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>> (The point has also been made that it's easier to create a unique URL than a >> unique URN, but I'm not convinced that that's true.) > Well, the UUID scheme would seem to contradict that. Yes, but a namespace name is essentially the name of a vocabulary, and something that you might expect users of that vocabulary to have to write. On a good day I can remember the MathML and XSLT namespaces off the top of my head, I doubt whether I'd ever remember a uuid based name. Names based on the domain name system (http:// or mailto: etc) do have the good properties of being relatively easy to generate (relatively) uniquely and be memorable. They have the bad property of tempting the designers of XML Schema to suggest that a schema validator might try to use the URI for something which famously "is not a goal" of XML Namespaces, but that's the price you pay, apparently. David _____________________________________________________________________ This message has been checked for all known viruses by Star Internet delivered through the MessageLabs Virus Scanning Service. For further information visit http://www.star.net.uk/stats.asp or alternatively call Star Internet for details on the Virus Scanning Service.
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