'s operations do not throw.

The referenced object remains valid at least as long as there is an (:link </string>
+													<string>:) captures the original type of the exception object. The exception can be thrown again using the (:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-66</id>
+															<id>-36</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>:) object that refers to it.

Two instances of (:link </string>
+													<string>:) function:

[@// ...continued

void
work()
    {
    boost::(:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-66</id>
+															<id>-17</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>:) are equivalent and compare equal if and only if they refer to the same exception.

The default constructor of (:link </string>
+													<string>:) error;
    boost::(:link http://www.boost.org/doc/html/boost/thread.html|thread:) t( boost::(:link http://www.boost.org/libs/bind/bind.html|bind:)(worker_thread,boost::(:link http://www.boost.org/doc/html/ref.html|ref:)(error)) );
    t.(:link http://www.boost.org/doc/html/boost/thread.html|join:)();
    if( error )
        boost::(:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-66</id>
+															<id>-36</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>:) produces the null value of the type. The null value is equivalent only to itself.

!!!!Thread safety

* It is legal for multiple threads to hold (:link </string>
+													<string>:)(error);
    }@]

Note that (:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-66</id>
+															<id>-22</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>:) references to the same exception object.
* It is illegal for multiple threads to modify the same (:link </string>
+													<string>:) could fail to copy the original exception object in the following cases:

* if there is not enough memory, in which case the returned (:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-66</id>
+															<id>-17</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>:) object concurrently.
* While calling (:link </string>
+													<string>:) points to an instance of std::bad_alloc, or
* if (:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-74</id>
+															<id>-49</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>:) makes a copy of the current exception object, it is still possible for the two copies to share internal state. Therefore, in general it is not safe to call (:link </string>
+													<string>:) was not used in the throw-expression passed to the original throw statement and the current implementation does not have the necessary compiler-specific support to copy the exception automatically, in which case the returned (:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-33</id>
+															<id>-17</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>:) concurrently to throw the same exception object into multiple threads.

!!!!Nesting of exceptions:

An (:link </string>
+													<string>:) points to an instance of (:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-66</id>
+															<id>-65</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>:) can be added as (:link </string>
+													<string>:).

Regardless, the use of (:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-43</id>
+															<id>-22</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>:) to any boost::(:link </string>
+													<string>:) and (:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-29</id>
+															<id>-36</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>:). This is a convenient way to nest exceptions. There is no limit on the depth of the nesting, however cyclic references result in undefined behavior.
</string>
-												</container>
-											</pair>
-											<pair>
-												<weak_ptr>
-													<expired>0</expired>
-													<shared_ptr>
-														<id>-67</id>
-													</shared_ptr>
-												</weak_ptr>
-												<container>
-													<size>1</size>
-													<variant>2</variant>
-													<string>(:auto !!:)

!!!Synopsis

(:include synopsis:)
</string>
-												</container>
-											</pair>
-											<pair>
-												<weak_ptr>
-													<expired>0</expired>
-													<shared_ptr>
-														<id>-68</id>
-													</shared_ptr>
-												</weak_ptr>
-												<container>
-													<size>1</size>
-													<variant>2</variant>
-													<string>(:auto !!:)

(:pagelist tags="macro":)
</string>
-												</container>
-											</pair>
-											<pair>
-												<weak_ptr>
-													<expired>0</expired>
-													<shared_ptr>
-														<id>-69</id>
-													</shared_ptr>
-												</weak_ptr>
-												<container>
-													<size>1</size>
-													<variant>2</variant>
-													<string>(:auto !!:)

!!!Synopsis

(:include synopsis:)
</string>
+													<string>:) in the above examples is well-formed.
</string>
                                                                                                 </container>
                                                                                         </pair>
                                                                                         <pair>
                                                                                                 <weak_ptr>
                                                                                                         <expired>0</expired>
                                                                                                         <shared_ptr>
-														<id>-70</id>
+														<id>-62</id>
                                                                                                         </shared_ptr>
                                                                                                 </weak_ptr>
                                                                                                 <container>
@@ -10497,368 +10456,427 @@
                                                                                                 <weak_ptr>
                                                                                                         <expired>0</expired>
                                                                                                         <shared_ptr>
-														<id>-71</id>
+														<id>-63</id>
                                                                                                         </shared_ptr>
                                                                                                 </weak_ptr>
                                                                                                 <container>
-													<size>73</size>
-													<variant>2</variant>
-													<string>!!Synopsis

List of documented definitions, declarations and includes by header file:

`#include <(:link </string>
-													<variant>1</variant>
-													<weak_ptr>
-														<expired>0</expired>
-														<shared_ptr>
-															<id>-45</id>
-														</shared_ptr>
-													</weak_ptr>
+													<size>11</size>
                                                                                                         <variant>2</variant>
-													<string>:)>

[@(:include </string>
+													<string>(:auto !!:)

Boost Exception supports transporting of exception objects between threads through cloning. This system is similar to (:link http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2007/n2179.html|N2179:), but because Boost Exception can not rely on language support, the use of (:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-45</id>
+															<id>-49</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string> synopsis:)@]

`#include <(:link </string>
+													<string>:) at the time of the throw is required in order to use cloning.

!!!!Note:

All exceptions emitted by the familiar function boost::(:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-16</id>
+															<id>-35</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>:)>

[@(:include </string>
+													<string>:) are guaranteed to derive from boost::(:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-16</id>
+															<id>-30</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string> synopsis:)@]

`#include <(:link </string>
+													<string>:) and to support cloning.

(:include </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-31</id>
+															<id>-67</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>:)>

[@(:include </string>
+													<string>:)
(:include </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-31</id>
+															<id>-61</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string> synopsis:)@]

`#include <(:link </string>
-													<variant>1</variant>
-													<weak_ptr>
-														<expired>0</expired>
-														<shared_ptr>
-															<id>-39</id>
-														</shared_ptr>
-													</weak_ptr>
+													<string>:)
</string>
+												</container>
+											</pair>
+											<pair>
+												<weak_ptr>
+													<expired>0</expired>
+													<shared_ptr>
+														<id>-64</id>
+													</shared_ptr>
+												</weak_ptr>
+												<container>
+													<size>7</size>
                                                                                                         <variant>2</variant>
-													<string>:)>

[@(:include </string>
+													<string>(:auto !!!:)

(:include decl:)

!!!!Effects:

* Default constructor: initializes an empty boost::(:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-39</id>
+															<id>-30</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string> synopsis:)@]

`#include <(:link </string>
+													<string>:) object.
* Copy constructor: initializes a boost::(:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-73</id>
+															<id>-30</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>:)>

[@(:include </string>
+													<string>:) object which shares ownership with x of all data added through (:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-73</id>
+															<id>-50</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string> synopsis:)@]

`#include <(:link </string>
-													<variant>1</variant>
-													<weak_ptr>
-														<expired>0</expired>
-														<shared_ptr>
-															<id>-76</id>
-														</shared_ptr>
-													</weak_ptr>
+													<string> mod="/":), including data that is added at a future time.

!!!!Throws:

Nothing.
</string>
+												</container>
+											</pair>
+											<pair>
+												<weak_ptr>
+													<expired>0</expired>
+													<shared_ptr>
+														<id>-65</id>
+													</shared_ptr>
+												</weak_ptr>
+												<container>
+													<size>5</size>
                                                                                                         <variant>2</variant>
-													<string>:)>

[@(:include </string>
+													<string>(:auto !!!:)

(:include synopsis:)

This type is used by the (:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-76</id>
+															<id>-17</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string> synopsis:)@]

`#include <(:link </string>
+													<string>:) support in Boost Exception. Please see (:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-48</id>
+															<id>-22</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>:)>

[@(:include </string>
+													<string>:).
</string>
+												</container>
+											</pair>
+											<pair>
+												<weak_ptr>
+													<expired>0</expired>
+													<shared_ptr>
+														<id>-66</id>
+													</shared_ptr>
+												</weak_ptr>
+												<container>
+													<size>9</size>
+													<variant>2</variant>
+													<string>(:auto !!!:)

(:include synopsis:)

!!!!Requirements:

This function must not be called outside of a catch block.

!!!!Returns:

If the current exception object can be converted to boost::(:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-48</id>
+															<id>-30</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string> synopsis:)@]

`#include <(:link </string>
+													<string>:) or std::exception, this function returns the same string value returned by (:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-47</id>
+															<id>-74</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>:)>

[@(:include </string>
+													<string>:) for the current exception object. Otherwise, an unspecified non-empty string is returned.

Typical use is to call </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-47</id>
+															<id>-66</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string> synopsis:)@]

`#include <(:link </string>
+													<string> from a top-level function to output diagnostic information about unhandled exceptions:

[@int
main()
    {
    try
        {
        run_program();
        }
    catch(
    error & e )
        {
        //handle error
        }
    catch(
    ...)
        {
        std::cerr << "Unhandled exception!" << std::endl <<
            boost::</string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-30</id>
+															<id>-66</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>:)>

[@(:include </string>
+													<string>();
        }
    }@]
</string>
+												</container>
+											</pair>
+											<pair>
+												<weak_ptr>
+													<expired>0</expired>
+													<shared_ptr>
+														<id>-67</id>
+													</shared_ptr>
+												</weak_ptr>
+												<container>
+													<size>15</size>
+													<variant>2</variant>
+													<string>(:auto !!!:)

Here is how cloning can be enabled in a throw-expression (15.1):

[@#include <(:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-30</id>
+															<id>-8</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string> synopsis:)@]

`#include <(:link </string>
+													<string>:)>
#include <(:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-69</id>
+															<id>-71</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>:)>

[@(:include </string>
+													<string>:)>
#include <stdio.h>
#include <errno.h>

struct file_read_error: virtual boost::(:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-69</id>
+															<id>-30</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string> synopsis:)@]

`#include <</string>
+													<string>:) { };

void
file_read( FILE * f, void * buffer, size_t size )
    {
    if( size!=fread(buffer,1,size,f) )
        throw boost::(:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-52</id>
+															<id>-49</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>>

(:include </string>
+													<string>:)(file_read_error()) <<
            boost::(:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-52</id>
+															<id>-32</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string> synopsis:)

`#include <</string>
+													<string>:)(errno);
    }@]

Of course, (:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-54</id>
+															<id>-49</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>>

(:include </string>
+													<string>:) may be used with any exception type; there is no requirement that it should derive from boost::(:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-54</id>
+															<id>-30</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string> synopsis:)

`#include <</string>
+													<string>:).
</string>
+												</container>
+											</pair>
+											<pair>
+												<weak_ptr>
+													<expired>0</expired>
+													<shared_ptr>
+														<id>-68</id>
+													</shared_ptr>
+												</weak_ptr>
+												<container>
+													<size>5</size>
+													<variant>2</variant>
+													<string>(:auto !!!:)

(:include synopsis:)

!!!!Requirements:

E must be boost::(:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-49</id>
+															<id>-30</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>>

(:include </string>
+													<string>:), or a type that derives (indirectly) from boost::(:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-49</id>
+															<id>-30</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string> synopsis:)

`#include <</string>
+													<string>:).

!!!!Effects:

Equivalent to x << v.(:link http://www.boost.org/libs/tuple/doc/tuple_users_guide.html#accessing_elements|get:)<0>() << ... << v.(:link http://www.boost.org/libs/tuple/doc/tuple_users_guide.html#accessing_elements|get:)<N>().

!!!!Returns:

x.

(:include throws:)
</string>
+												</container>
+											</pair>
+											<pair>
+												<weak_ptr>
+													<expired>0</expired>
+													<shared_ptr>
+														<id>-69</id>
+													</shared_ptr>
+												</weak_ptr>
+												<container>
+													<size>5</size>
+													<variant>2</variant>
+													<string>(:auto !!!:)

Exception types should use virtual inheritance when deriving from other exception types. This insight is due to Andrew Koenig. Using virtual inheritance prevents ambiguity problems in the exception handler:

[@#include <iostream>
struct my_exc1 : std::exception { char const* what() const throw(); };
struct my_exc2 : std::exception { char const* what() const throw(); };
struct your_exc3 : my_exc1, my_exc2 {};

int
main()
    {
    try { throw your_exc3(); }
    catch(std::exception const& e) {}
    catch(...) { std::cout << "whoops!" << std::endl; }
    }@]

The program above outputs "whoops!" because the conversion to std::exception is ambiguous.

