anchor.diff:  ///          children: <TextSpan>[
   ///            TextSpan(
   ///              style: textStyle,
  -///              text: 'Flutter is Google’s UI toolkit for building beautiful, '
  +///              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 '
   ///            ),
  
positive.code: ///              applicationIcon: FlutterLogo(),
  ///              applicationName: 'Show About Example',
  ///              applicationVersion: 'August 2019',
  ///              applicationLegalese: '© 2014 The Flutter Authors',
  ///              aboutBoxChildren: aboutBoxChildren,
  ///            ),
  ///          ),
  
negative.code: ///              applicationIcon: FlutterLogo(),
  ///              applicationName: 'Show About Example',
  ///              applicationVersion: 'August 2019',
  ///              applicationLegalese: '\u{a9} 2014 The Flutter Authors',
  ///              children: aboutBoxChildren,
  ///            );
  ///          },
  