diff = XML::Document.new
diff.root = XML::Node.new "osmChange"
modify = XML::Node.new "modify"
xml_old_way = old_way.to_xml_node
nd_ref = XML::Node.new "nd"
diff = XML::Document.new
diff.root = XML::Node.new "osmChange"
modify = XML::Node.new "modify"
xml_old_way = old_way.to_xml_node
nd_ref = XML::Node.new "nd"