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Mon Feb 20 22:18:14 CET 2006 · https://mail.python.org/pipermail/python-dev/2006-February/061517.html

On 2/20/06, Ian Bicking <ianb at colorstudy.com> wrote:
> Would it be deprecated in 2.*, or start deprecating in 3.0?

3.0 will have no backwards compatibility allowances. Whenever someone
says "remove this in 3.0" they mean exactly that. There will be too
many incompatibilities in 3.0 to be bothered with deprecating them
all; most likely we'll have to have some kind of (semi-)automatic
conversion tool.

Deprecation in 2.x is generally done to indicate that a feature will
be removed in 2.y for y >= x+1.

--
--Guido van Rossum (home page: http://www.python.org/~guido/)

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[Python-Dev] defaultdict proposal round three