anchor.diff:      )
     ),
     // new SkyDemo(
  +
     //   'Touch Demo', '../../rendering/touch_demo.dart', 'Simple example showing handling of touch events at a low level'),
     new SkyDemo(
       name: 'Minedigger Game',
  
positive.code: const EdgeDims kListPadding = const EdgeDims.all(4.0);
  
  class DemoList extends Component {
    Widget buildDemo(SkyDemo demo) {
      return new Listener(
        key: demo.name,
  
negative.code:       child: new Container(
          height: kCardHeight,
          child: new Card(
            child: buildCardContents(demo)
          )
        )
      );
  