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It has a DTD because schemas are written using XML 1.0 syntax, so what? The input to a schema for validation and its output are not XML 1.0 documents but XML Infosets. I consider this far more relevant than whether the syntax for authoring schemas uses XML 1.0 syntax, a RELAX NG style compact syntax or EBNF.
-----Original Message-----
From: Sam Hunting [mailto:shunting@etopicality.com]
Sent: Fri 12/6/2002 6:50 AM
To: Dare Obasanjo
Cc: Bullard, Claude L (Len); XML Dev
Subject: RE: [xml-dev] Typing and paranoia
Yes, but Len asked "Why does it a DTD?" So why does it?
On Fri, 6 Dec 2002, Dare Obasanjo wrote:
> Oh, you were saying that XML Schema uses XML 1.0 syntax? That doesn't seem like a big deal given the hundreds of markup dialects built with XML. I meant that W3C XML Schema describes how to constrain an XML Infoset not a document written using the XML 1.0 syntax.
>
> -----Original Message-----
> From: Bullard, Claude L (Len) [mailto:clbullar@ingr.com]
> Sent: Fri 12/6/2002 6:37 AM
> To: Dare Obasanjo
> Cc: XML Dev
> Subject: RE: [xml-dev] Typing and paranoia
>
>
>
> Then why does it have a DTD?
>
> len
>
> -----Original Message-----
> From: Dare Obasanjo [mailto:dareo@microsoft.com]
>
> I'm not getting into this debate but just want to point out that W3C XML
> Schema is defined in terms of the Infoset not the XML 1.0 syntax.
>
>
Sam Hunting
eTopicality, Inc.
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