After updating mercurial to 1.9 a error-message "TypeError: plain() takes exactly 1 argument (2 given)" appeared. As mentioned in http://trac.edgewall.org/browser/plugins/0.12/mercurial-plugin?rev=10748#tracext it is solved in the actual 0.12.0.28 build. Please provide a (updated) www-apps/trac-mercurial-0.12.0.28 Reproducible: Always
+*trac-mercurial-0.12.0.28_pre10784 (08 Sep 2011) + + 08 Sep 2011; Rafael G. Martins <rafaelmartins@gentoo.org> + -trac-mercurial-0.12.0.23.ebuild, +trac-mercurial-0.12.0.28_pre10784.ebuild: + Version bump. Fixes bug #376313. + Thanks for reporting.