# File lib/rbreadline.rb, line 2216
  def parser_include(args)
    return 0 if (@_rl_parsing_conditionalized_out)

    old_init_file = @current_readline_init_file
    old_line_number = @current_readline_init_lineno
    old_include_level = @current_readline_init_include_level

    r = _rl_read_init_file(args, old_include_level + 1)

    @current_readline_init_file = old_init_file
    @current_readline_init_lineno = old_line_number
    @current_readline_init_include_level = old_include_level

    return r
  end