When act_begin() and act_commit() are used, we also need an act_busy() to protect the meta-actor from re-entrancy.  This is because we are modeling a meta-actor as a collection of primitive actors.
When act_begin() and act_commit() are used, we also need an act_busy() to protect the meta-actor from re-entrancy.  This is because we are modeling a meta-actor as a collection of primitive actors.

organix/tart,organix/tart