MediaWiki 1.5.7 was released 2006-03-02. (I hope enough time has been allowed to pass so the maintainer has had time to discover this new version).
Version 1.5.8 has been released and is already in portage
is there any particular reason you need 1.5.7 - as (already stated) I bumped the 1.5.8 ebuild already.
Nope, I just wanted the newest version, which I now have. Thanks!
ok ;)