bug#43572: Feature request: make it possible to choose whether the first lines of the minibuffer should be displayed instead of the last ones

[Eli Zaretskii]

> Date: Thu, 24 Sep 2020 14:41:46 +0000
> From: Gregory Heytings <ghe@sdf.org>
> cc: 43572@debbugs.gnu.org
> 
> > It is not safe to avoid affecting them using the techniques you propose.
> >
> 
> Could you please provide a recipe which would demonstrate a problem with 
> the technique I propose?  AFAICS, the flag is reset immediately when 
> read_minibuf() / read-from-minibuffer has ended.

That is true, but read_minibuf enters recursive-edit, and while that
is active, any call to resize_mini_window will be affected.

Using a text property for this is easy and mostly boilerplate, and it
completely avoids this issue.