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]

> Cc: 43572@debbugs.gnu.org
> Date: Wed, 23 Sep 2020 22:47:05 +0000
> From: Gregory Heytings via "Bug reports for GNU Emacs,
>  the Swiss army knife of text editors" <bug-gnu-emacs@gnu.org>
> 
> > I think what I was getting at is that this "request" should come from 
> > the minibuffer's text rather than from a variable.
> 
> If this were possible, it would be even better indeed.  An "importance" 
> text property, which would inform redisplay (?) of the relative importance 
> of the parts of the buffer.  But implementing this is several orders of 
> magnitude harder than implementing my proposal.

Actually testing for a certain text property in resize_mini_window
should be quite simple.  We do similar things elsewhere in the display
code.  So I see no reason to avoid that.  It would definitely resolve
any issues with inadvertently affecting unrelated users of the
mini-window.