RE: XHTML m12n XSD

["Bullard, Claude L (Len)" <clbullar@ingr.com>]

I'd say XHTML isn't a subject many are 
as concerned with as others would wish 
to think.  Vanilla HTML is probably 
still coin of the realm.  That is not 
as pressing an issue.  Modularity techniques 
are a pressing issue.  

We are going to have the same issues as 
other DTDs are schematized.  We should 
get this worked out now.

I am thinking about X3D.  X3D works out fairly 
well as it was an object-model in the 
original VRML97, so abstract nodes are 
the basis of the work.   But the modularization 
of the X3D DTD followed the XHTML model and I 
haven't looked to see how that is being 
adapted for the experimental X3D Schema. 
X3D also has its own API. 

If it is correct that the modularization 
of HTML can only be done in DTDs, or  
the techniques used (extensive PEs and 
prefixes), then we have a very real problem 
that should be exposed early and hammered 
in the community without chicken little 
kinds of debates unless it turns out the 
sky really is falling. 

Tim says we have a legacy issue with 
HTML links with regard to XLinks.  Again, 
more problems surfacing with mismatched 
designs and legacy?

So the RDF in the XHTML schema becomes a 
*more expressive* set of meta-constraints?  

Len 
http://www.mp3.com/LenBullard

Ekam sat.h, Vipraah bahudhaa vadanti.
Daamyata. Datta. Dayadhvam.h


-----Original Message-----
From: Rick Jelliffe [mailto:ricko@allette.com.au]

I think the M12n work is
really good for exposing the kinds of things Schema languages like XML
Schemas and RELAX would do well to support 

> From: Sean B. Palmer [mailto:sean@mysterylights.com]
>
> In conclusion, an XML Schema version of m12n is at best extremely
> experimental, and makes for a volatile subject.

I concur with Sean. But I don't know if the implication that m12n can only
be done by DTDs or their exact duplicates-in-XML is correct: XHTML M12n has
an abstract model, and to some extent an XHTML M1n2 in XML Schemas (X24s ?
:-) may also reveal where that model is not abstract enough.