example/main.cpp compiles clean with gcc -Wall

svn path=/trunk/boost/xpressive/; revision=39073
dynamically optimizing TST, from Dave Jenkins

svn path=/trunk/boost/xpressive/; revision=39075
remove unused variables

svn path=/trunk/boost/xpressive/; revision=39126
attempt to fix hp tru64

svn path=/trunk/boost/xpressive/; revision=39481
remove unnecessary semicolons

svn path=/trunk/boost/xpressive/; revision=39595
slightly more informative test errors

svn path=/trunk/libs/xpressive/; revision=39614
attempt to fix xpressive formatting bug on tru64

svn path=/trunk/boost/xpressive/; revision=39649
one more try at getting tru64 tests to pass

svn path=/trunk/boost/xpressive/; revision=39690
put format string argument in non-deduced context

svn path=/trunk/boost/xpressive/; revision=39717
add awesome number parser from Dave Jenkins

svn path=/trunk/libs/xpressive/; revision=39774
fix warnings under msvc

svn path=/trunk/boost/xpressive/; revision=39776
fix postinc/assign problem with case_converting_iterator

svn path=/trunk/boost/xpressive/; revision=39786
doc tweaks

svn path=/trunk/libs/xpressive/; revision=39787
work around msvc-7.1 bug

svn path=/trunk/boost/xpressive/; revision=39790
better fix for case_converting_iterator as suggested by Steven Watanabe

svn path=/trunk/boost/xpressive/; revision=39793
clean up gcc unused parameter warnings

svn path=/trunk/boost/xpressive/; revision=39794
escape accented character

svn path=/trunk/libs/xpressive/; revision=39819
symbols docs, acknowledgement for dave j., doxygen tweaks

svn path=/trunk/boost/xpressive/; revision=39823
fix warning

svn path=/trunk/libs/xpressive/; revision=39826
more user docs for semantic actions

svn path=/trunk/libs/xpressive/; revision=39867