- Removed all tabs - Changed all Doxygen @cond/@endcond tags with preprocessor sections, as Doxygen still has some problems when parsing this code. This also makes unmatched Doxygen sections a compilation error, which is easier to detect.
[@https://svn.boost.org/trac/boost/ticket/3439 #3439], [@https://svn.boost.org/trac/boost/ticket/3846 #3846], [@https://svn.boost.org/trac/boost/ticket/3947 #3947], [@https://svn.boost.org/trac/boost/ticket/3985 #3985]. Intrusive: [@https://svn.boost.org/trac/boost/ticket/3668 #3668], [@https://svn.boost.org/trac/boost/ticket/3339 #3688], [@https://svn.boost.org/trac/boost/ticket/3698 #3698], [@https://svn.boost.org/trac/boost/ticket/3706 #3706], [@https://svn.boost.org/trac/boost/ticket/3721 #3721]. [@https://svn.boost.org/trac/boost/ticket/3729 #3729], [@https://svn.boost.org/trac/boost/ticket/3746 #3746], [@https://svn.boost.org/trac/boost/ticket/3781 #3781], [@https://svn.boost.org/trac/boost/ticket/3829 #3829], [@https://svn.boost.org/trac/boost/ticket/3840 #3840], [@https://svn.boost.org/trac/boost/ticket/3339 #3339], [@https://svn.boost.org/trac/boost/ticket/3419 #3419], [@https://svn.boost.org/trac/boost/ticket/3431 #3431], [SVN r60515]