anchor.diff:      
       return result;
     }
  +  
  +  //---------------------------------
  +  //
  +  // Singleton Constructor
  +  //
  +  //---------------------------------
  +  
  +  ReflowManager._internal();
   
     //---------------------------------
     //
     // Constructor
     //
     //---------------------------------
  -
  -  //---------------------------------
  -  // Singleton
  -  //---------------------------------
  -
  -  ReflowManager._construct();
  -
  -  factory ReflowManager() => _instance;
  +  
  +  static final ReflowManager _reflowManager = new ReflowManager._internal();
  +
  +  factory ReflowManager() => _reflowManager;
   
     //-----------------------------------
     //
  
positive.code: 
    static const String _PRIORITY = '';
    
    final Element _element;
    final List<String> _dirtyProperties = <String>[];
    final List<String> _dirtyValues = <String>[];
  
negative.code:   CssStyleDeclaration _detachedElement;
    
    _ElementCSSMap(this._element) {
      final CssStyleDeclaration matchCSS = reflowManager._cssStyles[_element];
      
      if (matchCSS == null) _detachedElement = reflowManager._cssStyles[_element] = new CssStyleDeclaration()..cssText = _element.style.cssText;
      else _detachedElement = matchCSS..cssText = _element.style.cssText;
    }
    
  