I have a script I did a while ago that may help, see Re: Concurrent Processes.

I'd be interested to know if this is useful for you, or if there are any issues with it. (No one has commented on it in the nearly 2 years it's been posted, so either 1) no one has seen it, 2) it's useful, or 3) it doesn't help, and no one has complained.)

-QM
--
Quantum Mechanics: The dreams stuff is made of

In reply to Re: How to tell a child what to do? by QM
in thread How to tell a child what to do? by Eyck

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