The overhead introduced by virtual inheritance is always negligible in the context of exception handling. Note that virtual bases are initialized directly by the constructor of the most-derived-type (the type pass
ed to the throw statement, in case of exceptions.) However, typically this detail is of no concern when boost::(:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-15</id>
+															<id>-30</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>>

(:include </string>
+													<string>:) is used, because it enables exception types to be trivial structs with no members (there's nothing to initialize.) See (:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-15</id>
+															<id>-26</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string> synopsis:)

`#include <</string>
+													<string> mod="w":).
</string>
+												</container>
+											</pair>
+											<pair>
+												<weak_ptr>
+													<expired>0</expired>
+													<shared_ptr>
+														<id>-70</id>
+													</shared_ptr>
+												</weak_ptr>
+												<container>
+													<size>17</size>
+													<variant>2</variant>
+													<string>(:auto !!!:)

The following example demonstrates how errno can be stored in exception objects using Boost Exception:

[@#include <(:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-44</id>
+															<id>-40</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>>

(:include </string>
+													<string>:)>
#include <iostream>

typedef boost::(:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-44</id>
+															<id>-5</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string> synopsis:)

`#include <</string>
+													<string>:)<struct tag_my_info,int> my_info; //(1)

struct my_error: virtual boost::(:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-67</id>
+															<id>-30</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>>

(:include </string>
+													<string>:), virtual std::exception { }; //(2)

void
f()
    {
    throw my_error() << my_info(42); //(3)
    }@]

First, we instantiate the (:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-67</id>
+															<id>-5</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string> synopsis:)

`#include <</string>
+													<string>:) template using a unique identifier -- tag_my_info, and the type of the info it identifies -- int. This provides compile-time type safety for the various values stored in exception objects.

Second, we define class my_error, which derives from boost::(:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-61</id>
+															<id>-30</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>>

(:include </string>
+													<string>:).

Finally, (3) illustrates how the typedef from (1) can be used with (:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-61</id>
+															<id>-50</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string> synopsis:)

`#include <</string>
+													<string>|operator<<:) to store values in exception objects at the point of the throw.

The stored my_info value can be recovered at a later time like this:

[@// ...continued

void
g()
    {
    try
        {
        f();
        }
    catch(
    my_error & x )
        {
        if( int const * mi=boost::(:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-70</id>
+															<id>-23</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>>

(:include </string>
+													<string>:)<my_info>(x) )
            std::cerr << "My info: " << *mi;
        }
    }@]

The (:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-70</id>
+															<id>-23</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string> synopsis:)
</string>
+													<string>:) function template is instantiated with the typedef from (1), and is passed an exception object of a polymorphic type. If the exception object contains the requested value, err will point to it; otherwise a null pointer is returned.
</string>
                                                                                                 </container>
                                                                                         </pair>
                                                                                         <pair>
                                                                                                 <weak_ptr>
                                                                                                         <expired>0</expired>
                                                                                                         <shared_ptr>
-														<id>-72</id>
+														<id>-71</id>
                                                                                                         </shared_ptr>
                                                                                                 </weak_ptr>
                                                                                                 <container>
-													<size>5</size>
-													<variant>2</variant>
-													<string>(:auto !!!:)

(:include synopsis:)

!!!!Effects:

As if

[@try
    {
    throw </string>
-													<variant>1</variant>
-													<weak_ptr>
-														<expired>0</expired>
-														<shared_ptr>
-															<id>-18</id>
-														</shared_ptr>
-													</weak_ptr>
+													<size>1</size>
                                                                                                         <variant>2</variant>
-													<string>(e);
    }
catch(...)
    {
    return (:link </string>
-													<variant>1</variant>
-													<weak_ptr>
-														<expired>0</expired>
-														<shared_ptr>
-															<id>-74</id>
-														</shared_ptr>
-													</weak_ptr>
+													<string>(:auto !!:)

!!!Synopsis

(:include synopsis:)
</string>
+												</container>
+											</pair>
+											<pair>
+												<weak_ptr>
+													<expired>0</expired>
+													<shared_ptr>
+														<id>-72</id>
+													</shared_ptr>
+												</weak_ptr>
+												<container>
+													<size>1</size>
                                                                                                         <variant>2</variant>
-													<string>:)();
    }@]
</string>
+													<string>(:auto !!:)

!!!Synopsis

(:include synopsis:)
</string>
                                                                                                 </container>
                                                                                         </pair>
                                                                                         <pair>
@@ -10871,7 +10889,7 @@
                                                                                                 <container>
                                                                                                         <size>1</size>
                                                                                                         <variant>2</variant>
-													<string>(:auto !!!:)

!!!Synopsis

(:include synopsis:)
</string>
+													<string>(:auto !!:)

!!!Synopsis

(:include synopsis:)
</string>
                                                                                                 </container>
                                                                                         </pair>
                                                                                         <pair>
@@ -10882,45 +10900,54 @@
                                                                                                         </shared_ptr>
                                                                                                 </weak_ptr>
                                                                                                 <container>
-													<size>33</size>
+													<size>37</size>
                                                                                                         <variant>2</variant>
-													<string>(:auto !!!:)

(:include synopsis:)

!!!!Requirements:

The (:link </string>
+													<string>(:auto !!!:)

(:include synopsis:)

!!!!Returns:

A string value that contains varying amount of implementation-specific diagnostic information about the passed object:

*If E can be statically converted to boost::(:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-74</id>
+															<id>-30</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>:) function must not be called outside of a catch block.

!!!!Returns:

* An (:link </string>
+													<string>:), the returned value contains the string representations of all (:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-66</id>
+															<id>-5</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>:) that refers to the currently handled exception or a copy of the currently handled exception.
* If the function needs to allocate memory and the attempt fails, it returns an (:link </string>
+													<string>:) objects stored in the boost::(:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-66</id>
+															<id>-30</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>:) that refers to an instance of std::bad_alloc.

!!!!Throws:

Nothing.

!!!!Notes:

* It is unspecified whether the return values of two successive calls to (:link </string>
+													<string>:) through (:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-74</id>
+															<id>-50</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>:) refer to the same exception object.
* Correct implementation of (:link </string>
+													<string> mod="/":), along with other diagnostic information relevant to the exception. If e can be dynamically converted to std::exception, the returned value also contains the what() string.
*Otherwise, if E can be statically converted std::exception:
**if e can be dynamically converted to boost::exception, the returned value is the same as if E could be statically converted to boost::(:link </string>
+													<variant>1</variant>
+													<weak_ptr>
+														<expired>0</expired>
+														<shared_ptr>
+															<id>-30</id>
+														</shared_ptr>
+													</weak_ptr>
+													<variant>2</variant>
+													<string>:);
**otherwise the returned value contains the what() string.
*Otherwise, the boost::(:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
@@ -10929,106 +10956,115 @@
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>:) may require compiler support, unless (:link </string>
+													<string>:) template is not available.

The string representation of each (:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-18</id>
+															<id>-5</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>:) was used at the time the currently handled exception object was passed to throw. Whenever </string>
+													<string>:) object is deduced by a function call that is bound at the time the (:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-74</id>
+															<id>-5</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string> fails to properly copy the current exception object, it returns an </string>
+													<string>:)<Tag,T> template is instantiated. The following overload resolutions are attempted in order:

#Unqualified call to to_string(x), where x is of type (:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-66</id>
+															<id>-5</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string> to an object of type that is as close as possible to the original exception type, using </string>
+													<string>:)<Tag,T> (the return value is expected to be of type std::string.)
#Unqualified call to to_string(x.(:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-11</id>
+															<id>-60</id>
+														</shared_ptr>
+													</weak_ptr>
+													<variant>2</variant>
+													<string> mod="m":)()) (the return value is expected to be of type std::string.)
#Unqualified call to s << x.(:link </string>
+													<variant>1</variant>
+													<weak_ptr>
+														<expired>0</expired>
+														<shared_ptr>
+															<id>-60</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string> as a final fallback. All such types derive from boost::</string>
+													<string> mod="m":)(), where s is a std::ostringstream.

The first successfully bound function is used at the time (:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-29</id>
+															<id>-74</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>, and:
** if the original exception object derives from boost::(:link </string>
+													<string>:) is called; if all 3 overload resolutions are unsuccessful, the system is unable to convert the (:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-29</id>
+															<id>-5</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>:), then the boost::(:link </string>
+													<string>:) object to string, and ''an unspecified stub string value is used without issuing a compile error.''

The </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-29</id>
+															<id>-17</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>:) sub-object of the object referred to by the returned </string>
+													<string> overload of </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-66</id>
+															<id>-74</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string> is initialized by the boost::(:link </string>
+													<string> is equivalent to:

[@if( p )
    try
        {
        </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-29</id>
+															<id>-36</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>:) copy constructor;
** if available, the exception contains the std::type_info of the original exception object, accessible through </string>
+													<string>(p);
        }
    catch(...)
        {
        return </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-27</id>
+															<id>-66</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string><</string>
+													<string>();
        }
else return <unspecified-string-value>;@]

!!!!Notes:

*The format of the returned string is unspecified.
*The returned string is ''not'' user-friendly.
*The returned string may include additional platform-specific diagnostic information.


(:include </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-20</id>
+															<id>-16</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>>.
</string>
+													<string>:)
</string>
                                                                                                 </container>
                                                                                         </pair>
                                                                                         <pair>
@@ -11041,25 +11077,25 @@
                                                                                                 <container>
                                                                                                         <size>5</size>
                                                                                                         <variant>2</variant>
-													<string>(:auto !!!:)

(:include synopsis:)

!!!!Definition:

The expression </string>
+													<string>(:auto !!!:)

(:include synopsis:)

This type is designed to be used as a standard </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-43</id>
+															<id>-5</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string><Tag,T>::(:link </string>
+													<string> instance for transporting a relevant text file line number, for example in parse error exceptions deriving from boost::</string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-75</id>
+															<id>-30</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string> mod="m":) evaluates to T.</string>
+													<string>.</string>
                                                                                                 </container>
                                                                                         </pair>
                                                                                         <pair>
@@ -11070,9 +11106,27 @@
                                                                                                         </shared_ptr>
                                                                                                 </weak_ptr>
                                                                                                 <container>
-													<size>1</size>
+													<size>5</size>
                                                                                                         <variant>2</variant>
-													<string>(:auto !!:)

!!!Synopsis

(:include synopsis:)
</string>
+													<string>(:auto !!!:)

(:include synopsis:)

This type is designed to be used as a standard </string>
+													<variant>1</variant>
+													<weak_ptr>
+														<expired>0</expired>
+														<shared_ptr>
+															<id>-5</id>
+														</shared_ptr>
+													</weak_ptr>
+													<variant>2</variant>
+													<string> instance for transporting the string passed as a second argument to fopen in exceptions indicating fopen failures and deriving from boost::</string>
+													<variant>1</variant>
+													<weak_ptr>
+														<expired>0</expired>
+														<shared_ptr>
+															<id>-30</id>
+														</shared_ptr>
+													</weak_ptr>
+													<variant>2</variant>
+													<string>.</string>
                                                                                                 </container>
                                                                                         </pair>
                                                                                 </sorted>
@@ -11328,9 +11382,7 @@
                                                                                                         </shared_ptr>
                                                                                                 </weak_ptr>
                                                                                                 <container>
-													<size>1</size>
-													<variant>2</variant>
-													<string>!!!!Throws:

std::bad_alloc, or any exception emitted by the T copy constructor.
</string>
+													<size>0</size>
                                                                                                 </container>
                                                                                         </pair>
                                                                                         <pair>
@@ -11363,7 +11415,9 @@
                                                                                                         </shared_ptr>
                                                                                                 </weak_ptr>
                                                                                                 <container>
-													<size>0</size>
+													<size>1</size>
+													<variant>2</variant>
+													<string>!!!!Throws:

