anchor.diff:  %% @end 
   %%--------------------------------------------------------------------
   init(Config) ->
  -    {ok, #state{config=Config}}.
  +    {ok, #configuration{config=Config}}.
   
   %%--------------------------------------------------------------------
   %% @spec 
  
positive.code: 
  -include("config.hrl").
  
  -record(state, {config}).
  
  %%====================================================================
  %% API
  
negative.code: -behaviour(gen_server).
  
  %% API
  -export([start_link/1, get_config/1]).
  
  %% gen_server callbacks
  -export([init/1, handle_call/3, handle_cast/2, handle_info/2,
  