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[XML-DEV Mailing List Archive Home] [By Thread] [By Date] [Recent Entries] [Reply To This Message] Re: Does DTD validation work with namespaces?
 On Wed, 9 Aug 2000 tpassin@h... wrote: > Even then it wouldn't really validate against the original DTD - even if the > DTD used the prefix 'xxx' - because there is no top-level element <book> as > called for in the DTD. [snip] > Maybe this is what should happen when a foreign xml structure is included, > if you are validating. The processor locates the DTD of the inclusion, but > builds its syntax starting, not at the start of the DTD, but at the included > elements(s). Thus, larger contexts would be thrown away, and only those > declarations in-scope for the elements of interest would be retained in the > final syntax. While we're doing this, we might as well have the DTD > processor implicitly add on the new prefix(s). I think you're forgetting that a document type *definition* does *not* specify a document's root element; it's a document type *declaration* that does. Of course, the declaration needs to specify an element defined in the definition, but that's pretty much it. So, for example, <p>This is a paragraph</p> *is* valid according to the XHTML DTD *if* you tell the processor to treat <p> as the root element. Nothing in the XHTML DTD demands that <html> be the root element; that knowledge comes from outside the DTD itself. 
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