latest xpressive and proto
Merged revisions 46655 via svnmerge from 
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  r46655 | eric_niebler | 2008-06-24 09:24:50 -0700 (Tue, 24 Jun 2008) | 1 line
  
  regex iterators hold ref count to regex impl, fixes #1990
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portability fixes
Merged revisions 46978 via svnmerge from 
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  r46978 | eric_niebler | 2008-07-01 18:20:23 -0700 (Tue, 01 Jul 2008) | 1 line
  
  allow fixed-width sub-expressions in keep()
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Merged revisions 46980 via svnmerge from 
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  r46980 | eric_niebler | 2008-07-01 21:20:43 -0700 (Tue, 01 Jul 2008) | 1 line
  
  document behavior of actions in independent sub-expressions
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Merged revisions 46985 via svnmerge from 
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  r46985 | eric_niebler | 2008-07-02 00:25:09 -0700 (Wed, 02 Jul 2008) | 1 line
  
  fix inaccurate doxygen comments
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fix buggy eol matching behavior
merged xpressive fixes from trunk for 1.37
merged [48661] from trunk
Merged revisions 48958 via svnmerge from 
https://svn.boost.org/svn/boost/trunk

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  r48958 | eric_niebler | 2008-09-24 16:33:50 -0700 (Wed, 24 Sep 2008) | 1 line
  
  add assert to mark_tag that mark number is greater than 0
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Merged revisions 49089 via svnmerge from 
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  r49089 | eric_niebler | 2008-10-01 09:35:58 -0700 (Wed, 01 Oct 2008) | 1 line
  
  accept patch from Daniel James to fix gcc-4.4 preprocessor problem in proto
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Merge [46445] - add line ending properties. Ref #2441.
merged latest xpressive from trunk (49436,49608,49626,49649,49781)
Merged revisions 49803 via svnmerge from 
https://svn.boost.org/svn/boost/trunk

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  r49803 | eric_niebler | 2008-11-16 10:57:15 -0800 (Sun, 16 Nov 2008) | 1 line
  
  remove old dead proto v2
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Merged revisions 49854 via svnmerge from 
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  r49854 | eric_niebler | 2008-11-20 13:49:37 -0800 (Thu, 20 Nov 2008) | 1 line
  
  optimize algorithms and iterators for the regex_id()==0 case
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merge of cmake build files from trunk per beman
Merge PDF build changes from Trunk.
Merged revisions 51863 via svnmerge from https://svn.boost.org/svn/boost/trunk
Synchronize xpressive tests between CMake and bjam
Merged revisions 53158,53182,53334,53337,53419,53421,53521,53566-53568,53578,53590 via svnmerge from 
https://svn.boost.org/svn/boost/trunk