anchor.diff:            ctx.info(msg);
             return true;
           });
  -  });
  +  }, description: 'Updated the sample file at $_exampleFile');
   }
   
   Future<bool> _transform(List<String> samples) {
  
positive.code:   final sampleList = doc.queryAll('ul')
        .where((Element e) => e.id == 'demo-list')
        .single;
  
    print(sampleList.outerHtml);
  
    sampleList.children.clear();
  
  
negative.code:             .map((path) {
                assert(path.startsWith(_startPath));
                final lastSlash = path.lastIndexOf('/');
                final name = path.substring(_startPath.length+1, lastSlash);
                // this could be a lot prettier...but...eh
                final targetPath = "$_startPath/$name/${name}_demo.html";
                assert(path == targetPath);
                return name;
              })
              .toList();
  