anchor.diff:                                       table.appendChild(row);
                                      }
                                   }else{
  -                                 table.appendChild(row);
  +                                    table.appendChild(row);
                                   }
   
                               }
                               element.appendChild(table);
                           }
  -
  -
  -
  -
  -                    }
  -
  +                    }
                   });
   
                   vis.draw({ network: network_xgmml,layout:"Preset"});
  
positive.code: 
                 };
  
                function checkDataField(group_id, field){
                    var val = group_id == "nodes"? nodesDataSchema[field] : (group_id == "edges"? edgesDataSchema[field] : -1);
                    return val;
                }
  
negative.code:                                target.data["Comment"] = null;
                                 vis.updateData([target]);
                              }
  
                              var sorted_keys = sort_keys(target.data);
  
                              for (var i in sorted_keys) {
                                  var variable_name = sorted_keys[i];
                                  var variable_value = target.data[variable_name];
                                  var row = document.createElement('tr');
                                  var col1 = document.createElement('th');
                                  if (variable_name == 'name')
                                      col1.textContent = 'type of the node';
                                  else
                                      col1.textContent = variable_name;
                                  col1.textAlign = "left";
                                  var col2 = document.createElement('td');
                                  switch(variable_name){
  