Re: Elisp error with recent master-branch Emacs

Subject: Re: Elisp error with recent master-branch Emacs

Date: Sun, 05 Dec 2021 08:26:29 -0400

To: Joseph Mingrone, notmuch@notmuchmail.org

Cc:

From: David Bremner


David Bremner <david@tethera.net> writes:

> Joseph Mingrone <jrm@FreeBSD.org> writes:
>
>> Hello,
>>
>> When building the FreeBSD OS package for notmuch-emacs, we have begun to
>> see build errors recently that report
>>
>>         (error "Unknown button type `help-function'").
>>
>> http://pkg.ftfl.ca/data/12amd64-default/2021-12-04_12h41m25s/logs/errors/notmuch-emacs_devel-0.34.1_1.log
>>
>> This seems to be related to a recent change in the Emacs master branch
>> (Emacs 29).  We build new emacs-devel packages around the 1st and 15th
>> day of each month that pull the latest from the Emacs master branch.
>> This notmuch-emacs breakage started after the Dec. 1 package update for
>> emacs-devel.
>>
>> Regards,
>>
>
> I did manage to duplicate this problem on debian, so I guess it's not
> FreeBSD specific. Not sure how to fix it yet, it looks like there are
> many changes to docstring processing in emacs 29, that may be related.

It turned out to be an emacs bug, fixed (thanks to Lars I.) in commit 

   5404973916dc5d0b92604d31ad7dca2358bc5b9a

If you update to current master in emacs, notmuch should build again (at
least it does for me now).

d
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