Item

Item is an abstract element that serves as a substitution head for all items in an item scheme, including those items nested within other items. Concrete instances of this must use a concrete instance of ItemType.

<xs:element xmlns:xs="http://www.w3.org/2001/XMLSchema" name="Item" type="ItemType" abstract="true">
  <xs:annotation>
   <xs:documentation>Item is an abstract element that serves as a substitution head for all items in an item scheme, including those items nested within other items. Concrete instances of this must use a concrete instance of ItemType.</xs:documentation>
  </xs:annotation>
 </xs:element>