it looks like this is a known limitation/bug in the current code.. this bug was filed-and-closed with a note that it's not implemented.
https://projects.blender.org/tracker/?func=detail&atid=498&aid=35090&group_id=9 _______________________________________________ Bf-committers mailing list [email protected] http://lists.blender.org/mailman/listinfo/bf-committers
