anchor.diff:      {ok,Parsed} = erl_parse:parse_form(Scanned),
       Parsed.
   
  +print_from_erlang(Name) ->
  +    io:format("~p~n", [from_erlang(Name)]).
  +
   build(From, String) ->
       ModuleName = get_module_name(String),
       build_module(ModuleName, get_ast(From, String)).
  
positive.code:     Program = binary_to_list(Content),
      {ok, Tokens, _Endline} = lexer:string(Program),
      Tokens.
  
  get_module_name(String) ->
      [ModuleNameStr | _] = string:tokens(String, "."),
  
negative.code:     Tokens = get_lex(From, String),
      {ok, Tree} = parser:parse(Tokens),
      Tree.
  
  print_tree(From, String) ->
      io:format("~p~n", [get_tree(From, String)]).
  
  get_lex(string, String) ->
      {ok, Tokens, _Endline} = lexer:string(String),
  