P5: Guidelines for Electronic Text Encoding and Interchange

<rng:element name="spanGrp">
<rng:ref name="att.global.attributes"/>
<rng:ref name="att.interpLike.attributes"/>
<rng:zeroOrMore>
 <rng:ref name="span"/>
</rng:zeroOrMore>
</rng:element>

element spanGrp { att.global.attributes, att.interpLike.attributes, span* }