The accumulate CE is excellent and a powerful alternative to defquery for the appropriate purposes. However, it seems only to work for single facts. If I have a conjunctive clause as the last argument, when I save from JessDE I get a "jess.group" error. The text file is saved so that when reading it back into JessDE, the same jess.group error occurs. Putting the same conjunctive clause in a defquery works as expected. I am using 7.0 b6 in both Windoews XP and Linux (SuSE 9.3 and 10.0).

--
Scott Moss
Professor of Social Simulation
Centre for Policy Modelling
Manchester Metropolitan University
Aytoun Building
Manchester M1 3GH

http://cfpm.org/~scott

(t) +44 (0)161 247 3886
(f) +44 (0)161 247 6802
(m) +44 (0)7740 942564
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