<grammar xmlns=“relaxng.org/ns/structure/1.0”>
<start>
<element name="doc"> <zeroOrMore> <choice> <element name="p"> <ref name="inline"/> </element> <grammar> <include href="table.rng"> <define name="cell.content"> <parentRef name="inline"/> </define> </include> </grammar> </choice> </zeroOrMore> </element>
</start>
<define name=“inline”>
<zeroOrMore> <choice> <text/> <element name="em"> <ref name="inline"/> </element> </choice> </zeroOrMore>
</define>
</grammar>