anchor.diff:      ?line {ok,PL}  = ?FILE_MODULE:position(F1, {eof,-L}),
       ?line {ok,R}   = ?FILE_MODULE:read(F1, L+1),
       ?line ok       = ?FILE_MODULE:close(F1),
  -    %%
  -    ?line Mref = erlang:monitor(process, Deleter),
  -    ?line Deleter ! {Tester,done},
  -    ?line receive {'DOWN',Mref,_,_,_} -> ok end,
       %%
       ?line ?t:timetrap_cancel(Watchdog),
       ok.
  
positive.code:     after 0 ->
  	    lists:reverse(Msgs)
      end.
  
negative.code: large_file(doc) ->
      ["Tests positioning in large files (> 4G)"];
  large_file(Config) when is_list(Config) ->
      run_large_file_test(Config,
  			fun(Name) -> do_large_file(Name) end,
  			"_large_file").
  
  do_large_file(Name) ->
      ?line Watchdog = ?t:timetrap(?t:minutes(5)),
  
      ?line S = "1234567890",
      L = length(S),
      R = lists:reverse(S),
  