------------8F1F1751CF2A803
Content-Type: text/plain; charset=windows-1252
Content-Transfer-Encoding: 8bit

Why does "YYY" get printed out here?

- - -

class XXX
end

x  XX.new

case x.class
when XXX
  puts "XXX"
else
  puts "YYY"   # surprise!
end
------------8F1F1751CF2A803--