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From: Karl Voit <devnull@Karl-Voit.at>
To: emacs-orgmode@gnu.org
Subject: Re: Suggested Syntax for cancelled checkboxes: [-] as non-blocking dependency
Date: Tue, 13 Sep 2022 10:07:53 +0200	[thread overview]
Message-ID: <2022-09-13T10-02-59@devnull.Karl-Voit.at> (raw)
In-Reply-To: 87sfkwt3j4.fsf@localhost

Hi Ihor,

* Ihor Radchenko <yantar92@gmail.com> wrote:
> Karl Voit <devnull@Karl-Voit.at> writes:
>
>> I was using list checkboxes like that:
>> - [ ] open task
>> - [X] closed task
>> - [-] cancelled task
>
> From the manual (5.6 Checkboxes):
>
> ‘C-c C-x C-b’ (‘org-toggle-checkbox’)
>      Toggle checkbox status or—with prefix argument—checkbox presence at
>      point.  With double prefix argument, set it to ‘[-]’, which is
>      considered to be an intermediate state.
>
> [-] is not considered done by our conventions
>
>    Here is an example of a checkbox list.
>
>      * TODO Organize party [2/4]
>        - [-] call people [1/3]
>          - [ ] Peter
>          - [X] Sarah
>          - [ ] Sam
>        - [X] order food
>        - [ ] think about what music to play
>        - [X] talk to the neighbors

Yes, that makes sense. [-] is not a candidate for a cancelled
checkbox for that reason. :-(

>> (setq org-enforce-todo-checkbox-dependencies t)
>> ... any [-] checkbox will be regarded as non-finished contrary to
>> the behavior of TODO/DONE/CANCELLED heading states.
>>
>> As a workaround, I may use:
>> - +[ ]+ cancelled task
>
> As you can see, we already have conflicting convention, and we cannot
> change it without breaking backwards compatibility.
>
> `org-block-todo-from-checkboxes', currently uses
>
> (org-list-search-forward
> 		 (concat (org-item-beginning-re)
> 			 "\\(?:\\[@\\(?:start:\\)?\\([0-9]+\\|[A-Za-z]\\)\\][ \t]*\\)?"
> 			 "\\[[- ]\\]")
> 		 end t)
>
> as a condition that some list items are marked incomplete.
>
> So, you can use something like
>  - [C] cancelled task
>
> But beware that this is an internal implementation detail that might be
> changed in future unless we decide to document the existing behaviour.

In that case, I prefer not to depend on that internal detail and
start using +[ ]+ as a workaround which causes the parser to not
detect a checkbox at all, as far as I understood.

Thanks for clarification.

If we wanted to introduce a cancelled checkbox state, it seems to be
the case that this would require a new approach like [/] or similar.

Is it only me who is thinking that a non-blocking cancelled checkbox
state would be a good idea?

-- 
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  reply	other threads:[~2022-09-13  8:18 UTC|newest]

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-09-12 12:40 Suggested Syntax for cancelled checkboxes: [-] as non-blocking dependency Karl Voit
2022-09-13  2:24 ` Ihor Radchenko
2022-09-13  8:07   ` Karl Voit [this message]
2022-09-13 10:44     ` Marcin Borkowski
2022-09-13 11:07     ` Christophe Schockaert
2022-09-13 15:52       ` Karl Voit
2022-09-14 12:43         ` Ihor Radchenko
2022-09-15 11:48           ` Christophe Schockaert
2022-09-16  4:59             ` Ihor Radchenko
2022-09-19 11:10             ` Karl Voit
2022-09-14 18:18     ` Daniel Fleischer
2022-09-22 15:03       ` Bastien
2022-09-22 17:19         ` Milan Zamazal
2022-09-22 23:19         ` Tim Cross
2022-09-23  2:46           ` Ihor Radchenko
2022-09-25  2:59             ` Bastien
2022-09-24  8:09           ` Milan Zamazal

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