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]

> From: Stefan Monnier <monnier@iro.umontreal.ca>
> Cc: ghe@sdf.org,  43572@debbugs.gnu.org
> Date: Mon, 28 Sep 2020 09:24:34 -0400
> 
> > I actually thought about putting the text property or overlay on the
> > first character of the text inserted into the minibuffer,
> 
> I don't understand what data you intend to put this way.

Just "start at BOB" indication.

> The overlay I proposed carries fundamentally 2 pieces of info: the
> beginning position and the end position of the "scroll focus".

We could still put this on the first character, and have the value of
the property be a cons cell with these two positions, no?

IOW, the information doesn't have to be on the characters which it
describes.