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-rw-r--r--pretyping/typing.ml3
1 files changed, 2 insertions, 1 deletions
diff --git a/pretyping/typing.ml b/pretyping/typing.ml
index bff9bb499..0f9100e79 100644
--- a/pretyping/typing.ml
+++ b/pretyping/typing.ml
@@ -6,6 +6,7 @@
(* * GNU Lesser General Public License Version 2.1 *)
(************************************************************************)
+open Pp
open Errors
open Util
open Term
@@ -21,7 +22,7 @@ open Arguments_renaming
let meta_type evd mv =
let ty =
try Evd.meta_ftype evd mv
- with Not_found -> anomaly ("unknown meta ?"^Nameops.string_of_meta mv) in
+ with Not_found -> anomaly (str "unknown meta ?" ++ str (Nameops.string_of_meta mv)) in
meta_instance evd ty
let constant_type_knowing_parameters env cst jl =