anchor.diff:  ///              applicationIcon: FlutterLogo(),
   ///              applicationName: 'Show About Example',
   ///              applicationVersion: 'August 2019',
  -///              applicationLegalese: '© 2014 The Flutter Authors',
  +///              applicationLegalese: '\u{a9} 2014 The Flutter Authors',
   ///              children: aboutBoxChildren,
   ///            );
   ///          },
  
positive.code: ///          children: <TextSpan>[
  ///            TextSpan(
  ///              style: textStyle,
  ///              text: 'Flutter is Google’s UI toolkit for building beautiful, '
  ///              'natively compiled applications for mobile, web, and desktop '
  ///              'from a single codebase. Learn more about Flutter at '
  ///            ),
  
negative.code: ///              applicationIcon: FlutterLogo(),
  ///              applicationName: 'Show About Example',
  ///              applicationVersion: 'August 2019',
  ///              applicationLegalese: '\u{a9} 2014 The Flutter Authors',
  ///              aboutBoxChildren: aboutBoxChildren,
  ///            ),
  ///          ),
  