anchor.diff:  response_connection([{Name, Value}|Tail], Connection) ->
   	case Name of
   		<<"connection">> ->
  -			Tokens = parse_connection_before(Value, []),
  +			Tokens = cow_http_hd:parse_connection(Value),
   			connection_to_atom(Tokens);
   		_ ->
   			response_connection(Tail, Connection)
  
positive.code: 				false ->
  					Req; %% keepalive
  				{_, ConnectionHeader} ->
  					Tokens = parse_connection_before(ConnectionHeader, []),
  					Connection = connection_to_atom(Tokens),
  					Req#http_req{connection=Connection,
  						p_headers=[{<<"connection">>, Tokens}]}
  
negative.code: 			path= <<"/path">>, qs= <<"dummy=2785">>, pid=self()}),
  	ok.
  
  connection_to_atom_test_() ->
  	%% {Tokens, Result}
  	Tests = [
  