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bug#70054: 30.0.50; Unknown ids in References: break threading
From: |
Eli Zaretskii |
Subject: |
bug#70054: 30.0.50; Unknown ids in References: break threading |
Date: |
Thu, 09 May 2024 12:37:41 +0300 |
> Cc: Eric Abrahamsen <eric@ericabrahamsen.net>, Jose A Ortega Ruiz
> <jao@gnu.org>
> From: Andrew Cohen <acohen@ust.hk>
> Date: Thu, 09 May 2024 15:55:11 +0800
>
> >>>>> "EZ" == Eli Zaretskii <eliz@gnu.org> writes:
>
> [...]
>
> EZ> Ping! Can we make some further progress with this bug report?
>
> I worked with Jose to track everything down. This isn't a gnus bug and
> the bug report can be closed.
Thanks, done with this message.
> Slightly more detail: the protonmail bridge adds non-existent ids to the
> references header of messages (presumably used in some internal way by
> the protonmail bridge). 'gnus is resilient in handling these: if
> collecting threads by subject (the default) everything "just works". And
> in case you (optionally) want to only use the references header for
> threading, gnus has a way to alter the headers for exactly this
> occasion: 'gnus-alter-header-function. So the following:
>
> (setq gnus-alter-header-function 'fix-protonmail-references)
>
> (defun fix-protonmail-references (header)
> (setf (mail-header-references header)
> (mapconcat
> #'(lambda (x) (if (string-search "protonmail.internalid" x) "" x))
> (gnus-split-references (mail-header-references header)) " "))
> header)
>
> will work.
>
> I think this deserves to be in the gnus manual. I have a commit in my local
> tree to do this, which I will push to master.
Thanks again.