GNU bug report logs - #9609
Excessive transient region highlighting with highlight-nonselected-windows

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From: Lars Ingebrigtsen <larsi <at> gnus.org>
To: Glenn Morris <rgm <at> gnu.org>
Cc: 9609 <at> debbugs.gnu.org
Subject: bug#9609: Excessive transient region highlighting with highlight-nonselected-windows
Date: Wed, 02 Jun 2021 09:48:05 +0200

Glenn Morris <rgm <at> gnu.org> writes:

> emacs -Q --eval '(progn (setq highlight-nonselected-windows t) (transient-mark-mode -1))' -f make-frame
>
> Two frames open showing the *scratch* buffer, once frame has focus.
>
> With the mouse, click on the "n" of "notes" in the focused frame. Do
> not release the mouse. In the other frame, a region starting or ending
> at "n" is now selected.

I can confirm that this is still present in Emacs 28.

Pretty weird behaviour.

-- 
(domestic pets only, the antidote for overdose, milk.)
   bloggy blog: http://lars.ingebrigtsen.no

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