From eugen@grosbein.net Fri Aug 20 09:18:40 2021
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Subject: Re: Confusion with grep & locale?
To: Helge Oldach <freebsd@oldach.net>, stable@freebsd.org
References: <202108200903.17K93QN3091126@nuc.oldach.net>
From: Eugene Grosbein <eugen@grosbein.net>
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Date: Fri, 20 Aug 2021 16:18:40 +0700
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20.08.2021 16:03, Helge Oldach wrote:
> Hi all,
> 
> I'm confused about the FreeBSD behaviour with respect to locale's
> and grep - specifically, it seems case sensitivity is not handled
> consistently when grepping character ranges. It looks to me like 11 and
> 13 are not behaving consistently however I'm unclear why.

FreeBSD 11 uses GNU grep by default but newer version switched to using bsdgrep as grep.