anchor.diff:  % Node-specific request handler (_config and _stats)
   
   
  -% GET /_node/$node/config/
  -% GET /_node/$node/config
  +% GET /_node/$node/_config
   handle_node_req(#httpd{method='GET', path_parts=[_, Node, <<"_config">>]}=Req) ->
       Grouped = lists:foldl(fun({{Section, Key}, Value}, Acc) ->
           case dict:is_key(Section, Acc) of
  
positive.code:         call_node(Node, config, delete, [Section, Key, Persist]),
          send_json(Req, 200, list_to_binary(OldValue))
      end;
  handle_node_req(#httpd{path_parts=[_, Node, <<"_stats">> | Path]}=Req) ->
      flush(Node, Req),
      Stats0 = call_node(Node, couch_stats, fetch, []),
  
negative.code:     Value ->
          send_json(Req, 200, list_to_binary(Value))
      end;
  % DELETE /_node/$node/_config/Section/Key
  handle_node_req(#httpd{method='DELETE',path_parts=[_, Node, <<"_config">>, Section, Key]}=Req) ->
      Persist = chttpd:header_value(Req, "X-Couch-Persist") /= "false",
      case call_node(Node, config, get, [Section, Key, undefined]) of
  