1 files changed, 2 insertions, 0 deletions
diff --git a/lib/pp.ml b/lib/pp.ml
index eccaa0928..88ddcb35b 100644
--- a/lib/pp.ml
+++ b/lib/pp.ml
@@ -39,7 +39,9 @@ type doc_view =
 (* Following discussion on #390, we play on the safe side and make the
    internal representation opaque here. *)
 type t = doc_view
+
 type std_ppcmds = t
+[@@ocaml.deprecated "alias of Pp.t"]
 
 let repr x = x
 let unrepr x = x