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Thread: Re: Relax NG, XSD and DTA




Re: Relax NG, XSD and DTA
user name
2007-02-10 12:15:59
On Fri, 2007-02-09 at 12:04 -0600, Chris Chiasson wrote:
> I was looking at the source tree a few months ago; I
believe the RNG
> version is generated from a set of RNC files that Norm
W. manually
> maintains. From comments on the list, I think other
schemas are
> generated automatically from either the RNG or RNC
files.
> 
As described in docbook 
http://www.docbook.org
/schemas website, the only normative schema is the
RNG one. This is due to the fact that,
while an XML Schema could be transformed into an equivalent
RelaxNG
schema (excepting W3C XML Schema identity constraints and
other object modeling related things) -for example
through the Sun RELAX NG converter at 
http://wwws.sun.com/software/xml/developers/relaxngc
onverter
 -,  a RelaxNG schema couldn't be.


> On 2/9/07, Miller, Ray (Centech) <Ray.Millerva.gov> wrote:
> > Will I need to address any XSD and DTD deprecation
issues?

You could use a different way: NVDL
from: <http://www.ox
ygenxml.com/onvdl.html>
"NVDL allows specifying sections of XML documents to be
validated
against different schemas thus enabling the creation of
complex
documents containing multiple languages without the need to
modify the
schemas that define each language to take into account the
other
languages"

-vito

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