anchor.diff:  			{[{"application/json", update_subscriber}], NewReqData, Context};
   		Method when Method == 'GET'; Method == 'HEAD' ->
   			case {wrq:path_info(identity, NewReqData), wrq:req_qs(NewReqData),
  -					 wrq:get_req_header("range", NewReqData),} of
  +					 wrq:get_req_header("range", NewReqData)} of
   				{undefined, _, undefined} ->
   					{[{"application/json", find_subscribers}], NewReqData, Context};
   				{undefined, _, Range} ->
  
positive.code: 	end.
  %% @todo partion_content
  %find_subscribers(ReqData, #state{partial_content = true,
  %		frange = FR, lrange = LR} = Context) ->
  
  %% @hidden
  find_subscribers1() ->
  
negative.code: 					{FR, LR} = {list_to_integer(SFR), list_to_integer(SLR)},
  					NextContext = Context#state{frange = FR, lrange = LR,
  							partial_content = true},
  					{[{"application/json", find_subscribers}], NewReqData, NextContext};
  				{Identity, _, undefined} ->
  					NextContext = Context#state{subscriber = Identity},
  					{[{"application/json", find_subscriber}], NewReqData, NextContext}
  			end;
  		'DELETE' ->
  			{[{"application/json", delete_subscriber}], NewReqData, Context}
  