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From: Eli Zaretskii <eliz@gnu.org>
To: help-gnu-emacs@gnu.org
Subject: Re: search-forward in emacs23 lisp
Date: Mon, 29 Mar 2010 18:17:53 +0300	[thread overview]
Message-ID: <83bpe717j2.fsf@gnu.org> (raw)
In-Reply-To: <20100329.100117.57809164175956070.rasmith@aristotle.tamu.edu>

> Date: Mon, 29 Mar 2010 10:01:17 -0500 (CDT)
> Cc: help-gnu-emacs@gnu.org
> From: rasmith@tamu.edu
> 
> In other words, search-forward cannot find byte \377 when searching in
> a *unibyte* buffer, but it can find that same byte if the buffer is
> changed to multibyte.  The reason is that in a unibyte buffer,
> search-forward apparently changes byte \377 to a two-byte
> representation (but not to utf-8, which would be \303\277).  
> 
> The code I had a problem with can be fixed by using char-after
> (or more elegantly, I've now learned, using skip-chars-forward),
> However, there's probably other code out there that's now broken
> because of this.  Is it a bug, or was it a mistake to expect
> search-forward to find a single high byte in a multibyte buffer in the
> first place?

Please ask these questions on emacs-devel@gnu.org.  All the experts
who know the answers are there.





      reply	other threads:[~2010-03-29 15:17 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-03-27 20:31 search-forward in emacs23 lisp rasmith
2010-03-28 16:39 ` rasmith
2010-03-28 16:50   ` Lennart Borgman
2010-03-28 17:04     ` rasmith
2010-03-28 17:10       ` Lennart Borgman
2010-03-28 17:56         ` rasmith
2010-03-28 17:59         ` rasmith
2010-03-28 18:22           ` Lennart Borgman
2010-03-28 21:45 ` Peter Dyballa
2010-03-29  0:44   ` rasmith
2010-03-28 23:00 ` Johan Bockgård
2010-03-29  6:51   ` Eli Zaretskii
2010-03-29 15:01     ` rasmith
2010-03-29 15:17       ` Eli Zaretskii [this message]

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