The xfce-mcs-plugins package missed changes on shortcuts_plugin.c from upstream. I've attached the correct patch.
** Attachment added: "Correct patch for xfce-mcs-plugins" http://librarian.launchpad.net/6567931/02_keysym_svn_backport.patch -- Usability issues with multimedia keyboards https://launchpad.net/bugs/85009 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs