From 92994fb0e41c691c54db3d23e267e48fb97ad7e4 Mon Sep 17 00:00:00 2001
From: Vitor Santos Costa <vsc@dcc.fc.up.pt>
Date: Fri, 21 Dec 2018 22:44:18 +0000
Subject: [PATCH] debugging

---
 pl/undefined.yap | 1 -
 1 file changed, 1 deletion(-)

diff --git a/pl/undefined.yap b/pl/undefined.yap
index fd2d14731..3c11f1a1d 100644
--- a/pl/undefined.yap
+++ b/pl/undefined.yap
@@ -113,7 +113,6 @@ undefined_query(G0, M0, Cut) :-
 
 % undef handler
 '$undefp'([M0|G0],_) :-
-start_low_level_trace,
     % make sure we do not loop on undefined predicates
     setup_call_catcher_cleanup(
         '$undef_set'(Action,Debug,Current),