Any exception emitted by v's copy constructor.</string>
                                                                                                 </container>
                                                                                         </pair>
                                                                                         <pair>
@@ -11594,7 +11648,9 @@
                                                                                                         </shared_ptr>
                                                                                                 </weak_ptr>
                                                                                                 <container>
-													<size>0</size>
+													<size>1</size>
+													<variant>2</variant>
+													<string>!!!!Throws:

std::bad_alloc, or any exception emitted by the T copy constructor.
</string>
                                                                                                 </container>
                                                                                         </pair>
                                                                                         <pair>
@@ -11605,9 +11661,7 @@
                                                                                                         </shared_ptr>
                                                                                                 </weak_ptr>
                                                                                                 <container>
-													<size>1</size>
-													<variant>2</variant>
-													<string>!!!!Throws:

Any exception emitted by v's copy constructor.</string>
+													<size>0</size>
                                                                                                 </container>
                                                                                         </pair>
                                                                                         <pair>
@@ -11739,9 +11793,7 @@
                                                                                                         </shared_ptr>
                                                                                                 </weak_ptr>
                                                                                                 <container>
-													<size>1</size>
-													<variant>2</variant>
-													<string>!!!!Throws:

std::bad_alloc, or any exception emitted by T1..TN copy constructor.
</string>
+													<size>0</size>
                                                                                                 </container>
                                                                                         </pair>
                                                                                         <pair>
@@ -11796,7 +11848,9 @@
                                                                                                         </shared_ptr>
                                                                                                 </weak_ptr>
                                                                                                 <container>
-													<size>0</size>
+													<size>1</size>
+													<variant>2</variant>
+													<string>!!!!Throws:

std::bad_alloc, or any exception emitted by T1..TN copy constructor.
</string>
                                                                                                 </container>
                                                                                         </pair>
                                                                                         <pair>
@@ -11909,27 +11963,18 @@
                                                                                                         </shared_ptr>
                                                                                                 </weak_ptr>
                                                                                                 <container>
-													<size>5</size>
-													<variant>2</variant>
-													<string>`#include <</string>
-													<variant>1</variant>
-													<weak_ptr>
-														<expired>0</expired>
-														<shared_ptr>
-															<id>-52</id>
-														</shared_ptr>
-													</weak_ptr>
+													<size>3</size>
                                                                                                         <variant>2</variant>
-													<string>>

(:include </string>
+													<string>`#include <(:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-52</id>
+															<id>-8</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string> synopsis:)
</string>
+													<string>:)>

[@namespace
boost
    {
(:include def pre_indent="4":)
    }@]
</string>
                                                                                                 </container>
                                                                                         </pair>
                                                                                         <pair>
@@ -11953,16 +11998,16 @@
                                                                                                 <container>
                                                                                                         <size>3</size>
                                                                                                         <variant>2</variant>
-													<string>`#include <</string>
+													<string>[@#include <</string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-69</id>
+															<id>-73</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>>

(:include decl:)
</string>
+													<string>>
#include <string>

namespace
boost
    {
(:include api pre_indent="4":)
    }@]
</string>
                                                                                                 </container>
                                                                                         </pair>
                                                                                         <pair>
@@ -11975,16 +12020,16 @@
                                                                                                 <container>
                                                                                                         <size>3</size>
                                                                                                         <variant>2</variant>
-													<string>`#include <(:link </string>
+													<string>[@#include <(:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-31</id>
+															<id>-72</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>:)>

[@(:include decl:)@]
</string>
+													<string>:)>

namespace
boost
    {
(:include api pre_indent="4":)
    }@]
</string>
                                                                                                 </container>
                                                                                         </pair>
                                                                                         <pair>
@@ -11997,7 +12042,7 @@
                                                                                                 <container>
                                                                                                         <size>3</size>
                                                                                                         <variant>2</variant>
-													<string>`#include <</string>
+													<string>[@#include <</string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
@@ -12006,7 +12051,7 @@
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>>

[@namespace
boost
    {
(:include decl pre_indent="4":)
    }@]
</string>
+													<string>>
#include <string>

namespace
boost
    {
(:include api pre_indent="4":)
    }@]
</string>
                                                                                                 </container>
                                                                                         </pair>
                                                                                         <pair>
@@ -12030,16 +12075,16 @@
                                                                                                 <container>
                                                                                                         <size>3</size>
                                                                                                         <variant>2</variant>
-													<string>`#include <(:link </string>
+													<string>[@#include <</string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-47</id>
+															<id>-8</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>:)>

[@namespace
boost
    {
(:include decl pre_indent="4":)
    }@]
</string>
+													<string>>
#include <boost/tuple/tuple.hpp>

namespace
boost
    {
(:include api pre_indent="4":)
    }@]
</string>
                                                                                                 </container>
                                                                                         </pair>
                                                                                         <pair>
@@ -12050,9 +12095,7 @@
                                                                                                         </shared_ptr>
                                                                                                 </weak_ptr>
                                                                                                 <container>
-													<size>1</size>
-													<variant>2</variant>
-													<string>[@#include <boost/shared_ptr.hpp>

namespace
boost
    {
(:include api pre_indent="4":)
    }@]
</string>
+													<size>0</size>
                                                                                                 </container>
                                                                                         </pair>
                                                                                         <pair>
@@ -12063,25 +12106,36 @@
                                                                                                         </shared_ptr>
                                                                                                 </weak_ptr>
                                                                                                 <container>
+													<size>0</size>
+												</container>
+											</pair>
+											<pair>
+												<weak_ptr>
+													<expired>0</expired>
+													<shared_ptr>
+														<id>-14</id>
+													</shared_ptr>
+												</weak_ptr>
+												<container>
                                                                                                         <size>3</size>
                                                                                                         <variant>2</variant>
-													<string>`#include <</string>
+													<string>[@#include <</string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-48</id>
+															<id>-73</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>>

[@namespace
boost
    {
(:include decl pre_indent="4":)
    }@]
</string>
+													<string>>

namespace
boost
    {
(:include api pre_indent="4":)
    }@]
</string>
                                                                                                 </container>
                                                                                         </pair>
                                                                                         <pair>
                                                                                                 <weak_ptr>
                                                                                                         <expired>0</expired>
                                                                                                         <shared_ptr>
-														<id>-14</id>
+														<id>-15</id>
                                                                                                         </shared_ptr>
                                                                                                 </weak_ptr>
                                                                                                 <container>
@@ -12092,53 +12146,64 @@
                                                                                                 <weak_ptr>
                                                                                                         <expired>0</expired>
                                                                                                         <shared_ptr>
-														<id>-15</id>
+														<id>-16</id>
+													</shared_ptr>
+												</weak_ptr>
+												<container>
+													<size>0</size>
+												</container>
+											</pair>
+											<pair>
+												<weak_ptr>
+													<expired>0</expired>
+													<shared_ptr>
+														<id>-17</id>
                                                                                                         </shared_ptr>
                                                                                                 </weak_ptr>
                                                                                                 <container>
                                                                                                         <size>3</size>
                                                                                                         <variant>2</variant>
-													<string>[@#include <</string>
+													<string>`#include <(:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-16</id>
+															<id>-27</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>>

namespace
boost
    {
    template <class> class weak_ptr;
(:include api pre_indent="4":)
    }@]
</string>
+													<string>:)>

[@namespace
boost
    {
(:include decl pre_indent="4":)
    }@]
</string>
                                                                                                 </container>
                                                                                         </pair>
                                                                                         <pair>
                                                                                                 <weak_ptr>
                                                                                                         <expired>0</expired>
                                                                                                         <shared_ptr>
-														<id>-16</id>
+														<id>-18</id>
                                                                                                         </shared_ptr>
                                                                                                 </weak_ptr>
                                                                                                 <container>
-													<size>1</size>
-													<variant>2</variant>
-													<string>[@namespace
boost
    {
(:include api pre_indent="4":)
    }@]
</string>
+													<size>0</size>
                                                                                                 </container>
                                                                                         </pair>
                                                                                         <pair>
                                                                                                 <weak_ptr>
                                                                                                         <expired>0</expired>
                                                                                                         <shared_ptr>
-														<id>-17</id>
+														<id>-19</id>
                                                                                                         </shared_ptr>
                                                                                                 </weak_ptr>
                                                                                                 <container>
-													<size>0</size>
+													<size>1</size>
+													<variant>2</variant>
+													<string>(:include api:)
</string>
                                                                                                 </container>
                                                                                         </pair>
                                                                                         <pair>
                                                                                                 <weak_ptr>
                                                                                                         <expired>0</expired>
                                                                                                         <shared_ptr>
-														<id>-18</id>
+														<id>-20</id>
                                                                                                         </shared_ptr>
                                                                                                 </weak_ptr>
                                                                                                 <container>
@@ -12149,7 +12214,7 @@
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-30</id>
+															<id>-27</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
@@ -12160,7 +12225,7 @@
                                                                                                 <weak_ptr>
                                                                                                         <expired>0</expired>
                                                                                                         <shared_ptr>
-														<id>-19</id>
+														<id>-21</id>
                                                                                                         </shared_ptr>
                                                                                                 </weak_ptr>
                                                                                                 <container>
@@ -12171,29 +12236,95 @@
                                                                                                 <weak_ptr>
                                                                                                         <expired>0</expired>
                                                                                                         <shared_ptr>
-														<id>-20</id>
+														<id>-22</id>
+													</shared_ptr>
+												</weak_ptr>
+												<container>
+													<size>3</size>
+													<variant>2</variant>
+													<string>`#include <(:link </string>
+													<variant>1</variant>
+													<weak_ptr>
+														<expired>0</expired>
+														<shared_ptr>
+															<id>-27</id>
+														</shared_ptr>
+													</weak_ptr>
+													<variant>2</variant>
+													<string>:)>

[@namespace
boost
    {
(:include decl pre_indent="4":)
    }@]
</string>
+												</container>
+											</pair>
+											<pair>
+												<weak_ptr>
+													<expired>0</expired>
+													<shared_ptr>
+														<id>-23</id>
+													</shared_ptr>
+												</weak_ptr>
+												<container>
+													<size>1</size>
+													<variant>2</variant>
+													<string>[@namespace
boost
    {
(:include decl pre_indent="4":)
    }@]
</string>
+												</container>
+											</pair>
+											<pair>
+												<weak_ptr>
+													<expired>0</expired>
+													<shared_ptr>
+														<id>-24</id>
                                                                                                         </shared_ptr>
                                                                                                 </weak_ptr>
                                                                                                 <container>
                                                                                                         <size>3</size>
                                                                                                         <variant>2</variant>
+													<string>[@#include <string>

namespace
boost
    {
(:include </string>
+													<variant>1</variant>
+													<weak_ptr>
+														<expired>0</expired>
+														<shared_ptr>
+															<id>-30</id>
+														</shared_ptr>
+													</weak_ptr>
+													<variant>2</variant>
+													<string> decl pre_indent="4":)

(:include api pre_indent="4":)
    }@]
</string>
+												</container>
+											</pair>
+											<pair>
+												<weak_ptr>
+													<expired>0</expired>
+													<shared_ptr>
+														<id>-25</id>
+													</shared_ptr>
+												</weak_ptr>
+												<container>
+													<size>5</size>
+													<variant>2</variant>
                                                                                                         <string>`#include <</string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-47</id>
+															<id>-7</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>>

[@namespace
boost
    {
(:include decl pre_indent="4":)
    }@]
</string>
+													<string>>

(:include </string>
+													<variant>1</variant>
+													<weak_ptr>
+														<expired>0</expired>
+														<shared_ptr>
+															<id>-7</id>
+														</shared_ptr>
+													</weak_ptr>
+													<variant>2</variant>
+													<string> synopsis:)
</string>
                                                                                                 </container>
                                                                                         </pair>
                                                                                         <pair>
                                                                                                 <weak_ptr>
                                                                                                         <expired>0</expired>
                                                                                                         <shared_ptr>
-														<id>-21</id>
+														<id>-26</id>
                                                                                                         </shared_ptr>
                                                                                                 </weak_ptr>
                                                                                                 <container>
@@ -12204,100 +12335,106 @@
                                                                                                 <weak_ptr>
                                                                                                         <expired>0</expired>
                                                                                                         <shared_ptr>
-														<id>-22</id>
+														<id>-27</id>
                                                                                                         </shared_ptr>
                                                                                                 </weak_ptr>
                                                                                                 <container>
-													<size>5</size>
-													<variant>2</variant>
-													<string>`#include <</string>
-													<variant>1</variant>
-													<weak_ptr>
-														<expired>0</expired>
-														<shared_ptr>
-															<id>-61</id>
-														</shared_ptr>
-													</weak_ptr>
+													<size>3</size>
                                                                                                         <variant>2</variant>
-													<string>>

