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RE: what's wrong with using XML Schema/HTML/RDF to document namespaces?

From: Dan Connolly <connolly@w3.org>
Date: 09 Dec 2002 15:59:28 -0600
To: David Orchard <dorchard@bea.com>
Cc: www-tag@w3.org
Message-Id: <1039471168.5320.12416.camel@dirk>

On Mon, 2002-12-09 at 15:41, David Orchard wrote:
> 
> Dan,
> 
> I have a very big concern that most namespace names will become used as URIs
> to XML Schema documents.  That trend is already occuring.  And XML Schema
> documents are, how shall I say it, not very human understandable.  The XMLP
> group has provided wonderful rationale for why required machine
> understandable references (DTDs) in a document are a bad thing.

They did?

I presume you mean

  # XMLP WG Response on "SOAP and the Internal Subset"
  David Fallside (Mon, Dec 09 2002)
  http://lists.w3.org/Archives/Public/www-tag/2002Dec/0119.html

I don't think I understand what you mean by
"machine understandable references (DTDs) in a document" let
alone do I see any argument against such in that message.

Could you elaborate a bit w.r.t. the examples I gave below?
What exactly is the problem in these cases?


>  Widespread
> adoption of XML Schemas for namespace name documents will cause the same
> problem(s).  XML Schema documents or DTDs, the logic is the same.
> 
> Cheers,
> Dave
> 
> > -----Original Message-----
> > From: www-tag-request@w3.org
> > [mailto:www-tag-request@w3.org]On Behalf Of
> > Dan Connolly
> > Sent: Monday, December 09, 2002 12:59 PM
> > To: www-tag@w3.org
> > Subject: what's wrong with using XML Schema/HTML/RDF to document
> > namespaces?
> >
> >
> >
> > I invite folks to use this namespace
> > name in their documents:
> >
> >   http://www.w3.org/XML/2000/04schema-hacking/my
> >
> > If you GET that thing, you'll find
> > an XML Schema document which allows
> > a machine to distinguish a syntactic
> > subset of XML documents that are
> > consistent with my expectations.
> >
> > Why is that not OK?
> >
> > i.e. DaveO, please elaborate...
> >
> > "20:49:07 [DaveO]
> > I will object to XML Schema being OK."
> >  -- http://www.w3.org/2002/12/09-tagmem-irc
> >
> > Likewise
> >   http://www.w3.org/1999/02/22-rdf-syntax-ns
> >
> > if you dereference that, you get an RDF Schema.
> > What's wrong with that?
> >
> > Likewise, if you dereference
> >   http://www.w3.org/1999/xhtml
> > you get an HTML document.
> >
> > What's wrong with that?
> >
> > --
> > Dan Connolly, W3C http://www.w3.org/People/Connolly/
-- 
Dan Connolly, W3C http://www.w3.org/People/Connolly/
Received on Monday, 9 December 2002 16:59:18 GMT

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