Is obsolete and not used anymore[1][2]. Will be removed in 30 days.

+  18 Jul 2012; Johannes Huber <johu@gentoo.org> tetex-3.eclass, tetex.eclass:
+  Marking as DEAD for removal.
+

[1] http://qa-reports.gentoo.org/output/eapi-per-eclass/tetex-3.eclass/
[2] http://qa-reports.gentoo.org/output/eapi-per-eclass/tetex.eclass/

-- 
Johannes Huber (johu)
Gentoo Linux Developer / KDE Team
GPG Key ID F3CFD2BD