<dataSpec xmlns="http://www.tei-c.org/ns/1.0" rend="add" ident="data.PARTSTAFF" module="MEI">
<desc xml:lang="en">Reference to part staves.</desc>
<content>
<alternate minOccurs="1" maxOccurs="1"><valList>
<valItem ident="all"/>
</valList>
<dataRef name="token" restriction="\d+(-\d+)?"/></alternate>
</content>
</dataSpec>