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On Tue, 2002-03-05 at 13:26, Mike Champion wrote: > This is in the spirit of "if we were doing this all over again ..." (or > "if we were furry little creatures eating dinosaur eggs and planning for > the post-asteroid world ...), not a troll: > Why does XML carry around a label for every data value rather than > getting it from an out-of-band "schema" (a la EDI or > ASN.1), but then use an out-of-band means to associate type information, > thus necessitating the PSVI? I'd say that such in-band labelling is really what defines markup per se. Not everyone likes it, of course: "Embedded Markup Considered Harmful" Theodor Holm Nelson, 10/1997 http://www.xml.com/pub/a/w3j/s3.nelson.html It's more a document-centric perspective than the ASN.1 example you suggest, but it's interesting stuff. -- Simon St.Laurent Ring around the content, a pocket full of brackets Errors, errors, all fall down! http://simonstl.com
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