From: Gregory Heytings <gregory@heytings.org>
To: Eli Zaretskii <eliz@gnu.org>
Cc: larsi@gnus.org, 57207@debbugs.gnu.org, yantar92@gmail.com
Subject: bug#57207: 29.0.50; Fontification is slow after e7b5912b23 (Improvements to long lines handling)
Date: Sat, 20 Aug 2022 23:22:23 +0000 [thread overview]
Message-ID: <37dd2827f52c6a150684@heytings.org> (raw)
In-Reply-To: <37dd2827f57a3d664931@heytings.org>
>> That's too late, I think? How do we ensure after that the update of
>> the mode-line (in case the hook really wants to change the
>> restriction)?
>
> Hmmm... I guess I need to think about this a bit more!
>
Actually, that bug is a symptom of a problem that happens everywhere in
decode_mode_spec: whenever BEGV and ZV are used, their values could be
wrong if the calculation happens when locked narrowing is in effect.
One thing I don't understand there is that in some places we use BEGV and
ZV (namely, case 'i' and case 'I'), and everywhere else we use BUF_BEGV
(b) and BUF_ZV (b). These should be equivalent given that b is set to
current_buffer, but perhaps I'm missing something.
Is it also guaranteed that XBUFFER (w->contents) == current_buffer? It
seems that it is, but there is no eassert, so I'm not entirely sure. (I
tried to add one and did not see the assertion fail.)
next prev parent reply other threads:[~2022-08-20 23:22 UTC|newest]
Thread overview: 103+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-08-14 15:55 bug#57207: 29.0.50; Fontification is slow after e7b5912b23 (Improvements to long lines handling) Ihor Radchenko
2022-08-14 16:08 ` Gregory Heytings
2022-08-14 17:31 ` Eli Zaretskii
2022-08-15 2:35 ` Eli Zaretskii
2022-08-15 9:03 ` Gregory Heytings
2022-08-15 11:41 ` Ihor Radchenko
2022-08-15 12:08 ` Eli Zaretskii
2022-08-16 10:47 ` Gregory Heytings
2022-08-16 11:55 ` Eli Zaretskii
2022-08-16 12:16 ` Ihor Radchenko
2022-08-16 12:24 ` Gregory Heytings
2022-08-16 12:39 ` Eli Zaretskii
2022-08-16 12:17 ` Gregory Heytings
2022-08-16 12:28 ` Ihor Radchenko
2022-08-16 12:43 ` Gregory Heytings
2022-08-20 16:50 ` Gregory Heytings
2022-08-21 3:25 ` Ihor Radchenko
2022-08-21 9:01 ` Gregory Heytings
2022-08-22 2:31 ` Ihor Radchenko
2022-08-22 14:09 ` Gregory Heytings
2022-08-22 15:45 ` Eli Zaretskii
2022-08-23 15:53 ` Gregory Heytings
2022-08-24 8:08 ` Ihor Radchenko
2022-08-24 8:26 ` Gregory Heytings
2022-10-10 8:09 ` Lars Ingebrigtsen
2022-10-10 12:03 ` Gregory Heytings
2022-10-11 0:25 ` Lars Ingebrigtsen
2022-12-08 10:05 ` Gregory Heytings
2022-08-16 12:50 ` Eli Zaretskii
2022-08-16 12:43 ` Eli Zaretskii
2022-08-15 11:39 ` Ihor Radchenko
2022-08-15 12:06 ` Eli Zaretskii
2022-08-15 14:12 ` Ihor Radchenko
2022-08-15 14:28 ` Eli Zaretskii
2022-08-15 17:08 ` Eli Zaretskii
2022-08-16 9:39 ` Ihor Radchenko
2022-08-16 12:33 ` Eli Zaretskii
2022-08-16 12:44 ` Gregory Heytings
2022-08-16 9:38 ` Ihor Radchenko
2022-08-14 16:24 ` Eli Zaretskii
2022-08-15 11:42 ` Ihor Radchenko
2022-08-15 11:53 ` Lars Ingebrigtsen
2022-08-15 12:10 ` Eli Zaretskii
2022-08-17 10:42 ` Lars Ingebrigtsen
2022-08-17 12:10 ` Eli Zaretskii
2022-08-17 12:36 ` Lars Ingebrigtsen
2022-08-17 13:27 ` Eli Zaretskii
2022-08-18 13:02 ` Lars Ingebrigtsen
2022-08-18 13:23 ` Eli Zaretskii
2022-08-18 13:33 ` Eli Zaretskii
2022-08-18 13:51 ` Lars Ingebrigtsen
2022-08-18 14:01 ` Lars Ingebrigtsen
2022-08-18 14:10 ` Eli Zaretskii
2022-08-18 14:13 ` Eli Zaretskii
2022-08-18 13:50 ` Lars Ingebrigtsen
2022-08-18 13:58 ` Eli Zaretskii
2022-08-18 14:02 ` Lars Ingebrigtsen
2022-08-18 14:13 ` Lars Ingebrigtsen
2022-08-18 14:14 ` Lars Ingebrigtsen
2022-08-18 14:32 ` Eli Zaretskii
2022-08-18 14:38 ` Lars Ingebrigtsen
2022-08-18 15:49 ` Eli Zaretskii
2022-08-19 12:02 ` Lars Ingebrigtsen
2022-08-19 12:22 ` Eli Zaretskii
2022-08-19 15:50 ` Lars Ingebrigtsen
2022-08-19 16:02 ` Lars Ingebrigtsen
2022-08-19 16:08 ` Lars Ingebrigtsen
2022-08-19 16:11 ` Eli Zaretskii
2022-08-19 16:16 ` Lars Ingebrigtsen
2022-08-19 17:21 ` Eli Zaretskii
2022-08-19 17:25 ` Lars Ingebrigtsen
2022-08-19 17:51 ` Eli Zaretskii
2022-08-20 9:15 ` Lars Ingebrigtsen
2022-08-20 9:29 ` Eli Zaretskii
2022-08-20 9:57 ` Lars Ingebrigtsen
2022-08-20 10:33 ` Eli Zaretskii
2022-08-20 17:14 ` Gregory Heytings
2022-08-20 17:26 ` Eli Zaretskii
2022-08-20 17:46 ` Gregory Heytings
2022-08-20 23:22 ` Gregory Heytings [this message]
2022-08-21 5:46 ` Eli Zaretskii
2022-08-21 11:43 ` Gregory Heytings
2022-08-21 12:02 ` Eli Zaretskii
2022-08-21 12:42 ` Gregory Heytings
2022-08-21 12:47 ` Lars Ingebrigtsen
2022-08-21 13:22 ` Gregory Heytings
2022-08-21 13:27 ` Lars Ingebrigtsen
2022-08-21 13:32 ` Gregory Heytings
2022-08-21 13:37 ` Lars Ingebrigtsen
2022-08-21 13:42 ` Eli Zaretskii
2022-08-21 13:38 ` Gregory Heytings
2022-08-21 13:39 ` Eli Zaretskii
2022-08-21 12:53 ` Eli Zaretskii
2022-08-21 13:18 ` Gregory Heytings
2022-08-21 13:24 ` Eli Zaretskii
2022-08-21 19:38 ` Gregory Heytings
2022-08-21 20:47 ` Lars Ingebrigtsen
2022-08-22 12:32 ` Eli Zaretskii
2022-08-22 14:00 ` Gregory Heytings
2022-08-21 12:08 ` Lars Ingebrigtsen
2022-08-19 16:20 ` Visuwesh
2022-08-19 17:22 ` Eli Zaretskii
2022-08-19 16:12 ` Eli Zaretskii
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