anchor.diff:          </dl>
         </div>
       </td>
  -    <td width="30%" valign="top">
  +    <td width="4%" valign="top">
         <div class="body">
           <ul>
             <li>
  
positive.code: 
  <table>
    <tr>
      <td valign="top" colspan="2">
        <div class="heading2">
          Major genome datasets
        </div>
      </td>
    </tr>
  
negative.code:     </td>
    </tr>
    <tr>
      <td valign="top">
        <div class="heading2">
          Minor datasets
        </div>
      </td>
      <td valign="top">
        <div class="heading2">
          Dataset links
        </div>
      </td>
    </tr>
  