P5: Guidelines for Electronic Text Encoding and Interchange

<rng:element name="date">
<rng:ref name="att.global.attributes"/>
<rng:ref name="att.datable.w3c.attributes"/>
<rng:ref name="att.datable.iso.attributes"/>
<rng:ref name="att.duration.w3c.attributes"/>
<rng:ref name="att.duration.iso.attributes"/>
<rng:ref name="att.editLike.attributes"/>
<rng:ref name="att.typed.attributes"/>
<rng:optional>
 <rng:attribute name="calendar">
  <rng:choice>
   <rng:value>Gregorian</rng:value>
   <rng:value>Julian</rng:value>
   <rng:value>Islamic</rng:value>
   <rng:value>Hebrew</rng:value>
   <rng:value>Revolutionary</rng:value>
   <rng:value>Iranian</rng:value>
   <rng:value>Coptic</rng:value>
   <rng:value>Chinese</rng:value>
   <rng:data type="Name"/>
  </rng:choice>
 </rng:attribute>
</rng:optional>
<rng:zeroOrMore>
 <rng:choice>
  <rng:text/>
  <rng:ref name="model.gLike"/>
<!--        <rng:ref name="model.datePart"/>-->
  <rng:ref name="model.phrase"/>
  <rng:ref name="model.global"/>
 </rng:choice>
</rng:zeroOrMore>
</rng:element>

element date
{
   att.global.attributes,
   att.datable.w3c.attributes,
   att.datable.iso.attributes,
   att.duration.w3c.attributes,
   att.duration.iso.attributes,
   att.editLike.attributes,
   att.typed.attributes,
   attribute calendar
   {
      "Gregorian"
    | "Julian"
    | "Islamic"
    | "Hebrew"
    | "Revolutionary"
    | "Iranian"
    | "Coptic"
    | "Chinese"
    | xsd:Name
   }?,
   ( text | model.gLike | model.phrase | model.global )*
}