anchor.diff: -// Copyright (c) 2014, the Dart project authors.  Please see the AUTHORS file
  +// Copyright (c) 2015, the Dart project authors.  Please see the AUTHORS file
   // for details. All rights reserved. Use of this source code is governed by a
   // BSD-style license that can be found in the LICENSE file.
   
  -library editor.codemirror;
  +library editor.comid;
   
   import 'dart:async';
   import 'dart:html' as html;
  
positive.code:   }
  }
  
  Future _appendNode(html.Element parent, html.Element child) {
    Completer completer = new Completer();
    child.onLoad.listen((e) {
      completer.complete();
    });
    parent.nodes.add(child);
    return completer.future;
  }
  
negative.code:     initializeBracketClosing();
  
      List futures = [];
  //    html.Element head = html.querySelector('html head');
  
  //    // <link href="packages/dart_pad/editing/editor_codemirror.css"
  //    //   rel="stylesheet">
  