(:include </string>
+													<string>[@#include <(:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-61</id>
+															<id>-72</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string> synopsis:)
</string>
+													<string>:)>

namespace
boost
    {
(:include api pre_indent="4":)
    }@]
</string>
                                                                                                 </container>
                                                                                         </pair>
                                                                                         <pair>
                                                                                                 <weak_ptr>
                                                                                                         <expired>0</expired>
                                                                                                         <shared_ptr>
-														<id>-23</id>
+														<id>-28</id>
                                                                                                         </shared_ptr>
                                                                                                 </weak_ptr>
                                                                                                 <container>
-													<size>5</size>
+													<size>3</size>
                                                                                                         <variant>2</variant>
                                                                                                         <string>`#include <</string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-67</id>
-														</shared_ptr>
-													</weak_ptr>
-													<variant>2</variant>
-													<string>>

(:include </string>
-													<variant>1</variant>
-													<weak_ptr>
-														<expired>0</expired>
-														<shared_ptr>
-															<id>-67</id>
+															<id>-19</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string> synopsis:)
</string>
+													<string>>

(:include decl:)
</string>
                                                                                                 </container>
                                                                                         </pair>
                                                                                         <pair>
                                                                                                 <weak_ptr>
                                                                                                         <expired>0</expired>
                                                                                                         <shared_ptr>
-														<id>-24</id>
+														<id>-29</id>
                                                                                                         </shared_ptr>
                                                                                                 </weak_ptr>
                                                                                                 <container>
-													<size>5</size>
+													<size>3</size>
                                                                                                         <variant>2</variant>
-													<string>`#include <</string>
+													<string>`#include <(:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-15</id>
+															<id>-8</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>>

(:include </string>
+													<string>:)>

[@(:include decl:)@]
</string>
+												</container>
+											</pair>
+											<pair>
+												<weak_ptr>
+													<expired>0</expired>
+													<shared_ptr>
+														<id>-30</id>
+													</shared_ptr>
+												</weak_ptr>
+												<container>
+													<size>3</size>
+													<variant>2</variant>
+													<string>`#include <(:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-15</id>
+															<id>-72</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string> synopsis:)
</string>
+													<string>:)>

[@namespace
boost
    {
(:include def pre_indent="4":)
    }@]
</string>
                                                                                                 </container>
                                                                                         </pair>
                                                                                         <pair>
                                                                                                 <weak_ptr>
                                                                                                         <expired>0</expired>
                                                                                                         <shared_ptr>
-														<id>-25</id>
+														<id>-31</id>
+													</shared_ptr>
+												</weak_ptr>
+												<container>
+													<size>0</size>
+												</container>
+											</pair>
+											<pair>
+												<weak_ptr>
+													<expired>0</expired>
+													<shared_ptr>
+														<id>-32</id>
                                                                                                         </shared_ptr>
                                                                                                 </weak_ptr>
                                                                                                 <container>
@@ -12308,7 +12445,7 @@
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-49</id>
+															<id>-71</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
@@ -12317,7 +12454,7 @@
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-49</id>
+															<id>-71</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
@@ -12328,42 +12465,18 @@
                                                                                                 <weak_ptr>
                                                                                                         <expired>0</expired>
                                                                                                         <shared_ptr>
-														<id>-26</id>
-													</shared_ptr>
-												</weak_ptr>
-												<container>
-													<size>3</size>
-													<variant>2</variant>
-													<string>`#include <(:link </string>
-													<variant>1</variant>
-													<weak_ptr>
-														<expired>0</expired>
-														<shared_ptr>
-															<id>-31</id>
-														</shared_ptr>
-													</weak_ptr>
-													<variant>2</variant>
-													<string>:)>\\

[@namespace
boost
    {
(:include decl pre_indent="4":)
    }@]
</string>
-												</container>
-											</pair>
-											<pair>
-												<weak_ptr>
-													<expired>0</expired>
-													<shared_ptr>
-														<id>-27</id>
+														<id>-33</id>
                                                                                                         </shared_ptr>
                                                                                                 </weak_ptr>
                                                                                                 <container>
-													<size>1</size>
-													<variant>2</variant>
-													<string>[@namespace
boost
    {
(:include decl pre_indent="4":)
    }@]
</string>
+													<size>0</size>
                                                                                                 </container>
                                                                                         </pair>
                                                                                         <pair>
                                                                                                 <weak_ptr>
                                                                                                         <expired>0</expired>
                                                                                                         <shared_ptr>
-														<id>-28</id>
+														<id>-34</id>
                                                                                                         </shared_ptr>
                                                                                                 </weak_ptr>
                                                                                                 <container>
@@ -12374,7 +12487,7 @@
                                                                                                 <weak_ptr>
                                                                                                         <expired>0</expired>
                                                                                                         <shared_ptr>
-														<id>-29</id>
+														<id>-35</id>
                                                                                                         </shared_ptr>
                                                                                                 </weak_ptr>
                                                                                                 <container>
@@ -12385,137 +12498,152 @@
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-45</id>
+															<id>-19</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>:)>

[@namespace
boost
    {
(:include def pre_indent="4":)
    }@]
</string>
+													<string>:)>

[@namespace
boost
    {
(:include decl:)
    }@]
</string>
                                                                                                 </container>
                                                                                         </pair>
                                                                                         <pair>
                                                                                                 <weak_ptr>
                                                                                                         <expired>0</expired>
                                                                                                         <shared_ptr>
-														<id>-30</id>
+														<id>-36</id>
                                                                                                         </shared_ptr>
                                                                                                 </weak_ptr>
                                                                                                 <container>
                                                                                                         <size>3</size>
                                                                                                         <variant>2</variant>
-													<string>[@#include <</string>
+													<string>`#include <(:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-45</id>
+															<id>-27</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>>

namespace
boost
    {
(:include api pre_indent="4":)
    }@]
</string>
+													<string>:)>

[@namespace
boost
    {
(:include decl pre_indent="4":)
    }@]
</string>
                                                                                                 </container>
                                                                                         </pair>
                                                                                         <pair>
                                                                                                 <weak_ptr>
                                                                                                         <expired>0</expired>
                                                                                                         <shared_ptr>
-														<id>-31</id>
+														<id>-37</id>
                                                                                                         </shared_ptr>
                                                                                                 </weak_ptr>
                                                                                                 <container>
                                                                                                         <size>3</size>
                                                                                                         <variant>2</variant>
-													<string>[@#include <(:link </string>
+													<string>`#include <(:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-45</id>
+															<id>-27</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>:)>

namespace
boost
    {
(:include api pre_indent="4":)
    }@]
</string>
+													<string>:)>

[@namespace
boost
    {
(:include decl pre_indent="4":)
    }@]
</string>
                                                                                                 </container>
                                                                                         </pair>
                                                                                         <pair>
                                                                                                 <weak_ptr>
                                                                                                         <expired>0</expired>
                                                                                                         <shared_ptr>
-														<id>-32</id>
+														<id>-38</id>
                                                                                                         </shared_ptr>
                                                                                                 </weak_ptr>
                                                                                                 <container>
-													<size>5</size>
+													<size>3</size>
                                                                                                         <variant>2</variant>
                                                                                                         <string>`#include <</string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-54</id>
-														</shared_ptr>
-													</weak_ptr>
-													<variant>2</variant>
-													<string>>

(:include </string>
-													<variant>1</variant>
-													<weak_ptr>
-														<expired>0</expired>
-														<shared_ptr>
-															<id>-54</id>
+															<id>-42</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string> synopsis:)
</string>
+													<string>>

[@namespace
boost
    {
(:include decl pre_indent="4":)
    }@]
</string>
                                                                                                 </container>
                                                                                         </pair>
                                                                                         <pair>
                                                                                                 <weak_ptr>
                                                                                                         <expired>0</expired>
                                                                                                         <shared_ptr>
-														<id>-33</id>
+														<id>-39</id>
                                                                                                         </shared_ptr>
                                                                                                 </weak_ptr>
                                                                                                 <container>
-													<size>3</size>
-													<variant>2</variant>
-													<string>`#include <(:link </string>
-													<variant>1</variant>
-													<weak_ptr>
-														<expired>0</expired>
-														<shared_ptr>
-															<id>-47</id>
-														</shared_ptr>
-													</weak_ptr>
+													<size>0</size>
+												</container>
+											</pair>
+											<pair>
+												<weak_ptr>
+													<expired>0</expired>
+													<shared_ptr>
+														<id>-40</id>
+													</shared_ptr>
+												</weak_ptr>
+												<container>
+													<size>1</size>
                                                                                                         <variant>2</variant>
-													<string>:)>

[@namespace
boost
    {
(:include decl pre_indent="4":)
    }@]
</string>
+													<string>[@(:include api:)@]
</string>
                                                                                                 </container>
                                                                                         </pair>
                                                                                         <pair>
                                                                                                 <weak_ptr>
                                                                                                         <expired>0</expired>
                                                                                                         <shared_ptr>
-														<id>-34</id>
+														<id>-41</id>
                                                                                                         </shared_ptr>
                                                                                                 </weak_ptr>
                                                                                                 <container>
-													<size>0</size>
+													<size>3</size>
+													<variant>2</variant>
+													<string>[@#include <</string>
+													<variant>1</variant>
+													<weak_ptr>
+														<expired>0</expired>
+														<shared_ptr>
+															<id>-73</id>
+														</shared_ptr>
+													</weak_ptr>
+													<variant>2</variant>
+													<string>>
#include <string>

namespace
boost
    {
(:include api pre_indent="4":)
    }@]
</string>
                                                                                                 </container>
                                                                                         </pair>
                                                                                         <pair>
                                                                                                 <weak_ptr>
                                                                                                         <expired>0</expired>
                                                                                                         <shared_ptr>
-														<id>-35</id>
+														<id>-42</id>
                                                                                                         </shared_ptr>
                                                                                                 </weak_ptr>
                                                                                                 <container>
-													<size>0</size>
+													<size>3</size>
+													<variant>2</variant>
+													<string>[@#include <</string>
+													<variant>1</variant>
+													<weak_ptr>
+														<expired>0</expired>
+														<shared_ptr>
+															<id>-72</id>
+														</shared_ptr>
+													</weak_ptr>
+													<variant>2</variant>
+													<string>>

namespace
boost
    {
(:include api pre_indent="4":)
    }@]
</string>
                                                                                                 </container>
                                                                                         </pair>
                                                                                         <pair>
                                                                                                 <weak_ptr>
                                                                                                         <expired>0</expired>
                                                                                                         <shared_ptr>
-														<id>-36</id>
+														<id>-43</id>
                                                                                                         </shared_ptr>
                                                                                                 </weak_ptr>
                                                                                                 <container>
@@ -12526,7 +12654,7 @@
                                                                                                 <weak_ptr>
                                                                                                         <expired>0</expired>
                                                                                                         <shared_ptr>
-														<id>-37</id>
+														<id>-44</id>
                                                                                                         </shared_ptr>
                                                                                                 </weak_ptr>
                                                                                                 <container>
@@ -12537,82 +12665,71 @@
                                                                                                 <weak_ptr>
                                                                                                         <expired>0</expired>
                                                                                                         <shared_ptr>
-														<id>-38</id>
+														<id>-45</id>
                                                                                                         </shared_ptr>
                                                                                                 </weak_ptr>
                                                                                                 <container>
-													<size>5</size>
+													<size>3</size>
                                                                                                         <variant>2</variant>
                                                                                                         <string>`#include <</string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-44</id>
-														</shared_ptr>
-													</weak_ptr>
-													<variant>2</variant>
-													<string>>

(:include </string>
-													<variant>1</variant>
-													<weak_ptr>
-														<expired>0</expired>
-														<shared_ptr>
-															<id>-44</id>
+															<id>-57</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string> synopsis:)
</string>
+													<string>>

