out = out.replaceAll("=", "&#61;");
    public static String convertSpecialChars(String input) {        // XML Sonderzeichen durch ASCII Codierung ersetzen        String out = input;        out = out.replaceAll("&", "&#38;");        out = out.replaceAll("'", "&#39;");        out = out.replaceAll("<", "&#60;");        out = out.replaceAll(">", "&#62;");        out = out.replaceAll("\"", "&#34;");        return out;    }