P5: Guidelines for Electronic Text Encoding and Interchange

<rng:element name="series">
<rng:ref name="att.global.attributes"/>
<rng:zeroOrMore>
 <rng:choice>
  <rng:text/>
  <rng:ref name="model.gLike"/>
  <rng:ref name="title"/>
  <rng:ref name="editor"/>
  <rng:ref name="respStmt"/>
  <rng:ref name="biblScope"/>
  <rng:ref name="model.global"/>
 </rng:choice>
</rng:zeroOrMore>
</rng:element>

element series
{
   att.global.attributes,
   (
      text
    | model.gLike
    | title
    | editor
    | respStmt
    | biblScope
    | model.global
   )*
}