While reading the ruby source code, I found an interesting trivia
nugget about module mix-in semantics, and that it appears to be subtly
changing in 1.9.

I hadn't seen mention of this change anywhere, so I wrote about it today.

http://talklikeaduck.denhaven2.com/articles/2006/10/09/a-subtle-change-to-mixin-semantics-in-ruby-1-9

-- 
Rick DeNatale

My blog on Ruby
http://talklikeaduck.denhaven2.com/