anchor.diff:  
   %% the redbug server data structure
   %% most can be set in the input proplist
  --record(cnf,{time         = 15000          % ms
  -             , msgs         = 10           % unit
  +-record(cnf,{time         = 15000          % stop trace after this time [ms]
  +             , msgs         = 10           % stop trace after this # msgs [unit]
                , proc         = all          % list of procs (or 'all')
                , target       = node()       % target node
                , cookie       = ''           % target node cookie
  
positive.code: slist(X) -> [X].
  
  %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
  printi(PrintFun,Pdepth,Pmsec) ->
    receive
      {trace_consumer,TC} ->
        erlang:monitor(process,TC),
        printl(PrintFun,Pdepth,Pmsec)
    end.
  
  printl(PrintFun,Pdepth,Pmsec) ->
    receive
      {'DOWN',_,_,_,R} -> io:fwrite("quitting: ~p~n",[R]);
      X -> outer(PrintFun,Pdepth,Pmsec,X),
           printl(PrintFun,Pdepth,Pmsec)
    end.
  
  outer(_,_,_,[]) -> ok;
  
negative.code: 
  maybe_print(#cnf{print_depth = Pdepth, print_msec = Pmsec} = Cnf) ->
    PF = the_print_fun(Cnf),
    Cnf#cnf{print_pid=spawn_link(fun()->print_init(PF,Pdepth,Pmsec) end)}.
  
  the_print_fun(Cnf) ->
    PrintFun = mk_the_print_fun(Cnf),
  