* @param standalone The standalone value, or null if not specified.
     * @param augs     Additional information that may include infoset augmentations
     *
     * @throws XNIException Thrown by handler to signal an error.
     */
    public void xmlDecl(String version, String encoding, String standalone, Augmentations augs)
        throws XNIException {

        // call handlers
        if (fDocumentHandler != null) {
            fDocumentHandler.xmlDecl(version, encoding, standalone, augs);
        }

    }