GNU bug report logs - #42951
28.0.50; Reading ephemeral web-based groups in Gnus doesn't handle 8bit encoding correctly

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Message #5 received at submit <at> debbugs.gnu.org (full text, mbox):

From: Lars Ingebrigtsen <larsi <at> gnus.org>
To: bug-gnu-emacs <at> gnu.org
Subject: 28.0.50; Reading ephemeral web-based groups in Gnus doesn't handle
 8bit encoding correctly
Date: Thu, 20 Aug 2020 14:42:57 +0200

[Message part 1 (text/plain, inline)]

As a test case:

(gnus-read-ephemeral-emacs-bug-group 35885)

Select an article by Sebastian Urban that has non-ASCII characters.
These have content-type utf-8, and content-transfer-encoding 8bit, and
they display like this:

[Message part 2 (image/png, inline)]

[Message part 3 (text/plain, inline)]

I suspect that URL is using a multibyte buffer somewhere, and that leads
to ... problems.


In GNU Emacs 28.0.50 (build 52, x86_64-pc-linux-gnu, GTK+ Version 3.24.20, cairo version 1.16.0)
 of 2020-08-19 built on xo
Repository revision: 9c17df59a38b71166c8e4644ab525e791f7ff21c
Repository branch: master
Windowing system distributor 'The X.Org Foundation', version 11.0.12008000
System Description: Debian GNU/Linux bullseye/sid

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

Message #8 received at 42951 <at> debbugs.gnu.org (full text, mbox):

From: Andreas Schwab <schwab <at> linux-m68k.org>
To: Lars Ingebrigtsen <larsi <at> gnus.org>
Cc: 42951 <at> debbugs.gnu.org
Subject: Re: bug#42951: 28.0.50; Reading ephemeral web-based groups in Gnus
 doesn't handle 8bit encoding correctly
Date: Thu, 20 Aug 2020 15:06:34 +0200

On Aug 20 2020, Lars Ingebrigtsen wrote:

> I suspect that URL is using a multibyte buffer somewhere, and that leads
> to ... problems.

You get the same error when you save the raw message in a file and read
it with G f (gnus-group-make-doc-group).

Andreas.

-- 
Andreas Schwab, schwab <at> linux-m68k.org
GPG Key fingerprint = 7578 EB47 D4E5 4D69 2510  2552 DF73 E780 A9DA AEC1
"And now for something completely different."

Message #11 received at 42951 <at> debbugs.gnu.org (full text, mbox):

From: Lars Ingebrigtsen <larsi <at> gnus.org>
To: Andreas Schwab <schwab <at> linux-m68k.org>
Cc: 42951 <at> debbugs.gnu.org
Subject: Re: bug#42951: 28.0.50; Reading ephemeral web-based groups in Gnus
 doesn't handle 8bit encoding correctly
Date: Fri, 21 Aug 2020 15:37:44 +0200

Andreas Schwab <schwab <at> linux-m68k.org> writes:

> On Aug 20 2020, Lars Ingebrigtsen wrote:
>
>> I suspect that URL is using a multibyte buffer somewhere, and that leads
>> to ... problems.
>
> You get the same error when you save the raw message in a file and read
> it with G f (gnus-group-make-doc-group).

Yup, it's a general problem with nndoc.  I fixed it now for this use
case, but I'm wondering whether it'll mess things up for other data
sources.  I guess we'll find out...

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

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