W3C home > Mailing lists > Public > public-grddl-wg@w3.org > April 2007

RE: Valid XHTML and Faithful Infoset redflag - stated (semi) formally

From: Clark, John <CLARKJ2@ccf.org>
Date: Wed, 25 Apr 2007 10:54:32 -0400
Message-ID: <F122C25B4CD6F34BB119A97593679601027CA868@CCHSCLEXMB59.cc.ad.cchs.net>
To: "GRDDL Working Group" <public-grddl-wg@w3.org>

This is an interesting approach.

> Is it the case that xhtml:NotValid is owl:disjointWith 
> grddl:SourceDocument?
> I.e., should the definition of grddl:SourceDocument be:
> Class grddl:SourceDocument
> EquivalentClass: ( grddl:result some grddl:RDFGraph )
> DisjointWith: xhtml:NotValid

You mean xhtml:NotValidDocument here, yes?  Also, should we restrict
grddl:SourceDocument to something narrower such as
grddl:XHTMLSourceDocument, so that we don't inadvertentely exclude
documents from processing under the general XML rules?

What is the universe of discourse in which xhtml:NotValidDocument is the
complement of xhtml:ValidDocument?  If it is "all documents", then
xhtml:NotValidDocument is too broad, as it encompasses documents like
<foo/>.  If it is "all XHTML documents" then this (re-)raises the
question of "what is an XHTML document?"  

If an XHTML document (whatever that may be) is a member of
xhtml:NotValid, can it still take advantage of the GRDDL processing
rules for generic XML documents?  I would say "absolutely".
Furthermore, as I stated before, I think such "invalid" XHTML documents
should be able to take advantage of the XHTML rules as well.

Take care,

    John L. Clark

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Received on Wednesday, 25 April 2007 14:54:02 UTC

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