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On Fri, 22 Jun 2001, Murali Mani wrote: > Yes, doc should be initialized by an XML document, this is a wierd part of > XML, DOCTYPE declaration comes with the XML Document, and you cannot > specify DOCTYPE as part of the DTD. I'm not clear why you'd want to specify it in both places. > Other things -- > I have always *very* strongly felt that the possible root elements of a > document should be specified in the DTD/schema -- this is exactly what we > do in regular tree grammars. Conventionally the default root element type would be the one element type whose name did *not* appear in any content model, and could therefore be assumed to be the root element type, which is why many DTD compilers pop up a box after the compile to say "this looks like the root element type", please confirm. But any element type can be the root of a document. There is nothing wrong with an XHTML fragment which starts <!DOCTYPE p SYSTEM "xhtml-whatever.dtd"> <p>...</p> Or do you want to prohibit this kind of thing and only allow a subset of element types to be usable as roots? ///Peter
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