anchor.diff:    <ul class='sources'>
       <li id='umd_tree_loss_gain' class='source-item first'>
         <div class='source_header'>
  -        <strong class='source_title'>UMD tree cover loss &amp; gain</strong>
  -        <i class='expand_arrow'></i>
  -        <em class='source_description'>(annual, 30m, global & 12 years, 30m, global)</em>
  +        <strong class='source_title'>University of Maryland tree cover loss &amp; gain</strong>
  +        <i class='expand_arrow'></i>
  +        <em class='source_description'>(loss: annual, 30m, global; gain: 12 years, 30m, global)</em>
         </div>
   
         <div class='source_body'>
  
positive.code:         <div class='source_table'>
            <dl class='sources_row'>
              <dt>Function</dt>
              <dd>Identifies tree cover loss and gain with global coverage</dd>
            </dl>
            <dl class='sources_row even'>
              <dt>Resolution/scale</dt>
  
negative.code:           </dl>
            <dl class='sources_row'>
              <dt>Geographical coverage</dt>
              <dd>Global land area (excluding Antarctica and other Arctic islands)</dd>
            </dl>
            <dl class='sources_row even'>
              <dt>Source data</dt>
  