From: "ujihisa ." Date: 2010-06-07T13:25:51+09:00 Subject: [ruby-core:30629] [RubySpec #3401] arrays containing them selves do not apply == sensibly. Issue #3401 has been updated by ujihisa .. FYI ruby 1.9 changed this behavior $ ruby193 -ve 'a=[:a];a<