[boost] [thread] why is 'thread_group' in 'boost/thread/detail'?

Subject: [boost] [thread] why is 'thread_group' in 'boost/thread/detail'?
From: pavel (paul.cpprules_at_[hidden])
Date: 2013-03-03 10:17:21

as of 1.53 the docs say the 'thread_group' class is included by this
instruction:

  #include <boost/thread/thread_group.hpp>

http://www.boost.org/doc/libs/1_53_0/doc/html/thread/thread_management.html#thread.thread_management.threadgroup

whereas the actual file is not in the 'boost/thread', but accidentally
is in 'boost/thread/detail'

is that intentional?

-- 
Pavel
P.S.
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