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gh-81548: Deprecate octal escape sequences with value larger than 0o377 (GH-91668)

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Serhiy Storchaka 2022-04-30 13:16:27 +03:00 • committed by GitHub
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Doc/reference/lexical_analysis.rst
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@ -596,6 +596,11 @@ Notes:
(1)
As in Standard C, up to three octal digits are accepted.
.. versionchanged:: 3.11
Octal escapes with value larger than ``0o377`` produce a :exc:`DeprecationWarning`.
In a future Python version they will be a :exc:`SyntaxWarning` and
eventually a :exc:`SyntaxError`.
(2)
Unlike in Standard C, exactly two hex digits are required.