s="bold"><strong>-dup</strong></span> and
                 <span class="bold"><strong>-recnum</strong></span>.
            </p>
          </li>
          <li>
            <p>
                  <span class="bold"><strong>-dupsort</strong></span> 
            </p>
            <p>
                 Sort duplicates within a set of data items.  A default lexical
                 comparison will be used.  Specifying that duplicates are to be sorted
                 changes the behavior of the <span class="emphasis