From: Lars Ingebrigtsen <larsi@gnus.org>
To: "Kai Tetzlaff" <kai.tetzlaff@t-online.de>
Cc: 54154@debbugs.gnu.org
Subject: bug#54154: 29.0.50; [PATCH] `sieve-manage-getscript' fails if script contains multibyte characters
Date: Fri, 25 Feb 2022 14:10:56 +0100 [thread overview]
Message-ID: <875yp3w0pr.fsf@gnus.org> (raw)
In-Reply-To: <878rtzxhnc.fsf@gnus.org> (Lars Ingebrigtsen's message of "Fri, 25 Feb 2022 13:19:51 +0100")
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Lars Ingebrigtsen <larsi@gnus.org> writes:
> "Kai Tetzlaff" <kai.tetzlaff@t-online.de> writes:
>
>> (with-current-buffer (or buffer (current-buffer))
>> (sieve-manage-send (format "GETSCRIPT \"%s\"" name))
>> + (set-buffer-multibyte nil)
>> (let ((script (sieve-manage-parse-string)))
>> + (set-buffer-multibyte t)
>
> Changing multibyteness in a buffer like this is (virtually) never the
> right thing to do -- it usually leads to obscure breakages.
>
>> In general, it is also not clear to me why the response (or process)
>> buffer needs to be multibyte enabled at all as it should only be used
>> for the line/byte oriented protocol data. But the commit message of
>> 8e16fb987df9b which introduced the multibyte handling states:
>>
>> commit 8e16fb987df9b80b8328e9dbf80351a5f9d85bbb
>> Author: Albert Krewinkel <krewinkel@moltkeplatz.de>
>> Date: 2013-06-11 07:32:25 +0000
>> ...
>> * Enable Multibyte for SieveManage buffers: The parser won't properly
>> handle umlauts and line endings unless multibyte is turned on in the
>> process buffer.
>> ...
>>
>> so this was obviously done on purpose. I contacted Albert about this but
>> he couldn't remember the details (it's been nearly 10 years).
>
> I don't see why this buffer should be multibyte, either. The
> communication with the server is done using bytes, not characters. When
> we need to have characters, we should decode the data and put it in a
> multibyte buffer.
>
> So can you try to back out that commit and see whether it fixes the
> problem instead?
--
(domestic pets only, the antidote for overdose, milk.)
bloggy blog: http://lars.ingebrigtsen.no
next prev parent reply other threads:[~2022-02-25 13:10 UTC|newest]
Thread overview: 38+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-02-25 9:04 bug#54154: 29.0.50; [PATCH] `sieve-manage-getscript' fails if script contains multibyte characters Kai Tetzlaff
2022-02-25 12:19 ` Lars Ingebrigtsen
2022-02-25 13:10 ` Lars Ingebrigtsen [this message]
2022-02-25 16:00 ` Kai Tetzlaff
2022-02-26 15:07 ` Lars Ingebrigtsen
2022-02-28 12:27 ` Kai Tetzlaff
2022-09-06 11:34 ` Lars Ingebrigtsen
2022-02-28 12:35 ` Kai Tetzlaff
2022-02-28 13:06 ` Lars Ingebrigtsen
2022-02-28 13:08 ` Lars Ingebrigtsen
2022-02-28 13:03 ` Kai Tetzlaff
[not found] ` <87bkmwi0ut.fsf@tetzco.de>
[not found] ` <87fsc8i2c5.fsf@tetzco.de>
[not found] ` <87bkmw8b02.fsf@tetzco.de>
2023-01-18 18:28 ` bug#54154: Emacs commit ae963e80a79f5a9184daabfc8197f211a39b136d (sieve-manage) Herbert J. Skuhra
2023-01-18 19:17 ` Eli Zaretskii
2023-01-18 23:22 ` Herbert J. Skuhra
2023-01-19 4:06 ` Kai Tetzlaff
2023-01-19 7:45 ` Eli Zaretskii
2023-01-19 12:38 ` Kai Tetzlaff
2023-01-19 14:08 ` Eli Zaretskii
2023-01-19 15:59 ` Kai Tetzlaff
2023-01-19 17:41 ` Eli Zaretskii
2023-01-19 21:33 ` Kai Tetzlaff
2023-01-20 6:54 ` Kai Tetzlaff
2023-01-22 2:12 ` Kai Tetzlaff
2023-01-23 0:59 ` Kai Tetzlaff
2023-01-23 12:47 ` Herbert J. Skuhra
2023-01-23 13:01 ` Kai Tetzlaff
2023-01-23 13:36 ` Herbert J. Skuhra
2023-01-23 13:57 ` Kai Tetzlaff
2023-01-23 14:27 ` Andreas Schwab
2023-01-23 17:07 ` Kai Tetzlaff
2023-01-23 17:53 ` Andreas Schwab
2023-01-23 13:40 ` Eli Zaretskii
2023-01-23 16:22 ` Kai Tetzlaff
2023-01-23 16:49 ` Eli Zaretskii
2023-01-23 17:12 ` Kai Tetzlaff
2023-01-19 13:22 ` Kai Tetzlaff
2023-01-19 14:16 ` Kai Tetzlaff
2023-01-19 4:50 ` bug#54154: [update] " Kai Tetzlaff
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