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Re: How to detect end of buffer? [was: Deleting a word using keybinding]


From: Stephen Berman
Subject: Re: How to detect end of buffer? [was: Deleting a word using keybinding]
Date: Fri, 16 Oct 2020 14:18:31 +0200
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/28.0.50 (gnu/linux)

On Fri, 16 Oct 2020 00:12:07 -0400 Stefan Monnier <monnier@iro.umontreal.ca> 
wrote:

>> That regexp recognizes only ASCII letters.  If you want any letters
>> supported by the current locale, use [[:alnum:]].
>
> Actually, Emacs's character classes aren't quite like POSIX's: they
> don't pay attention to the locale (at least, by and large).

Thanks, didn't know that.  I'd just tested that [[:alnum:]] recognizes
non-ASCII characters and assumed it was because of the locale
(en_US.UTF-8), but now I checked the code and IIUC it uses
unicode-category-table without reference to the locale.

Steve Berman



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