P5: Linee guida per la codifica e l'interscambio del testo elettronico

<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* ) )
}