bug#3173: Enabling gud-tooltip-mode in .emacs doesn't work

[Nick Roberts]

 > When running gdb under Emacs, M-x gud-tooltip-mode works fine with
 > tooltips appearing as the mouse is moved over variables.
 > 
 > With the following in the .emacs file:-
 > 
 > 
 > (custom-set-variables
 >    ;; custom-set-variables was added by Custom.
 >    ;; If you edit it by hand, you could mess it up, so be careful.
 >    ;; Your init file should contain only one such instance.
 >    ;; If there is more than one, they won't work right.
 >   '(gud-tooltip-mode t)
 >   '(inhibit-startup-screen t))
 > 
 > .....Emacs and gdb are then started but nothing happens when the mouse 
 > is moved over variables.

It looks like setting a variable defined through define-minor-mode to t in
customize doesn't run the body code when that minor mode is loaded.  I
don't know if that's a bug in customize or if gud-tooltip-mode shouldn't
be defined as a minor mode.

-- 
Nick                                           http://www.inet.net.nz/~nickrob