Documentation of 2.x indicating what will be gone in 3.x?

[Matt Bowcock]

On Oct 12, 8:21 pm, Peng Yu <pengyu... at gmail.com> wrote:
> Hi,
>
> I'm wondering if there is a document for 2.x indicating what will be
> gone in 3.x. For example, I heard that __cmp__ be not available in
> Python 3. But I don't see it inhttp://docs.python.org/reference/datamodel.html.
>
> Regards,
> Peng

'Dive into Python 3' has a section on converting code from v2 to v3.
There is a fairly comprehensive list of what's changing.

http://diveintopython3.org/porting-code-to-python-3-with-2to3.html

I think there is a python.org page with similar information but I
can't find it.