bug#36156: [PATCH] Make toolbar show keyboard equivalents in its tooltips

[Eli Zaretskii]

> From: Stefan Kangas <stefan@marxist.se>
> Date: Sun, 25 Aug 2019 13:03:06 +0200
> Cc: 36156@debbugs.gnu.org
> 
> Juri Linkov <juri@linkov.net> writes:
> 
> > Today I found a regression in this change: when a tool-bar item
> > doesn't use a :help keyword (like e.g. in gud-menu-map) then
> > the tooltip displays just keyboard equivalents in its tooltip.
> > It used to display the caption in previous Emacs versions.
> > I believe it could be fixed by this patch:
> 
> I can reproduce this regression in the gud toolbar on current master.
> Your patch fixes it and looks good to me.

Are we sure TOOL_BAR_ITEM_CAPTION will always produce human-readable
text?