anchor.diff:               , print_call   = true         % print calls (see `return_only')
                , print_form   = "~s~n"       % format for printing
   	     , print_file   = ""           % file to print to (standard_io)
  +             , print_p      = 999999       % Limit for "~P" formatting depth
                , print_re     = ""           % regexp that must match to print
   	     , max_queue    = 5000         % max # of msgs before suicide
   	     , max_msg_size = 50000        % max message size before suicide
  
positive.code:            , "buffered     (no)          buffer messages till end of trace"
             , "print_form   (\"~s~n\")      print msgs using this format"
             , "print_file   (standard_io) print to this file"
             , "print_re     (\"\")          print only strings that match this"
             , "  trc file related opts"
             , "file         (none)        use a trc file based on this name"
  
negative.code: 
  maybe_print(Cnf) ->
    PF = the_print_fun(Cnf),
    Cnf#cnf{print_pid=spawn_link(fun()->printi(PF,Cnf#cnf.print_p) end)}.
  
  the_print_fun(Cnf) ->
    PrintFun = mk_the_print_fun(Cnf),
  