anchor.diff:  	   true ->
   		%% Fd ready, print anything buffered for associated Tag
   		lists:filtermap(fun({T,From,Str}) when T == Tag ->
  -					output(From, Tag, Str, St1),
  +					_ = output(From, Tag, Str, St1),
   					false;
   				   (_) ->
   					true
  
positive.code:     InUse = ordsets:from_list(InUse0),
      Gls = gb_sets:to_list(Gls0),
      NotUsed = ordsets:subtract(Gls, InUse),
      [test_server_gl:stop(Pid) || Pid <- NotUsed],
      ok.
  
negative.code:     {noreply,St};
  handle_info(kill_group_leaders, #st{gls=Gls,stopping=From,
  				    pending_ops=Ops}=St) ->
      _ = [exit(GL, kill) || GL <- gb_sets:to_list(Gls)],
      if From /= undefined ->
  	    gen_server:reply(From, ok);
         true ->					% reply has been sent already
  