anchor.diff:  
   %%--------------------------------------------------------------------
   %% Function: needs_rotating(In, Size, State)
  -%%           In = list() of atom(), level atoms - debug, normal, error
  -%%           Size = integer(), max size before rotating
  +%%           In    = list() of atom(), debug | normal | error
  +%%           Size  = integer(), max size before rotating
   %%           State = gen_server handle_xxx function state
   %% Descrip.: Check a list of log files to see if any of
   %%           them are larger than Size bytes. Return a list of all
  
positive.code: 				   is_list(Arguments) ->
      do_log(Level, Format, Arguments).
  
  log_iolist(Level, IOlist) when is_atom(Level) ->
      LogTS = get_ts(now()),
      L = atom_to_list(Level),
  
negative.code: 
  %%--------------------------------------------------------------------
  %% Function: handle_cast(Msg, State)
  %%           Msg   = {log, Level, Data}
  %%           Level = debug | normal | error
  %%           Data  = binary(), what we should write to the log file
  %% Descrip.: Write a log message to one or more of our log files (and
  