I can assure you that I have tested this particular bit of Bryce-candy extensively. It works just fine! 
My only gripe is that when you hit the [c] icon, the group keeps its original bounding box size. However, that is corrected when you re-import the item into Bryce.

Available on Amazon for the Kindle E-Reader

All the Woes of a World by Jonathan Icknield aka The Bryster

And in my final hours - I would cling rather to the tattooed hand of kindness - than the unblemished hand of hate...