anchor.diff:  
   %% interactions
   
  +%% @doc Activates a <i>process</i> that has been configured to postpone
  +%% startup (viz the process activate_on_start config key).
  +%% @end
   activate_process(ProcRef) ->
       systest_proc:activate(ProcRef).
   
  
positive.code: 
  %% config/settings
  
  settings() ->
      case systest_config:get_static(settings) of
          {settings, Settings} -> Settings;
          _                    -> []
      end.
  
  settings(Key) when is_atom(Key) ->
      systest_config:read(Key, settings());
  settings(Key) when is_list(Key) ->
  
negative.code:         false -> systest_config:read(Key, settings())
      end.
  
  %% @doc attempts to lookup the supplied key - see systest_config:get_config/1
  %% @end
  config(Key) ->
      systest_config:get_config(Key).
  
  %% @doc attempts to lookup the supplied environment variable -
  %% see systest_config:get_env/1
  %% @end
  env(Key) ->
      systest_config:get_env(Key).
  
  