conflict, and should be disallowed; currently the test for this is not
implemented.
-Allow __class__ assignment.
+Allow __class__ assignment (and __bases__ and __dict__?).
Make __dynamic__ the default.
Add __del__ handlers.
+Add __coerce__?
+
+Support pickling (via __reduce__?)
+
+Make inspect and pydoc do the right thing for new-style classes.
+
+Support mixed multiple inheritance from classic and new-style classes?
+
+Change __getattr__ to be more like classic __getattr__, and introduce
+a new name for new-style __getattr__?
+
Done (mostly)
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