For what it's worth, I had no trouble at all. My mozilla 1.0 has a user agent string that identifies it as "Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.0.0) Gecko/20020530" running on XP Professional. Looks like a platform-dependent (or site-dependent) problem.

print@_{sort keys %_},$/if%_=split//,'= & *a?b:e\f/h^h!j+n,o@o;r$s-t%t#u'