Since matz actually still mentions rbison from time to time :), I decided to 
release a new verson, 0.0.6. It fixes a nasty bug that sometimes occurred 
with arrays and actions. A few other minor things fixed. Seems to work just 
fine with ruby 1.6.1 and bison 1.28. Hope it helps someone.

http://www.cs.umass.edu/~aseltine/rbison.html

Jon
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_______________________________________________________________________
  Jonathan Aseltine     aseltine / cs.umass.edu     MAS, Umass, Amherst