GNU bug report logs - #63187
30.0.50; Tail of longer lines painted after end of nearby lines on macOS

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Message #74 received at 63187 <at> debbugs.gnu.org (full text, mbox):

From: Eli Zaretskii <eliz <at> gnu.org>
To: Alan Third <alan <at> idiocy.org>
Cc: luangruo <at> yahoo.com, alan <at> idiocy.org, 63187 <at> debbugs.gnu.org,
 aaronjensen <at> gmail.com
Subject: Re: bug#63187: 30.0.50; Tail of longer lines painted after end of
 nearby lines on macOS
Date: Tue, 02 May 2023 15:21:46 +0300

> Date: Tue, 2 May 2023 11:14:56 +0100
> From: Alan Third <alan <at> idiocy.org>
> Cc: Eli Zaretskii <eliz <at> gnu.org>, Po Lu <luangruo <at> yahoo.com>,
> 	63187 <at> debbugs.gnu.org
> 
> Although, on reflection, your description sounds more like it's just
> not clearing the end of lines correctly, which wouldn't necessarily
> have anything to do with scrolling as such...

Can that happen in this case?  You will see in the code that (AFAIU)
it copies a rectangle whose width is the total width of the window, so
why would (not) clearing ends of lines be an issue?

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