Benjamin Peterson added the comment: The full case mappings do not preserve normalization form.
>>> for c in 'ΰ'.upper().lower(): print(unicodedata.name(c)) ... GREEK SMALL LETTER UPSILON COMBINING DIAERESIS COMBINING ACUTE ACCENT >>> unicodedata.normalize('NFC', 'ΰ'.upper().lower()) == 'ΰ' True ---------- _______________________________________ Python tracker <rep...@bugs.python.org> <http://bugs.python.org/issue12736> _______________________________________ _______________________________________________ Python-bugs-list mailing list Unsubscribe: https://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com