On Nov 8, 2004, at 12:57 PM, Antone Roundy wrote:
-1 to any MUSTs for how categories are to be expressed ("slash-separated hierarchical"...).
-0.9 to any SHOULDs on how categories are to be expressed.
I think the this/that/the-other usage is well-enough established now to qualify as prior art. Anyhow, if you want to have your own not-hierarchical categorization scheme, you can, just keep it in your own namespace. You can even put it inside atom:category. -Tim
