anchor.diff:      <script id="infowindow_template" type="text/tmpl">
         <div class="cartodb-popup">
           <div class="cartodb-popup-content-wrapper">
  -          <div class="cartodb-popup-content"> 
  -            {{#content.fields}} 
  +          <div class="cartodb-popup-content">
  +            {{#content.fields}}
               {{#title}}<h4>{{title}}</h4>{{/title}}
               <p>{{value}}</p> {{/content.fields}}
             </div>
  -        </div> 
  -        <div class="cartodb-popup-tip-container"> 
  -        </div> 
  +        </div>
  +        <div class="cartodb-popup-tip-container">
  +        </div>
         </div>
       </script>
   
  
positive.code: 
        layers: [
          base_layer_tilejson,
          data_layer_tilejson 
        ]
      };
  
      var opt = get_url_params();
  
      var southWest = new L.LatLng(opt.sw_lat || -40, opt.sw_lon || -80)
        , northEast = new L.LatLng(opt.ne_lat || 72, opt.ne_lon || 80)
        , bounds = new L.LatLngBounds(southWest, northEast);
  
      if(opt.sql) {
        data_layer_tilejson.query = opt.sql;
  
negative.code:       return params;
      }
  
      var opt = get_url_params();
  
      var vis_data = {
         title: opt.title === 'true' ? table_name:null,
         description: opt.description === 'true' ? table_description: null,
         overlays: [
          {
            type: 'zoom',
            template: '<a class="zoom_in">+</a> <a class="zoom_out">-</a>'
          }
  