From mboxrd@z Thu Jan 1 00:00:00 1970 From: Robert Goldman Subject: Re: Possible bug in ordered tasks Date: Fri, 25 Jun 2010 09:48:42 -0500 Message-ID: <4C24C1CA.2010407@sift.info> References: <4C1B93D4.1050000@sift.info> <4264D53A-92CE-43C1-A7CC-5526DDD90BC4@gmail.com> <4C24ADBD.3090204@sift.info> <5896B53A-BDA5-4D02-9DD5-7121A8DB0165@gmail.com> Reply-To: rpgoldman@sift.info Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Return-path: Received: from [140.186.70.92] (port=44789 helo=eggs.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1OSCxu-0002hO-M0 for emacs-orgmode@gnu.org; Fri, 25 Jun 2010 13:45:26 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.69) (envelope-from ) id 1OSACy-00013Y-2j for emacs-orgmode@gnu.org; Fri, 25 Jun 2010 10:48:45 -0400 Received: from mpls.sift.info ([75.146.46.193]:36473) by eggs.gnu.org with esmtp (Exim 4.69) (envelope-from ) id 1OSACx-00013T-Vi for emacs-orgmode@gnu.org; Fri, 25 Jun 2010 10:48:44 -0400 In-Reply-To: <5896B53A-BDA5-4D02-9DD5-7121A8DB0165@gmail.com> List-Id: "General discussions about Org-mode." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: emacs-orgmode-bounces+geo-emacs-orgmode=m.gmane.org@gnu.org Errors-To: emacs-orgmode-bounces+geo-emacs-orgmode=m.gmane.org@gnu.org To: Carsten Dominik Cc: Org Mode On 6/25/10 Jun 25 -9:12 AM, Carsten Dominik wrote: > > On Jun 25, 2010, at 3:23 PM, Robert Goldman wrote: > >> On 6/25/10 Jun 25 -2:03 AM, Carsten Dominik wrote: >>> Hi Robert, >>> >>> On Jun 18, 2010, at 5:42 PM, Robert Goldman wrote: >>> >>>> I have found what I believe to be a bug in handling ordered subtasks. >>>> Here is the behavior: >>>> >>>> I have a top level set of tasks that is ordered. >>>> >>>> One of the outline items below the top level set is a grab bag of tasks >>>> that will be performed in parallel. So this task is NOT ordered >>>> (ORDERED: nil). >>>> >>>> The problem is that the blocking behavior from ordered tasks seems >>>> to be >>>> inherited from the top level task list into the second level of the >>>> outline, even though the ORDERED property at the second level is >>>> explicitly overridden. >>>> >>>> I am attaching an org file that displays this issue. To see the >>>> problem, put your cursor on the "Bar" task and attempt to change its >>>> status to DONE. >>> >>> The problem here is that the value of the ORDERED property is the string >>> "nil", and that is of course not nil! >>> >>> I have introduced a special case to have "nil" interpreted as nil here, >>> because your use case makes a lot of sense. >> >> Oh, dear. That makes perfect sense, now that I think of it. >> >> Question: what is the proper way to get a NIL into a property? Are we >> to use () instead of "nil"? Or are property values always interpreted >> as strings? >> >> Apologies in advance if this is a stupid question! > > Not a stupid question at all. > > There is no way, currently. Property values are string - the only way > to make > org-entry-get return nil is to not have the property defined at all. OK, and there's no problem with this /except/ in cases where one wishes to override inheritance, right? I.e., you never need to specify nil at the top level; it's only when you need to cancel a value that you are inheriting.... best, r