Forwarded from the newsgroup by Michael: giving a count before '.' to
rest many turns wouldn't be interrupted by having levitation end (despite
autopickup taking place at the time, which is what the thread is about but
not all that relevant to this particular issue). Stopping counted activity
is easy, so that's all I've done. Stopping a timed occupation would be a
lot harder due to message sequencing; I'm not going to attempt it.
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