bug#46178: 28.0.50; auto-resize-tool-bars / auto-resize-tab-bars grow-only

[Eli Zaretskii]

> Cc: 46178@debbugs.gnu.org
> From: martin rudalics <rudalics@gmx.at>
> Date: Sat, 30 Jan 2021 16:27:11 +0100
> 
> You might also reconsider the Elisp manual entry where it says
> 
>       If this variable is non-‘nil’, the tool bar automatically resizes
>       to show all defined tool bar items—but not larger than a quarter of
>       the frame’s height.
> 
> I've been digging through Gerd's and Kim's rewrites of
> 'redisplay_tool_bar' and nowhere found a reference to that "quarter".
> Did that ever work and when?

If the current behavior is that we allow any number of tool-bar lines,
then this text is inaccurate and should be fixed to describe the
current behavior.