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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.





  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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