I can confirm this on my system. It appears that Firefox lists one item for the languages installed on the Ubuntu system, and a second (sometimes identical) item for the languages installed in Firefox itself.
** Changed in: firefox (Ubuntu) Status: New => Confirmed -- Firefox have double entries in menu for languages https://bugs.launchpad.net/bugs/576360 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs