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bug#58992: 28.2; "lax space matching" no longer works
From: |
Vincent Lefevre |
Subject: |
bug#58992: 28.2; "lax space matching" no longer works |
Date: |
Fri, 4 Nov 2022 16:02:33 +0100 |
User-agent: |
Mutt/2.2.7+51 (a318ca5a) vl-149028 (2022-10-21) |
On 2022-11-04 15:35:28 +0100, Andreas Schwab wrote:
> On Nov 04 2022, Vincent Lefevre wrote:
>
> > On 2022-11-04 14:25:20 +0100, Andreas Schwab wrote:
> >> On Nov 04 2022, Vincent Lefevre wrote:
> >>
> >> > On 2022-11-04 12:38:14 +0100, Andreas Schwab wrote:
> >> >> On Nov 04 2022, Vincent Lefevre wrote:
> >> >>
> >> >> > Wow! This is really confusing! [:space:] is defined by POSIX,
> >> >>
> >> >> Emacs regexps are _not_ defined by POSIX.
> >> >>
> >> >> > A character alternative can also specify named character classes
> >> >> > (*note Char Classes::). This is a POSIX feature. [...]
> >> > ^^^^^^^^^^^^^^^^^^^^^^^
> >> >
> >> >> Did you read the referenced node?
> >> >
> >> > Did you read what the manual says?
> >>
> >> Yes, I did.
> >
> > No, you didn't.
> >
> >> ‘[:space:]’
> >> This matches any character that has whitespace syntax (*note Syntax
> >> Class Table::).
> >
> > This is NOT a POSIX feature!!!
>
> Yes, it is. POSIX has introduced that syntax, and Emacs copied it.
Since the meaning in Emacs is different, Emacs didn't copy it.
It was merely inspired by POSIX.
--
Vincent Lefèvre <vincent@vinc17.net> - Web: <https://www.vinc17.net/>
100% accessible validated (X)HTML - Blog: <https://www.vinc17.net/blog/>
Work: CR INRIA - computer arithmetic / AriC project (LIP, ENS-Lyon)
- bug#58992: 28.2; "lax space matching" no longer works, (continued)
- bug#58992: 28.2; "lax space matching" no longer works, Eli Zaretskii, 2022/11/04
- bug#58992: 28.2; "lax space matching" no longer works, Eli Zaretskii, 2022/11/04
- bug#58992: 28.2; "lax space matching" no longer works, Vincent Lefevre, 2022/11/03
- bug#58992: 28.2; "lax space matching" no longer works, Eli Zaretskii, 2022/11/04
- bug#58992: 28.2; "lax space matching" no longer works, Vincent Lefevre, 2022/11/04
- bug#58992: 28.2; "lax space matching" no longer works, Andreas Schwab, 2022/11/04
- bug#58992: 28.2; "lax space matching" no longer works, Vincent Lefevre, 2022/11/04
- bug#58992: 28.2; "lax space matching" no longer works, Andreas Schwab, 2022/11/04
- bug#58992: 28.2; "lax space matching" no longer works, Vincent Lefevre, 2022/11/04
- bug#58992: 28.2; "lax space matching" no longer works, Andreas Schwab, 2022/11/04
- bug#58992: 28.2; "lax space matching" no longer works,
Vincent Lefevre <=
- bug#58992: 28.2; "lax space matching" no longer works, Andreas Schwab, 2022/11/04
- bug#58992: 28.2; "lax space matching" no longer works, Eli Zaretskii, 2022/11/04
- bug#58992: 28.2; "lax space matching" no longer works, Robert Pluim, 2022/11/04
- bug#58992: 28.2; "lax space matching" no longer works, Eli Zaretskii, 2022/11/04
- bug#58992: 28.2; "lax space matching" no longer works, Vincent Lefevre, 2022/11/04
- bug#58992: 28.2; "lax space matching" no longer works, Eli Zaretskii, 2022/11/04
- bug#58992: 28.2; "lax space matching" no longer works, Vincent Lefevre, 2022/11/04
- bug#58992: 28.2; "lax space matching" no longer works, Eli Zaretskii, 2022/11/05
- bug#58992: 28.2; "lax space matching" no longer works, Vincent Lefevre, 2022/11/05