P5: Guidelines for Electronic Text Encoding and Interchange

<rng:element name="gramGrp">
 <rng:ref name="att.global.attributes"/>
 <rng:ref name="att.lexicographic.attributes"/>
 <rng:zeroOrMore>
  <rng:choice>
   <rng:text/>
   <rng:ref name="model.gLike"/>
   <rng:ref name="model.phrase"/>
   <rng:ref name="model.inter"/>
   <rng:ref name="model.gramPart"/>
   <rng:ref name="model.global"/>
  </rng:choice>
 </rng:zeroOrMore>
</rng:element>

element gramGrp
{
   att.global.attributes,
   att.lexicographic.attributes,
   (
      text
    | model.gLike
    | model.phrase
    | model.inter
    | model.gramPart
    | model.global
   )*
}