I've started working on the documentation at:
http://minnow.cc.gatech.edu/squeak/3871

There currently is an implementation for macintosh os-x and  os-9 (or  
earlier).
It is dependent on the Areithfa Ffenestri work.

--
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John M. McIntosh <johnmci at smalltalkconsulting.com> 1-800-477-2659
Corporate Smalltalk Consulting Ltd.  http://www.smalltalkconsulting.com
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