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Message-ID: <48199175.7060906@gmail.com>
Date: Thu, 01 May 2008 15:46:29 +0600
From: "Alexander E. Patrakov" <patrakov@gmail.com>
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To: Willy Tarreau <w@1wt.eu>
CC: Alan Cox <alan@lxorguk.ukuu.org.uk>,
       Helge Hafting <helge.hafting@aitel.hist.no>,
       Adrian Bunk <bunk@kernel.org>, "H. Peter Anvin" <hpa@kernel.org>,
       linux-kernel@vger.kernel.org, trivial@kernel.org
Subject: Re: [2.6 patch] UTF-8 fixes in comments
References: <20080428154023.GU2813@cs181133002.pp.htv.fi> <20080428230524.GK8474@1wt.eu> <48167A07.4000305@kernel.org> <20080429050605.GA27875@1wt.eu> <20080429072911.GA28059@cs181133002.pp.htv.fi> <20080429081423.GD30507@1wt.eu> <4816E4FD.5060605@aitel.hist.no> <20080429100934.GB1473@1wt.eu> <20080429111014.5a065b88@core> <20080429103335.GD1473@1wt.eu>
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Willy Tarreau wrote:
> In my opinion, the problem is that when I press "é", the system sends
> two chars to the bash, which itself sends two chars to the terminal,
> which only displays one and moves the cursor one step ahead. Then,
> pressing backspace once sends one backspace all along, resulting in
> the terminal blanking one displayed char, but the shell not being
> aware that only half of it was removed. But if you look at how
> control chars are handled, if you display ^H then press backspace,
> you remove all of it. It's the terminal which adjusts the position
> depending on the character length.

export LANG=en_US.UTF-8 (i.e., inform the userspace that you are using UTF-8), 
unset LC_CTYPE and unset LC_ALL (so that they don't override $LANG), and problem 
solved.

-- 
Alexander E. Patrakov