From: Eli Zaretskii <eliz@gnu.org>
To: Vincent Lefevre <vincent@vinc17.net>
Cc: 58992@debbugs.gnu.org
Subject: bug#58992: 28.2; "lax space matching" no longer works
Date: Fri, 04 Nov 2022 13:45:35 +0200 [thread overview]
Message-ID: <83k04b54f4.fsf@gnu.org> (raw)
In-Reply-To: <20221104101513.GM9807@zira.vinc17.org> (message from Vincent Lefevre on Fri, 4 Nov 2022 11:15:13 +0100)
> Date: Fri, 4 Nov 2022 11:15:13 +0100
> From: Vincent Lefevre <vincent@vinc17.net>
> Cc: 58992@debbugs.gnu.org
>
> > > The [[:space:]\n]+ in the doc is misleading. Since a newline character
> > > is a whitespace, [[:space:]]+ is sufficient.
> >
> > That is only true in major modes where the newline has the
> > "whitespace" syntax, see the description of [:space:] in the ELisp
> > manual. I guess you tried this in Fundamental mode or somesuch?
>
> Wow! This is really confusing! [:space:] is defined by POSIX, and the
> manual even refers to it:
>
> A character alternative can also specify named character classes
> (*note Char Classes::). This is a POSIX feature. [...]
>
> You must not change its behavior! Making it depend on the major mode
> is even worse.
Too late for such changes, sorry. Emacs interprets [:space:] like
that since at least Emacs 22, if not before.
next prev parent reply other threads:[~2022-11-04 11:45 UTC|newest]
Thread overview: 53+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-11-03 16:53 bug#58992: 28.2; "lax space matching" no longer works Vincent Lefevre
2022-11-03 17:04 ` Eli Zaretskii
2022-11-03 17:21 ` Vincent Lefevre
2022-11-03 17:34 ` Vincent Lefevre
2022-11-03 18:05 ` Eli Zaretskii
2022-11-03 17:49 ` Gregory Heytings
2022-11-03 17:56 ` Vincent Lefevre
2022-11-03 18:02 ` Vincent Lefevre
2022-11-03 18:04 ` Gregory Heytings
2022-11-03 18:04 ` Vincent Lefevre
2022-11-03 18:11 ` Gregory Heytings
2022-11-03 18:18 ` Gregory Heytings
2022-11-03 18:28 ` Vincent Lefevre
2022-11-03 18:39 ` Eli Zaretskii
2022-11-03 18:43 ` Gregory Heytings
2022-11-03 18:36 ` Juri Linkov
2022-11-03 18:18 ` Eli Zaretskii
2022-11-03 18:02 ` Gregory Heytings
2022-11-03 18:03 ` Eli Zaretskii
2022-11-03 18:33 ` Vincent Lefevre
2022-11-03 18:42 ` Eli Zaretskii
2022-11-03 18:52 ` Vincent Lefevre
2022-11-03 19:22 ` Eli Zaretskii
2022-11-04 2:29 ` Vincent Lefevre
2022-11-04 3:38 ` Vincent Lefevre
2022-11-04 7:25 ` Eli Zaretskii
2022-11-04 10:46 ` Vincent Lefevre
2022-11-04 11:50 ` Eli Zaretskii
2022-11-04 7:14 ` Eli Zaretskii
2022-11-04 10:41 ` Vincent Lefevre
2022-11-04 10:56 ` Vincent Lefevre
2022-11-04 11:52 ` Eli Zaretskii
2022-11-04 13:04 ` Vincent Lefevre
2022-11-04 13:40 ` Eli Zaretskii
2022-11-04 11:48 ` Eli Zaretskii
2022-11-04 3:30 ` Vincent Lefevre
2022-11-04 7:21 ` Eli Zaretskii
2022-11-04 10:15 ` Vincent Lefevre
2022-11-04 11:38 ` Andreas Schwab
2022-11-04 12:47 ` Vincent Lefevre
2022-11-04 13:25 ` Andreas Schwab
2022-11-04 14:32 ` Vincent Lefevre
2022-11-04 14:35 ` Andreas Schwab
2022-11-04 15:02 ` Vincent Lefevre
2022-11-04 15:24 ` Andreas Schwab
2022-11-04 11:45 ` Eli Zaretskii [this message]
2022-11-04 13:56 ` Robert Pluim
2022-11-04 14:04 ` Eli Zaretskii
2022-11-04 15:00 ` Vincent Lefevre
2022-11-04 15:23 ` Eli Zaretskii
2022-11-05 1:55 ` Vincent Lefevre
2022-11-05 6:47 ` Eli Zaretskii
2022-11-05 11:20 ` Vincent Lefevre
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