                         <is-valid></is-valid>
                                <is-readonly></is-readonly>
                            </date>
                        </xf:instance>
                        <xf:bind nodeset="." readonly="is-readonly = 'true'"></xf:bind>
                        <xf:instance id="years-itemset">
                            <years></years>
                        </xf:instance>
                        <xf:instance id="months-itemset">
                            <months></months