Rendering widget inside widget?

I had the idea to render a widget inside a widget; unfortunately, this seems to trigger some sort of infinite loop that repeats the widget about as far as my scrollbar will allow. Is it possible to render a widget inside a widget? I don’t see why not… so is this a bug?

I needed to do something similar and came up with this solution. Maybe it will help.

http://www.yiiframework.com/forum/index.php?/topic/2731-nested-widgets-an-idea