el1['visible'] = self.visible.to_s
el1['timestamp'] = self.timestamp.xmlschema
el1['user'] = self.user.display_name if self.user.data_public?
+ el1['version'] = self.version.to_s
self.old_nodes.each do |nd| # FIXME need to make sure they come back in the right order
e = XML::Node.new 'nd'