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bug#11786: Use c_strcasecmp for portable ASCII case-insensitive comparis


From: Andreas Schwab
Subject: bug#11786: Use c_strcasecmp for portable ASCII case-insensitive comparison
Date: Tue, 26 Jun 2012 18:39:02 +0200
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/24.1 (gnu/linux)

Eli Zaretskii <address@hidden> writes:

>> From: Andreas Schwab <address@hidden>
>> Cc: Paul Eggert <address@hidden>,  Dmitry Antipov <address@hidden>,  
>> address@hidden
>> Date: Tue, 26 Jun 2012 18:25:03 +0200
>> 
>> Eli Zaretskii <address@hidden> writes:
>> 
>> > Can tolower fail for these, somehow, in a locale that uses a multibyte
>> > encoding for these strings, and if so, can you give a practical
>> > example of such a failure?
>> 
>> tolower ('I') in a turkish locale.
>
> OK, but that's not an issue with multibyte locales.

It's an issue with both tr_TR.ISO-8859-8 and tr_TR.UTF-8.  In the former
case you get a non-ASCII character, in the latter case you get an upper
case character.

Andreas.

-- 
Andreas Schwab, address@hidden
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