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Date: Wed, 24 Oct 2001 09:57:02 -0400
From: Clint Adams <clint@zsh.org>
To: Borsenkow Andrej <Andrej.Borsenkow@mow.siemens.ru>
Cc: "'Geoff Wing'" <gcw@zsh.org>, "'Zsh Hackers'" <zsh-workers@sunsite.dk>
Subject: Re: multibyte backwarddeletechar
Message-ID: <20011024095702.A25268@dman.com>
References: <20011022073231.B31806@dman.com> <000f01c15af1$68294d80$21c9ca95@mow.siemens.ru>
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In-Reply-To: <000f01c15af1$68294d80$21c9ca95@mow.siemens.ru>; from Andrej.Borsenkow@mow.siemens.ru on Mon, Oct 22, 2001 at 04:02:22PM +0400

> I am not sure I follow it. What you actually have to do is
> 
> - on input: either get plain characters and convert them using btowc
> (that is O.K. as starting point) or read multibyte stream with mb*
> functions and convert them with mbtowc (that is needed as final result
> to be able to deal with UTF-8 encoding finally).
 
> - on output: use either wctob or wctomb.
> 
> Looks like you did exactly opposite :-)

Indeed.  I suppose I expected fgetwc to be smarter than it is.

wcwidth() seems to be a good answer to the ZLE line-width
determining problem.