bug#9054: [External] : bug#9054: 24.0.50; show source in other window

[martin rudalics]

> I've no special comment on this.  In general, in my
> case if a particular kind of thing under the pointer
> isn't defined then the menu item is inactive for
> that thing kind.

With context menus we have to find a compromise: Searching manuals or
the code base at the time of displaying the menu might take too long.

> Whether, for a name such as `x' you want to try to
> look it up as a variable and a function etc. and
> then activate relevant items, do so.  I'm not sure
> it's worth such lookups, and of course there's the
> question of which context/environment to look up
> such things in.

If I evaluate (setq x 3) and then I'm told that x was "Probably
introduced at or before Emacs version 1.4" something went wrong.

martin