;;;###autoload
(define-minor-mode msb-mode
"Toggle Msb mode.
-With arg, turn Msb mode on if and only if arg is positive.
+With a prefix argument ARG, enable Msb mode if ARG is positive,
+and disable it otherwise. If called from Lisp, enable the mode
+if ARG is omitted or nil.
+
This mode overrides the binding(s) of `mouse-buffer-menu' to provide a
different buffer menu using the function `msb'."
:global t :group 'msb