Author Андрей Баксаляр
Recipients Arfrever, Jean-Michel.Fauth, Jim.Jewett, belopolsky, benjamin.peterson, ezio.melotti, gvanrossum, mrabarnett, pitrou, python-dev, tchrist, Андрей Баксаляр
Date 2016-03-10.17:37:31
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A same problem with the unicode case mapping is still present in the Python 3.4.3. You can repeat the bug with this code, for instance:

'ΰ'.upper().lower() == 'ΰ'

The case swapping is strangelly leads to character replacement:

b'\xce\xb0' → b'\xcf\x85\xcc\x88\xcc\x81'
Date User Action Args
2016-03-10 17:37:31Андрей Баксалярsetrecipients: + Андрей Баксаляр, gvanrossum, belopolsky, pitrou, benjamin.peterson, ezio.melotti, mrabarnett, Arfrever, Jean-Michel.Fauth, python-dev, tchrist, Jim.Jewett
2016-03-10 17:37:31Андрей Баксалярsetmessageid: <>
2016-03-10 17:37:31Андрей Баксалярlinkissue12736 messages
2016-03-10 17:37:31Андрей Баксалярcreate