P5: Guidelines for Electronic Text Encoding and Interchange

<rng:element name="seriesStmt">
<rng:ref name="att.global.attributes"/>
<rng:choice>
 <rng:oneOrMore>
  <rng:ref name="model.pLike"/>
 </rng:oneOrMore>
 <rng:group>
  <rng:oneOrMore>
   <rng:ref name="title"/>
  </rng:oneOrMore>
  <rng:zeroOrMore>
   <rng:choice>
    <rng:ref name="idno"/>
    <rng:ref name="respStmt"/>
   </rng:choice>
  </rng:zeroOrMore>
 </rng:group>
</rng:choice>
</rng:element>

element seriesStmt
{
   att.global.attributes,
   ( model.pLike+ | ( title+, ( idno | respStmt )* ) )
}