The root element must have a version attribute. The root element must have a version attribute. The root element must have a version attribute. The root element must have a version attribute. The root element must have a version attribute. The root element must have a version attribute. The root element must have a version attribute. The root element must have a version attribute. The root element must have a version attribute. The root element must have a version attribute. The root element must have a version attribute. The root element must have a version attribute. The root element must have a version attribute. The root element must have a version attribute. The root element must have a version attribute. The root element must have a version attribute. The root element must have a version attribute. The root element must have a version attribute. The root element must have a version attribute. The root element must have a version attribute. The root element must have a version attribute. The root element must have a version attribute. The root element must have a version attribute. The root element must have a version attribute. The root element must have a version attribute. The root element must have a version attribute. The root element must have a version attribute. The root element must have a version attribute. @linkend on biblioref must point to a bibliography entry.