anchor.diff:                          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
  
positive.code: %-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), ok).
  %% userdevguide-end gen_component:trace_bp_steps
  
  
negative.code:         {'$gen_component', bp, breakpoint, step, StepperPid} ->
              TmpBPState = bp_state_set_bpstepped(BPState, true),
              NewBPState = bp_state_set_bpstepper(TmpBPState, StepperPid),
              ?TRACE_BP_STEPS("~n"
                              "*** Start handling message...~n"
                              "    Process: ~p (~p)~n"
                              "    Message: ~.0p~n",
                              [self(), pid_groups:group_and_name_of(self()),
                               Message]),
              {Options, Slowest, NewBPState};
          {'$gen_component', bp, breakpoint, cont} ->
              T1BPState = bp_state_set_bpactive(BPState, false),
  