<?xml version="1.0" encoding="UTF-8"?> 
<grammar ns="" xmlns="http://relaxng.org/ns/structure/1.0" 
  datatypeLibrary="http://www.w3.org/2001/XMLSchema-datatypes"> 
  <start> 
    <element name="apple"> 
      <element name="pear"> 
        <data type="NCName"/> 
      </element> 
    </element> 
  </start> 
</grammar>
