http://bugs.winehq.org/show_bug.cgi?id=16514
--- Comment #8 from Austin English austinenglish@gmail.com 2009-01-01 17:35:38 --- (In reply to comment #5)
It's probably because the content type of all pages being served by the AppDB have been changed to utf-8. Someone will need to write a patch to change it back to ISO-8859-1.
You'll break anything already changed to UTF-8.
It may be easier to update the database itself to UTF-8...