bug#29478: [Patch] bug#29478: 26.0.90; `C-h k' followed by mouse clicks no longer shows down event

[Eli Zaretskii]

> From: Stefan Monnier <monnier@IRO.UMontreal.CA>
> Cc: acm@muc.de, 29478@debbugs.gnu.org, npostavs@users.sourceforge.net
> Date: Sun, 28 Jan 2018 11:02:26 -0500
> 
> > > We can probably come up with some heuristic to keep "at least one line
> > > of output" or something, but I think it's more useful for the user to
> > > report all the events and their binding or lack thereof since we don't
> > > really know what the user is looking for.
> 
> > I'd prefer the "undefined" lines to appear only if none of the
> > possible interpretations is bound to a command, yes.
> 
> Not sure what this means.

It means I'm okay with this:

  FOO is undefined

but prefer not to see the second line in this:

  FOO at that spot runs BAR
  down-FOO at that spot is undefined