[3.15] gh-155292: Don't consider Unicode codepoint attributes outside RFC 3454 (GH-155293) - #156017
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…RFC 3454 (pythonGH-155293) Due to a bug, some Unicode codepoint attributes were considered for characters not yet defined in Unicode 3.2.0 or attributes which changed in later Unicode versions. RFC 3454 (StringPrep) requires using Unicode 3.2.0 strictly. (cherry picked from commit 7e109d0) Co-authored-by: Seth Larson <seth@python.org> Co-authored-by: Stan Ulbrych <89152624+stanfromireland@users.noreply.github.com> Co-authored-by: Petr Viktorin <encukou@gmail.com>
This was referenced Aug 18, 2026
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Due to a bug, some Unicode codepoint attributes were considered
for characters not yet defined in Unicode 3.2.0 or attributes
which changed in later Unicode versions. RFC 3454 (StringPrep)
requires using Unicode 3.2.0 strictly.
(cherry picked from commit 7e109d0)
Co-authored-by: Seth Larson seth@python.org
Co-authored-by: Stan Ulbrych 89152624+stanfromireland@users.noreply.github.com
Co-authored-by: Petr Viktorin encukou@gmail.com