Require Import Ltac2.Ltac2. (** Test for quotations *) Ltac2 ref0 () := reference:(&x). Ltac2 ref1 () := reference:(nat). Ltac2 ref2 () := reference:(Datatypes.nat). Fail Ltac2 ref () := reference:(i_certainly_dont_exist). Fail Ltac2 ref () := reference:(And.Me.neither).