lib/scripts/getsettings

--- a/lib/scripts/getsettings	Tue Jan 07 09:05:26 1997 +0100
+++ b/lib/scripts/getsettings	Tue Jan 07 09:06:01 1997 +0100
@@ -12,4 +12,7 @@
 . $ISABELLE_HOME/etc/settings || exit 2
 [ -f $ISABELLE_HOME_USER/etc/settings ] && . $ISABELLE_HOME_USER/etc/settings
 
+ISABELLE=$ISABELLE_HOME/bin/isabelle
+ISATOOL=$ISABELLE_HOME/bin/isatool
+
 set +o allexport