[issue44152] .isupper() does not support Polytonic Greek (but .islower() does)

Serhiy Storchaka added the comment: Are you sure that all characters in Δημοϲθενικοί are upper-case letters? Because this is what the isupper() method tests. -- nosy: +serhiy.storchaka ___ Python tracker

[issue44152] .isupper() does not support Polytonic Greek (but .islower() does)

New submission from E G : Δημοϲθενικοί starts with an upper-case delta. 'Δημοϲθενικοί'.isupper() should yield "True". Ἀεὶ also fails this test: it begins with a capital Alpha with a breathing. εἰϲ is properly parsed: isupper() is False and islower() is True. Despite the problem with