On 7/27/06, Oldak Quill <oldakquill(a)gmail.com> wrote:
I would say that for a category to be considered to
"exist" it needs
to be related to other categories (and, via these, the rest of the
category tree). So to exist it needs to be categorised (contain the
text "[[Category:Foo]]"), and so be no longer red. Therefore,
redcategories typically indicate unlinked (and unuseful) categories.
Honestly, category relations aren't particularly useful in MediaWiki
at the moment. Since there's no category math, and there's no way of
seeing all items in all subcategories on one page, intercategory links
are no more useful -- for the time being -- than normal interpage
links.
There are also cases where categories do not need to belong to another
category to be "useful", like "1911 Encyclopaedia" or "Pages
needing
cleanup" or whatever. They can be made *even more useful* by
categorising, but that's not saying much...
Steve