bug#43519: 28.0.50; Overlay at end of minibuf hides minibuf's real content

[Eli Zaretskii]

> Date: Sun, 20 Sep 2020 10:12:14 +0000
> From: Gregory Heytings <ghe@sdf.org>
> cc: 43519@debbugs.gnu.org
> 
> Another note: with (setq resize-mini-windows nil) the bug disappears, the 
> prompt is always visible even if the overlay text is too large.  So a more 
> robust solution to the problem would be to do something like:
> 
> (add-hook 'icomplete-minibuffer-setup-hook (function (lambda () (setq 
> resize-mini-windows nil) (enlarge-window N))))
> 
> with N replaced by the number of lines that we are about to display.

If this is an acceptable solution, it is definitely fine by me.  But I
envision complaints from people who expect certain behavior from
mini-windows with large contents: the above effectively ignores their
settings.