Comment #8 on issue 164 by heue...@gmail.com: PNode#moveToFront change to avoid java.util.ConcurrentModificationException
http://code.google.com/p/piccolo2d/issues/detail?id=164
OK if we mark as WontFix then? -- Piccolo2D Developers Group: http://groups.google.com/group/piccolo2d-dev?hl=en