arg_parser.h: A command line argument parser.
dist_log.h: A tool for measuring one and two dimensional distributions.
3 cd ${0%update-libstd-tag}../doc
4 mv libstdc++.tag libstdc++.tag.old
5 wget http://gcc.gnu.org/onlinedocs/libstdc++/latest-doxygen/libstdc++.tag &&
6 rm libstdc++.tag.old || mv libstdc++.tag.old libstdc++.tag