P5: Guidelines for Electronic Text Encoding and Interchange

<rng:element name="stamp">
 <rng:ref name="att.global.attributes"/>
 <rng:ref name="att.typed.attributes"/>
 <rng:ref name="att.datable.w3c.attributes"/>
 <rng:ref name="att.datable.iso.attributes"/>
 <rng:ref name="macro.phraseSeq"/>
</rng:element>

element stamp
{
   att.global.attributes,
   att.typed.attributes,
   att.datable.w3c.attributes,
   att.datable.iso.attributes,
   macro.phraseSeq
}