# File lib/yard/server/doc_server_helper.rb, line 39
      def url_for_frameset
        url = options.file ? url_for_file(options.file) : url_for(object)
        url = url.gsub(%r{^/#{base_path(router.docs_prefix)}/}, '')
        File.join('', base_path(router.docs_prefix), "frames", url)
      end