anchor.diff:              end
       end.
   
  -react_to_env_A49(P_latest, FinalProps, #ch_mgr{consistency_mode=cp_mode,
  -                                               proj=P_current} = S) ->
  -    ?REACT(a49),
  -    %% Using the none projection as our new P_current does *not* work:
  -    %% if we forget what P_current is, then we risk not being able to
  -    %% detect an insane chain transition or else risk a false positive
  -    %% insane check.
  -    %%
  -    %% Instead, we will create an implicit annotation in P_current
  -    %% that will force A29 to always use the projection from
  -    %% make_zerf() as the basis for our next transition calculations.
  -    %% In this wacky case, we break the checksum on P_current so that
  -    %% A29's epoch_id comparison will always be unequal and thus
  -    %% always trigger make_zerf().
  -    Dbg = P_current#projection_v1.dbg,
  -    P_current2 = P_current#projection_v1{epoch_csum= <<"broken">>,
  -                                         dbg=[{zerf_backstop,true},
  -                                              {zerf_in,a49}|Dbg]},
  -    react_to_env_A50(P_latest, FinalProps, set_proj(S, P_current2)).
  -
   react_to_env_A50(P_latest, FinalProps, #ch_mgr{proj=P_current}=S) ->
       ?REACT(a50),
       ?REACT({a50, ?LINE, [{current_epoch, P_current#projection_v1.epoch_number},
  
positive.code:                           true ->
                                 true
                         end,
      ?REACT({b10,?LINE,[{newprop_epoch,P_newprop#projection_v1.epoch_number},
                         {is_relevant_to_me_p,IsRelevantToMe_p}]}),
      if
          LatestUnanimousP andalso IsRelevantToMe_p ->
              ?REACT({b10, ?LINE,
                      [{latest_unanimous_p, LatestUnanimousP},
  
negative.code:     end.
  
  react_to_env_C100_inner(Author_latest, NotSanesDict0, MyName,
                          P_newprop, P_latest, P_current_calc, S) ->
      NotSanesDict = orddict:update_counter(Author_latest, 1, NotSanesDict0),
      S2 = S#ch_mgr{not_sanes=NotSanesDict, sane_transitions=0},
      case orddict:fetch(Author_latest, NotSanesDict) of
  