[issue39337] codecs.lookup() ignores non-ASCII characters, whereas encodings.normalize_encoding() copies them

[hai shi]

Change by hai shi <shihai1991 at 126.com>:


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pull_requests: +18424
pull_request: https://github.com/python/cpython/pull/19069

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Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue39337>
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