disappearing custom menu (was: Re: byte compiling defcustom)

[Dan Nicolaescu]

Richard Stallman <address@hidden> writes:

  >     it seems that the "Custom"
  >     menu in a customize buffer does not work, it disappears after touching
  >     the customize value, the same happens in 22.1...
  > 
  > I am not sure what this means.
  > Could you please send us a *precise* test case for this bug?

emacs -Q
M-x customize-variable RET fill-column RET

There should be a "Custom" menu entry in the menu bar.

Click on the "70" text box, now try to click on the "Custom" menu to
open it, it disappears. 
This happens with both Gtk+ and Athena widgets, with the CVS HEAD and
22.1.