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Re: [xml-dev] XML spec and XSD

Hi Liam,

On Sun, Nov 15, 2009 at 5:47 PM, Liam Quin <liam@w3.org> wrote:
> Just to be clear, XML was designed so that every DTD-valid document
> was also a valid SGML document; we had some 10 years experience
> with SGML deployment, and that's where DTDs came from.

Thanks for sharing the historical perspective. Was this an important
architectural decision, while writing the original XML spec (i.e,
every DTD-valid document must also be a valid SGML document) - or to
say, was this a requirement/prerequisite for the original XML spec? If
yes, is it important to preserve it now as well (i.e, the SGML and XML
DTD connection)? Are there enough market drivers for this now?

Perhaps, an XML 2.0 activity can rearchitect the XML specs, along the
lines you outlined earlier.

Mukul Gandhi

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