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bug#1174: 23.0.60; Some UTF-8 mails displaying wrongly in Emacs 23
From: |
Reiner Steib |
Subject: |
bug#1174: 23.0.60; Some UTF-8 mails displaying wrongly in Emacs 23 |
Date: |
Sun, 30 Nov 2008 14:12:02 +0100 |
User-agent: |
Gnus/5.110011 (No Gnus v0.11) Emacs/22.1 (gnu/linux) |
On Sat, Nov 29 2008, Stefan Monnier wrote:
>> Stefan, what are the "accidental emacs-mule-valid byte sequences"
>> that trigger this problem? It would be good if someone could send
>> me a problematic article. [2]
>
> In Emacs-22, the problem was more difficult to trigger: you had to
> receive an email whose undecoded text contained emacs-mule escape
> sequences, which is rather uncommon. With Emacs-23, it's a lot more
> common since the internal encoding has changed to a variant of utf-8:
> an 8bit body using utf-8 will see its content unwillingly decoded during
> nnimap-demule which leads to the bugs we've seen recently.
Could you send me an article demonstrating the problem?
> I'm pretty sure that string-as-multibyte is wrong here in general.
> Maybe the problem is that nnimap-demule is used blindly in different
> contexts where some need string-to-multibyte and some need
> string-as-multibyte. E.g. maybe Simon's problem was linked to imap
> groups with non-ASCII chars in their names, rather than in the
> message bodies.
I'm not familiar with the IMAP code, but AFAICS, `nnimap-demule' is
only used when getting headers or body:
| nnimap.el:611: headers (nnimap-demule
(defun nnimap-retrieve-headers-progress ()
"Hook to insert NOV line for current article into `nntp-server-buffer'."
| nnimap.el:951: (nnimap-demule
(defun nnimap-callback (article gnus-callback buffer)
(when (eq article (imap-current-message))
(remove-hook 'imap-fetch-data-hook
(nnimap-make-callback article gnus-callback buffer))
(with-current-buffer buffer
(insert
(with-current-buffer nnimap-server-buffer
(nnimap-demule
(if (imap-capability 'IMAP4rev1)
;; xxx don't just use car? alist doesn't contain
;; anything else now, but it might...
(nth 2 (car (imap-message-get article 'BODYDETAIL)))
(imap-message-get article 'RFC822)))))
(nnheader-ms-strip-cr)
(funcall gnus-callback t))))
| nnimap.el:977: (insert (nnimap-demule (if detail
(defun nnimap-request-article-part (article part prop &optional
group server to-buffer detail)
Bye, Reiner.
--
,,,
(o o)
---ooO-(_)-Ooo--- | PGP key available | http://rsteib.home.pages.de/