http://bugs.winehq.org/show_bug.cgi?id=9588
--- Comment #15 from Dan Kegel dank@kegel.com 2007-12-19 20:45:12 --- Created an attachment (id=9708) --> (http://bugs.winehq.org/attachment.cgi?id=9708) Screenshot of remaining misbehavior
The bug isn't quite fixed - the area to the left of lines of text isn't redrawn at all on expose, so it lets the background through.