* For XML Schema, the [http://www.saxonica.com/ Saxon XSLT Processor] – {{Code|SaxonHE.jar}}, {{Code|SaxonPE.jar}}, or {{Code|SaxonEE.jar}} – is used if it is added to the classpath.
* For RelaxNG, [http://www.thaiopensource.com/relaxng/jing.html Jing] must be added to the classpath. The latest version, {{Code|jing-20091111.jar}}, is included in the full distributions of BaseX.
* For Schematron validation, please check out Vincent Lizzi’s [https://github.com/vincentml/schematron-basex Schematron XQuery Module].
=Conventions=