code: function( popup )
                  {
                      suggestions.forEach( function( suggestion )
                      {
                          var element = document.createElement('div');
                          add_class( element, 'suggestion' );
                          element.innerHTML = suggestion.label;
                          addEvent( element, 'click', function( e )
                              {
                                  finish_suggestion( suggestion.insert );
                                  cancelEvent( e );
                              });
                          popup.appendChild( element );
  
                          // Store suggestion to handle 'Enter'
                          if( first_suggestion_html === null )
                              first_suggestion_html = suggestion.insert;
                      });
                  }
docs: Show suggester