* output.
   *
   * <p>This escaper does not treat surrogate pairs specially and does not perform Unicode
   * validation on its input.
   */
  @SuppressWarnings("EscapedEntity") // We do mean for the user to see &#x9;" etc.
  public static Escaper xmlAttributeEscaper() {
    return XML_ATTRIBUTE_ESCAPER;
  }
  private static final Escaper XML_CONTENT_ESCAPER;