From 4791a18c5b0797db1708ddef6f9d1b0cdb3b6d0b Mon Sep 17 00:00:00 2001
From: Vitor Santos Costa <vsc@dcc.fc.up.pt>
Date: Fri, 18 Jan 2013 14:33:41 +0000
Subject: [PATCH] don't rset RO flags

---
 pl/qly.yap | 1 +
 1 file changed, 1 insertion(+)

diff --git a/pl/qly.yap b/pl/qly.yap
index ff5f6277b..41f9bde52 100755
--- a/pl/qly.yap
+++ b/pl/qly.yap
@@ -137,6 +137,7 @@ save_program(File, _Goal) :-
 	X \= language,
 	X \= readline,
 	X \= timezone,
+	X \= tty_control,
 	X \= user_input,
 	X \= user_output,
 	X \= user_error,