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

<rng:element name="div5">
<rng:ref name="att.global.attributes"/>
<rng:ref name="att.divLike.attributes"/>
<rng:ref name="att.metrical.attributes"/>
<rng:ref name="att.typed.attributes"/>
<rng:ref name="att.declaring.attributes"/>
<rng:group>
 <rng:zeroOrMore>
  <rng:choice>
   <rng:ref name="model.divTop"/>
   <rng:ref name="model.global"/>
  </rng:choice>
 </rng:zeroOrMore>
 <rng:optional>
  <rng:choice>
   <rng:oneOrMore>
    <rng:choice>
     <rng:ref name="model.div6Like"/>
     <rng:ref name="model.divGenLike"/>
    </rng:choice>
    <rng:zeroOrMore>
     <rng:ref name="model.global"/>
    </rng:zeroOrMore>
   </rng:oneOrMore>
   <rng:group>
    <rng:oneOrMore>
     <rng:group>
      <rng:ref name="model.common"/>
     </rng:group>
     <rng:zeroOrMore>
      <rng:ref name="model.global"/>
     </rng:zeroOrMore>
    </rng:oneOrMore>
    <rng:zeroOrMore>
     <rng:choice>
      <rng:ref name="model.div6Like"/>
      <rng:ref name="model.divGenLike"/>
     </rng:choice>
     <rng:zeroOrMore>
      <rng:ref name="model.global"/>
     </rng:zeroOrMore>
    </rng:zeroOrMore>
   </rng:group>
  </rng:choice>
  <rng:zeroOrMore>
   <rng:group>
    <rng:ref name="model.divBottom"/>
   </rng:group>
   <rng:zeroOrMore>
    <rng:ref name="model.global"/>
   </rng:zeroOrMore>
  </rng:zeroOrMore>
 </rng:optional>
</rng:group>
</rng:element>

element div5
{
   att.global.attributes,
   att.divLike.attributes,
   att.metrical.attributes,
   att.typed.attributes,
   att.declaring.attributes,
   (
      ( model.divTop | model.global )*,
      (
         (
            ( ( model.div6Like | model.divGenLike ), model.global* )+
          | (
               ( ( model.common ), model.global* )+,
               ( ( model.div6Like | model.divGenLike ), model.global* )*
            )
         ),
         ( ( model.divBottom ), model.global* )*
      )?
   )
}