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-rw-r--r--pretyping/clenv.mli3
1 files changed, 2 insertions, 1 deletions
diff --git a/pretyping/clenv.mli b/pretyping/clenv.mli
index 73a171b8d..8546a44ef 100644
--- a/pretyping/clenv.mli
+++ b/pretyping/clenv.mli
@@ -61,7 +61,8 @@ val mk_clenv_type_of : evar_info sigma -> constr -> clausenv
(* linking of clenvs *)
val connect_clenv : evar_info sigma -> clausenv -> clausenv
-val clenv_fchain : metavariable -> clausenv -> clausenv -> clausenv
+val clenv_fchain :
+ ?allow_K:bool -> metavariable -> clausenv -> clausenv -> clausenv
(***************************************************************)
(* Unification with clenvs *)