http://bugs.winehq.org/show_bug.cgi?id=21131
--- Comment #6 from Dan Kegel dank@kegel.com 2010-02-18 09:05:09 --- That's incorrect; Unix is stripping your quotes. The correct test case from the commandline would be something like $ wine cmd /c echo '"&"' but the output for that is bizarre: "&" perhaps we do have a bug.