ph-schematron is a Java library that validates XML documents via ISO Schematron, SchXslt or a Java "pure" implementation.
Schematron is an XML based validation language to validate XML documents.
Schematron is part of the ISO 19757 standard "Information technology — Document Schema Definition Languages (DSDL)", Part 3 "Rule-based validation — Schematron".
See the Wiki for more details.
The project is licensed under Apache 2.0 license.
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