+(** {2 Grammar extension} *)
+
+type rule_id
+
+val extend:
+ CicNotationPt.term ->
+ ?precedence:int ->
+ ?associativity:Gramext.g_assoc ->
+ (CicNotationEnv.t -> CicNotationPt.location -> CicNotationPt.term) ->
+ rule_id
+
+val delete: rule_id -> unit
+
+(** {2 Standard precedences} *)
+
+val let_in_prec: int
+val binder_prec: int
+val apply_prec: int
+val simple_prec: int
+
+val let_in_assoc: Gramext.g_assoc
+val binder_assoc: Gramext.g_assoc
+val apply_assoc: Gramext.g_assoc
+val simple_assoc: Gramext.g_assoc
+
+(** {2 Debugging} *)
+
+ (** print "level2_pattern" entry on stdout, flushing afterwards *)
+val print_l2_pattern: unit -> unit