anchor.diff:  // BSD-style license that can be found in the LICENSE file.
   
   import 'dart:async';
  -import 'dart:html' show AnchorElement, Element, Event, KeyboardEvent, KeyCode;
  +import 'dart:html'
  +    show AnchorElement, Element, Event, KeyboardEvent, KeyCode, MouseEvent;
   
   import 'package:angular/angular.dart';
   
  
positive.code:   }
  
    @HostListener('click', const [r'$event'])
    void onTrigger(Event event) {
      if (_target == null || _target == '_self') {
        event.preventDefault();
        _router.navigate(
  
negative.code:               queryParameters: url.queryParameters, fragment: url.fragment));
      }
    }
  }
  