<xsd:element name="value" >
  <xsd:complexType>
    <xsd:simpleContent>
      <xsd:extension base="xsd:string">
        <xsd:attribute name="gradingScheme" type="tns:nameT" use="required">
          <xsd:annotation>
            <xsd:documentation>Name of a grading scheme. Typical values are: ECTS, local (case insensitive).</xsd:documentation>
          </xsd:annotation>
        </xsd:attribute>
      </xsd:extension>
    </xsd:simpleContent>
  </xsd:complexType>
</xsd:element>