RE: [docbook-tc] RelaxNG et al. [was: DocBook Technical Committee Meeting Minutes: 17 September 2008]

["Grosso, Paul" <pgrosso@ptc.com>]

Pardon my ignorance, as I haven't used Schematron, but.... 

I note the last column is "RELAX NG + Schematron/NVDL". Wha'ts NVDL?

Is there such a thing as W3C XML Schema + Schematron?  If so, what
would a column in this table look like for that combination?

paul 

> -----Original Message-----
> From: Jirka Kosek [mailto:jirka@kosek.cz] 
> Sent: Thursday, 2008 November 13 3:34
> To: Grosso, Paul
> Cc: DocBook Technical Committee; docbook@lists.oasis-open.org
> Subject: Re: [docbook-tc] RelaxNG et al. [was: DocBook 
> Technical Committee Meeting Minutes: 17 September 2008]
> 
> Jirka Kosek wrote:
> > Grosso, Paul wrote:
> > 
> >>> ACTION: Jirka to analyze RelaxNG without Schematron.
> >> I'd be interested to know what constraints can only
> >> be validated by Schematron, and what constraints can 
> >> be validated by RelaxNG but not XSD.
> > 
> > Sure, my intention was to compare all DocBook 5.0 schemas available,
> > including XSD and DTD.
> 
> Hi,
> 
> please find attached schema comparison. I have used fancy Unicode
> characters inside table -- if it is too much for your browser, let me
> know I will regenerate document with simple "Yes/No" words.
> 
> I tried to be concise, but if you think that description 
> should be more
> elaborative let me know -- I just didn't want repeat whole schema in
> prose in this first draft.
> 
> I think that after some discussion and corrections we can put this
> inside how-to, so people can easily see which constraints can 
> be checked
> in particular schemas.
> 
> Also note that the current W3C XML Schema can be little bit improved
> because now it is converted from DTD. James Clark recently started
> working again on Jing/Trang -- so may be if we are able to isolate
> problems on which Trang choked in our RELAX NG schema, he can 
> fix Trang
> and we can easily get W3C XML Schema without our custom DTD step.
> 
> Comments welcomed!
> 
> 			Jirka
> 
> -- 
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>   Jirka Kosek      e-mail: jirka@kosek.cz      http://xmlguru.cz
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