Last modified: 2013-02-21 09:02:59 UTC
Some validation is done in the PHP side, so we can't depend on the URL query param. I've added data-language to the generated HTML, but it is not used currently.
Reproduction: Go to: http://dev.translatewiki.net/wiki/Special:Translate?group=out-freecol&filter=!translated&language=fi&uselang=en Open group selector at "All". Stats bars are shown with info from English, but they should be shown with info from Finnish.
Patch in https://gerrit.wikimedia.org/r/#/c/49834/ .
Merged.