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RE: XHTML 2.0 - no interest in RDF/XML?

From: Manos Batsis <m.batsis@bsnet.gr>
Date: Wed, 14 Aug 2002 13:18:48 +0300
Message-ID: <E657D8576967CF448D6AF22CB42DD2690FF303@ermhs.athens.brokersystems.gr>
To: "Masayasu Ishikawa" <mimasa@w3.org>, <Art.Barstow@nokia.com>
Cc: <www-html@w3.org>


The first question to ask is, what forms of validation will the WG
offer?
I am sure that an XML Schema based on [1] will be included 
as normative. IMHO a Relax NG should also be included; the 
language is very popular and this will certainly be a demonstration 
of good will from W3C.
I also suppose a DTD will probably be offered as well (based on [2]). 
The above three may not provide the same level of validation though... 
Has the WG considered this as a problem? 
What are the current intentions on validation modules?

> From: Masayasu Ishikawa [mailto:mimasa@w3.org] 

> "Manos Batsis" <m.batsis@bsnet.gr> wrote:
> > I would ask for the WG to formally introduce a section in 
> > the <head> element where validation is skipped (using the
> > corresponding XML Schema construct), to urge authors
> > in the use of full powered RDF fragments.

> namespace="##other" with processContents="skip", you mean?

Yes. Here's something based on [3]:

<!-- 
   declaring this as an attribute group per the existing WG practice 
-->
<xs:attributeGroup name="skipOtherNSValidation">
  <xs:anyAttribute namespace="##other" processContents="skip"/>
</xs:attributeGroup>

<!--
   added to the attribute group for the meta element
-->
<xs:attributeGroup name="meta.attlist">
 <xs:attributeGroup ref="I18n.attrib"/>
 <xs:attribute name="http-equiv" type="xs:NMTOKEN"/>
 <xs:attribute name="name" type="xs:NMTOKEN"/>
 <xs:attribute name="content" type="Text" use="required"/>
 <xs:attribute name="scheme" type="Text"/>
 <xs:attributeGroup ref="skipOtherNSValidation"/>
</xs:attributeGroup>

<xs:complexType name="meta.type">
 <xs:attributeGroup ref="meta.attlist"/>
</xs:complexType>


Um... forgive my ignorance but my age puts me in the "new generation" 
of authors; I have never used DTDs. Can we offer the above functionality

using DTDs?

The above may seem kind of loose; one may argue that I can put any 
number of attributes and still be valid. That is the intention, since
the 
document is always the subject and each attribute-value pair 
corresponds to predicate-object, so we do have correct triples.

Finally, will the WG consider to document the use of the link element 
for metadata purposes?

<link rel="meta" href="someName.rdf" />


[1] http://www.w3.org/TR/xhtml-m12n-schema/
[2] http://www.w3.org/TR/xhtml-modularization/
[3]
http://www.w3.org/TR/xhtml-m12n-schema/schema_module_defs.html#a_smodule
_Metainformation

Kindest regards,

Manos
Received on Wednesday, 14 August 2002 06:18:14 GMT

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