P5: Guidelines for Electronic Text Encoding and Interchange

<rng:element name="recording">
<rng:ref name="att.global.attributes"/>
<rng:ref name="att.declarable.attributes"/>
<rng:ref name="att.duration.w3c.attributes"/>
<rng:ref name="att.duration.iso.attributes"/>
<rng:optional>
 <rng:attribute name="type" a:defaultValue="audio">
  <rng:choice>
   <rng:value>audio</rng:value>
   <rng:value>video</rng:value>
  </rng:choice>
 </rng:attribute>
</rng:optional>
<rng:choice>
 <rng:oneOrMore>
  <rng:ref name="model.pLike"/>
 </rng:oneOrMore>
 <rng:zeroOrMore>
  <rng:ref name="model.recordingPart"/>
 </rng:zeroOrMore>
</rng:choice>
</rng:element>

element recording
{
   att.global.attributes,
   att.declarable.attributes,
   att.duration.w3c.attributes,
   att.duration.iso.attributes,
   attribute type { "audio" | "video" }?,
   ( model.pLike+ | model.recordingPart* )
}