# File lib/sass/util.rb, line 739
    def file_uri_from_path(path)
      path = path.to_s if path.is_a?(Pathname)
      path = path.tr('\\', '/') if windows?
      path = Sass::Util.escape_uri(path)
      return path.start_with?('/') ? "file://" + path : path unless windows?
      return "file:///" + path.tr("\\", "/") if path =~ %r{^[a-zA-Z]:[/\\]}
      return "file:" + path.tr("\\", "/") if path =~ %r{\\\\[^\\]+\\[^\\/]+}
      path.tr("\\", "/")
    end