<xsd:element name="value" >
  <xsd:complexType>
    <xsd:simpleContent>
      <xsd:extension base="tns:nonNegativeFloatT">
        <xsd:attribute name="unit" type="tns:nameT" use="required">
          <xsd:annotation>
            <xsd:documentation>Unit of credits, typical value is ECTS (case insensitive).</xsd:documentation>
          </xsd:annotation>
        </xsd:attribute>
      </xsd:extension>
    </xsd:simpleContent>
  </xsd:complexType>
</xsd:element>