GNU bug report logs - #32272
[PATCH] iscntrl: behavior for chars >= 0x80

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From: L A Walsh <coreutils <at> tlinx.org>
To: 32272 <at> debbugs.gnu.org
Subject: bug#32272: [PATCH] iscntrl: behavior for chars >= 0x80
Date: Wed, 25 Jul 2018 10:23:15 -0700

Pádraig Brady wrote:
> +This function does not support arguments outside of the range of the
> +unsigned char type in locales with large character sets, on some platforms.
> +OS X 10.5 will return non zero for characters >= 0x80 in UTF-8 locales.
>   
---
   According to Unicode, characters 0x80-0x9F are control
characters, but characters >=0xA0 are not (and have different
classifications (at least in Unicode).

   The patch doesn't say if OS X 10.5 is classifying them correctly
or not.  For example,  0xA0 is a type of Space, some are symbols, some are
letters, some are a type of punctuation, etc...

   Perhaps OS X is using their Unicode definition for characters defined
to be in a Unicode compatible encoding?



  

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