Re: [xml-dev] Is Schematron (using XPath 2.0) functionally a superset of

[Michele Vivoda <idmichele@yahoo.it>]

Hi,

I use the schema also for its data-description 
features: to know which element/attrs are allowed,
datatype etc, before validation, 
to _produce_ instances, that then I will validate.

I think that it would be hard to 
get the same description from a list of xpaths,
or at least I wouldn't know where to start.

Is it possible to go back from the schematron
to the w3c schema ?

Bye
Michele Vivoda


--- "Costello, Roger L." <costello@mitre.org> ha
scritto:

> Hi Folks,
> 
> Is Schematron (using XPath 2.0) functionally a
> superset of XML Schemas?
> 
> Using XPath 2.0, Schematron can now perform all of
> the grammar-type
> checks that XML Schemas does, e.g. check that the
> correct tags are
> being used, the tags are arranged properly, and the
> datatypes of each
> element and attribute are correct. 
> 
> Plus Schematron can perform co-constraint checks,
> cardinality checks,
> and algorithmic checks that XML Schemas cannot do.
> 
> Are there things that XML Schemas can do that
> Schematron (using Xpath
> 2.0) cannot do?
> 
> /Roger 
> 
>
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