Hi,
I think I found a bug in parenscript:
CL-USER> (ps (/ a (* b c)))
"a / b * c;"
I believe it should return "a / (b * c);".
Checking the mailing list archives I see there was a problem with this expression but it seems to have been fixed:
CL-USER> (ps (- x (- a b)))
"x - (a - b);"
Thanks!