Re: Stop frames stealing eachothers' minibuffers!

[Eli Zaretskii]

> Date: Wed, 14 Oct 2020 17:32:56 +0000
> From: Gregory Heytings <ghe@sdf.org>
> cc: Eli Zaretskii <eliz@gnu.org>, acm@muc.de, emacs-devel@gnu.org
> 
> > % emacs -Q src/emacs.c
> > C-x 5 b RET
> > M-: (message "hello") RET
> > ... use your window manager to select the other frame ...
> >
> > we now see "hello" in both miniwindows, whereas I expected it to be seen 
> > only in the selected frame (i.e. to be erased from the previously 
> > selected frame).
> >
> >    C-g
> >
> > we now see "Quit" in one of the miniwindows and "hello" in the other.
> >
> 
> I just checked.  This behavior is not present in Emacs 21-23.  It is 
> present since Emacs 24.

Crystal ball says that this is one consequence of not redisplaying
non-selected frames as much as Emacs 21-23 did.