    <subrule name="HAVE-ABLABEL-PROPERTY">
      <!-- property X-ABLabel is not generated by default,
           must be enabled for peers which support it -->
    </subrule>

    <subrule name="HAVE-ABLABEL-PARAMETER">
      <!-- parameter X-ABLabel is not generated by default,
           must be enabled for peers which support it -->
    </subrule>
