To: notmuch@notmuchmail.org
From: Eric Abrahamsen <eric@ericabrahamsen.net>
Subject: Re: UTF-8 in mail headers (namely FROM) sent by bugzilla
Date: Wed, 24 Jul 2013 14:44:56 +0800
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Message-ID: <878v0wqwwn.fsf@ericabrahamsen.net>
References: <08cb1dcd-c5db-4e33-8b09-7730cb3d59a2@gmail.com>
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User-Agent: Gnus/5.130008 (Ma Gnus v0.8) Emacs/24.3 (gnu/linux)
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Franz Fellner <alpine.art.de@gmail.com>
writes:

> On Dienstag, 23. Juli 2013 11:30:28 CEST, Eric Abrahamsen wrote:
>>> I have a problem with notmuch-vim (now: git master from 10 min. ago)
>>> (also with alot and ner, not with 'notmuch show' or notmuch-emacs).
>>> UTF-8-encoded From: (at least) does not show Umlauts but a weird
>>> encoded-string. ...
>>
>> Looks like rfc 2047, which is a way of encoding non-ASCII characters in
>> message headers. Gmail does the same thing, and I've had to work around
>> that in emacs/gnus.
>>
>> http://www.ietf.org/rfc/rfc2047.txt
>
> OK, thx. So every app needs to get patched to display those strings properly? Any chance this could be done directly in libnotmuch?
> I grepped for "2047" inside te "emacs" subtree, but found nothing (had
> the hope for a comment for the workaround). Would be interesting to
> see how this is done, so I can at least try to create a patch (though
> my ruby is quite basic).

The version of gnus I'm using (git) comes with a rfc2047.el file, with
all the appropriate functions. That might be of interest, even if the
solution ends up being in the basic library...

http://git.gnus.org/cgit/gnus.git/tree/lisp/rfc2047.el