GNU bug report logs - #78474
31.0.50; Wrong char insertion in rxvt

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Package: emacs;

Reported by: Bastien Guerry <bzg <at> gnu.org>

Date: Sat, 17 May 2025 22:56:02 UTC

Severity: normal

Found in version 31.0.50

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

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Message #467 received at 78474 <at> debbugs.gnu.org (full text, mbox):

From: Eli Zaretskii <eliz <at> gnu.org>
To: Robert Pluim <rpluim <at> gmail.com>
Cc: bzg <at> gnu.org, Sebastien.Hinderer <at> inria.fr, samuel.thibault <at> gnu.org,
 manuel <at> ledu-giraud.fr, 78474 <at> debbugs.gnu.org
Subject: Re: bug#78474: 31.0.50; Wrong char insertion in rxvt
Date: Thu, 24 Jul 2025 16:22:51 +0300
> From: Robert Pluim <rpluim <at> gmail.com>
> Cc: Eli Zaretskii <eliz <at> gnu.org>,  bzg <at> gnu.org,
>   Sebastien.Hinderer <at> inria.fr,  manuel <at> ledu-giraud.fr,
>   78474 <at> debbugs.gnu.org
> Date: Thu, 24 Jul 2025 12:27:44 +0200
> 
> >>>>> On Thu, 24 Jul 2025 09:57:50 +0200, Samuel Thibault <samuel.thibault <at> gnu.org> said:
> 
>     Samuel> It was xterm.
> 
> Eliʼs scrolling test for src/xdisp.c also doesnʼt result in the use of
> many \t\b sequences in any case (121 in my testing, for a 39k line
> file).
> 
> I did the following instead, with a testfile containing 40k lines of
> 01234567cbaaaaaa
> 
> (progn
>   (find-file "src/testfile")
>     (let ((oldgc gcs-done)
>         (oldtime (float-time)))
>       (goto-char (point-min))
>       (condition-case nil
>           (while t (right-char 5) (right-char) (redisplay))
>         (error (message "GCs: %d Elapsed time: %f seconds"
>                         (- gcs-done oldgc) (- (float-time) oldtime))))))
> 
> (this is all over a fast ssh connection, with the underlying terminal
> being iterm2)

How many times was the \t\b sequence used in this test?




This bug report was last modified 1 day ago.

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