[@namespace
boost
    {
(:include decl pre_indent="4":)
    }@]
</string>
                                                                                                 </container>
                                                                                         </pair>
                                                                                         <pair>
                                                                                                 <weak_ptr>
                                                                                                         <expired>0</expired>
                                                                                                         <shared_ptr>
-														<id>-39</id>
+														<id>-46</id>
                                                                                                         </shared_ptr>
                                                                                                 </weak_ptr>
                                                                                                 <container>
-													<size>3</size>
-													<variant>2</variant>
-													<string>[@#include <</string>
-													<variant>1</variant>
-													<weak_ptr>
-														<expired>0</expired>
-														<shared_ptr>
-															<id>-31</id>
-														</shared_ptr>
-													</weak_ptr>
-													<variant>2</variant>
-													<string>>
#include <boost/tuple/tuple.hpp>

namespace
boost
    {
(:include api pre_indent="4":)
    }@]
</string>
+													<size>0</size>
                                                                                                 </container>
                                                                                         </pair>
                                                                                         <pair>
                                                                                                 <weak_ptr>
                                                                                                         <expired>0</expired>
                                                                                                         <shared_ptr>
-														<id>-40</id>
+														<id>-47</id>
                                                                                                         </shared_ptr>
                                                                                                 </weak_ptr>
                                                                                                 <container>
-													<size>3</size>
+													<size>5</size>
                                                                                                         <variant>2</variant>
-													<string>`#include <(:link </string>
+													<string>`#include <</string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-76</id>
+															<id>-58</id>
+														</shared_ptr>
+													</weak_ptr>
+													<variant>2</variant>
+													<string>>

(:include </string>
+													<variant>1</variant>
+													<weak_ptr>
+														<expired>0</expired>
+														<shared_ptr>
+															<id>-58</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>:)>\\

[@namespace
boost
    {
(:include decl pre_indent="4":)
    }@]
</string>
+													<string> synopsis:)
</string>
                                                                                                 </container>
                                                                                         </pair>
                                                                                         <pair>
                                                                                                 <weak_ptr>
                                                                                                         <expired>0</expired>
                                                                                                         <shared_ptr>
-														<id>-41</id>
+														<id>-48</id>
                                                                                                         </shared_ptr>
                                                                                                 </weak_ptr>
                                                                                                 <container>
@@ -12623,29 +12740,29 @@
                                                                                                 <weak_ptr>
                                                                                                         <expired>0</expired>
                                                                                                         <shared_ptr>
-														<id>-42</id>
+														<id>-49</id>
                                                                                                         </shared_ptr>
                                                                                                 </weak_ptr>
                                                                                                 <container>
                                                                                                         <size>3</size>
                                                                                                         <variant>2</variant>
-													<string>`#include <(:link </string>
+													<string>`#include <</string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-76</id>
+															<id>-56</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>:)>\\

[@namespace
boost
    {
(:include decl pre_indent="4":)
    }@]
</string>
+													<string>>

[@namespace
boost
    {
(:include decl pre_indent="4":)
    }@]
</string>
                                                                                                 </container>
                                                                                         </pair>
                                                                                         <pair>
                                                                                                 <weak_ptr>
                                                                                                         <expired>0</expired>
                                                                                                         <shared_ptr>
-														<id>-43</id>
+														<id>-50</id>
                                                                                                         </shared_ptr>
                                                                                                 </weak_ptr>
                                                                                                 <container>
@@ -12656,53 +12773,18 @@
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-31</id>
-														</shared_ptr>
-													</weak_ptr>
-													<variant>2</variant>
-													<string>:)>

[@namespace
boost
    {
(:include def pre_indent="4":)
    }@]
</string>
-												</container>
-											</pair>
-											<pair>
-												<weak_ptr>
-													<expired>0</expired>
-													<shared_ptr>
-														<id>-44</id>
-													</shared_ptr>
-												</weak_ptr>
-												<container>
-													<size>3</size>
-													<variant>2</variant>
-													<string>[@#include <</string>
-													<variant>1</variant>
-													<weak_ptr>
-														<expired>0</expired>
-														<shared_ptr>
-															<id>-16</id>
+															<id>-8</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>>
#include <string>

namespace
boost
    {
(:include api pre_indent="4":)
    }@]
</string>
-												</container>
-											</pair>
-											<pair>
-												<weak_ptr>
-													<expired>0</expired>
-													<shared_ptr>
-														<id>-45</id>
-													</shared_ptr>
-												</weak_ptr>
-												<container>
-													<size>1</size>
-													<variant>2</variant>
-													<string>[@namespace
boost
    {
(:include api pre_indent="4":)
    }@]
</string>
+													<string>:)>\\

[@namespace
boost
    {
(:include decl pre_indent="4":)
    }@]
</string>
                                                                                                 </container>
                                                                                         </pair>
                                                                                         <pair>
                                                                                                 <weak_ptr>
                                                                                                         <expired>0</expired>
                                                                                                         <shared_ptr>
-														<id>-46</id>
+														<id>-51</id>
                                                                                                         </shared_ptr>
                                                                                                 </weak_ptr>
                                                                                                 <container>
@@ -12713,42 +12795,38 @@
                                                                                                 <weak_ptr>
                                                                                                         <expired>0</expired>
                                                                                                         <shared_ptr>
-														<id>-47</id>
+														<id>-52</id>
                                                                                                         </shared_ptr>
                                                                                                 </weak_ptr>
                                                                                                 <container>
-													<size>3</size>
+													<size>5</size>
                                                                                                         <variant>2</variant>
-													<string>[@#include <(:link </string>
+													<string>`#include <</string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-45</id>
+															<id>-9</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>:)>

namespace
boost
    {
(:include api pre_indent="4":)
    }@]
</string>
-												</container>
-											</pair>
-											<pair>
-												<weak_ptr>
-													<expired>0</expired>
-													<shared_ptr>
-														<id>-48</id>
-													</shared_ptr>
-												</weak_ptr>
-												<container>
-													<size>1</size>
+													<string>>

(:include </string>
+													<variant>1</variant>
+													<weak_ptr>
+														<expired>0</expired>
+														<shared_ptr>
+															<id>-9</id>
+														</shared_ptr>
+													</weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>[@namespace
boost
    {
(:include api pre_indent="4":)
    }@]
</string>
+													<string> synopsis:)
</string>
                                                                                                 </container>
                                                                                         </pair>
                                                                                         <pair>
                                                                                                 <weak_ptr>
                                                                                                         <expired>0</expired>
                                                                                                         <shared_ptr>
-														<id>-49</id>
+														<id>-53</id>
                                                                                                         </shared_ptr>
                                                                                                 </weak_ptr>
                                                                                                 <container>
@@ -12759,18 +12837,18 @@
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-16</id>
+															<id>-73</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>>
#include <errno.h>

namespace
boost
    {
(:include api pre_indent="4":)
    }@]
</string>
+													<string>>

namespace
boost
    {
    template <class> class weak_ptr;
(:include api pre_indent="4":)
    }@]
</string>
                                                                                                 </container>
                                                                                         </pair>
                                                                                         <pair>
                                                                                                 <weak_ptr>
                                                                                                         <expired>0</expired>
                                                                                                         <shared_ptr>
-														<id>-50</id>
+														<id>-54</id>
                                                                                                         </shared_ptr>
                                                                                                 </weak_ptr>
                                                                                                 <container>
@@ -12781,7 +12859,7 @@
                                                                                                 <weak_ptr>
                                                                                                         <expired>0</expired>
                                                                                                         <shared_ptr>
-														<id>-51</id>
+														<id>-55</id>
                                                                                                         </shared_ptr>
                                                                                                 </weak_ptr>
                                                                                                 <container>
@@ -12792,7 +12870,7 @@
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-31</id>
+															<id>-8</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
@@ -12803,7 +12881,7 @@
                                                                                                 <weak_ptr>
                                                                                                         <expired>0</expired>
                                                                                                         <shared_ptr>
-														<id>-52</id>
+														<id>-56</id>
                                                                                                         </shared_ptr>
                                                                                                 </weak_ptr>
                                                                                                 <container>
@@ -12814,7 +12892,7 @@
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-16</id>
+															<id>-72</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
@@ -12825,18 +12903,20 @@
                                                                                                 <weak_ptr>
                                                                                                         <expired>0</expired>
                                                                                                         <shared_ptr>
-														<id>-53</id>
+														<id>-57</id>
                                                                                                         </shared_ptr>
                                                                                                 </weak_ptr>
                                                                                                 <container>
-													<size>0</size>
+													<size>1</size>
+													<variant>2</variant>
+													<string>[@namespace
boost
    {
(:include api pre_indent="4":)
    }@]
</string>
                                                                                                 </container>
                                                                                         </pair>
                                                                                         <pair>
                                                                                                 <weak_ptr>
                                                                                                         <expired>0</expired>
                                                                                                         <shared_ptr>
-														<id>-54</id>
+														<id>-58</id>
                                                                                                         </shared_ptr>
                                                                                                 </weak_ptr>
                                                                                                 <container>
@@ -12847,7 +12927,7 @@
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-16</id>
+															<id>-73</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
@@ -12858,29 +12938,60 @@
                                                                                                 <weak_ptr>
                                                                                                         <expired>0</expired>
                                                                                                         <shared_ptr>
-														<id>-55</id>
+														<id>-59</id>
                                                                                                         </shared_ptr>
                                                                                                 </weak_ptr>
                                                                                                 <container>
-													<size>0</size>
+													<size>5</size>
+													<variant>2</variant>
+													<string>`#include <</string>
+													<variant>1</variant>
+													<weak_ptr>
+														<expired>0</expired>
+														<shared_ptr>
+															<id>-53</id>
+														</shared_ptr>
+													</weak_ptr>
+													<variant>2</variant>
+													<string>>

(:include </string>
+													<variant>1</variant>
+													<weak_ptr>
+														<expired>0</expired>
+														<shared_ptr>
+															<id>-53</id>
+														</shared_ptr>
+													</weak_ptr>
+													<variant>2</variant>
+													<string> synopsis:)
</string>
                                                                                                 </container>
                                                                                         </pair>
                                                                                         <pair>
                                                                                                 <weak_ptr>
                                                                                                         <expired>0</expired>
                                                                                                         <shared_ptr>
-														<id>-56</id>
+														<id>-60</id>
                                                                                                         </shared_ptr>
                                                                                                 </weak_ptr>
                                                                                                 <container>
-													<size>0</size>
+													<size>3</size>
+													<variant>2</variant>
+													<string>`#include <(:link </string>
+													<variant>1</variant>
+													<weak_ptr>
+														<expired>0</expired>
+														<shared_ptr>
+															<id>-8</id>
+														</shared_ptr>
+													</weak_ptr>
+													<variant>2</variant>
+													<string>:)>

[@(:include decl:)@]
</string>
                                                                                                 </container>
                                                                                         </pair>
                                                                                         <pair>
                                                                                                 <weak_ptr>
                                                                                                         <expired>0</expired>
                                                                                                         <shared_ptr>
-														<id>-57</id>
+														<id>-61</id>
                                                                                                         </shared_ptr>
                                                                                                 </weak_ptr>
                                                                                                 <container>
@@ -12891,18 +13002,20 @@
                                                                                                 <weak_ptr>
                                                                                                         <expired>0</expired>
                                                                                                         <shared_ptr>
-														<id>-58</id>
+														<id>-62</id>
                                                                                                         </shared_ptr>
                                                                                                 </weak_ptr>
                                                                                                 <container>
-													<size>0</size>
+													<size>1</size>
+													<variant>2</variant>
+													<string>[@#include <boost/shared_ptr.hpp>

namespace
boost
    {
(:include api pre_indent="4":)
    }@]
</string>
                                                                                                 </container>
                                                                                         </pair>
                                                                                         <pair>
                                                                                                 <weak_ptr>
                                                                                                         <expired>0</expired>
                                                                                                         <shared_ptr>
-														<id>-59</id>
+														<id>-63</id>
                                                                                                         </shared_ptr>
                                                                                                 </weak_ptr>
                                                                                                 <container>
@@ -12913,7 +13026,7 @@
                                                                                                 <weak_ptr>
                                                                                                         <expired>0</expired>
                                                                                                         <shared_ptr>
-														<id>-60</id>
+														<id>-64</id>
                                                                                                         </shared_ptr>
                                                                                                 </weak_ptr>
                                                                                                 <container>
@@ -12924,71 +13037,51 @@
                                                                                                 <weak_ptr>
                                                                                                         <expired>0</expired>
                                                                                                         <shared_ptr>
-														<id>-61</id>
+														<id>-65</id>
                                                                                                         </shared_ptr>
                                                                                                 </weak_ptr>
                                                                                                 <container>
                                                                                                         <size>3</size>
                                                                                                         <variant>2</variant>
-													<string>[@#include <</string>
+													<string>`#include <(:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-16</id>
+															<id>-27</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>>
#include <string>

namespace
boost
    {
(:include api pre_indent="4":)
    }@]
</string>
-												</container>
-											</pair>
-											<pair>
-												<weak_ptr>
-													<expired>0</expired>
-													<shared_ptr>
-														<id>-62</id>
-													</shared_ptr>
-												</weak_ptr>
-												<container>
-													<size>0</size>
+													<string>:)>

