Jeremy L. Moles>It's just an iterative way to say, "Okay, give me some default behavior for everything, and I'll come back around later and set the explicit handlers later."<
There's some correlation with the Null Object pattern: http://www.cs.oberlin.edu/~jwalker/nullObjPattern/ Bye, bearophile -- http://mail.python.org/mailman/listinfo/python-list