I was using a Python script that involved the str.upper() and str.lower() functions when I stumbled upon a strange result. When I passed the letter ᾉ (capital alpha with dasia and prosgegrammeni, U+1F89) to the upper() function, the result was ἉΙ instead of the expected ᾉ. Code to reproduce: print('ᾉ'.upper()) Prints ἉΙ Is this an expected behavior or a bug of some sort? Edit: I replaced with the correct characters. Continue reading...
