The Python 3 language syntax has been frozen until June 2011 under a moratorium imposed by Guido Van Rossum, Python's creator and BDFL (Benevolent Dictator For Life). The moratorium, proposed at the end of October, is now defined in PEP3003 and sets out what is not to change in future Python 3 versions.

The idea behind the moratorium is to make Python 3.x a more stable branch of the Python language which, it is believed, will allow more Python developers to switch from Python 2 to the new version of the language. Adoption of Python 3 has been slow with many major packages such as PyGTK, mYSQLdb and Numeric Python not having been ported to Python 3, keeping developers who use those libraries on Python 2.x...

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