GNU bug report logs - #1174
23.0.60; Some UTF-8 mails displaying wrongly in Emacs 23

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From: Frank Schmitt <ich <at> frank-schmitt.net>
To: Stefan Monnier <monnier <at> iro.umontreal.ca>
Cc: Simon Josefsson <jas <at> extundo.com>, ding <at> gnus.org,
        1174 <at> debbugs.gnu.org
Subject: bug#1174: 23.0.60; Some UTF-8 mails displaying wrongly in Emacs 23
Date: Thu, 04 Dec 2008 22:43:51 +0100

Reiner Steib <reinersteib+gmane <at> imap.cc> writes:

> On Tue, Dec 02 2008, Stefan Monnier wrote:
>
>>> In Emacs 21 (which Gnus still aim to be compatible with), we have
>>> string-as-multibyte, but not string-to-multibyte.  So your proposed
>>> code (i.e. mm-string-to-multibyte) runs
>>
>>>   (string-as-multibyte (char-to-string string))
>>> whereas we used to run
>>>   (string-as-multibyte string)
>>> Does char-to-string matter here?
> [...]
>>>     (lambda (string)
>>>       "Return a multibyte string with the same individual chars as string."
>>>       (mapconcat
>>>        (lambda (ch) (mm-string-as-multibyte (char-to-string ch)))
>>>        string "")))))
>>
>> Oh, that's clever: yes, the mapconcat/char-to-string dance does make it
>> implement the string-to-multibyte behavior because doing the
>> string-as-multibyte conversion one byte at a time avoids the
>> problematic case.  
>
> Good.  So I think you can close this bug.  Thanks.

Yes, I can confirm the bug is fixed in CVS head.

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