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

[Drew Adams]

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

Glad you see it the same way.  I hope it can be fixed.

> 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.

Yes, that was my reading too.  Guess I'm just conditioned to expect "Not a
bug!", so I stretched for a misunderstanding on my part.  Sometimes it's hard to
tell whether the doc is unclear/misleading or the product is bugged (or both).
;-)