GNU bug report logs - #45016
26.3; when in ediff-current-file, 'D' (view diff) shows empty diff

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Package: emacs;

Reported by: Guilhem Bichot <guilhem.bichot <at> wanadoo.fr>

Date: Wed, 2 Dec 2020 21:05:01 UTC

Severity: normal

Found in version 26.3

Fixed in version 29.1

Done: Lars Ingebrigtsen <larsi <at> gnus.org>

Bug is archived. No further changes may be made.

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Message #14 received at 45016 <at> debbugs.gnu.org (full text, mbox):

From: Lars Ingebrigtsen <larsi <at> gnus.org>
To: Guilhem Bichot <guilhem.bichot <at> wanadoo.fr>
Cc: 45016 <at> debbugs.gnu.org
Subject: Re: bug#45016: 26.3; when in ediff-current-file, 'D' (view diff)
 shows empty diff
Date: Mon, 09 May 2022 14:07:34 +0200

Lars Ingebrigtsen <larsi <at> gnus.org> writes:

> There's helpfully no doc string here (or comments) about what `arg' is
> meant to express, but if we have `arg', we work on `ediff-diff-buffer'
> (and this works), and if we don't have `arg', then
> `ediff-custom-diff-buffer' is used (and this doesn't work).
>
> I'm pretty unfamiliar with ediff -- does anybody know what the intention
> here is for the prefix arg?

I looked around in the rest of ediff, and that clarified the purpose,
and I've now made it show the `C-u D' output when the customised output
didn't return anything in Emacs 29.

-- 
(domestic pets only, the antidote for overdose, milk.)
   bloggy blog: http://lars.ingebrigtsen.no
This bug report was last modified 3 years and 72 days ago.

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