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Date: Sun, 3 May 2026 12:47:48 +0200
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Subject: Re: wcwidth broken with gcc 16
To: cygwin AT cygwin DOT com
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From: Thomas Wolff via Cygwin <cygwin AT cygwin DOT com>
Reply-To: Thomas Wolff <towo AT towo DOT net>
Errors-To: cygwin-bounces~archive-cygwin=delorie DOT com AT cygwin DOT com
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Am 03.05.2026 um 07:35 schrieb ASSI via Cygwin:
> Thomas Wolff via Cygwin writes:
>> Observed with gcc 16:
>> For a number of character ranges, mainly (but not only) from CJK
>> ranges, wcwidth incorrectly reports width 1 instead of 2, 0, or -1.
>> Test file attached.
> Can you report this upstream, please?
I couldn't yet test it with gcc 16 on Linux as there is no Debian package.
Did you test it?

> Regards,
> Achim.


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