P5: Guidelines for Electronic Text Encoding and Interchange

<rng:element name="setting">
 <rng:ref name="att.global.attributes"/>
 <rng:ref name="att.ascribed.attributes"/>
 <rng:choice>
  <rng:oneOrMore>
   <rng:ref name="model.pLike"/>
  </rng:oneOrMore>
  <rng:zeroOrMore>
   <rng:choice>
    <rng:ref name="model.nameLike.agent"/>
    <rng:ref name="model.dateLike"/>
    <rng:ref name="model.settingPart"/>
   </rng:choice>
  </rng:zeroOrMore>
 </rng:choice>
</rng:element>

element setting
{
   att.global.attributes,
   att.ascribed.attributes,
   (
      model.pLike+
    | ( model.nameLike.agent | model.dateLike | model.settingPart )*
   )
}