[@namespace
boost
    {
(:include decl pre_indent="4":)
    }@]
</string>
                                                                                                 </container>
                                                                                         </pair>
                                                                                         <pair>
                                                                                                 <weak_ptr>
                                                                                                         <expired>0</expired>
                                                                                                         <shared_ptr>
-														<id>-63</id>
+														<id>-66</id>
                                                                                                         </shared_ptr>
                                                                                                 </weak_ptr>
                                                                                                 <container>
-													<size>5</size>
+													<size>3</size>
                                                                                                         <variant>2</variant>
                                                                                                         <string>`#include <(:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-39</id>
-														</shared_ptr>
-													</weak_ptr>
-													<variant>2</variant>
-													<string>:)>

[@namespace
boost
    {
(:include </string>
-													<variant>1</variant>
-													<weak_ptr>
-														<expired>0</expired>
-														<shared_ptr>
-															<id>-63</id>
+															<id>-24</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string> decl pre_indent="4":)
    }@]
</string>
+													<string>:)>\\

[@namespace
boost
    {
(:include decl pre_indent="4":)
    }@]
</string>
                                                                                                 </container>
                                                                                         </pair>
                                                                                         <pair>
                                                                                                 <weak_ptr>
                                                                                                         <expired>0</expired>
                                                                                                         <shared_ptr>
-														<id>-64</id>
+														<id>-67</id>
                                                                                                         </shared_ptr>
                                                                                                 </weak_ptr>
                                                                                                 <container>
@@ -12999,73 +13092,49 @@
                                                                                                 <weak_ptr>
                                                                                                         <expired>0</expired>
                                                                                                         <shared_ptr>
-														<id>-65</id>
+														<id>-68</id>
                                                                                                         </shared_ptr>
                                                                                                 </weak_ptr>
                                                                                                 <container>
-													<size>3</size>
+													<size>5</size>
                                                                                                         <variant>2</variant>
                                                                                                         <string>`#include <(:link </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-69</id>
+															<id>-11</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>:)>

[@namespace
boost
    {
(:include decl:)
    }@]
</string>
-												</container>
-											</pair>
-											<pair>
-												<weak_ptr>
-													<expired>0</expired>
-													<shared_ptr>
-														<id>-66</id>
-													</shared_ptr>
-												</weak_ptr>
-												<container>
-													<size>3</size>
-													<variant>2</variant>
-													<string>`#include <(:link </string>
+													<string>:)>

[@namespace
boost
    {
(:include </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-47</id>
+															<id>-68</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>:)>

[@namespace
boost
    {
(:include decl pre_indent="4":)
    }@]
</string>
+													<string> decl pre_indent="4":)
    }@]
</string>
                                                                                                 </container>
                                                                                         </pair>
                                                                                         <pair>
                                                                                                 <weak_ptr>
                                                                                                         <expired>0</expired>
                                                                                                         <shared_ptr>
-														<id>-67</id>
+														<id>-69</id>
                                                                                                         </shared_ptr>
                                                                                                 </weak_ptr>
                                                                                                 <container>
-													<size>3</size>
-													<variant>2</variant>
-													<string>[@#include <</string>
-													<variant>1</variant>
-													<weak_ptr>
-														<expired>0</expired>
-														<shared_ptr>
-															<id>-16</id>
-														</shared_ptr>
-													</weak_ptr>
-													<variant>2</variant>
-													<string>>
#include <string>

namespace
boost
    {
(:include api pre_indent="4":)
    }@]
</string>
+													<size>0</size>
                                                                                                 </container>
                                                                                         </pair>
                                                                                         <pair>
                                                                                                 <weak_ptr>
                                                                                                         <expired>0</expired>
                                                                                                         <shared_ptr>
-														<id>-68</id>
+														<id>-70</id>
                                                                                                         </shared_ptr>
                                                                                                 </weak_ptr>
                                                                                                 <container>
@@ -13076,44 +13145,55 @@
                                                                                                 <weak_ptr>
                                                                                                         <expired>0</expired>
                                                                                                         <shared_ptr>
-														<id>-69</id>
+														<id>-71</id>
                                                                                                         </shared_ptr>
                                                                                                 </weak_ptr>
                                                                                                 <container>
-													<size>1</size>
+													<size>3</size>
                                                                                                         <variant>2</variant>
-													<string>(:include api:)
</string>
+													<string>[@#include <</string>
+													<variant>1</variant>
+													<weak_ptr>
+														<expired>0</expired>
+														<shared_ptr>
+															<id>-73</id>
+														</shared_ptr>
+													</weak_ptr>
+													<variant>2</variant>
+													<string>>
#include <errno.h>

namespace
boost
    {
(:include api pre_indent="4":)
    }@]
</string>
                                                                                                 </container>
                                                                                         </pair>
                                                                                         <pair>
                                                                                                 <weak_ptr>
                                                                                                         <expired>0</expired>
                                                                                                         <shared_ptr>
-														<id>-70</id>
+														<id>-72</id>
                                                                                                         </shared_ptr>
                                                                                                 </weak_ptr>
                                                                                                 <container>
                                                                                                         <size>1</size>
                                                                                                         <variant>2</variant>
-													<string>[@(:include api:)@]
</string>
+													<string>[@namespace
boost
    {
(:include api pre_indent="4":)
    }@]
</string>
                                                                                                 </container>
                                                                                         </pair>
                                                                                         <pair>
                                                                                                 <weak_ptr>
                                                                                                         <expired>0</expired>
                                                                                                         <shared_ptr>
-														<id>-71</id>
+														<id>-73</id>
                                                                                                         </shared_ptr>
                                                                                                 </weak_ptr>
                                                                                                 <container>
-													<size>0</size>
+													<size>1</size>
+													<variant>2</variant>
+													<string>[@namespace
boost
    {
(:include api pre_indent="4":)
    }@]
</string>
                                                                                                 </container>
                                                                                         </pair>
                                                                                         <pair>
                                                                                                 <weak_ptr>
                                                                                                         <expired>0</expired>
                                                                                                         <shared_ptr>
-														<id>-72</id>
+														<id>-74</id>
                                                                                                         </shared_ptr>
                                                                                                 </weak_ptr>
                                                                                                 <container>
@@ -13124,99 +13204,73 @@
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-47</id>
+															<id>-24</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>:)>

[@namespace
boost
    {
(:include decl pre_indent="4":)
    }@]
</string>
+													<string>:)>\\

[@namespace
boost
    {
(:include decl pre_indent="4":)
    }@]
</string>
                                                                                                 </container>
                                                                                         </pair>
                                                                                         <pair>
                                                                                                 <weak_ptr>
                                                                                                         <expired>0</expired>
                                                                                                         <shared_ptr>
-														<id>-73</id>
+														<id>-75</id>
                                                                                                         </shared_ptr>
                                                                                                 </weak_ptr>
                                                                                                 <container>
-													<size>3</size>
+													<size>5</size>
                                                                                                         <variant>2</variant>
-													<string>[@#include <</string>
+													<string>`#include <</string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-45</id>
+															<id>-14</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>>

namespace
boost
    {
(:include api pre_indent="4":)
    }@]
</string>
-												</container>
-											</pair>
-											<pair>
-												<weak_ptr>
-													<expired>0</expired>
-													<shared_ptr>
-														<id>-74</id>
-													</shared_ptr>
-												</weak_ptr>
-												<container>
-													<size>3</size>
-													<variant>2</variant>
-													<string>`#include <(:link </string>
+													<string>>

(:include </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-47</id>
+															<id>-14</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>:)>

[@namespace
boost
    {
(:include decl pre_indent="4":)
    }@]
</string>
+													<string> synopsis:)
</string>
                                                                                                 </container>
                                                                                         </pair>
                                                                                         <pair>
                                                                                                 <weak_ptr>
                                                                                                         <expired>0</expired>
                                                                                                         <shared_ptr>
-														<id>-75</id>
+														<id>-76</id>
                                                                                                         </shared_ptr>
                                                                                                 </weak_ptr>
                                                                                                 <container>
-													<size>3</size>
+													<size>5</size>
                                                                                                         <variant>2</variant>
-													<string>`#include <(:link </string>
+													<string>`#include <</string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-31</id>
+															<id>-41</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string>:)>

[@(:include decl:)@]
</string>
-												</container>
-											</pair>
-											<pair>
-												<weak_ptr>
-													<expired>0</expired>
-													<shared_ptr>
-														<id>-76</id>
-													</shared_ptr>
-												</weak_ptr>
-												<container>
-													<size>3</size>
-													<variant>2</variant>
-													<string>[@#include <string>

namespace
boost
    {
(:include </string>
+													<string>>

(:include </string>
                                                                                                         <variant>1</variant>
                                                                                                         <weak_ptr>
                                                                                                                 <expired>0</expired>
                                                                                                                 <shared_ptr>
-															<id>-29</id>
+															<id>-41</id>
                                                                                                                 </shared_ptr>
                                                                                                         </weak_ptr>
                                                                                                         <variant>2</variant>
-													<string> decl pre_indent="4":)

