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