GNU bug report logs - #69381
mumi does not correctly display (some?) non-ascii characters

Previous Next

Full log

View this message in rfc822 format

From: Christopher Baines <mail <at> cbaines.net>
To: Noé Lopez <noe <at> xn--no-cja.eu>
Cc: 69381 <at> debbugs.gnu.org, Maxim Cournoyer <maxim.cournoyer <at> gmail.com>
Subject: bug#69381: mumi does not correctly display (some?) non-ascii characters
Date: Sat, 08 Feb 2025 09:40:40 +0000

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

Noé Lopez <noe <at> noé.eu> writes:

> Maxim Cournoyer <maxim.cournoyer <at> gmail.com> writes:
>
>> Hi Noé,
>>
>> Noé Lopez <noe <at> noé.eu> writes:
>>
>>> Small update,
>>>
>>> I’ve investigated the issue in fibers and I now blame the guile web
>>> library for the issue.  Apparently it sets the port to ISO-8859-1
>>> encoding each time you call read-request, but it acts like « yeah don’t
>>> worry just use utf-8 for your body » in the docs.
>>>
>>> That’s fine UNLESS you use chunked transfers (omitting content-length in
>>> fibers), in which case it just decides to blow up :///// (it assumes one
>>> character = one byte)
>>>
>>> In the end I’m pretty sure any of this could have been avoided by just
>>> not replacing every character with question marks.  Had it kept the
>>> invalid bytes intact they would have translated back with no issue.
>>
>> Nice investigation!  Did you create an issue at bug-guile <at> gnu.org?  
>> don't see it on the tracker.  Or perhaps this could be tackled from the
>> angle of fibers?  For example by adding a new failing test reproducing
>> the problem to its test suite, and going from there.
>>
>
> I talked about this with Christopher Baines at FOSDEM and he seemed to
> know much more about it than me, so maybe he can suggest a way forward?
>
> Starting with a failing test seems like a good idea.

I've raised a Pull Request which I think should help in fibers:

  https://github.com/wingo/fibers/pull/116

I think this issue should be possible to work around in Mumi as well,
the encoding on the port needs to be set, and I think Guile 3.0.10 needs
to be used.

[signature.asc (application/pgp-signature, inline)]

Previous Next

GNU bug tracking system
Copyright (C) 1999 Darren O. Benham, 1997,2003 nCipher Corporation Ltd, 1994-97 Ian Jackson.