ST_SecondaryLinearDirection

<xsd:simpleType name="ST_SecondaryLinearDirection" final="restriction">
  <xsd:restriction base="xsd:token">
    <xsd:enumeration value="none"/>
    <xsd:enumeration value="fromL"/>
    <xsd:enumeration value="fromR"/>
    <xsd:enumeration value="fromT"/>
    <xsd:enumeration value="fromB"/>
  </xsd:restriction>
</xsd:simpleType>