old_relation.user_id = relation.user_id
old_relation.timestamp = relation.timestamp
old_relation.id = relation.id
+ old_relation.version = relation.version
old_relation.members = relation.members
old_relation.tags = relation.tags
return old_relation
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_members.each do |member|
e = XML::Node.new 'member'