linux-kernel - Re: [PATCH] Makefile: do not override LC

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Message-ID: <20100111105201.2d86135b@lxorguk.ukuu.org.uk>
Date:	Mon, 11 Jan 2010 10:52:01 +0000
From:	Alan Cox <alan@...rguk.ukuu.org.uk>
To:	"H. Peter Anvin" <hpa@...or.com>
Cc:	Masami Hiramatsu <mhiramat@...hat.com>,
	Michal Marek <mmarek@...e.cz>,
	Simon Horman <horms@...ge.net.au>,
	Roland Dreier <rdreier@...co.com>,
	Sam Ravnborg <sam@...nborg.org>,
	Sergei Trofimovich <slyfox@...ox.ru>,
	linux-kbuild@...r.kernel.org, linux-kernel@...r.kernel.org,
	linux-sh@...r.kernel.org
Subject: Re: [PATCH] Makefile: do not override LC_CTYPE

> This is tolower/toupper()?  Do there exist locales where tolower/toupper
> on ASCII input do weird things, or are we merely hypothesizing?

Turkish is the famous one for this and usually causes
internationalisation chaos. So yes they exist, and there are worse more
esoteric cases. There are good reasons sed and friends support classes as
well as old C locale style ranges.

Alan
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