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$NetBSD: patch-ad,v 1.1.1.1 2000/02/20 14:40:35 dmcmahill Exp $
--- /dev/null Sun Feb 20 09:00:11 2000
+++ yacas.sh.in Sun Feb 20 09:07:01 2000
@@ -0,0 +1,20 @@
+#!/bin/sh
+
+# save the tty settings
+stty -a | grep "\-extproc" 2>&1 > /dev/null
+if [ $? = 0 ]; then
+ OLD=-extproc
+else
+ OLD=extproc
+fi
+#OLD=`stty -g`
+
+# make sure one critical tty setting is correct
+stty -extproc
+
+# run yacas
+@prefix@/bin/yacas $*
+
+# restore the tty setting
+stty $OLD
+
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