[nas] NAS 1.4.2d (devel) is available

[Jon Trulson]

	on http://radscan.com/nas.html

	The big change is an attempt at threadsafety for libaudio.

1.4.2d  11/25/2001

	- implemented locking in libaudio via Xthread mutexes.  This
is kind of a big change, but the result should be a threadsafe
libaudio.  I used Xthreads, because then theoretically I shouldn't
have to care about the system's actual thread implementation.  I've
tested so far on Linux (uses pthread_*) and Unixware 2.03 (uses
thr_*).  So far so good.  Let me know if you run into a problem,
but you probably never will. ;-)

	- bumped up the libaudio rev to 2.2

-- 
Jon Trulson    mailto:jon at radscan.com
ID: 1A9A2B09, FP: C23F328A721264E7 B6188192EC733962
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