https://bugs.winehq.org/show_bug.cgi?id=39297
--- Comment #17 from Hin-Tak Leung htl10@users.sourceforge.net --- BTW, the nls file format seems to be undocumented, and wine therefore cannot/does not make use of them, but that's the subject matter of bug 39298 - "kernel32 does not support custom nls installation".