<?xml version="1.0"?>
<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema">
  <xs:element name="Measures">
    <xs:complexType>
      <xs:sequence>
        <xs:element name="FeetAndInches" minOccurs="0" maxOccurs="unbounded" type="FeetAndInchesType" />
        <xs:element name="CourseCode" minOccurs="0" maxOccurs="unbounded" type="CourseCodeType" />
        <xs:element name="WarDate" minOccurs="0" maxOccurs="unbounded" type="WarDate" />
      </xs:sequence>
    </xs:complexType>
  </xs:element>

  <xs:simpleType name="FeetAndInchesType">
    <xs:restriction base ="xs:string">
		<xs:pattern value="([0-9]|([1-9][0-9]*))[′](([1][0-1])|[1-9])[″]"/>
	</xs:restriction>
  </xs:simpleType>

  <xs:simpleType name="CourseCodeType">
    <xs:restriction base = "xs:string">

		<xs:minLength value ="6"/>
		<xs:maxLength value ="14"/>
		<xs:pattern value="[A-ZÆØÅ]{2,}[0-9]{3,}([-][0-9]{3})?"/>

	</xs:restriction>
  </xs:simpleType>

  <xs:simpleType name="WarDate">
	<xs:restriction base ="xs:date">

		<xs:minInclusive value="1940-04-09"/>
		<xs:maxInclusive value="1945-05-08"/>

	</xs:restriction>
  </xs:simpleType>

</xs:schema>