(:include api pre_indent="4":)
    }@]
</string>
+													<string> synopsis:)
</string>
                                                                                                 </container>
                                                                                         </pair>
                                                                                 </sorted>
@@ -13472,7 +13526,7 @@
                                                                                 </path>
                                                                         </file>
                                                                         <shared_ptr>
-										<id>-55</id>
+										<id>-54</id>
                                                                         </shared_ptr>
                                                                 </pair>
                                                                 <pair>
@@ -13489,7 +13543,7 @@
                                                                                 </path>
                                                                         </file>
                                                                         <shared_ptr>
-										<id>-19</id>
+										<id>-63</id>
                                                                         </shared_ptr>
                                                                 </pair>
                                                                 <pair>
@@ -13506,7 +13560,7 @@
                                                                                 </path>
                                                                         </file>
                                                                         <shared_ptr>
-										<id>-53</id>
+										<id>-10</id>
                                                                         </shared_ptr>
                                                                 </pair>
                                                                 <pair>
@@ -13523,7 +13577,7 @@
                                                                                 </path>
                                                                         </file>
                                                                         <shared_ptr>
-										<id>-37</id>
+										<id>-21</id>
                                                                         </shared_ptr>
                                                                 </pair>
                                                                 <pair>
@@ -13540,7 +13594,7 @@
                                                                                 </path>
                                                                         </file>
                                                                         <shared_ptr>
-										<id>-73</id>
+										<id>-42</id>
                                                                         </shared_ptr>
                                                                 </pair>
                                                                 <pair>
@@ -13557,7 +13611,7 @@
                                                                                 </path>
                                                                         </file>
                                                                         <shared_ptr>
-										<id>-30</id>
+										<id>-56</id>
                                                                         </shared_ptr>
                                                                 </pair>
                                                                 <pair>
@@ -13574,7 +13628,7 @@
                                                                                 </path>
                                                                         </file>
                                                                         <shared_ptr>
-										<id>-64</id>
+										<id>-48</id>
                                                                         </shared_ptr>
                                                                 </pair>
                                                                 <pair>
@@ -13591,7 +13645,7 @@
                                                                                 </path>
                                                                         </file>
                                                                         <shared_ptr>
-										<id>-41</id>
+										<id>-69</id>
                                                                         </shared_ptr>
                                                                 </pair>
                                                                 <pair>
@@ -13608,7 +13662,7 @@
                                                                                 </path>
                                                                         </file>
                                                                         <shared_ptr>
-										<id>-58</id>
+										<id>-26</id>
                                                                         </shared_ptr>
                                                                 </pair>
                                                                 <pair>
@@ -13625,7 +13679,7 @@
                                                                                 </path>
                                                                         </file>
                                                                         <shared_ptr>
-										<id>-28</id>
+										<id>-18</id>
                                                                         </shared_ptr>
                                                                 </pair>
                                                                 <pair>
@@ -13642,7 +13696,7 @@
                                                                                 </path>
                                                                         </file>
                                                                         <shared_ptr>
-										<id>-21</id>
+										<id>-46</id>
                                                                         </shared_ptr>
                                                                 </pair>
                                                                 <pair>
@@ -13659,7 +13713,7 @@
                                                                                 </path>
                                                                         </file>
                                                                         <shared_ptr>
-										<id>-57</id>
+										<id>-31</id>
                                                                         </shared_ptr>
                                                                 </pair>
                                                                 <pair>
@@ -13676,7 +13730,7 @@
                                                                                 </path>
                                                                         </file>
                                                                         <shared_ptr>
-										<id>-46</id>
+										<id>-34</id>
                                                                         </shared_ptr>
                                                                 </pair>
                                                                 <pair>
@@ -13693,7 +13747,7 @@
                                                                                 </path>
                                                                         </file>
                                                                         <shared_ptr>
-										<id>-68</id>
+										<id>-44</id>
                                                                         </shared_ptr>
                                                                 </pair>
                                                                 <pair>
@@ -13710,7 +13764,7 @@
                                                                                 </path>
                                                                         </file>
                                                                         <shared_ptr>
-										<id>-71</id>
+										<id>-13</id>
                                                                         </shared_ptr>
                                                                 </pair>
                                                                 <pair>
@@ -13734,7 +13788,7 @@
                                                                                 </path>
                                                                         </file>
                                                                         <shared_ptr>
-										<id>-76</id>
+										<id>-24</id>
                                                                         </shared_ptr>
                                                                 </pair>
                                                                 <pair>
@@ -13758,7 +13812,7 @@
                                                                                 </path>
                                                                         </file>
                                                                         <shared_ptr>
-										<id>-47</id>
+										<id>-27</id>
                                                                         </shared_ptr>
                                                                 </pair>
                                                                 <pair>
@@ -13782,7 +13836,7 @@
                                                                                 </path>
                                                                         </file>
                                                                         <shared_ptr>
-										<id>-44</id>
+										<id>-7</id>
                                                                         </shared_ptr>
                                                                 </pair>
                                                                 <pair>
@@ -13810,7 +13864,7 @@
                                                                                 </path>
                                                                         </file>
                                                                         <shared_ptr>
-										<id>-23</id>
+										<id>-76</id>
                                                                         </shared_ptr>
                                                                 </pair>
                                                                 <pair>
@@ -13834,7 +13888,7 @@
                                                                                 </path>
                                                                         </file>
                                                                         <shared_ptr>
-										<id>-52</id>
+										<id>-58</id>
                                                                         </shared_ptr>
                                                                 </pair>
                                                                 <pair>
@@ -13862,7 +13916,7 @@
                                                                                 </path>
                                                                         </file>
                                                                         <shared_ptr>
-										<id>-11</id>
+										<id>-65</id>
                                                                         </shared_ptr>
                                                                 </pair>
                                                                 <pair>
@@ -13890,7 +13944,7 @@
                                                                                 </path>
                                                                         </file>
                                                                         <shared_ptr>
-										<id>-74</id>
+										<id>-22</id>
                                                                         </shared_ptr>
                                                                 </pair>
                                                                 <pair>
@@ -13918,7 +13972,7 @@
                                                                                 </path>
                                                                         </file>
                                                                         <shared_ptr>
-										<id>-66</id>
+										<id>-17</id>
                                                                         </shared_ptr>
                                                                 </pair>
                                                                 <pair>
@@ -13974,7 +14028,7 @@
                                                                                 </path>
                                                                         </file>
                                                                         <shared_ptr>
-										<id>-33</id>
+										<id>-36</id>
                                                                         </shared_ptr>
                                                                 </pair>
                                                                 <pair>
@@ -14002,7 +14056,7 @@
                                                                                 </path>
                                                                         </file>
                                                                         <shared_ptr>
-										<id>-72</id>
+										<id>-37</id>
                                                                         </shared_ptr>
                                                                 </pair>
                                                                 <pair>
@@ -14026,7 +14080,7 @@
                                                                                 </path>
                                                                         </file>
                                                                         <shared_ptr>
-										<id>-14</id>
+										<id>-61</id>
                                                                         </shared_ptr>
                                                                 </pair>
                                                                 <pair>
@@ -14050,7 +14104,7 @@
                                                                                 </path>
                                                                         </file>
                                                                         <shared_ptr>
-										<id>-59</id>
+										<id>-16</id>
                                                                         </shared_ptr>
                                                                 </pair>
                                                                 <pair>
@@ -14078,7 +14132,7 @@
                                                                                 </path>
                                                                         </file>
                                                                         <shared_ptr>
-										<id>-22</id>
+										<id>-52</id>
                                                                         </shared_ptr>
                                                                 </pair>
                                                                 <pair>
@@ -14106,7 +14160,7 @@
                                                                                 </path>
                                                                         </file>
                                                                         <shared_ptr>
-										<id>-51</id>
+										<id>-29</id>
                                                                         </shared_ptr>
                                                                 </pair>
                                                                 <pair>
@@ -14134,7 +14188,7 @@
                                                                                 </path>
                                                                         </file>
                                                                         <shared_ptr>
-										<id>-26</id>
+										<id>-50</id>
                                                                         </shared_ptr>
                                                                 </pair>
                                                                 <pair>
@@ -14158,7 +14212,7 @@
                                                                                 </path>
                                                                         </file>
                                                                         <shared_ptr>
-										<id>-49</id>
+										<id>-71</id>
                                                                         </shared_ptr>
                                                                 </pair>
                                                                 <pair>
@@ -14182,7 +14236,7 @@
                                                                                 </path>
                                                                         </file>
                                                                         <shared_ptr>
-										<id>-35</id>
+										<id>-67</id>
                                                                         </shared_ptr>
                                                                 </pair>
                                                                 <pair>
@@ -14210,7 +14264,7 @@
                                                                                 </path>
                                                                         </file>
                                                                         <shared_ptr>
-										<id>-13</id>
+										<id>-45</id>
                                                                         </shared_ptr>
                                                                 </pair>
                                                                 <pair>
@@ -14238,7 +14292,7 @@
                                                                                 </path>
                                                                         </file>
                                                                         <shared_ptr>
-										<id>-27</id>
+										<id>-23</id>
                                                                         </shared_ptr>
                                                                 </pair>
                                                                 <pair>
@@ -14266,7 +14320,7 @@
                                                                                 </path>
                                                                         </file>
                                                                         <shared_ptr>
-										<id>-24</id>
+										<id>-59</id>
                                                                         </shared_ptr>
                                                                 </pair>
                                                                 <pair>
@@ -14290,7 +14344,7 @@
                                                                                 </path>
                                                                         </file>
                                                                         <shared_ptr>
-										<id>-60</id>
+										<id>-33</id>
                                                                         </shared_ptr>
                                                                 </pair>
                                                                 <pair>
@@ -14314,7 +14368,7 @@
                                                                                 </path>
                                                                         </file>
                                                                         <shared_ptr>
-										<id>-62</id>
+										<id>-12</id>
                                                                         </shared_ptr>
                                                                 </pair>
                                                                 <pair>
@@ -14342,7 +14396,7 @@
                                                                                 </path>
                                                                         </file>
                                                                         <shared_ptr>
-										<id>-40</id>
+										<id>-74</id>
                                                                         </shared_ptr>
                                                                 </pair>
                                                                 <pair>
@@ -14366,7 +14420,7 @@
                                                                                 </path>
                                                                         </file>
                                                                         <shared_ptr>
-										<id>-61</id>
+										<id>-9</id>
                                                                         </shared_ptr>
                                                                 </pair>
                                                                 <pair>
@@ -14394,7 +14448,7 @@
                                                                                 </path>
                                                                         </file>
                                                                         <shared_ptr>
-										<id>-25</id>
+										<id>-32</id>
                                                                         </shared_ptr>
                                                                 </pair>
                                                                 <pair>
@@ -14418,7 +14472,7 @@
                                                                                 </path>
                                                                         </file>
                                                                         <shared_ptr>
-										<id>-70</id>
+										<id>-40</id>
                                                                         </shared_ptr>
                                                                 </pair>
                                                                 <pair>
@@ -14446,7 +14500,7 @@
                                                                                 </path>
                                                                         </file>
                                                                         <shared_ptr>
-										<id>-5</id>
+										<id>-47</id>
                                                                         </shared_ptr>
                                                                 </pair>
                                                                 <pair>
@@ -14470,7 +14524,7 @@
                                                                                 </path>
                                                                         </file>
                                                                         <shared_ptr>
-										<id>-54</id>
+										<id>-14</id>
                                                                         </shared_ptr>
                                                                 </pair>
                                                                 <pair>
@@ -14498,7 +14552,7 @@
                                                                                 </path>
                                                                         </file>
                                                                         <shared_ptr>
-										<id>-32</id>
+										<id>-75</id>
                                                                         </shared_ptr>
                                                                 </pair>
                                                                 <pair>
@@ -14526,7 +14580,7 @@
                                                                                 </path>
                                                                         </file>
                                                                         <shared_ptr>
-										<id>-42</id>
+										<id>-66</id>
                                                                         </shared_ptr>
                                                                 </pair>
                                                                 <pair>
@@ -14550,7 +14604,7 @@
                                                                                 </path>
                                                                         </file>
                                                                         <shared_ptr>
-										<id>-15</id>
+										<id>-53</id>
                                                                         </shared_ptr>
                                                                 </pair>
                                                                 <pair>
@@ -14574,7 +14628,7 @@
                                                                                 </path>
                                                                         </file>
                                                                         <shared_ptr>
-										<id>-56</id>
+										<id>-51</id>
                                                                         </shared_ptr>
                                                                 </pair>
