From mboxrd@z Thu Jan 1 00:00:00 1970 From: Nicolas Goaziou Subject: Re: CUSTOM_ID vs ID Date: Mon, 29 Jul 2019 08:38:07 +0200 Message-ID: <87r269tkfk.fsf@nicolasgoaziou.fr> References: <87k1c2mvfq.fsf@nicolasgoaziou.fr> Mime-Version: 1.0 Content-Type: text/plain Return-path: Received: from eggs.gnu.org ([2001:470:142:3::10]:55960) by lists.gnu.org with esmtp (Exim 4.86_2) (envelope-from ) id 1hrzIS-0007Eb-6i for emacs-orgmode@gnu.org; Mon, 29 Jul 2019 02:38:13 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1hrzIR-0004Si-A6 for emacs-orgmode@gnu.org; Mon, 29 Jul 2019 02:38:12 -0400 Received: from relay9-d.mail.gandi.net ([217.70.183.199]:39441) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1hrzIR-0004Pg-3k for emacs-orgmode@gnu.org; Mon, 29 Jul 2019 02:38:11 -0400 In-Reply-To: (David Masterson's message of "Mon, 29 Jul 2019 04:23:18 +0000") List-Id: "General discussions about Org-mode." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: emacs-orgmode-bounces+geo-emacs-orgmode=m.gmane.org@gnu.org Sender: "Emacs-orgmode" To: David Masterson Cc: emacs-orgmode Hello, David Masterson writes: > Can you talk a little bit about how IDs are generated so that they are > absolutely unique? See `org-id-new'. By default, it uses "uuidgen" command. > IDs sound like something that would be useful for synchronizing > information between two (or more) separate Org systems - the ID could be > updated whenever a change occurs and then used to determine what needs > synchronization. True? I think this is different. ID property is meant to never change once created. If you update it, you lose the reference to the headline, which defeats the intended purpose. Regards, -- Nicolas Goaziou