http://bugs.winehq.org/show_bug.cgi?id=11281
--- Comment #28 from Paul "TBBle" Hampson Paul.Hampson@Pobox.com 2009-05-10 03:20:49 --- (In reply to comment #27)
Also the ability to input Japanese characters into the test application in English locale is somewhat odd.
The edit control used by the test application (and Wine's notepad, I believe) is unicode-enabled (wide chars), so it's supposed to work irrespective of locale, modulo font settings (which can be made to work irrespective of locale) and the fact that the test application sends SJIS text into the control via the ANSI character interface, which gets mangled when the locale ANSI charset is not SJIS, which is the point of the application, as I understand its description here. (See comment 17 for more detail on the charset issue)
That should be a different bug, this bug is already much too multipronged as it is.