http://bugs.winehq.org/show_bug.cgi?id=13974
--- Comment #9 from zoby ezoby@click21.com.br 2008-07-12 14:04:56 --- ~$ locale LANG=pt_BR LC_CTYPE="pt_BR" LC_NUMERIC="pt_BR" LC_TIME="pt_BR" LC_COLLATE=C LC_MONETARY="pt_BR" LC_MESSAGES="pt_BR" LC_PAPER="pt_BR" LC_NAME="pt_BR" LC_ADDRESS="pt_BR" LC_TELEPHONE="pt_BR" LC_MEASUREMENT="pt_BR" LC_IDENTIFICATION="pt_BR" LC_ALL=
But the bug is the same if /etc/profile.d/lang.sh export LANG=en_US or export LANG=pt_BR or LANG=en_US.ISO8859-1 etc.
I can't reproduce the problem now because I has downgraded to wine-0.9.58, which haven't this bug.
But anyone, yourself, can. If using wine > 0.9.60, open a Windows program and a popup window to search, replace or other and type: ç é ö ä or anyone accented letter.