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

<rng:element name="analytic">
<rng:ref name="att.global.attributes"/>
<rng:zeroOrMore>
 <rng:choice>
  <rng:ref name="author"/>
  <rng:ref name="editor"/>
  <rng:ref name="respStmt"/>
  <rng:ref name="title"/>
 </rng:choice>
</rng:zeroOrMore>
</rng:element>

element analytic
{
   att.global.attributes,
   ( author | editor | respStmt | title )*
}