GNU bug report logs - #36167
[PATCH] Replace manually crafted hex regexes with [[:xdigit:]]

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Message #77 received at 36167 <at> debbugs.gnu.org (full text, mbox):

From: Eli Zaretskii <eliz <at> gnu.org>
To: Andy Moreton <andrewjmoreton <at> gmail.com>
Cc: 36167 <at> debbugs.gnu.org
Subject: Re: bug#36167: [PATCH] Replace manually crafted hex regexes with
 [[:xdigit:]]
Date: Wed, 12 Jun 2019 05:30:08 +0300

> From: Andy Moreton <andrewjmoreton <at> gmail.com>
> Date: Tue, 11 Jun 2019 20:56:09 +0100
> 
> The docs for [:digit:] and [:xdigit:] seem clear enough, but there is
> one other minor point that could be clarified.
> 
> The [:alnum:] and [:alpha:] are based on (unspecified values of) the Unicode
> general-category property, but [:digit:] is not. Thus [:alnum:] includes
> other numeric characters that are not matched by [:digit:].

It's true that [:alnum:] includes more numerical characters that
[:digit:], but what exactly needs to be clarified here?  Assuming you
mean clarified in the manual, that is.

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