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Re: :alnum: broken?
From: |
Paul Eggert |
Subject: |
Re: :alnum: broken? |
Date: |
Fri, 21 Feb 2020 17:09:20 -0800 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.5.0 |
On 2/21/20 1:28 PM, Stephen Leake wrote:
I propose this patch to help others avoid the same mistake:
Perhaps better yet would be for Emacs to do what GNU grep does:
$ grep '[:space:]'
grep: character class syntax is [[:space:]], not [:space:]
$ echo $?
2
That is, GNU grep treats a bracket expression like '[:space:]' as an
error, since it's inevitably a typo. (POSIX does not allow this behavior
so the diagnostic is suppressed if POSIXLY_CORRECT is set.)
- :alnum: broken?, Stephen Leake, 2020/02/21
- Re: :alnum: broken?, Paul Eggert, 2020/02/21
- Re: :alnum: broken?, Mattias Engdegård, 2020/02/23
- Re: :alnum: broken?, Paul Eggert, 2020/02/23
- Re: :alnum: broken?, Eli Zaretskii, 2020/02/23
- Re: :alnum: broken?, Óscar Fuentes, 2020/02/23
- RE: :alnum: broken?, Drew Adams, 2020/02/23
- Re: :alnum: broken?, Richard Stallman, 2020/02/24
- Re: :alnum: broken?, Stefan Monnier, 2020/02/25