linebreakstyle

<xs:attribute name="linebreakstyle">
  <xs:simpleType>
    <xs:restriction base="xs:token">
      <xs:enumeration value="before"/>
      <xs:enumeration value="after"/>
      <xs:enumeration value="duplicate"/>
      <xs:enumeration value="infixlinebreakstyle"/>
    </xs:restriction>
  </xs:simpleType>
</xs:attribute>