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From: Eli Zaretskii <eliz@gnu.org>
To: Po Lu <luangruo@yahoo.com>
Cc: 50564@debbugs.gnu.org
Subject: bug#50564: 28.0.50; Display artifacting in package list
Date: Mon, 13 Sep 2021 15:14:59 +0300	[thread overview]
Message-ID: <83k0jkekos.fsf@gnu.org> (raw)
In-Reply-To: <8735q8kghu.fsf@yahoo.com> (bug-gnu-emacs@gnu.org)

> Date: Mon, 13 Sep 2021 16:49:01 +0800
> From:  Po Lu via "Bug reports for GNU Emacs,
>  the Swiss army knife of text editors" <bug-gnu-emacs@gnu.org>
> 
> 
> If you move to the end of a truncated line in the package list, part of
> the previous screen will be retained when it should actually be
> invisible.
> 
> To reproduce this problem, start emacs -Q, select the entry "news" from
> the package finder (the command finder-by-keyword), then turn on
> truncate-lines (if it is not already on) in the package list containing
> results from the finder, resize the window showing the package list so
> that lines are being truncated, and move to the end of a truncated line.
> 
> This problem is not present in Emacs 27.2, and cannot be reproduced on a
> TTY frame.
> 
> Parts of the previous content of the display will be preserved, which go
> away upon invoking redraw-display.

I don't think I can reproduce this here, at least not in "emacs -Q".
But it's hard to say because you didn't tell which part(s) of the
previous contents I should watch, and there's a lot of stuff on the
screen to be sure that none of it was left behind.

So please describe the recipe in more detail:

  . to what width to resize the frame
  . how do you "move to the end of a truncated line"
  . which parts of the display are left on the screen

Thanks.





  parent reply	other threads:[~2021-09-13 12:14 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <8735q8kghu.fsf.ref@yahoo.com>
2021-09-13  8:49 ` bug#50564: 28.0.50; Display artifacting in package list Po Lu via Bug reports for GNU Emacs, the Swiss army knife of text editors
2021-09-13  8:53   ` Po Lu via Bug reports for GNU Emacs, the Swiss army knife of text editors
2021-09-13 12:14   ` Eli Zaretskii [this message]
2021-09-13 12:47     ` Po Lu via Bug reports for GNU Emacs, the Swiss army knife of text editors
2021-09-13 13:38       ` Eli Zaretskii
2021-09-13 14:17         ` Po Lu via Bug reports for GNU Emacs, the Swiss army knife of text editors
2021-09-17 14:09         ` Eli Zaretskii
2021-09-18  0:21           ` Po Lu via Bug reports for GNU Emacs, the Swiss army knife of text editors
2021-09-18  6:08             ` Eli Zaretskii

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