GNU bug report logs - #39580
26.2; missing newline in fcc when output file is in an rmail buffer

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Message #8 received at 39580 <at> debbugs.gnu.org (full text, mbox):

From: Lars Ingebrigtsen <larsi <at> gnus.org>
To: Ken Olum <kdo <at> cosmos.phy.tufts.edu>
Cc: 39580 <at> debbugs.gnu.org
Subject: Re: bug#39580: 26.2; missing newline in fcc when output file is in
 an rmail buffer
Date: Tue, 27 Oct 2020 19:14:27 +0100

Ken Olum <kdo <at> cosmos.phy.tufts.edu> writes:

> The function gnus-output-to-rmail fails to ensure a blank line at the
> end of the message being output in the case where the output file is an
> mbox file viewed in an rmail buffer.  The needed code is in this
> function, but triggers only when the output file is not in a buffer.
> This causes messages in the output file to be merged together.
>
> To reproduce:
>
> emacs -Q
> C-x m to compose message
> edit outgoing message to add a line "Fcc: test-save" (for example) and
> some body that does not have a blank line at the end.
> C-c C-c to send message
> Visit "test-save"
> M-x rmail-mode
> Select buffer "*sent mail to ...*"
> C-c C-c to send message again
>
> File "test-save" is now corrupt because it lacks a blank line at the
> end.

I'm able to reproduce this bug, but I'm not sure how
gnus-output-to-rmail is involved here?  As far as I can see, it's never
called by Message, and instead `message-output' is called to create the
file.

-- 
(domestic pets only, the antidote for overdose, milk.)
   bloggy blog: http://lars.ingebrigtsen.no

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