When deleting a menu which has submenus, the .directory files for the submenus are not deleted. This is not the end of the world, since every file is usually less than 100 bytes in size, but it adds to the list of unhappy inodes without a meaningful life in the world, and that should be avoided if possible.
*** Bug 3911 has been marked as a duplicate of this bug. ***
(In reply to comment #1) > *** Bug 3911 has been marked as a duplicate of this bug. *** See also comment #1 on bug 3911.