public <T extends Widget> T add(T child, Coord c) {
child.c = c;
if (child instanceof Window) {
try {
Window wnd = (Window) child;
if (Window.persistentwnds.contains(wnd.cap.text))
child.c = Utils.getprefc(wnd.cap.text + "_c", c);
} catch (Exception e) {
}
}
return (add(child));
}
