> Since the source code is incompatible, I was expecting the Python > executable to have a new name such as 'python3'
It does: the executable is called python3.0. > or for the default > source code filename to change to '.py3' or something. Such a proposal would be rejected. In a few years from now, Python 2 will be gone, and we would be stuck with an ugly file extension (similar to how \windows\system is now an empty directory, and \windows\system32 actually contains the 64-bit binaries on x64)- Regards, Martin -- http://mail.python.org/mailman/listinfo/python-list