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bpo-37751: Document codecs.lookup() change in What's New in Python 3.9 (GH-23096)

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Hai Shi 2021-04-23 17:10:43 +08:00 committed by GitHub
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@ -1114,6 +1114,12 @@ Changes in the Python API
compatible classes that don't inherit from those mentioned types.
(Contributed by Roger Aiudi in :issue:`34775`).
* :func:`codecs.lookup` now normalizes the encoding name the same way as
:func:`encodings.normalize_encoding`, except that :func:`codecs.lookup` also
converts the name to lower case. For example, ``"latex+latin1"`` encoding
name is now normalized to ``"latex_latin1"``.
(Contributed by Jordon Xu in :issue:`37751`.)
Changes in the C API
--------------------