From mboxrd@z Thu Jan 1 00:00:00 1970 From: Nicolas Goaziou Subject: Re: inheritance of mutually exclusive tags Date: Thu, 23 Feb 2017 14:26:28 +0100 Message-ID: <87d1e9domz.fsf@nicolasgoaziou.fr> References: Mime-Version: 1.0 Content-Type: text/plain Return-path: Received: from eggs.gnu.org ([2001:4830:134:3::10]:50239) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1cgtPj-0005JM-Gw for emacs-orgmode@gnu.org; Thu, 23 Feb 2017 08:26:32 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1cgtPi-0006k1-Pm for emacs-orgmode@gnu.org; Thu, 23 Feb 2017 08:26:31 -0500 Received: from relay4-d.mail.gandi.net ([2001:4b98:c:538::196]:53051) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1cgtPi-0006ik-JT for emacs-orgmode@gnu.org; Thu, 23 Feb 2017 08:26:30 -0500 In-Reply-To: (yanmcbe@gmail.com's message of "Wed, 28 Dec 2016 14:29:21 +0100") 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: yanmcbe Cc: org mode Hello, yanmcbe writes: > Org-mode allows marking a set of tags as mutually exclusive. It also allows > the inheritance of tags. > > (from now on I am talking only about these mutually exclusive tags) > > When a tag is set in a parent, but also in a child, what I expect to happen > is that the child is not included in searches/selections with the parent > tag. > > In the example [0], a search for black (e.g. C-/ m black ) should not > match poodle, because it is white. > > Now I realize that the mutually exclusive tag concept is probably only a > convenience for adding tags with C-c. And it doesn't seem to have any other > implications, but it would be nice to have. Do you think this is a > possibility or that I could get this behaviour some other way? I'm late to the party, but it sounds like a good idea. It would need to be properly documented however, as it could be surprising. Would you want to provide a patch for that? Regards, -- Nicolas Goaziou