1  <grammar xmlns="http://relaxng.org/ns/structure/1.0">
 2  
 3    <include href="inline2.rng"/>
 4  
 5    <start>
 6      <element name="doc">
 7        <zeroOrMore>
 8  	<element name="p">
 9  	  <ref name="inline"/>
10  	</element>
11        </zeroOrMore>
12      </element>
13    </start>
14  
15    <define name="inline.class" combine="choice">
16      <choice>
17        <element name="code">
18  	<ref name="inline"/>
19        </element>
20        <element name="em">
21  	<ref name="inline"/>
22        </element>
23      </choice>
24    </define>
25    
26  </grammar>