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Re: Scan of regexps in Emacs (March 17)
From: |
Paul Eggert |
Subject: |
Re: Scan of regexps in Emacs (March 17) |
Date: |
Wed, 3 Apr 2019 10:02:33 -0700 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.6.1 |
On 4/2/19 9:52 PM, Eli Zaretskii wrote:
> Emacs sometimes does use regexps when dealing with unibyte
> buffers and strings, where these ranges could be significant.
Quite possibly we'd want to support the case where a range in a unibyte
pattern is used against a unibyte buffer or string, as the semantics are
straightforward there and the code should work (or at least I think it
should work; the implementation is not clear). The troublesome cases
with ranges and raw 8-bit bytes occur when either the pattern or the
buffer/string is multibyte - there it's not clear what the
implementation *should* do, much less what it does.
- Re: Scan of regexps in Emacs (March 17), Paul Eggert, 2019/04/02
- Re: Scan of regexps in Emacs (March 17), Mattias Engdegård, 2019/04/02
- Re: Scan of regexps in Emacs (March 17), Noam Postavsky, 2019/04/02
- Re: Scan of regexps in Emacs (March 17), Stefan Monnier, 2019/04/02
- Re: Scan of regexps in Emacs (March 17), Paul Eggert, 2019/04/02
- Re: Scan of regexps in Emacs (March 17), Mattias Engdegård, 2019/04/06
- Re: Scan of regexps in Emacs (March 17), Michael Albinus, 2019/04/07
- Re: Scan of regexps in Emacs (March 17), Paul Eggert, 2019/04/07
- Re: Scan of regexps in Emacs (March 17), Mattias Engdegård, 2019/04/07
- Re: Scan of regexps in Emacs (March 17), Paul Eggert, 2019/04/07