anchor.diff:              if (_currentPacket.hasHeader('Content-Length')) {
                 _readingHeader = false;
                 _contentLength = 0;
  -              bodyBuffer = [];
  +              _bodyBuffer = [];
               } else {
                 if (!_currentPacket.hasHeader('Content-Type') &&
                     _currentPacket.headers.isNotEmpty) {
  
positive.code:               _currentPacket = new Packet();
              }
            } else {
              String headerLine = new String.fromCharCodes(headerBuffer);
  
              /// Ignore short lines.
              if (headerLine.length > 1) {
  
negative.code: class PacketTransformer implements StreamTransformer<List<int>, Packet> {
    final StreamController<Packet> _controller = new StreamController<Packet>();
    Packet _currentPacket = new Packet();
    List<int> _headerBuffer = [];
    List<int> _bodyBuffer = [];
    bool _readingHeader = true;
    int _contentLength = 0;
    int _currentChar;
  