P5: Guidelines for Electronic Text Encoding and Interchange

<rng:element name="recordHist">
 <rng:ref name="att.global.attributes"/>
 <rng:choice>
  <rng:oneOrMore>
   <rng:ref name="model.pLike"/>
  </rng:oneOrMore>
  <rng:group>
   <rng:ref name="source"/>
   <rng:zeroOrMore>
    <rng:ref name="change"/>
   </rng:zeroOrMore>
  </rng:group>
 </rng:choice>
</rng:element>

element recordHist
{
   att.global.attributes,
   ( model.pLike+ | ( source, change* ) )
}