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: Lars Ingebrigtsen <larsi <at> gnus.org>
To: Po Lu <luangruo <at> yahoo.com>
Cc: 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: Sat, 18 Sep 2021 15:48:19 +0200

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Po Lu <luangruo <at> yahoo.com> writes:

> If you're lucky, you will be able to observe artifacting, usually around
> the characters "O", "Q", "R", "W", "X", "Y", and/or "Z".  If you're not,
> you can usually at least observe the text being redrawn in a manner
> inconsistent with its surroundings, where characters surrounding the
> cursor appear to be spaced overly close to or overly far from their
> surroundings.

I can't reproduce this -- perhaps it's dependent on which fonts are
used?

I do see one odd thing here.  When marking a region with the mouse, I
get this:

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Note the little dots above to the right of the Zs.  I don't think those
should be there, so there might be a off-by-one error (or something)
when computing something here...

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

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