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[XML-DEV Mailing List Archive Home] [By Thread] [By Date] [Recent Entries] [Reply To This Message] Re: heritage (was Re: SGML on the Web)
 Jeni, Jeni Tennison wrote: >Patrick, > >>>I'm just trying to persuade Patrick not to use a syntax that's >>>similar-enough-to-XML-to-be-confusing as the input to his processes >>>in the examples that he uses. >>> >>In my defense, I am trying to persuade Jeni to not see a data model >>as a limitation on a particular serialization syntax. >> > >I don't think that I do. I'm quite happy for XML to be interpreted as >the Infoset, as the PSVI, as the XPath data model, as the DOM data >model, as the LMNL data model, indeed as any data model anyone wants >to use with it! XML is a syntax, that's all. > Sorry, that is simply not correct. Underlying XML is a data model. That data model is set forth at: http://www.w3.org/XML/Datamodel.html It is not happenstance that all of the "data models" that you cite, PSVI, XPath, DOM, are based on the presumption of a tree. The tree model underlies all those "data models" and its presence was not a matter of chance (or choice). (LMNL does not use that model but then it is not a XML data model. It is a data model that can model documents based on the XML data model.) > >>As I said, yesterday and I suppose it bears repeating, JITTs can use >>standard, valid, well-formed XML documents and syntax for many >>things. It can also use XML syntax that violates the XML data model >>but I fail to see why that is confusing? >> > >I'm not sure what you mean by "XML syntax that violates the XML data >model". There is no *the* XML data model -- XML is just a syntax. But >there are very clear rules about that syntax -- the well-formedness >rules. My point is that if a document breaks those well-formedness >rules then it isn't in XML syntax. It's confusing to label documents >that aren't well-formed XML as "using XML syntax". > I think we need to reach some agreement on the question of the "data model" of XML. I think the URL I cite above makes my answer to that question fairly clear. Do you have another interpretation of what is stated there? Patrick -- Patrick Durusau Director of Research and Development Society of Biblical Literature pdurusau@e... 
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