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-rw-r--r--lib/pp_control.ml4
1 files changed, 2 insertions, 2 deletions
diff --git a/lib/pp_control.ml b/lib/pp_control.ml
index e43916125..67ae4a20a 100644
--- a/lib/pp_control.ml
+++ b/lib/pp_control.ml
@@ -92,8 +92,8 @@ let _ = set_dflt_gp !std_ft
let err_ft = ref Format.err_formatter
let _ = set_gp !err_ft deep_gp
-let deep_ft = with_output_to stdout
-let _ = set_gp deep_ft deep_gp
+let deep_ft = ref (with_output_to stdout)
+let _ = set_gp !deep_ft deep_gp
(* For parametrization through vernacular *)
let default = Format.pp_get_max_boxes !std_ft ()