[issue5513] "What's New" should say VERY CLEARLY that the type file is gone

[Benjamin Peterson]

Benjamin Peterson <benjamin at python.org> added the comment:

It might be helpful to provide a table in the open() docs saying what
classes in io exactly are returned for different modes.

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nosy: +benjamin.peterson

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue5513>
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