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bug#2416: 23.0.60; decode-coding-region


From: MJ
Subject: bug#2416: 23.0.60; decode-coding-region
Date: Sat, 21 Feb 2009 08:20:12 -0500

Thanks for the reply. I just tried with the latest CVS version and the problem still persists:

"GNU Emacs 23.0.90.1 (i386-mingw-nt5.1.2600) of 2009-02-21 on T42"

On Sat, Feb 21, 2009 at 4:16 AM, Eli Zaretskii <address@hidden> wrote:
> Date: Fri, 20 Feb 2009 13:13:01 -0800 (PST)
> From: mj <address@hidden>
> Cc:
>
> I have been having this problem since I switched to Emacs 23 several
> weeks ago. I'm using VM to read my mails. There seems to be a problem
> in decode-coding-region when VM tries to decode a string. When VM
> tries to decode a region or a string, it uses a temporary buffer and
> basically runs the following lisp code:
>
> (apply 'decode-coding-region (point-min) (point-max)  'us-ascii nil)
>
> The original buffer  content would be something like this:
>
> B7040400-12
> some text here
>
> after decode-coding-region is executed, the buffer content became:
>
> address@hidden
> some text here
>
> Where ^@ is actually binary code \0 (not ascii ^ and @). There is another instance
> that a string was decoded and the result is  ^@ prefixed.
>
> I could not reproduce this with "Emacs -Q". But it always happens when
> thsoe particular messages were processed by VM.

Could you please see if the problem still persists in the current CVS?
Your Emacs seems to be about a month old (Jan 29), and a couple of
related bugs were fixed in coding.c since then.


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