Re: org-enforce-todo-dependencies setting

[Carsten Dominik <carsten.dominik@gmail.com>]

On 21.3.2012, at 03:00, Nick Dokos wrote:

> Bernt Hansen <bernt@norang.ca> wrote:
> 
>> Hi Carsten,
>> 
>> Are the last three lines of the description for
>> org-enforce-todo-dependencies correct? --------------------------------------------------+
>>                                                                                         |
>> ,----[ C-h v org-enforce-todo-dependencies RET ]                                         |
>> | org-enforce-todo-dependencies is a variable defined in `org.el'.                       |
>> | Its value is t                                                                         |
>> |                                                                                        |
>> | Documentation:                                                                         |
>> | Non-nil means undone TODO entries will block switching the parent to DONE.             |
>> | Also, if a parent has an :ORDERED: property, switching an entry to DONE will           |
>> | be blocked if any prior sibling is not yet done.                                       |
>> | Finally, if the parent is blocked because of ordered siblings of its own,              |
>> | the child will also be blocked.                                                        |
>> | This variable needs to be set before org.el is loaded, and you need to   <--+          |
>> | restart Emacs after a change to make the change effective.  The only way <--+-- HERE <-+
>> | to change is while Emacs is running is through the customize interface.  <--+
>> `----
>> 
>> I set this variable with a setq in my .emacs long after loading org-mode
>> (uncompiled) and have never run into any issues with it.
>> 
>> ,----[ my .emacs lines 16-18 ]
>> | (add-to-list 'load-path (expand-file-name "~/git/org-mode/lisp"))
>> | (add-to-list 'auto-mode-alist '("\\.\\(org\\|org_archive\\|txt\\)$" . org-mode))
>> | (require 'org-install)
>> `----
>> 
>> ,----[ my .emacs line 1568 ]
>> | (setq org-enforce-todo-dependencies t)
>> `----
>> 
>> From the description it doesn't sound like my setup is supposed to work.
>> 
> 
> Well, yes - but Carsten knew[fn:1] there'd be someone (we won't mention
> names :-) ) who would do that and took care to do the
> add-hook/remove-hook thingie while setting up the mode when you open an
> org file: see line 5016ff in org.el. So it sounds a bit more ominous
> than it actually is.
> 
> OTOH, if your .emacs opens an org file between lines 18 and 1568, all
> bets are off.
> 
> Nick
> 
> Footnotes:
> 
> [fn:1] ... or maybe somebody did it and complained about it already: I
> didn't search the ML.

I had forgotten all about this, but indeed, the hook makes sure
things are OK, so the sentence could be removed from the
docstring.

- Carsten