vValue PointerRow(vWindow win) {
public vValue PointerRow(vWindow win) {
vValue PointerRow(vWindow win) {	// return row number of mouse    FontMetrics m = win.getFontMetrics();    int leading = win.Leading();    int a = m.getMaxAscent();    if (leading == 0) {	iRuntime.error(204);	// this is what v9 does: real division by 0    }    return vInteger.New((win.getCanvas().yloc - a) / leading + 1);}