From a464fdc040a77022dd9e6e57129f80144918ace6 Mon Sep 17 00:00:00 2001
From: Enrico Tassi
Date: Mon, 12 Oct 2020 16:52:27 +0200
Subject: document Proof.compact

---
 vernac/declare.mli | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/vernac/declare.mli b/vernac/declare.mli
index 4f86dd472b..8e6456d834 100644
--- a/vernac/declare.mli
+++ b/vernac/declare.mli
@@ -245,6 +245,8 @@ module Proof : sig
    * (w.r.t. type dependencies and let-ins covered by it) *)
   val set_used_variables : t -> Names.Id.t list -> Constr.named_context * t
 
+  (** Compacts the representation of the proof by pruning all intermediate
+      terms *)
   val compact : t -> t
 
   (** Update the proof's universe information typically after a
-- 
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