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Re: Documents with both XSD and DTD

From: Henry S. Thompson <ht@inf.ed.ac.uk>
Date: Thu, 07 Oct 2004 09:16:54 +0100
To: Christopher Milton <cmiltonperl@yahoo.com>
Cc: xmlschema-dev@w3.org
Message-ID: <f5boejfymbt.fsf@erasmus.inf.ed.ac.uk>

Christopher Milton <cmiltonperl@yahoo.com> writes:

> Can a document safely reference both a DTD (via <!DOCTYPE ... >)
> and an XML Schema Document?


> And does a DTD require/allow an XML prolog?

Not sure what you mean by prolog.  An XML declaration, e.g.

<?xml version='1.0' encoding='utf-8'?>

is optional for XML 1.0, required for XML 1.1.

> I keep getting well-formedness errors if the prolog is present. I
> thought that a DTD was SGML, but not XML, so no prolog was needed,
> but was told that since an external DTD was a parsed entity, then it
> must have a prolog.

Not so.

> I'm confused. And I may have the wrong venue.

For XML questions, yes, you'd be better on xml-dev.  Include the
beginning of your document, so people can see what the real problem

 Henry S. Thompson, HCRC Language Technology Group, University of Edinburgh
                     Half-time member of W3C Team
    2 Buccleuch Place, Edinburgh EH8 9LW, SCOTLAND -- (44) 131 650-4440
            Fax: (44) 131 650-4587, e-mail: ht@inf.ed.ac.uk
                   URL: http://www.ltg.ed.ac.uk/~ht/
[mail really from me _always_ has this .sig -- mail without it is forged spam]
Received on Thursday, 7 October 2004 08:16:57 UTC

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