anchor.diff:      %% explicitly (all of it is as of R14 implemented with NIFs).
       case (catch crypto:version()) of
   	{'EXIT', {undef, _}} ->
  -	    p("[test 77] write usm config file with valid priv-key "
  +	    ?IPRINT("[test 77] write usm config file with valid priv-key "
   	      "when crypto not started (7)"),
   	    Usm77 = setelement(6, Usm71, "[1,2,3,4,5,6,7,8,9,0,1,2,3,4,5,6]"),
   	    write_usm_conf(ConfDir, [Usm77]),
   	    ?line {error, Reason77} = config_start(Opts),
  -	    p("start failed (as expected): ~p", [Reason77]),
  +	    ?IPRINT("start failed (as expected): ~p", [Reason77]),
   	    ?line {failed_check, _, _, _, {unsupported_crypto, _}} = Reason77,
   	    await_config_not_running();
   	_ ->
  
positive.code:     end,
  
      %% --
      p("[test 33] write agents config file with invalid community (3)"),
      Agent33 = setelement(3, Agent0, "10101"),
      write_agents_conf(ConfDir, [Agent33]),
      case config_start(Opts) of
  	{error, Reason33} ->
  	    p("start failed (as expected): ~p", [Reason33]),
  	    ?line {failed_check, _, _, _, {invalid_string, _}} = Reason33,
  	    await_config_not_running();
  	OK_33 ->
  
negative.code: 
  
      %% --
      ?IPRINT("write manager config file"),
      write_manager_conf(ConfDir),
  
      %% --
      ?IPRINT("write users config file"),
      UserId1 = raufi1,
      UserId1Str = str(UserId1),
      UserId2 = raufi2,
  