> This would require filenames became valid utf-8. No, it wouldn't; you'd just get EINVAL if you pass a filename containing "\x20" to open or other syscalls. I

> This would require filenames became valid utf-8. No, it wouldn't; you'd just get EINVAL if you pass a filename containing "\x20" to open or other syscalls. If a application wants to use "\xC2\xA0" in a filename, it can do that, or it can not do that, same as currently. Same applies if it wants to use, say, "\xAA\xFF".