docs: private static int needsEscapeElement(final String pString) {
          for (int i = 0; i < pString.length(); i++) {
              switch (pString.charAt(i)) {
                  case '&':
                  case '<':
                  case '>':
                  //case '\'':
                  //case '"':
                      return i;
                  default:
              }
          }
          return -1;
      }