neral Options</th>
          </tr>
          <tr>
            <td class="popt">-o</td><td><span class="pdat">output file</span></td>
            <td>The masked sequences are written to <span class="pdat">output file</span>.</td>
            <td>The masked sequences are written to standard output.</td>
          </tr>
          <tr>
            <td class="popt">-x</td><td><span class="pdat">mask character</span></td>
            <td>The instances of the glam2 motif are masked out with the 
            <span 