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<?xml version="1.0" encoding="UTF-8"?>
<!-- just as nvset-2.9.rng, but allows for instantiated @name restrictions -->
<grammar xmlns="http://relaxng.org/ns/structure/1.0"
datatypeLibrary="http://www.w3.org/2001/XMLSchema-datatypes">
<start>
<ref name="element-nvset"/>
</start>
<!-- nvpair/@name:
* generic string by default, parent grammar may want to prohibit
enumerated names -->
<define name="element-nvset.name">
<attribute name="name">
<text/>
</attribute>
</define>
<!-- nvpair/@name:
* defer element-nvset.name grammar item
nvpair/@value:
generic string by default, parent grammar may want to restrict
enumerated pairs (i.e. related to @name) at once -->
<define name="element-nvset.name-value">
<ref name="element-nvset.name"/>
<optional>
<attribute name="value"><text/></attribute>
</optional>
</define>
<define name="element-nvset">
<choice>
<attribute name="id-ref"><data type="IDREF"/></attribute>
<group>
<attribute name="id"><data type="ID"/></attribute>
<interleave>
<optional>
<externalRef href="rule-3.4.rng"/>
</optional>
<zeroOrMore>
<element name="nvpair">
<choice>
<group>
<attribute name="id-ref"><data type="IDREF"/></attribute>
<optional>
<attribute name="name"><text/></attribute>
</optional>
</group>
<group>
<attribute name="id"><data type="ID"/></attribute>
<ref name="element-nvset.name-value"/>
</group>
</choice>
</element>
</zeroOrMore>
<optional>
<externalRef href="score.rng"/>
</optional>
</interleave>
</group>
</choice>
</define>
</grammar>
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