Applies a due event's act to its row when no token was built for it (emission off, the opt-out gate, or no stream covering the subject), so the register still follows the act.
Optional
a descriptor observe() or observeAct() returned
observe()
observeAct()
Applies a due event's act to its row when no token was built for it (emission off, the opt-out gate, or no stream covering the subject), so the register still follows the act.