}
attr.clear();
attr.addAttribute( Namespaces.EXIST_NS, "name", "name", "CDATA", childUri.toString() );
attr.addAttribute( Namespaces.EXIST_NS, "filename", "filename", "CDATA", Backup.encode( URIUtils.urlDecodeUtf8( childUri.toString() ) ) );
serializer.startElement( Namespaces.EXIST_NS, "subcollection", "subcollection", attr );
serializer.endElement( Namespaces.EXIST_NS, "subcollection", "subcollection" );
}
if( prevBackup != null ) {
// Check which collections and resources have been deleted since