bug#139: describe-key vs. widget red tape

[Eli Zaretskii]

> From: Lars Ingebrigtsen <larsi@gnus.org>
> Cc: jidanni@jidanni.org,  139@debbugs.gnu.org
> Date: Mon, 30 Sep 2019 09:40:07 +0200
> 
> > If the action of the button is not clear from the button's label, it
> > should have a help-echo string which describes that.
> 
> What the button does may be clear, but it can be somewhat convoluted to
> determine precisely what function is going to end up being run.  (This
> is for introspection/debugging purposes.) 

I'm not sure introspection/debugging was what the OP had in mind, but
we could perhaps bind something like M-mouse-3 on a button to produce
that information.  It wouldn't be easy, though, given how well the
widget library hides that.