GNU bug report logs - #15841
Display bugs with cache-long-lines non-nil

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Package: emacs;

Reported by: Eli Zaretskii <eliz <at> gnu.org>

Date: Sat, 9 Nov 2013 08:20:02 UTC

Severity: normal

Tags: moreinfo

Merged with 15893, 15898, 15901, 15930, 15931, 15948, 15952

Found in version 24.3.50

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

Bug is archived. No further changes may be made.

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From: Eli Zaretskii <eliz <at> gnu.org>
To: nbtrap <at> nbtrap.com
Cc: michael_heerdegen <at> web.de, 15841 <at> debbugs.gnu.org
Subject: bug#15841: Display bugs with cache-long-lines non-nil
Date: Sat, 09 Nov 2013 16:02:21 +0200

> Date: Sat, 09 Nov 2013 13:18:29 +0200
> From: Eli Zaretskii <eliz <at> gnu.org>
> Cc: michael_heerdegen <at> web.de, 15841 <at> debbugs.gnu.org
> 
>  emacs -Q --eval "(setq-default cache-long-scans nil)"
>  C-x C-f src/xdisp.c
>  M-: (setq cache-long-scans t) RET
>  M-x linum-mode RET
>  M->
> 
> Many line numbers near the end of the buffer are not shown in the
> margin.

This seems to be related to font-lock: turning off
global-font-lock-mode makes the problems go away.  Manually invoking
font-lock-fontify-buffer before turning on linum-mode also eliminates
the problems, so it looks like JIT Font Lock is the prime suspect.
This bug report was last modified 11 years and 172 days ago.

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