GNU bug report logs - #9470
24.0.50; Possible bidi-related slowness

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Package: emacs;

Reported by: Lars Magne Ingebrigtsen <larsi <at> gnus.org>

Date: Sat, 10 Sep 2011 18:37:01 UTC

Severity: normal

Found in version 24.0.50

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

Bug is archived. No further changes may be made.

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From: Christoph Scholtes <cschol2112 <at> googlemail.com>
To: Lars Magne Ingebrigtsen <larsi <at> gnus.org>
Cc: 9470 <at> debbugs.gnu.org, Eli Zaretskii <eliz <at> gnu.org>
Subject: bug#9470: 24.0.50; Possible bidi-related slowness
Date: Sat, 10 Sep 2011 12:45:03 -0600

On 9/10/2011 12:28 PM, Lars Magne Ingebrigtsen wrote:

> I just experienced a massively slow Gnus article buffer.

I noticed a slow scrolling behavior when editing a Python file also. I 
am not sure if these issues are related.

Holding C-n shows the same skipping behavior I usually experience in big 
c files. The cursor disappears and at some point it catches up. This 
does however not happen when holding C-p to go upwards.

M-: (setq bidi-display-reordering nil)

solves the problem and C-n and C-p behave normally.

Disabling font-lock works also, so font-lock plus bidi-reordering is 
probably too slow?

Eli, let me know if there is any way to help troubleshoot this.

Christoph
This bug report was last modified 13 years and 304 days ago.

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