GNU bug report logs - #50660
28.0.50; Text artifacting when the cursor moves over text under mouse face that originally displayed a box

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From: Po Lu <luangruo <at> yahoo.com>
To: Eli Zaretskii <eliz <at> gnu.org>
Cc: larsi <at> gnus.org, 50660 <at> debbugs.gnu.org
Subject: bug#50660: 28.0.50; Text artifacting when the cursor moves over text under mouse face that originally displayed a box
Date: Tue, 21 Sep 2021 17:45:37 +0800

Eli Zaretskii <eliz <at> gnu.org> writes:

> Only the characters at the beginning and end of the box jump, so they
> are the only ones that need an additional adjustment.  Right?

Yeah, they are the only characters causing the jump, but the effect of
that jump "ripples", in a way, throughout the entire box.  So even if I
move the cursor into the middle of the box, it will still be in the
wrong location, but when the cursor is moved, show_mouse_face is not
called, so I think putting the correction is show_mouse_face is not the
solution to this problem.

Thanks.

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