From mboxrd@z Thu Jan  1 00:00:00 1970
From: John Rakestraw <lists@johnrakestraw.com>
Subject: Re: Can't make TODO dependencies work
Date: Sun, 1 Feb 2009 13:23:10 -0500
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To: Carsten Dominik <dominik@science.uva.nl>
Cc: emacs-orgmode@gnu.org

On Sun, 1 Feb 2009 19:03:46 +0100
Carsten Dominik <dominik@science.uva.nl> wrote:

> > This is misleading. I realized that dependencies *do* work  
> > consistently
> > in the minimal configuration. With the header line in the test
> > file, I can change the main task from TODO to STARTED (or to any of
> > the other non-done states), but I'm blocked from changing it to
> > DONE.  
> 
> This is how it should be.

I agree -- that's why I apologized for introducing that point.
> 
> > But they still don't work with my usual configuration.  
> 
> Well, if the value of org-blocker-hook is nil in this case, I
> am not surprised!   Why is it nil?  If you set the
> org-enforce... variables, the hook should be filled
> with the two functions.

I don't know why it's nil. However, I've discovered a bit more. It
seems that the problem is that my settings in my org-config file:

(setq org-enforce-todo-dependencies t)
(setq org-agenda-dim-blocked-tasks 'invisible)
(setq org-enforce-todo-checkbox-dependencies t)

didn't prompt the required change in the value of org-blocker-hook.
With these lines in my org config file, the values of the three
variables are as expected, but the value of org-blocker-hook remains
nil, even if I stop and re-start emacs.

When I change the value of org-enforce-todo-dependencies using
customize, then the value of org-blocker-hook is what it should be, and
the dependencies work, even if I stop and re-start emacs.

So presumably something else in my config file is keeping
org-blocker-hook from being re-set?

I'd prefer not to use the customize function, so I'd hoped to set it in
my config file.

Thanks, and apologies for not sorting through this a bit more before
the initial post.

--John