anchor.diff:                )
               ]
             )
  -        ]
  -      )
  +        )
  +      ]
       );
     }
   
  
positive.code: 
  class _PestoDemoState extends State<PestoDemo> {
    final GlobalKey<ScaffoldState> _scaffoldKey = new GlobalKey<ScaffoldState>();
    final TextStyle userStyle = _textStyle(12.0, FontWeight.bold);
    final TextStyle emailStyle = _textStyle(12.0).copyWith(color: Colors.black54);
  
    @override
    Widget build(BuildContext context) {
      final double statusBarHeight = MediaQuery.of(context).padding.top;
  
      List<Recipe> recipes = config.showFavorites ? favoriteRecipes.toList() : kRecipes;
  
      return new Theme(
        data: _kTheme,
        child: new Scaffold(
  
negative.code:           child: new Icon(icon: Icons.edit),
            onPressed: () { }
          ),
          body: _buildBody(context)
        )
      );
    }
  