on.zero.sum.lines</code></td>

          <td>If <code>fold.on.zero.sum.lines</code> is set to <code>1</code>,
          lines that contain both an ending and starting fold point are marked
          as fold points. For example, the C line <code>} else {</code> would be
          marked as a fold point. The default is <code>0</code>.</td>
        </tr>

        <tr>
          <td><code>fold.compact</code></td>

          <td>If <code>fold.compact</code> is set to <code>1</code>, blank lines
          after a