From mboxrd@z Thu Jan 1 00:00:00 1970 X-Msuck: nntp://news.gmane.io/gmane.emacs.gnus.general/68343 Path: news.gmane.org!not-for-mail From: Russ Allbery Newsgroups: gmane.emacs.gnus.general Subject: Re: nnrss lacks basic crosspost detection; should use guid Date: Sun, 01 Mar 2009 14:14:47 -0800 Organization: The Eyrie Message-ID: <87eixghovc.fsf@windlord.stanford.edu> References: <87r61jwqit.fsf@jidanni.org> <87k5789ase.fsf@blah.blah> NNTP-Posting-Host: lo.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-Trace: ger.gmane.org 1235945802 8548 80.91.229.12 (1 Mar 2009 22:16:42 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Sun, 1 Mar 2009 22:16:42 +0000 (UTC) To: ding@gnus.org Original-X-From: ding-owner+M16782@lists.math.uh.edu Sun Mar 01 23:17:49 2009 Return-path: Envelope-to: ding-account@gmane.org Original-Received: from util0.math.uh.edu ([129.7.128.18]) by lo.gmane.org with esmtp (Exim 4.50) id 1Ldtxz-0001vd-Ue for ding-account@gmane.org; Sun, 01 Mar 2009 23:17:00 +0100 Original-Received: from localhost ([127.0.0.1] helo=lists.math.uh.edu) by util0.math.uh.edu with smtp (Exim 4.63) (envelope-from ) id 1LdtwS-00022G-0X; Sun, 01 Mar 2009 16:15:24 -0600 Original-Received: from mx2.math.uh.edu ([129.7.128.33]) by util0.math.uh.edu with esmtps (TLSv1:AES256-SHA:256) (Exim 4.63) (envelope-from ) id 1LdtwQ-000221-Tx for ding@lists.math.uh.edu; Sun, 01 Mar 2009 16:15:22 -0600 Original-Received: from quimby.gnus.org ([80.91.231.51]) by mx2.math.uh.edu with esmtp (Exim 4.69) (envelope-from ) id 1LdtwO-0000uQ-9M for ding@lists.math.uh.edu; Sun, 01 Mar 2009 16:15:22 -0600 Original-Received: from smtp3.stanford.edu ([171.67.219.83]) by quimby.gnus.org with esmtp (Exim 3.36 #1 (Debian)) id 1Ldtwj-00041w-00 for ; Sun, 01 Mar 2009 23:15:41 +0100 Original-Received: from smtp3.stanford.edu (localhost.localdomain [127.0.0.1]) by localhost (Postfix) with SMTP id 6409B200542 for ; Sun, 1 Mar 2009 14:14:48 -0800 (PST) Original-Received: from windlord.stanford.edu (windlord.Stanford.EDU [171.67.225.134]) by smtp3.stanford.edu (Postfix) with ESMTP id 481D1200540 for ; Sun, 1 Mar 2009 14:14:47 -0800 (PST) Original-Received: by windlord.stanford.edu (Postfix, from userid 1000) id BC7E858720; Sun, 1 Mar 2009 14:14:47 -0800 (PST) In-Reply-To: <87k5789ase.fsf@blah.blah> (Kevin Ryde's message of "Mon\, 02 Mar 2009 08\:46\:09 +1100") User-Agent: Gnus/5.11 (Gnus v5.11) Emacs/22.2 (gnu/linux) X-Spam-Score: -5.5 (-----) List-ID: Precedence: bulk Xref: news.gmane.org gmane.emacs.gnus.general:68343 Archived-At: Kevin Ryde writes: > It made me suspect non-permalink guid is only for the given feed url, > apparently not univeral nor even throughout the given server. (I jigged > up Message-ID from my rss2leafnode program accordingly, but couldn't > find the right bit of the specs to confirm or deny.) I'm fairly certain that's correct. One of the feeds I generate uses a timestamp for the guid -- it's unique for that particular feed, but it's definitely not going to be globally unique. -- Russ Allbery (rra@stanford.edu)