anchor.diff:              {noreply, State};
           _ -> 
               Config = write_config(Key, Value),
  -            {no_reply, State#state{config=Config}}
  +            {noreply, State#state{config=Config}}
       end;
   
   %% @doc Trap unknown casts
  
positive.code: % API export
  -export([
      get/1,
      set/2,
      get_dirty/1,
      set_dirty/2
  
negative.code: %% @doc Get value from config file (cached)
  get(Key) ->
      gen_server:call(?MODULE, {get, Key}).
  
  %% @doc Get value from config file, returning default value when not set (cached)
  get(Key, Default) ->
      case gen_server:call(?MODULE, {get, Key}) of
          undefined -> Default;
          Value -> Value
      end.
  
  %% @doc Set value in config file, update cache.
  set(Key, Value) ->
  