http://lists.boost.org/MailArchives/boost/msg04254.php
(boost.devel 2004/04/16~)
過去の議論(・∀・)ハケーン.
Unicode & Regex
http://lists.boost.org/MailArchives/boost-users/msg01723.php
(gmane.comp.lib.boost.user 2002/09/10~)
http://lists.boost.org/MailArchives/boost/msg30414.php
(gmane.comp.lib.boost.devel 2002/06/07~)
Unicode & lexical_cast
http://lists.boost.org/MailArchives/boost-users/msg04640.php
(gmane.comp.lib.boost.user 2003/07/24~)