PG=khint
case $PUBKIN in
	"")	echo "($PG) <PUBKIN not defined>";exit 69;;
	*)	cd $PUBKIN/MAN;;
esac
case $# in
	0)	{
		echo "SUBJECTS KNOWN TO KHINT";
		echo *.ref
		} |more;exit 0;;
	*)	;;
esac
case $1 in
	-h|help|hint)	clear;khint.x -h;exit 0;;
esac
exec khint.x "$@"