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https://issues.apache.org/jira/browse/DAFFODIL-1807?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Michael Beckerle updated DAFFODIL-1807:
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Comment: was deleted
(was: This ticket isn't about daffodil. It is about the JPEG Schema.
Ticket https://github.com/DFDLSchemas/JPEG/issues/2 replaces this ticket. )
> schematron validation
> ---------------------
>
> Key: DAFFODIL-1807
> URL: https://issues.apache.org/jira/browse/DAFFODIL-1807
> Project: Daffodil
> Issue Type: New Feature
> Components: Back End
> Reporter: Michael Beckerle
> Priority: Major
>
> Daffodil can run the standard XSD validator that is in Xerces.
> We should also be able to provide schematron-based validation. This should
> allow use of a separate rule file (usually filename.sch extension), or
> schematron annotations embedded directly in the DFDL schema.
> Note: the way schematron validation commonly works is that the schematron
> rules are converted into an XSLT, and the XSLT is run on the XML infoset to
> produce the schematron output. We can do this same thing, but should insure
> that the conversion from schematron rules into XSLT is part of schema
> compilation so that aspect is done once only, and the XSLT created from that
> has its corresponding Java "transformer" object created only once as well.
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