anchor.diff:  progress_clear() ->
     delete_lines(4).
   
  -progress_refresh(State) ->
  +progress_refresh(N, #logger_state{ticks = T} = State) ->
     %% No extra line afterwards to ease printing of 'running logs'.
     delete_lines(1),
  -  {Str, NewState} = progress_content(State),
  +  {Str, NewState} = progress_content(State#logger_state{ticks = T + N}),
     to_stderr("~s~n", [Str]),
     NewState.
   
  
positive.code:     ++ SSB ++
      " Planned |"
      " ~Rate |"
      " Est.Total |"
      " Est.TTC".
  
  
negative.code:       },
    DaysSplitFun = fun(Days) -> Days end,
    DaysATF =
      #time_formatter{
         threshold  = infinity,
         split_fun  = DaysSplitFun,
         one_format = "~5wd"
  