<schemaSpec ident="schema2"
xmlns:rng="http://relaxng.org/ns/structure/1.0">
<moduleRef key="tei"/>
<moduleRef key="textstructure"/>
<moduleRef key="header"/>
<moduleRef key="core"/>
<moduleRef key="spoken"/>
<!-- simplify head content -->
<elementSpec ident="head" module="core" mode="change">
<content>
<rng:text/>
</content>
</elementSpec>
<!-- constrain values of event type -->
<elementSpec ident="event" module="spoken" mode="change">
<desc>A ludic or non-ludic event</desc>
<attList>
<attDef ident="type" mode="change">
<valList type="closed">
<valItem ident="ludic"/>
<valItem ident="nonludic"/>
</valList></attDef></attList>
</elementSpec>
</schemaSpec>