GNU bug report logs - #1215
23.0.60; unibyte->multibyte conversion problem (in search-forward and friends)

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Package: emacs;

Reported by: "Eduardo Ochs" <eduardoochs <at> gmail.com>

Date: Tue, 21 Oct 2008 16:10:03 UTC

Severity: normal

Done: Chong Yidong <cyd <at> stupidchicken.com>

Bug is archived. No further changes may be made.

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Message #25 received at 1215 <at> emacsbugs.donarmstrong.com (full text, mbox):

From: Stefan Monnier <monnier <at> iro.umontreal.ca>
To: Juanma Barranquero <lekktu <at> gmail.com>
Cc: Eduardo Ochs <eduardoochs <at> gmail.com>, 1215 <at> debbugs.gnu.org
Subject: Re: bug#1215: 23.0.60; unibyte->multibyte conversion problem (in
Date: Thu, 15 Jan 2009 21:47:04 -0500

>> There's a bug here, indeed: Emacs should refuse to save such a file,
>> because raw-text-unix (to which I prefer to refer as `binary') cannot
>> encode « and ».
> Why not? « is U+00AB and » is U+00BB.

Neither of which is a byte.  The byte 0xAB is the Emacs character
#x3fffab, as shown by (unibyte-char-to-multibyte #xab).

If you save that file and read it back in, you'll see that its content
has changed.  `save-buffer' should not silently save if it will
lose information.


        Stefan
This bug report was last modified 15 years and 184 days ago.

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