+ relation = Relation.find(params[:id])
+ doc = OSM::API.new.get_xml_doc
+
+ relation.old_relations.each do |old_relation|
+ doc.root << old_relation.to_xml_node
+ end
+
+ render :text => doc.to_s, :content_type => "text/xml"
+ end
+
+ def version
+ if old_relation = OldRelation.where(:relation_id => params[:id], :version => params[:version]).first
+ response.last_modified = old_relation.timestamp