anchor.diff:  // Copyright (c) 2012, 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.
  -// Revised December 2013, by Terry.
  +// December 2013, Modified by Terry.
  +// Access this server as 'http://localhost:8080/time'.
   
   import "dart:io";
   import "dart:convert";
  
positive.code:             "from ${request.connectionInfo.remoteAddress}");
            }
            if (request.uri.path == REQUEST_PATH) {
              requestReceivedHandler(request);
            }
            else request.response.close();
          });
  
negative.code: 
  // create and send response for the request here.
  // if you are using Future or Stream objects inside of the try block,
  // you have to catch their error and throw that error as an Exception.
  void service(HttpRequest request) {
    try {
  //  throw new Exception('exception raised');  // uncomment this line to test exception handling
      String htmlResponse = createHtmlResponse();
      sendResponse(request, htmlResponse);
    }
  