anchor.diff:  %%--------------------------------------------------------------------
   
   handle_call(get_config, {_, _From}, State) ->
  -  error_logger:info_msg("supplying configuration to: ~p~n", [node(_From)]),
   	{reply, State#configuration.config, State};
   
   handle_call(_Request, _From, State) ->
  
positive.code: 
  get_config(Node) ->
  	gen_server:call({configuration, Node}, get_config, 1000).
  
  %%====================================================================
  %% gen_server callbacks
  
negative.code: -behaviour(gen_server).
  
  %% API
  -export([start_link/1, get_config/1, get_config/0]).
  
  %% gen_server callbacks
  -export([init/1, handle_call/3, handle_cast/2, handle_info/2,
  