https://bugs.winehq.org/show_bug.cgi?id=9583
--- Comment #24 from Virgo Pärna virgo@gaiasoft.ee ---
00C1 ; [.0A15.0020.0008.0041][.0000.0032.0002.0301] # LATIN CAPITAL LETTER A WITH ACUTE; QQCM
Öfcause Ä is actually 00C4 ; [.0A15.0020.0008.0041][.0000.0047.0002.0308] # LATIN CAPITAL LETTER A WITH DIAERESIS; QQCM
Anyway, collation_table gives 0x0A150151 for both A and Ä.