Markup, Namespaces, and Meaning · Jon Udell has been thinking so furiously about mixing namespaces and the meaning of markup that I imagine a visible swirl of superheated brain energy above his home office. I think that this whole area of thought is what over in the W3C TAG we refer to as a “rat-hole”. I.e., something you can vanish down never to re-appear, or at least a place where you can waste a lot of time scurrying along twisty little passages. Herewith some (I hope) demystification ...
