Subject: bug#45925: 27.1; *Summary* buffer vs. raw utf-8 headers

From: Lars Ingebrigtsen <[email-masked]>
Date: Tue, 19 Jan 2021 06:30:44 +0100

積丹尼 Dan Jacobson <[email-masked]> writes:

> Try this simple experiment:
> $ echo Subject: 一二三|procmail
> $ echo Subject: 一二三|iconv -t big5|procmail

I don't have procmail installed, so I'm not sure what these do -- are
you sending a mail (to yourself?) here?  Do you have a recipe to
reproduce this problem without the use of procmail?

> $ emacs -f gnus
>
> In the *Article* buffer, both look like
> Subject: 一二三
> In the *Summary* buffer so does the big5 version.
> Alas, the utf-8 version looks like
> c\x80\xd3....
>
> (Yes, these are illegal raw headers. But Gnus is supposed to be
> accommodating. And it does... but oddly not for the majority (UTF-8) case.)

[...]

> (Might be related to bug#45724.)

Is this still with nnml?  If so, could you find the resulting lines in
the .overview files in the nnml directory and post them here?  (Perhaps
after gzipping them to avoid Emacs helpfully re-encoding the lines.)

-- 
(domestic pets only, the antidote for overdose, milk.)
   bloggy blog: http://lars.ingebrigtsen.no