if (hashIndex >= 0) {
      hashStr = url.substring(hashIndex);
      buf.push("&hash=");
      buf.push(encodeURIComponent(hashStr));
    }

    $(this).attr("href", buf.join(""));
  });

  $result.on("mouseover", "a.link", function(e) {
    var docId = $(this).attr("data-id"),
        rt = $("#rt").val(),
        url = $(this).attr("href"),
        buf = [],
        hashIndex,
        hashStr;
    buf.push(contextPath);

   *
   * <p>Note that {@code range} will be {@linkplain Range#span(Range) coalesced} with any ranges in
   * the range set that are {@linkplain Range#isConnected(Range) connected} with it. Moreover, if
   * {@code range} is empty, this is a no-op.
   *
   * @throws UnsupportedOperationException if this range set does not support the {@code add}
   *     operation
   */
  void add(Range<C> range);