old_contents: exports.wfs = 'http://www.opengis.net/wfs/2.0';
  exports.ows = 'http://www.opengis.net/ows/1.1';
  exports.xlink = 'http://www.w3.org/1999/xlink';
  
new_contents: exports.wfs = 'http://www.opengis.net/wfs';
  exports.wfs2 = 'http://www.opengis.net/wfs/2.0';
  exports.ows = 'http://www.opengis.net/ows/1.1';
  exports.xlink = 'http://www.w3.org/1999/xlink';
  
subject: Add WFS 1.x namespace