anchor.diff:    <tr>
       <td> <i>D. melanogaster</i> </td>
       <td> Insertions (including DrosDel and Exelixis) </td>
  -    <td> <a href="http://www.flybase.org" target="_new" class="extlink">Flybase</a> - Version FB2012_01</td>
  +    <td> <a href="http://www.flybase.org" target="_new" class="extlink">Flybase</a> - Version FB2012_03</td>
       <td> Crosby et al - <a href="http://www.ncbi.nlm.nih.gov/pubmed/17099233" target="_new" class="extlink">PubMed: 17099233</a></td>
       <td>&nbsp;</td>
     </tr>
  
positive.code:     <td rowspan="2" class="leftcol"><p> <h2>Phenotypes</h2></p></td>
      <td> <i>D. melanogaster</i> </td>
      <td> Alleles and phenotypes</td>
      <td> <a href="http://www.flybase.org" target="_new" class="extlink">FlyBase</a> - Version FB2012_01</td>
      <td> Crosby et al - <a href="http://www.ncbi.nlm.nih.gov/pubmed/17099233" target="_new" class="extlink">PubMed: 17099233</a></td>
      <td> &nbsp;</td>
    </tr>
  
negative.code:     <td rowspan="5" class="leftcol"><p><h2>Resources</h2></p></td>
      <td> <i>D. melanogaster</i> </td>
      <td> <a href="http://www.drosdel.org.uk" target="_new" class="extlink">DrosDel</a> artificial deletions</td>
      <td> <a href="http://www.flybase.org" target="_new" class="extlink">FlyBase </a> - Version FB2012_03</td>
      <td> Ryder et al - <a href="http://www.ncbi.nlm.nih.gov/pubmed/15238529" target="_new" class="extlink">PubMed: 15238529</a></td>
      <td> &nbsp;</td>
    </tr>
  