I found that old bug report in Gnome Bugzilla http://bugzilla.gnome.org/show_bug.cgi?id=344328 and according to comment #1 this is not a bug.
-- Obscure hex key names in Preferences -> Keyboard shortcuts https://bugs.launchpad.net/bugs/219133 You received this bug notification because you are a member of Ubuntu Desktop Bugs, which is subscribed to gnome-control-center in ubuntu. -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs
