anchor.diff:    }
   
   
  +  /**
  +   * Converts the frame into a string suitable for sending over the wire. 
  +   * 
  +   * Remark: The returned string will not contain the EOF mark.
  +   */
     String toString() {
       List lines = [this.command];
       bool skipContentLength = headers["content-length"] == false;
  
positive.code:     return lines.join("\n");
    }
  
    static Frame unmarshallSingle(String data) {
      /**
       * search for 2 consecutives LF byte to split the command
  
negative.code:     return new Frame(command, headers, body);
    }
  
    /**
     * Unmarshals a list of Frames contained in a String of data.
     */
    static List<Frame> unmarshall(String datas) {
      /**
       * Ugly list comprehension to split and unmarshall *multiple STOMP frames*
  