anchor.diff:  overflow(Config) when is_list(Config) ->
       Data = proplists:get_value(data_dir, Config),
       Dir = filename:absname(Data),		%Get rid of trailing slash.
  -    run(Dir, "arg_overflow",
  +    run(Config, Dir, "arg_overflow",
   	[<<"ExitCode:0">>]),
  -    run(Dir, "linebuf_overflow",
  +    run(Config, Dir, "linebuf_overflow",
   	[<<"ExitCode:0">>]),
       ok.
   
  
positive.code: epp(Config) when is_list(Config) ->
      Data = proplists:get_value(data_dir, Config),
      Dir = filename:absname(Data),		%Get rid of trailing slash.
      run(Dir, "factorial_epp 5",
  	<<"factorial 5 = 120\nExitCode:0">>),
      ok.
  
  
negative.code: emulator_flags(Config) when is_list(Config) ->
      Data = proplists:get_value(data_dir, Config),
      Dir = filename:absname(Data),		%Get rid of trailing slash.
      run(Config, Dir, "emulator_flags -arg1 arg2 arg3",
  	[<<"main:[\"-arg1\",\"arg2\",\"arg3\"]\n"
  	   "nostick:[{nostick,[]}]\n"
  	   "mnesia:[{mnesia,[\"dir\",\"a/directory\"]},{mnesia,[\"debug\",\"verbose\"]}]\n"
  