From: Yukihiro Matsumoto Date: 2008-04-04T17:37:41+09:00 Subject: Re: RUBY_IMPLEMENTATION Hi, In message "Re: RUBY_IMPLEMENTATION" on Fri, 4 Apr 2008 12:06:20 +0900, Urabe Shyouhei writes: |> Probably we need to introduce a new constant to represent |> the implementation of the running VM. |No I don't think that's a bright idea. We need A WRITTEN SPECIFICATION |instead. Of course, a WRITTEN SPECIFICATION is a good thing to have. But the cost is not comparable to adding a single constant. Besides that, adding a constant would not spoil developers from accomplishing compatibility. matz.