let rec alpha mem x a =
let err () = a in
- let f () = match a.E.n_name with
+ let f () = match a.E.b_name with
| None -> a
- | Some (token, mode) -> alpha mem x {a with E.n_name = Some (token ^ "_", mode)}
+ | Some (token, mode) -> alpha mem x {a with E.b_name = Some (token ^ "_", mode)}
in
mem err f x a