                                                                 <pair>
@@ -14598,7 +14652,7 @@
                                                                                 </path>
                                                                         </file>
                                                                         <shared_ptr>
-										<id>-48</id>
+										<id>-57</id>
                                                                         </shared_ptr>
                                                                 </pair>
                                                                 <pair>
@@ -14622,7 +14676,7 @@
                                                                                 </path>
                                                                         </file>
                                                                         <shared_ptr>
-										<id>-67</id>
+										<id>-41</id>
                                                                         </shared_ptr>
                                                                 </pair>
                                                                 <pair>
@@ -14646,7 +14700,7 @@
                                                                                 </path>
                                                                         </file>
                                                                         <shared_ptr>
-										<id>-10</id>
+										<id>-70</id>
                                                                         </shared_ptr>
                                                                 </pair>
                                                                 <pair>
@@ -14674,7 +14728,7 @@
                                                                                 </path>
                                                                         </file>
                                                                         <shared_ptr>
-										<id>-43</id>
+										<id>-5</id>
                                                                         </shared_ptr>
                                                                 </pair>
                                                                 <pair>
@@ -14706,7 +14760,7 @@
                                                                                 </path>
                                                                         </file>
                                                                         <shared_ptr>
-										<id>-75</id>
+										<id>-55</id>
                                                                         </shared_ptr>
                                                                 </pair>
                                                                 <pair>
@@ -14738,7 +14792,7 @@
                                                                                 </path>
                                                                         </file>
                                                                         <shared_ptr>
-										<id>-8</id>
+										<id>-60</id>
                                                                         </shared_ptr>
                                                                 </pair>
                                                                 <pair>
@@ -14766,7 +14820,7 @@
                                                                                 </path>
                                                                         </file>
                                                                         <shared_ptr>
-										<id>-65</id>
+										<id>-35</id>
                                                                         </shared_ptr>
                                                                 </pair>
                                                                 <pair>
@@ -14798,7 +14852,7 @@
                                                                                 </path>
                                                                         </file>
                                                                         <shared_ptr>
-										<id>-17</id>
+										<id>-6</id>
                                                                         </shared_ptr>
                                                                 </pair>
                                                                 <pair>
@@ -14822,7 +14876,7 @@
                                                                                 </path>
                                                                         </file>
                                                                         <shared_ptr>
-										<id>-12</id>
+										<id>-62</id>
                                                                         </shared_ptr>
                                                                 </pair>
                                                                 <pair>
@@ -14846,7 +14900,79 @@
                                                                                 </path>
                                                                         </file>
                                                                         <shared_ptr>
-										<id>-31</id>
+										<id>-8</id>
+									</shared_ptr>
+								</pair>
+								<pair>
+									<hook>
+										<stream_hook_path>
+											<container>
+												<size>1</size>
+												<strong>CAD6C404CB725D336A44920D2341ECA131149AB02C368B59028F8147F16737BF</strong>
+												<weak>2258638601</weak>
+												<size>94</size>
+												<position>227</position>
+											</container>
+										</stream_hook_path>
+									</hook>
+									<file>
+										<path>
+											<empty>0</empty>
+											<string>../../../../boost/exception/info_tuple.hpp</string>
+											<type>0</type>
+											<base>0</base>
+										</path>
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@@ -14898,7 +15024,7 @@
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@@ -14926,7 +15052,7 @@
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@@ -14934,14 +15060,14 @@
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@@ -14954,7 +15080,7 @@
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@@ -14962,14 +15088,14 @@
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@@ -14982,7 +15108,7 @@
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@@ -14990,14 +15116,14 @@
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@@ -15408,151 +15462,151 @@
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-									<string>noindex</string>
+									<string>function</string>
                                                                 </pair>
                                                                 <pair>
                                                                         <weak_ptr>
                                                                                 <expired>0</expired>
                                                                                 <shared_ptr>
-											<id>-37</id>
+											<id>-47</id>
                                                                                 </shared_ptr>
                                                                         </weak_ptr>
-									<string></string>
+									<string>error_info_instance noalso type</string>
                                                                 </pair>
                                                                 <pair>
                                                                         <weak_ptr>
                                                                                 <expired>0</expired>
                                                                                 <shared_ptr>
-											<id>-38</id>
+											<id>-49</id>
                                                                                 </shared_ptr>
                                                                         </weak_ptr>
-									<string>type</string>
+									<string>exception_ptr free function</string>
                                                                 </pair>
                                                                 <pair>
                                                                         <weak_ptr>
                                                                                 <expired>0</expired>
                                                                                 <shared_ptr>
-											<id>-39</id>
+											<id>-50</id>
                                                                                 </shared_ptr>
                                                                         </weak_ptr>
-									<string></string>
+									<string>error_info free function</string>
                                                                 </pair>
                                                                 <pair>
                                                                         <weak_ptr>
                                                                                 <expired>0</expired>
                                                                                 <shared_ptr>
-											<id>-40</id>
+											<id>-51</id>
                                                                                 </shared_ptr>
                                                                         </weak_ptr>
-									<string>diagnostic_information free function</string>
+									<string>noalso noindex tutorial</string>
                                                                 </pair>
                                                                 <pair>
                                                                         <weak_ptr>
                                                                                 <expired>0</expired>
                                                                                 <shared_ptr>
-											<id>-41</id>
+											<id>-52</id>
                                                                                 </shared_ptr>
                                                                         </weak_ptr>
-									<string>tutorial</string>
+									<string>error_info_instance noalso type</string>
                                                                 </pair>
                                                                 <pair>
                                                                         <weak_ptr>
                                                                                 <expired>0</expired>
                                                                                 <shared_ptr>
-											<id>-42</id>
+											<id>-54</id>
                                                                                 </shared_ptr>
                                                                         </weak_ptr>
-									<string>function</string>
+									<string>noindex</string>
                                                                 </pair>
                                                                 <pair>
                                                                         <weak_ptr>
                                                                                 <expired>0</expired>
                                                                                 <shared_ptr>
-											<id>-43</id>
+											<id>-55</id>
                                                                                 </shared_ptr>
                                                                         </weak_ptr>
                                                                         <string>type</string>
@@ -15561,16 +15615,16 @@
                                                                         <weak_ptr>
                                                                                 <expired>0</expired>
                                                                                 <shared_ptr>
-											<id>-45</id>
+											<id>-56</id>
                                                                                 </shared_ptr>
                                                                         </weak_ptr>
-									<string></string>
+									<string>exception_ptr</string>
                                                                 </pair>
                                                                 <pair>
                                                                         <weak_ptr>
                                                                                 <expired>0</expired>
                                                                                 <shared_ptr>
-											<id>-47</id>
+											<id>-57</id>
                                                                                 </shared_ptr>
                                                                         </weak_ptr>
                                                                         <string></string>
@@ -15579,109 +15633,109 @@
                                                                         <weak_ptr>
                                                                                 <expired>0</expired>
                                                                                 <shared_ptr>
-											<id>-48</id>
+											<id>-59</id>
                                                                                 </shared_ptr>
                                                                         </weak_ptr>
-									<string></string>
+									<string>error_info_instance noalso type</string>
                                                                 </pair>
                                                                 <pair>
                                                                         <weak_ptr>
                                                                                 <expired>0</expired>
                                                                                 <shared_ptr>
-											<id>-50</id>
+											<id>-60</id>
                                                                                 </shared_ptr>
                                                                         </weak_ptr>
-									<string>function</string>
+									<string>function member</string>
                                                                 </pair>
                                                                 <pair>
                                                                         <weak_ptr>
                                                                                 <expired>0</expired>
                                                                                 <shared_ptr>
-											<id>-51</id>
+											<id>-61</id>
                                                                                 </shared_ptr>
                                                                         </weak_ptr>
-									<string>function member</string>
+									<string>noindex tutorial</string>
                                                                 </pair>
                                                                 <pair>
                                                                         <weak_ptr>
                                                                                 <expired>0</expired>
                                                                                 <shared_ptr>
-											<id>-53</id>
+											<id>-62</id>
                                                                                 </shared_ptr>
                                                                         </weak_ptr>
-									<string>tutorial</string>
+									<string>error_info</string>
                                                                 </pair>
                                                                 <pair>
                                                                         <weak_ptr>
                                                                                 <expired>0</expired>
                                                                                 <shared_ptr>
-											<id>-55</id>
+											<id>-63</id>
                                                                                 </shared_ptr>
                                                                         </weak_ptr>
-									<string>noindex</string>
+									<string>tutorial</string>
                                                                 </pair>
                                                                 <pair>
                                                                         <weak_ptr>
                                                                                 <expired>0</expired>
                                                                                 <shared_ptr>
-											<id>-56</id>
+											<id>-64</id>
                                                                                 </shared_ptr>
                                                                         </weak_ptr>
-									<string>noalso noindex tutorial</string>
+									<string>function</string>
                                                                 </pair>
                                                                 <pair>
                                                                         <weak_ptr>
                                                                                 <expired>0</expired>
                                                                                 <shared_ptr>
-											<id>-60</id>
+											<id>-65</id>
                                                                                 </shared_ptr>
                                                                         </weak_ptr>
-									<string>noalso noindex tutorial</string>
+									<string>exception_ptr type</string>
                                                                 </pair>
                                                                 <pair>
                                                                         <weak_ptr>
                                                                                 <expired>0</expired>
                                                                                 <shared_ptr>
-											<id>-62</id>
+											<id>-66</id>
                                                                                 </shared_ptr>
                                                                         </weak_ptr>
-									<string>diagnostic_information tutorial</string>
+									<string>function</string>
                                                                 </pair>
                                                                 <pair>
                                                                         <weak_ptr>
                                                                                 <expired>0</expired>
                                                                                 <shared_ptr>
-											<id>-63</id>
+											<id>-67</id>
                                                                                 </shared_ptr>
                                                                         </weak_ptr>
-									<string>error_info free function</string>
+									<string>noindex tutorial</string>
                                                                 </pair>
                                                                 <pair>
                                                                         <weak_ptr>
                                                                                 <expired>0</expired>
                                                                                 <shared_ptr>
-											<id>-65</id>
+											<id>-68</id>
                                                                                 </shared_ptr>
                                                                         </weak_ptr>
-									<string>free function</string>
+									<string>error_info free function</string>
                                                                 </pair>
                                                                 <pair>
                                                                         <weak_ptr>
                                                                                 <expired>0</expired>
                                                                                 <shared_ptr>
-											<id>-66</id>
+											<id>-69</id>
                                                                                 </shared_ptr>
                                                                         </weak_ptr>
-									<string>type</string>
+									<string>tutorial</string>
                                                                 </pair>
                                                                 <pair>
                                                                         <weak_ptr>
                                                                                 <expired>0</expired>
                                                                                 <shared_ptr>
-											<id>-69</id>
+											<id>-70</id>
                                                                                 </shared_ptr>
                                                                         </weak_ptr>
-									<string></string>
+									<string>noalso noindex tutorial</string>
                                                                 </pair>
                                                                 <pair>
                                                                         <weak_ptr>
@@ -15690,7 +15744,7 @@
                                                                                         <id>-72</id>
                                                                                 </shared_ptr>
                                                                         </weak_ptr>
-									<string>exception_ptr free function</string>
+									<string></string>
                                                                 </pair>
                                                                 <pair>
                                                                         <weak_ptr>
@@ -15699,7 +15753,7 @@
                                                                                         <id>-73</id>
                                                                                 </shared_ptr>
                                                                         </weak_ptr>
-									<string>error_info</string>
+									<string></string>
                                                                 </pair>
                                                                 <pair>
                                                                         <weak_ptr>
@@ -15708,7 +15762,7 @@
                                                                                         <id>-74</id>
                                                                                 </shared_ptr>
                                                                         </weak_ptr>
-									<string>exception_ptr free function</string>
+									<string>diagnostic_information free function</string>
                                                                 </pair>
                                                                 <pair>
                                                                         <weak_ptr>
@@ -15717,7 +15771,7 @@
                                                                                         <id>-75</id>
                                                                                 </shared_ptr>
                                                                         </weak_ptr>
-									<string>type</string>
+									<string>error_info_instance noalso type</string>
                                                                 </pair>
                                                                 <pair>
                                                                         <weak_ptr>
@@ -15726,7 +15780,7 @@
                                                                                         <id>-76</id>
                                                                                 </shared_ptr>
                                                                         </weak_ptr>
-									<string></string>
+									<string>error_info_instance noalso type</string>
                                                                 </pair>
                                                         </sorted>
                                                 </tag_index>
Modified: trunk/libs/exception/doc/synopsis.html
==============================================================================
--- trunk/libs/exception/doc/synopsis.html	(original)
+++ trunk/libs/exception/doc/synopsis.html	2009-07-10 15:03:29 EDT (Fri, 10 Jul 2009)
@@ -38,9 +38,9 @@
     <span class="RenoIncludeSPAN">template <class Tag,class T>
     class <span class="RenoLink">error_info</span>;</span>    
     
-    typedef <span class="RenoLink">error_info</span><struct tag_throw_function,char const *> throw_function;
-    typedef <span class="RenoLink">error_info</span><struct tag_throw_file,char const *> throw_file;
-    typedef <span class="RenoLink">error_info</span><struct tag_throw_line,int> throw_line;</span>
+    typedef <span class="RenoLink">error_info</span><struct throw_function_,char const *> throw_function;
+    typedef <span class="RenoLink">error_info</span><struct throw_file_,char const *> throw_file;
+    typedef <span class="RenoLink">error_info</span><struct throw_line_,int> throw_line;</span>
     }</span></pre>
 <p><span class="RenoEscape">#<!--<wiki>`#</wiki>--></span>include <<span class="RenoLink">boost/exception/error_info.hpp</span>></p>
 <pre><span class="RenoIncludeSPAN">namespace