From mboxrd@z Thu Jan  1 00:00:00 1970
From: Eric S Fraga <ucecesf@ucl.ac.uk>
Subject: Re: how to unschedule a task in agenda view?
Date: Thu, 14 Jan 2010 12:43:40 +0000
Message-ID: <87r5ps26wz.wl%ucecesf@ucl.ac.uk>
References: <87zl4h0vx2.wl%ucecesf@ucl.ac.uk>
	<e7cdbe31001140437q27e7fb90vfd8e929b8c580ec0@mail.gmail.com>
Reply-To: Eric S Fraga <e.fraga@ucl.ac.uk>
Mime-Version: 1.0 (generated by SEMI 1.14.6 - "Maruoka")
Content-Type: text/plain; charset=US-ASCII
Return-path: <emacs-orgmode-bounces+geo-emacs-orgmode=m.gmane.org@gnu.org>
Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.43)
	id 1NVP3U-0005wC-SU
	for emacs-orgmode@gnu.org; Thu, 14 Jan 2010 07:44:04 -0500
Received: from exim by lists.gnu.org with spam-scanned (Exim 4.43)
	id 1NVP3Q-0005th-4s
	for emacs-orgmode@gnu.org; Thu, 14 Jan 2010 07:44:04 -0500
Received: from [199.232.76.173] (port=46508 helo=monty-python.gnu.org)
	by lists.gnu.org with esmtp (Exim 4.43) id 1NVP3P-0005tZ-Vn
	for emacs-orgmode@gnu.org; Thu, 14 Jan 2010 07:44:00 -0500
Received: from vscane-c.ucl.ac.uk ([144.82.108.43]:34754)
	by monty-python.gnu.org with esmtps
	(TLS-1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.60)
	(envelope-from <ucecesf@ucl.ac.uk>) id 1NVP3P-0005pt-DG
	for emacs-orgmode@gnu.org; Thu, 14 Jan 2010 07:43:59 -0500
In-Reply-To: <e7cdbe31001140437q27e7fb90vfd8e929b8c580ec0@mail.gmail.com>
List-Id: "General discussions about Org-mode." <emacs-orgmode.gnu.org>
List-Unsubscribe: <http://lists.gnu.org/mailman/listinfo/emacs-orgmode>,
	<mailto:emacs-orgmode-request@gnu.org?subject=unsubscribe>
List-Archive: <http://lists.gnu.org/pipermail/emacs-orgmode>
List-Post: <mailto:emacs-orgmode@gnu.org>
List-Help: <mailto:emacs-orgmode-request@gnu.org?subject=help>
List-Subscribe: <http://lists.gnu.org/mailman/listinfo/emacs-orgmode>,
	<mailto:emacs-orgmode-request@gnu.org?subject=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: Manish <mailtomanish.sharma@gmail.com>
Cc: org-mode mailing list <emacs-orgmode@gnu.org>

At Thu, 14 Jan 2010 18:07:34 +0530,
Manish wrote:
> 
> On Thu, Jan 14, 2010 at 4:56 PM, Eric S Fraga wrote:
> [...]
> > Ideally, it would be nice if one could attach actions (beyond logbook
> > recording) to todo state changes, actions like "unschedule this item
> > when switching to WAITING state" and I'm sure there are others...  but
> > having this capability is not critical of course.
> 
> There is a hook "org-after-todo-state-change-hook" that is called
> after the state of a TODO item is changed.  So may be org-schedule can
> be called to remove the SCHEDULED time on state change to WAITING?
> 
> http://orgmode.org/worg/org-configs/org-hooks.php#sec-1.13
> 
> Best,
> -- 
> Manish

I just *knew* that org-mode would already support what I wanted.  Why
I didn't think of looking at the hooks, I'm not sure.  Thanks for this
pointer.  I'm off to play with it!