Someone on #xubuntu or #ubuntustudio (can't remember) mentioned a workaround for this:
You simply have to delete the current key mapping twice before setting a new one. Then the new mapping will be stored in the config.
Someone on #xubuntu or #ubuntustudio (can't remember) mentioned a workaround for this:
You simply have to delete the current key mapping twice before setting a new one. Then the new mapping will be stored in the config.