But, well, what I did is certainly uncommon usage scenario. People usually do not change #basicNew/#basicNew: or the Parser/Compiler/Encoder classes.

Yes, and we will make changing things deep in the system easier in the future (so people can change the compiler or debug the debugger without shooting themselves in the foot constantly). Marcus -- Marcus Denker  --  denker@acm.org http://www.marcusdenker.de