GNU bug report logs - #11514
24.0.97; gnus-user-agent no longer sets up Gcc

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From: help-debbugs <at> gnu.org (GNU bug Tracking System)
To: Katsumi Yamaoka <yamaoka <at> jpl.org>
Cc: tracker <at> debbugs.gnu.org
Subject: bug#11514: closed (24.0.97; gnus-user-agent no longer sets up Gcc)
Date: Mon, 21 May 2012 23:31:02 +0000

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Your message dated Tue, 22 May 2012 08:29:09 +0900
with message-id <b4md35xru4a.fsf <at> jpl.org>
and subject line Re: bug#11514: 24.0.97; gnus-user-agent no longer sets up Gcc
has caused the debbugs.gnu.org bug report #11514,
regarding 24.0.97; gnus-user-agent no longer sets up Gcc
to be marked as done.

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From: Romain Francoise <romain <at> orebokech.com>
To: bug-gnu-emacs <at> gnu.org
Subject: 24.0.97; gnus-user-agent no longer sets up Gcc
Date: Fri, 18 May 2012 23:23:36 +0200

If you put the following in /tmp/foo.el:

(setq mail-user-agent 'gnus-user-agent
      gnus-message-archive-group "nnimap+foo:Sent")

then start Emacs with `emacs -Q -l /tmp/foo.el' then do `C-x m', the
resulting Message buffer doesn't have a Gcc header. In Emacs 23 and
24.0.92, the Gcc header was (correctly, I think) added to the buffer.

Note: whether or not Gnus is started beforehand doesn't make a difference.

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From: Katsumi Yamaoka <yamaoka <at> jpl.org>
To: 11514-done <at> debbugs.gnu.org
Cc: Lars Magne Ingebrigtsen <larsi <at> gnus.org>,
	Romain Francoise <romain <at> orebokech.com>, Sven Joachim <svenjoac <at> gmx.de>
Subject: Re: bug#11514: 24.0.97; gnus-user-agent no longer sets up Gcc
Date: Tue, 22 May 2012 08:29:09 +0900

Sven Joachim wrote:
> On 2012-05-18 23:23 +0200, Romain Francoise wrote:

>> If you put the following in /tmp/foo.el:
>>
>> (setq mail-user-agent 'gnus-user-agent
>>       gnus-message-archive-group "nnimap+foo:Sent")
>>
>> then start Emacs with `emacs -Q -l /tmp/foo.el' then do `C-x m', the
>> resulting Message buffer doesn't have a Gcc header. In Emacs 23 and
>> 24.0.92, the Gcc header was (correctly, I think) added to the buffer.
>>
>> Note: whether or not Gnus is started beforehand doesn't make a difference.

This is the issue of only a case where Gnus is running, since
Gcc is Gnus' feature and the `gnus-user-agent' agent behaves
like the `message-user-agent' agent now if Gnus is not alive:

2012-02-09  Lars Ingebrigtsen  <larsi <at> gnus.org>

	* gnus-msg.el (gnus-msg-mail): Use `message-mail' if Gnus isn't
	running.

(So, why one uses `C-x m' rather than `m'?  Ok, he mey be in a
non-Gnus window.)

> This seems to have been introduced by the following change in the
> emacs-24 branch:

> ,----
>| revno: 107813
>| author: Lars Magne Ingebrigtsen <larsi <at> gnus.org>
>| committer: Katsumi Yamaoka <yamaoka <at> jpl.org>
>| branch nick: emacs-24
>| timestamp: Wed 2012-04-11 22:31:16 +0000
>| message:
>|   gnus-art.el (article-wash-html): Fix non-ASCII characters when
>| washing HTML (bug#7410).
>|   gnus-msg.el (gnus-inews-insert-gcc): Protect against when we don't
>| have a group name.
>|   gnus-start.el (gnus-read-newsrc-el-file): Protect against broken
>| .newsrc.el files.
> `----

> The diff for gnus-msg.el is this:

> === modified file 'lisp/gnus/gnus-msg.el'
> --- lisp/gnus/gnus-msg.el	2012-03-14 22:15:04 +0000
> +++ lisp/gnus/gnus-msg.el	2012-04-11 22:31:16 +0000
> @@ -1670,11 +1670,13 @@ this is a reply."
>  			(not
>  			 (setq result
>  			       (cond
> -				((stringp (caar var))
> +				((and group
> +				      (stringp (caar var)))
>  				 ;; Regexp.
>  				 (when (string-match (caar var) group)
>  				   (cdar var)))
> -				((functionp (car var))
> +				((and group
> +				      (functionp (car var)))
>  				 ;; Function.
>  				 (funcall (car var) group))
>  				(t

> It corresponds to commit bf5aff3ff7c87 in the no-gnus branch in Gnus
> git.

Reverting this change does not help.  I believe the right fix is
to modify `gnus-msg-mail' so as to bind `gnus-newsgroup-name' to
a string like `gnus-group-mail' does.  Fixed in the emacs-24 branch.

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