Re: [O] Mutually-exclusive Org tags still inherit each other

[Nicolas Goaziou]

Hello,

Tina Russell <address@hidden> writes:

> So, according to the Org documentation: “You can also group together tags
> that are mutually exclusive by using braces … Selecting a tag in a group of
> mutually exclusive tags will turn off any other tags from that group.
>
> But, if I do this…
>
> #+TAGS: { place(c) container(c) object(o) }
>
> * Room :place:
> ** Box :container:
> *** Toy :object:
>
> …and then use (org-get-tags) on “Toy,” it reports that it has the tags
> “place”, “container”, and “object”, even though these tags are all defined
> to be mutually exclusive! This is a problem,

Not really. `org-get-tags' is a low-level function, i.e., it has no
knowledge about tag groups or mutually exclusive tags.

> since turning off tag
> inheritance (for a document or for specific tags) seems to be an
> all-or-nothing affair. That means if I wanted to do this:
>
> * Room :place:
> ** Bookcase
> ** Dresser
> ** Desk
> ** Nightstand
> ** Closet
> *** Box :container:
> **** Toy :object:
>
> …and then search for all headings with the tag “place,” either (with tag
> inheritance) everything, including “Box” and “Toy,” will be returned, or
> (without tag inheritance) only “Room” would be returned. (I could put a tag
> on every heading where I want it inherited, but that would both defeat the
> purpose of inheritance and make it difficult to manage large trees.)

You don't need to use mutually exclusive tags for this example. You
could search for "place-container", assuming tag inheritance.

Regards,

-- 
Nicolas Goaziou