Re: [xml-dev] XSD 1.1 versus the tandem of XSD 1.0 plus Schematron

[Michael Kay <mike@saxonica.com>]

This is rather like arguing that a new Java feature will never catch on 
because Java has always had the ability to call functions written in C.

Michael Kay
Saxonica


On 15/08/2012 21:17, Costello, Roger L. wrote:
> Hi Folks,
>
> XML Schema 1.1 has twenty-one new capabilities.
>
> How do those new capabilities stack up against a tandem of 1.0 and Schematron? Can the new capabilities be implemented using the existing 1.0 schema technology plus Schematron?
>
> It is an important question. Organizations are well entrenched in their 1.0 XSDs plus their Schematron schemas. They have invested heavily in these technologies. And they have expertise in these technologies. And there is good support for these technologies.
>
> So what is the benefit of switching to XSD 1.1? Will it provide more capabilities than the existing tandem of XSD 1.0 and Schematron?
>
> This paper attempts to shed some light on these questions.
>
> Here is a Venn Diagram. The left circle is XSD 1.1. The right circle is XSD 1.0 plus Schematron. The new capabilities in XML Schema 1.1 are shown. If the new capability can be equivalently expressed using a tandem of XSD 1.0 plus Schematron then it is in the intersection. If the new capability cannot be equivalently expressed then it is to the left, exclusively in the XSD 1.1 circle. Capabilities that are unique to XSD 1.0 plus Schematron are to the right, exclusively in the XSD 1.0 plus Schematron circle.
>
> More ... http://www.xfront.com/Overlap-between-XML-Schema-1-1-and-XML-Schema-1-0-Plus-Schematron.pdf
>
> Comments?
>
> /Roger
>
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