anchor.diff:  				
   		    {ContentType, Request} = 
                           make_request_body(XmlMessage, Attachments),
  -		    HttpHeaders = [],
  -		    HttpClientOptions = [],
                       ?dbg("+++ Request = ~p~n", [Request]),
   		    HttpRes = http_request(URL, SoapAction, Request, 
                                              HttpClientOptions, HttpHeaders, 
  
positive.code: 	 initModelFile/1,
  	 config_file_xsd/0,
  	 call/3, call/4, call/5, call/6,
  	 call_attach/4, call_attach/5, call_attach/7,
  	 write_hrl/2, write_hrl/3,
  	 findHeader/2,
  	 parseMessage/2,
  
negative.code: %%% Make a SOAP request (with attachments)
  %%% --------------------------------------------------------------------
  call_attach(#wsdl{operations = Operations, model = Model}, 
              Operation, Port, Service, Headers, Message, Attachments, 
              #call_opts{http_headers=HttpHeaders, http_client_options=HttpClientOptions}) ->
      %% find the operation
      case findOperation(Operation, Port, Service, Operations) of
  	#operation{address = URL, action = SoapAction} ->
  