d="update-data-uri" action="xq/update-data-uri.xquery" method="post" replace="none" instance="muk-data" ref="/config"/>
      
      <!-- Current env -->
      <xf:bind id="current-env" nodeset="/config/current"/>
      
      <!-- Data URI -->
      <xf:bind id="update-env" nodeset="/config/data-uri" calculate="concat(instance('muk-data')//data-root,'/',instance('muk-data')//collections/root,'/',/config/current)"/>
      
      
      <!-- eXist-DB Domain -->
      <xf:bind id="muk-data-domain" nodeset="/c