Hi. First thanks for the answers. > I'd say that even if descr-branch doesn't make it into 2.2, it will > make it into the next release, so by all means study the design and > tell me if it has any problems for Jython! Yup. I will do that as soon as I have time to do it seriously. I imagine that you need such kind of feedback at least before 2.2 goes beta. Samuele Pedroni.