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   Re: [xml-dev] heritage (was Re: [xml-dev] SGML on the Web)

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Hi Patrick,

>>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

Ahh, I see. This must be the nub of our disagreement.

The document that you quote is not a normative definition of XML.
There are many normative definitions of data models for XML, including
the Infoset and XPath.

It's a classic "chicken and egg" thing -- data models and syntaxes are
intertwined -- but in this case, XML is defined as a syntax, which can
have many data models; LMNL is defined as a data model, which can have
many syntaxes.

I don't know how to persuade you of this, but I see that Tim Bray's
written a message that will hopefully help...



Jeni Tennison


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