Tim Bray wrote:
Hmmm, if you believe this is a good idea, the answer is obvious: the
namespace of the root element.
Insufficient. Suppose we have an XHTML-1.1 based document, and you
are trying to negotiate depending on some non-HTML content in it
(metadata, e.g.) The root element's namespace is not particularly
privileged, and may be the least important namespace in the document.
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Denn er genoss vom Honig-Tau, || http://www.ccil.org/~cowan
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