test/relaxng/demo3.rng

<?xml version="1.0" encoding="utf-8"?>
<grammar xmlns="http://relaxng.org/ns/structure/1.0" xmlns:t="http://www.thaiopensource.com/ns/annotations" xmlns:a="http://relaxng.org/ns/compatibility/annotations/1.0" datatypeLibrary="http://www.w3.org/2001/XMLSchema-datatypes">

   <define name="TEI.prose" combine="interleave">
      <ref name="IGNORE"/>
   </define>

</grammar>