code: public static CharSequence unescapeHtml(final CharSequence cs) {
          if (cs == null) {
              return cs;
          }
          
          return StringEscapeUtils.unescapeHtml(cs.toString());
      }
docs: Replaces HTML Entity Encodings.
  @param cs The CharSequence to remove html codes from
  @return the same CharSequence or an escaped String.