pm#XML_based_language__XML_based_notation  any notation following an XML schema; see http://www.w3.org/
  supertype:  markup_language  a set of symbols and rules for their use when doing a markup of a document
  subtype:  XHTML  description in http://www.w3.org/MarkUp/
  subtype:  SVG  Scalable Vector Graphics; description in http://www.w3.org/Graphics/SVG/
  subtype:  RDF/XML  XML notation for the RDF model
     instance:  RDF_syntax_of_22-02-1999
  subtype:  PNML  the PNML language
     subtype:  EPNML
     subtype:  PNK

No statement uses or specializes XML_based_language; click here to add one.