# File lib/sass/util.rb, line 1208
    def absolute_path(path, dir_string = nil)
      # Ruby 1.8 doesn't support File.absolute_path.
      return File.absolute_path(path, dir_string) unless ruby1_8?

      # File.expand_path expands "~", which we don't want.
      return File.expand_path(path, dir_string) unless path[0] == ?~
      File.expand_path(File.join(".", path), dir_string)
    end