I checked with the release build of Ubuntu 10.4 and contrary to what I originally reported, the default shortcut for switching layouts appears to be not Alt+Alt but Alt+Shift, and that one does work.
So the impact of this bug is not as severe as I thought.
I checked with the release build of Ubuntu 10.4 and contrary to what I originally reported, the default shortcut for switching layouts appears to be not Alt+Alt but Alt+Shift, and that one does work.
So the impact of this bug is not as severe as I thought.