Internationalization hints are stored in the private-use/local-use language code qqq messages. They are unsuited for being used as localized messages normally are.
e.g.
http://translatewiki.net/wiki/Special:Preferences&uselang=qqq
currently yields a mostly empty page showing:
2009-01-28: Please participate on discussion about use of gender in MediaWiki
2009-01-26: Registered users can now set their gender in their preferences (Other news...)
[[Identical]]<!-- WARNING: template omitted, post-expand include size too large -->
Version: 1.15.x
Severity: trivial
URL: http://translatewiki.net/wiki/Special:Preferences&uselang=qqq