public CDATASection createCDATASection(char[] buf, int off, int len)
public CDATASection createCDATASection(String value)
  public CDATASection createCDATASection(char[] buf, int off, int len)  {    if (checkingCharacters)      {        checkChar(buf, off, len, "1.1".equals(version));      }    return new DomCDATASection(this, buf, off, len);  }