type npattern =
NotationPt.term option * (string * NotationPt.term) list * NotationPt.term option
-type auto_params = NotationPt.term list option * (string*string) list
+type auto_params = (bool * NotationPt.term list) option * (string*string) list
type ntactic =
| NApply of loc * NotationPt.term