P5: Guidelines for Electronic Text Encoding and Interchange

<rng:element name="hom">
 <rng:ref name="att.global.attributes"/>
 <rng:ref name="att.lexicographic.attributes"/>
 <rng:zeroOrMore>
  <rng:choice>
   <rng:ref name="sense"/>
   <rng:ref name="model.entryPart.top"/>
   <rng:ref name="model.global"/>
  </rng:choice>
 </rng:zeroOrMore>
</rng:element>

element hom
{
   att.global.attributes,
   att.lexicographic.attributes,
   ( sense | model.entryPart.top | model.global )*
}