An update to my last comment; After killing the gnome-settings-daemon, the custom shortcuts begin working *for the remainder of the session*. Logging out or rebooting resets the behavior, until gnome-settings-daemon is killed again.
An update to my last comment; After killing the gnome-settings- daemon, the custom shortcuts begin working *for the remainder of the session*. Logging out or rebooting resets the behavior, until gnome-settings- daemon is killed again.