http://bugs.winehq.org/show_bug.cgi?id=17182
--- Comment #3 from Miro Hadzhiev extigyro@gmail.com 2009-01-29 06:14:11 --- (In reply to comment #1)
Does your system really has the bg_BG.CP1251 locale? Most likely it's bg_BG.UTF-8. Try for instance 'LANG=bg_BG.CP1251 xev' and see if it works.
Yes, it works. Or I suppose so. I attached the output in the console.