anchor.diff:  
   %% Internal API.
   -export([start/0,start/1]).
  +-export([run/1,run/2]).
   
   script_name() ->
       [Sname|_] = init:get_plain_arguments(),
  
positive.code:             lfe_io:format("lfescript: Internal error: ~p\n", [Reason]),
              lfe_io:format("~p\n", [Stack]),
              halt(?ERROR_STATUS)
      end.
  
  %% parse_check_run(FileName, Args, Options) -> no_return().
  %%  Parse the script file, check the code, build a function
  
negative.code: 
  %% start() -> no_return().
  %% start(Options) -> no_return().
  %% run(CmdLine) -> no_return().
  %% run(CmdLine, Options) -> no_return().
  %%  Evaluate the LFE script. All errors which are caught here are
  %%  internal errors. Start gets its arguments from the command line
  %%  while run gets them as an argument.
  
  start() -> start([]).
  
  start(Lopts) ->
      run(init:get_plain_arguments(), Lopts).
  
  run(CmdLine) -> run(CmdLine, []).
  
  run([File|Args], Lopts) ->
      try
          process_flag(trap_exit, false),
          parse_check_run(File, Args, Lopts)
      catch
          %% Catch program errors.
          throw:Str ->
  