anchor.diff:      I_am_UPI_in_newprop_p = lists:member(MyName, P_newprop#projection_v1.upi),
       I_am_Repairing_in_latest_p = lists:member(MyName,
                                                P_latest#projection_v1.repairing),
  -    ShortCircuit_p =
  -        P_latest#projection_v1.epoch_number > P_current#projection_v1.epoch_number
  -        andalso
  -        I_am_UPI_in_newprop_p
  -        andalso
  -        I_am_Repairing_in_latest_p,
  -
  +    %% TODO: ShortCircuit_p was a bad idea, I'm nearly sure. Get rid of it.
  +    ShortCircuit_p = false,
       Current_sane_p = projection_transition_is_sane(P_current, P_latest,
                                                      MyName),
  +    put(xxx_hack, [{p_current, machi_projection:make_summary(P_current)},
  +                   {epoch_compare, P_latest#projection_v1.epoch_number > P_current#projection_v1.epoch_number},
  +                   {i_am_upi_in_newprop_p, I_am_UPI_in_newprop_p},
  +                   {i_am_repairing_in_latest_p, I_am_Repairing_in_latest_p},
  +                   {shortcircuit_p, ShortCircuit_p}]),
       case {ShortCircuit_p, Current_sane_p} of
           _ when P_current#projection_v1.epoch_number == 0 ->
               %% Epoch == 0 is reserved for first-time, just booting conditions.
  
positive.code:                                     %% If there's no overlap at all between
                                      %% UPI_list1 & UPI_list2, then we're OK
                                      %% here.
                                      io:format(user, "QQQ Oops_check_UPI_2_suffix=~w, ", [Oops_check_UPI_2_suffix]),
                                      true;
                                 true ->
                                      exit({upi_2_suffix_error, UPI_2_suffix})
  
negative.code: 
  react_to_env_C110(P_latest, #ch_mgr{name=MyName} = S) ->
      ?REACT(c110),
      %% Extra_todo = [],
      Extra_todo = get(xxx_hack),
      %% Extra_todo = [{hee, lists:reverse(get(react))}],
      P_latest2 = machi_projection:update_dbg2(P_latest, Extra_todo),
  
  