I can confirm David's #17 workaround is effective, though I didn't install ibus-clutter and ibus-qt4, but instead I installed gnome-shell.
@David: Thank you for your sharing. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1241309 Title: Ubuntu 13.10 has no way to change individual input method settings To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gnome-control-center/+bug/1241309/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
