http://orbeon.org/oxf/xml/xbl" xmlns:xf="http://www.w3.org/2002/xforms" xmlns:exf="http://www.exforms.org/exf/1-0" id="fr-date-picker" element="fr|date-picker">
                <metadata xmlns="http://orbeon.org/oxf/xml/form-builder">
                    <display-name lang="en">Date Picker</display-name>
                    <display-name lang="fr">Sélecteur de date</display-name>
                    <display-name lang="ru">Дата в строке</display-name>
                    <icon lang="en">
       