From c3bb115fa765278bc3bcb3beb8c74b0fb8b35d98 Mon Sep 17 00:00:00 2001
From: Hugo Herbelin
Date: Sat, 22 Nov 2014 15:20:04 +0100
Subject: Specific printer of Evar.Set.t for ocamldebug + more information in a
 UserError to ease debugging.

---
 tactics/tacticMatching.ml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'tactics')

diff --git a/tactics/tacticMatching.ml b/tactics/tacticMatching.ml
index fa1b7f1586..c662fad0be 100644
--- a/tactics/tacticMatching.ml
+++ b/tactics/tacticMatching.ml
@@ -102,7 +102,7 @@ let verify_metas_coherence env sigma (ln1,lcm) (ln,lm) =
   (merged, Id.Map.merge merge lcm lm)
 
 let matching_error =
-  Errors.UserError ("" , Pp.str "No matching clauses for match.")
+  Errors.UserError ("tactic matching" , Pp.str "No matching clauses for match.")
 
 (** A functor is introduced to share the environment and the
     evar_map. They do not change and it would be a pity to introduce
-- 
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