it's
https://bugzilla.redhat.com/show_bug.cgi?id=528317 , as I said. It's known and we're working on it (actually, we have a fix already but it's rather invasive, so we had some tricky decisions about whether to include it and how to test it properly).
Any locale *not* in the fourth column of this table:
http://git.fedoraproject.org/git/?p=...b;f=lang-table
has the problem. Any locale that *is* listed there will work.