anchor.diff:    to_stderr("~n~n~n~n~n~n",[]).
   
   progress_clear() ->
  -  delete_lines(5).
  +  delete_lines(4).
  +
  +progress_refresh(State) ->
  +  %% No extra line afterwards to ease printing of 'running logs'.
  +  delete_lines(1),
  +  {Str, NewState} = progress_content(State),
  +  to_stderr("~s~n", [Str]),
  +  NewState.
   
   delete_lines(0) -> ok;
   delete_lines(N) ->
  
positive.code:       loop(NewState);
      tick ->
        clear_ticks(),
        loop(printout(State, "", []))
    end.
  
  format_utc_timestamp() ->
  
negative.code:   delete_lines(N - 1).
  
  progress_print(State) ->
    Line = progress_line(State),
    to_stderr("~s~n", [Line]),
    to_stderr("~s~n", [progress_header(State)]),
    to_stderr("~s~n", [Line]),
    {Str, _NewState} = progress_content(State),
    to_stderr("~s~n", [Str]).
  
  progress_header(#logger_state{traces_ssb = 0}) ->
    progress_header_common("");
  