P5: Guidelines for Electronic Text Encoding and Interchange

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

element editionStmt
{
   att.global.attributes,
   ( model.pLike+ | ( edition, respStmt* ) )
}