From 8875457d54bf5867723d85a6ffb451c4fbc4f188 Mon Sep 17 00:00:00 2001
From: barras
Date: Fri, 14 Sep 2001 10:01:23 +0000
Subject: exceptions

git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@1965 85f007b7-540e-0410-9357-904b9bb8a0f7
---
 kernel/sign.ml    | 2 +-
 proofs/refiner.ml | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/kernel/sign.ml b/kernel/sign.ml
index 21c0ed8d25..77bb45bd2e 100644
--- a/kernel/sign.ml
+++ b/kernel/sign.ml
@@ -180,7 +180,7 @@ type names_context = name list
 let add_name n nl = n::nl
 let lookup_name_of_rel p names =
   try List.nth names (p-1)
-  with Invalid_argument _ -> raise Not_found
+  with Invalid_argument _ | Failure _ -> raise Not_found
 let rec lookup_rel_of_name id names = 
   let rec lookrec n = function
     | Anonymous :: l  -> lookrec (n+1) l
diff --git a/proofs/refiner.ml b/proofs/refiner.ml
index ab7a4958ce..4ca9a06158 100644
--- a/proofs/refiner.ml
+++ b/proofs/refiner.ml
@@ -577,7 +577,7 @@ let top_goal_of_pftreestate pts =
 let nth_goal_of_pftreestate n pts =
   let goals = fst (frontier pts.tpf) in
   try {it = List.nth goals (n-1); sigma = pts.tpfsigma }
-  with Failure "nth" -> non_existent_goal n
+  with Invalid_argument _ | Failure _ -> non_existent_goal n
 
 let descend n p =
   match p.ref with
-- 
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