<?xml version="1.0"?>
<grammar xmlns="http://relaxng.org/ns/structure/1.0" datatypeLibrary="http://www.w3.org/2001/XMLSchema-datatypes">
  <!-- We handle only document defining a domain -->
  <start>
    <ref name="domain"/>
  </start>

  <include href='domaincommon.rng'/>
</grammar>
