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Re: regex and case-fold-search problem
From: |
Kenichi Handa |
Subject: |
Re: regex and case-fold-search problem |
Date: |
Sat, 24 Aug 2002 10:16:10 +0900 (JST) |
User-agent: |
SEMI/1.14.3 (Ushinoya) FLIM/1.14.2 (Yagi-Nishiguchi) APEL/10.2 Emacs/21.1.30 (sparc-sun-solaris2.6) MULE/5.0 (SAKAKI) |
In article <address@hidden>, "Stefan Monnier" <monnier+gnu/address@hidden>
writes:
> But I think that if it works with (case-fold-search nil) it should
> also work with (case-fold-search t). The current behavior is really
> counter-intuitive.
I agree.
>> But, anyway, we have to decide what to do.
>>
>> (1) Regard the above case as a bug, and fix it completely.
>> As we don't support a range striding over different
>> charsets by the current Emacs, I think the fix is
>> difficult but not that much. But, in emacs-unicode, we
>> can't have such a restriction, and thus the fix is very
>> difficult.
> For ASCII it's pretty easy to fix. But for other charsets, it's
> indeed more tricky. Maybe we can simply use the smallest contiguous
> range of chars that includes all the chars we should match,
> so the behavior is indeed "implementation-defined" (in the sense
> that it's not necessarily obvious to the user what happens) but
> it's at least less confusing (in the sense that (case-fold-search t)
> matches at least as much as (case-fold-search nil)).
Ideally, the range "[A-_]" must be converted to "[a-z[-_]".
But, it seems that your idea is to convert "[A-_]" to
"[_-z]", correct? I agree that it results in less
counter-intuitive behaviour.
> How about the patch below ?
[...]
?? It seems that the patch handles only non-ASCII chars.
---
Ken'ichi HANDA
address@hidden
- Re: regex and case-fold-search problem, (continued)
- Re: regex and case-fold-search problem, Richard Stallman, 2002/08/26
- Re: regex and case-fold-search problem, Eli Zaretskii, 2002/08/24
- Re: regex and case-fold-search problem, Kenichi Handa, 2002/08/25
- Re: regex and case-fold-search problem, Miles Bader, 2002/08/25
- Re: regex and case-fold-search problem, Kim F. Storm, 2002/08/25
Re: regex and case-fold-search problem, Stefan Monnier, 2002/08/23
Re: regex and case-fold-search problem, Kai Großjohann, 2002/08/24
Re: regex and case-fold-search problem, Richard Stallman, 2002/08/26
- Re: regex and case-fold-search problem, Kenichi Handa, 2002/08/29
- Re: regex and case-fold-search problem, Kim F. Storm, 2002/08/29
- Re: regex and case-fold-search problem, Kenichi Handa, 2002/08/29
- Re: regex and case-fold-search problem, Kim F. Storm, 2002/08/29
- Re: regex and case-fold-search problem, Stefan Monnier, 2002/08/29
- Re: regex and case-fold-search problem, Kenichi Handa, 2002/08/29