The underlying issue (with the PPA) might be that the hud shortcut is actually set to <Alt> by default, which is eating the Alt_R modifier. You'll probably have to do:
gsettings set org.compiz.integrated show-hud "['Alt_L']" Then Alt_R should work for modifier switching... -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1218322 Title: Can't set keyboard layout change to alt+shift, ctrl+shift, etc. To manage notifications about this bug go to: https://bugs.launchpad.net/gnome-settings-daemon/+bug/1218322/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs