http://bugs.winehq.org/show_bug.cgi?id=21131
--- Comment #9 from Vitaliy Margolen vitaliy@kievinfo.com 2010-02-18 18:57:28 --- Just test it from within cmd to not fight with *NIX shell:
------XP: C:>cmd /c echo "&" "&"
C:> ------Wine: C:>cmd /c echo "&" Echo is ON
C:>