bug#9609: Excessive transient region highlighting with highlight-nonselected-windows

[Eli Zaretskii]

> From: Juri Linkov <juri@linkov.net>
> Cc: larsi@gnus.org,  rgm@gnu.org,  9609@debbugs.gnu.org
> Date: Thu, 03 Jun 2021 01:02:25 +0300
> 
> >   emacs -Q --eval '(progn (setq highlight-nonselected-windows t) 
> > (transient-mark-mode -1))'
> >   C-x 2
> >   Click and hold the mouse button on some character
> 
> The problem is that currently the mark is not window-local.

But the region's overlay _is_ specific to the window where it is set.
Or are you saying it isn't the region that is highlighted in the other
window?

Btw, we could decide that we don't care about this quirk: it's a
pretty rare and obscure use case.