Mtd (attr,m) -> X.xml_nempty ~prefix "mtd" attr [< (print_mpres m) ; X.xml_nempty ~prefix "mphantom" [] (X.xml_nempty ~prefix "mtext" [] (X.xml_cdata "(")) >]
;;
-let print_mpres pres =
+let document_of_mpres pres =
[< Xml.xml_cdata "<?xml version=\"1.0\" encoding=\"ISO-8859-1\"?>\n" ;
Xml.xml_cdata "\n";
Xml.xml_nempty ~prefix "math"