bug#7691: 24.0.50; x-popup-menu with keymap - :help keyword

[Stefan Monnier]

> But put the pointer over item `Foo' in the menu and you will not see the
> :help displayed.  This is true also if `tooltip-mode' is off (the help
> does not show in the minibuffer/echo area).

Looks like a bug, indeed.  Might be a very longstanding one.
It's probably some missing code somewhere.

> There is this note in `(elisp) Pop-Up Menus':
 
>  "Don't use `x-popup-menu' to display a menu if you
>   could do the job with a prefix key defined with a menu
>   keymap.
[...] 
> I cannot tell if that note is supposed to speak to the limitation/bug
> I'm reporting.

No relation: it talks about when to use x-popup-menu, not about how to
use it.  Also it talks about C-h c rather than tooltip help.


        Stefan