Comment #11 on issue 155 by atdi...@gmail.com: If width or height is zero,
the rest of bounds are reset.
I agree it doesn't sound like a contract change. His comment seemed to
suggest some clients were broken by the change:
"Reverting r923 since it was a breaking change. It will need to be redone
Seems that some apps were making use of this behaviour."
Piccolo2D Developers Group: http://groups.google.com/group/piccolo2d-dev?hl=en