GNU bug report logs - #19916
24.4; rmail-summary-next-msg declares argument incorrectly

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From: help-debbugs <at> gnu.org (GNU bug Tracking System)
To: Glenn Morris <rgm <at> gnu.org>
Cc: tracker <at> debbugs.gnu.org
Subject: bug#19916: closed (24.4; rmail-summary-next-msg declares argument
 incorrectly)
Date: Tue, 24 Feb 2015 07:45:02 +0000

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Your message dated Tue, 24 Feb 2015 02:44:26 -0500
with message-id <78385vpxd1.fsf <at> fencepost.gnu.org>
and subject line Re: bug#19916: 24.4; rmail-summary-next-msg declares argument incorrectly
has caused the debbugs.gnu.org bug report #19916,
regarding 24.4; rmail-summary-next-msg declares argument incorrectly
to be marked as done.

(If you believe you have received this mail in error, please contact
help-debbugs <at> gnu.org.)


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From: schule <at> fsavigny.de (Florian v. Savigny)
To: bug-gnu-emacs <at> gnu.org
Subject: 24.4;
 rmail-summary-next-msg declares argument incorrectly
Date: Sat, 21 Feb 2015 19:17:56 +0100

As I am fairly certain that this is a bug in the source code, I am not including any of the automatic information on my system which M-x report-emacs-bug produces.

Description of the bug:  rmail-summary-next-msg declares its attribute
	       	   	 NUMBER as &optional, but does not treat it
	       	   	 like that, at least when called
	       	   	 non-interactively.

Reproducible: always

How: Calling (rmail-summary-next-msg) non-interactively.

Undesired behaviour:

	  Throws the following exception:

	  	 and: Wrong type argument: number-or-marker-p, nil

	  This is an obscure error if you have called
	  (rmail-summary-next-message) in accordance with the
	  documentation.

Explanation:	This can easily be tracked to the following line in the source
		code for the function, where it expects NUMBER to be non-nil:

		(and (> number 0) (end-of-line)) ;; line 3 after the docstring

Line 827 in the source file in the following version of rmailsum.el:
;; Copyright (C) 1985, 1993-1996, 2000-2014 Free Software Foundation,


Workaround: Calling (rmail-summary-next-msg 1) instead of using no argument.




Best regards,

Florian v. Savigny

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From: Glenn Morris <rgm <at> gnu.org>
To: 19916-done <at> debbugs.gnu.org
Subject: Re: bug#19916: 24.4;
 rmail-summary-next-msg declares argument incorrectly
Date: Tue, 24 Feb 2015 02:44:26 -0500

Version: 25.1

Thanks; fixed.

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