I just discovered this is due to Super+space being bound to "Swith to next source" in System Settings -> Text Entry.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1310417 Title: Can't bind <Super>space To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gnome-do/+bug/1310417/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
