anchor.diff:  %-define(TRACE_BP(X,Y), ct:pal(X,Y)).
   -define(TRACE_BP(X,Y), ok).
   %% userdevguide-begin gen_component:trace_bp_steps
  -%-define(TRACE_BP_STEPS(X,Y), io:format(X,Y)). %% output on console
  -%-define(TRACE_BP_STEPS(X,Y), ct:pal(X,Y)).    %% output even if called by unittest
  +%-define(TRACE_BP_STEPS(X,Y), io:format(X,Y)).     %% output on console
  +%-define(TRACE_BP_STEPS(X,Y), ct:pal(X,Y)).        %% output even if called by unittest
  +%-define(TRACE_BP_STEPS(X,Y), io:format(user,X,Y)). %% clean output even if called by unittest
   -define(TRACE_BP_STEPS(X,Y), ok).
   %% userdevguide-end gen_component:trace_bp_steps
   
  
positive.code:         {'$gen_component', bp, breakpoint, step, StepperPid} ->
              TmpBPState = bp_state_set_bpstepped(BPState, true),
              NewBPState = bp_state_set_bpstepper(TmpBPState, StepperPid),
              {Options, Slowest, NewBPState};
          {'$gen_component', bp, breakpoint, cont} ->
              T1BPState = bp_state_set_bpactive(BPState, false),
  
negative.code:                         false ->
                              case lists:keyfind(post_op, 1, Commands) of
                                  {post_op, Msg1} ->
                                      {_Opts, _Slowest, BPState} = TmpComponentState,
                                      case bp_state_get_bpactive(BPState) of
                                          true ->
                                              ?TRACE_BP_STEPS("~n"
                                                              "*** Trigger post-op...~n"
                                                              "    Process: ~p (~p)~n"
                                                              "    Handler: ~p:~p/2~n"
                                                              "    Message: ~.0p~n",
                                                              [self(), pid_groups:group_and_name_of(self()),
                                                               Module, On,
                                                               Msg1]),
                                              self() ! {'$gen_component',
                                                        bp, breakpoint, step,
                                                        bp_state_get_bpstepper(BPState)},
                                              ok;
                                          false -> ok
                                      end,
                                      loop(Module, On, Msg1, NewState, TmpComponentState);
                                  false ->
                                      % let's fail since the Config list was either
  