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bug#38407: 27.0.50; infinite loop with display of large file without new
From: |
Eli Zaretskii |
Subject: |
bug#38407: 27.0.50; infinite loop with display of large file without newlines |
Date: |
Thu, 28 Nov 2019 17:14:34 +0200 |
> Date: Thu, 28 Nov 2019 07:51:33 +0100
> From: Pieter van Oostrum <pieter@vanoostrum.org>
> Cc: 38407@debbugs.gnu.org
>
> Normally I wouldn't open such a bizarre file, but I was doing an 'rgrep' on
> my home directory, and this was one of the files that came up in the grep
> results. When I was scrolling though the *grep* buffer, I got this problem.
> Then I decided to just open the file, to eliminate the possibility that
> grep-mode was one of the causes.
>
> And yes, I checked it all with emacs -Q.
As an aside, using Text mode for such files, and visual-line-mode on
top of that, is exactly the opposite of what one should do to make
redisplay performance better. Text mode resets
bidi-paragraph-direction to nil, which makes redisplay work harder
because it needs to find the beginning of the current paragraph each
time redisplay starts. And visual-line-mode makes redisplay a bit
slower, because of the need to find a suitable point to break the
line.
So I suggest to use the default mode for visiting JSON files.
- bug#38407: 27.0.50; infinite loop with display of large file without newlines, Pieter van Oostrum, 2019/11/27
- bug#38407: 27.0.50; infinite loop with display of large file without newlines, Phil Sainty, 2019/11/27
- bug#38407: 27.0.50; infinite loop with display of large file without newlines, Phil Sainty, 2019/11/27
- bug#38407: 27.0.50; infinite loop with display of large file without newlines, Phil Sainty, 2019/11/27
- bug#38407: 27.0.50; infinite loop with display of large file without newlines, Pieter van Oostrum, 2019/11/28
- bug#38407: 27.0.50; infinite loop with display of large file without newlines,
Eli Zaretskii <=
- bug#38407: 27.0.50; infinite loop with display of large file without newlines, Pieter van Oostrum, 2019/11/28
- bug#38407: 27.0.50; infinite loop with display of large file without newlines, Eli Zaretskii, 2019/11/28
- bug#38407: 27.0.50; infinite loop with display of large file without newlines, Pieter van Oostrum, 2019/11/28
- bug#38407: 27.0.50; infinite loop with display of large file without newlines, Eli Zaretskii, 2019/11/29
- bug#38407: 27.0.50; infinite loop with display of large file without newlines, Phil Sainty, 2019/11/29
- bug#38407: 27.0.50; infinite loop with display of large file without newlines, Eli Zaretskii, 2019/11/29
- bug#38407: 27.0.50; infinite loop with display of large file without newlines, Dmitry Gutov, 2019/11/29
- bug#38407: 27.0.50; infinite loop with display of large file without newlines, Eli Zaretskii, 2019/11/29
- bug#38407: 27.0.50; infinite loop with display of large file without newlines, Dmitry Gutov, 2019/11/29
- bug#38407: 27.0.50; infinite loop with display of large file without newlines, Eli Zaretskii, 2019/11/29