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Well, the recent WSDL 1.2 draft you mention actually specifically mentions RELAX NG:
http://www.w3.org/TR/2003/WD-wsdl12-20030611/#other-schemalang
"A RELAX NG schema may be used as the schema language for WSDL."
It also mentions DTDs. Where is the problem?
Cheers
Rick Jelliffe
----- Original Message -----
From: <AndrewWatt2000@aol.com>
To: <ricko@allette.com.au>
Cc: <xml-dev@lists.xml.org>
Sent: Friday, July 11, 2003 6:17 PM
Subject: Re: [xml-dev] Relax NG and Web Services (formerly Joining the church)
> In a message dated 11/07/2003 09:04:41 GMT Daylight Time,
> ricko@allette.com.au writes:
>
> > On the first point: WSDL part 1 allows use of other schema languages.
> >
> > " WSDL recognizes the need for rich type systems for describing message
> > formats,
> > and supports the XML Schemas specification (XSD) as its canonical type
> > system.
> > However, since it is unreasonable to expect a single type system grammar to
> > be used
> > to describe all message formats present and future, WSDL allows using other
> > type
> > definition languages via extensibility."
> > http://www.w3.org/TR/2001/NOTE-wsdl-20010315
>
> Rick,
>
> As is typically the case a W3C Note does not imply endorsement by W3C.
>
> Do you have a more up to date or normative document to quote on this point?
>
> There is a delightfully Kafka-esque piece of prose in Chapter 3 of <A HREF="http://www.w3.org/TR/2003/WD-wsdl12-20030611/#eii-types";>
> http://www.w3.org/TR/2003/WD-wsdl12-20030611/#eii-types</A> which indicates that any schema
> language is supported if it is defined but then goes on to say that only XSD
> is defined. So, practically speaking, only XSD is supported. Or is my reading
> of the Kafka-esque prose letting me down?
>
> Andrew Watt
>
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