There is a tiny error in the Wiki. Could not correct, as the Wiki seems locked.
> If you split an existing Viewport Panel, it just duplicates it,
> without prompting you for a new Camera. At first glance, we should
> probably prompt you in this case, too.
It appears at least version 0.8.0.2, does not duplicate the camera any more. So the “should probably” is not meaningful anymore here, and the whole sentence should be removed.