http://bugs.winehq.org/show_bug.cgi?id=9325
--- Comment #5 from Mikolaj Zalewski mikolaj.zalewski@gmail.com 2007-08-19 14:44:52 --- Could you write something more how to recreate the bug? In a Ubuntu 7.04 in System > Preferences I changed the keyboard layout to Slovakia > qwerty or Slovakia > Extended Backspace, run "wine notepad" (I've even tried "LC_ALL=sk wine notepad") and the delete key worked fine.
In what program do you have a problem? What distribution are you using?