In a recent note, Peter Relson said:

> Date:         Mon, 23 Oct 2006 08:02:08 -0400
> 
> I think you cannot have a refreshable module that is not reentrant, and I
> think refreshable implies must be read-only.
> 
A module that acquires a common work area, perhaps anchoring it with
name/token services, which is not concurrently usable, and performs
no other serialization, might be refreshable but not reentrant.

-- gil
-- 
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