ruby dev.elWith those config lines above, whenever you edit some Ruby code (or M-x turn-on-ruby-dev), it will enable the ruby-dev minor mode. Note that it is very new, so it might have some rough edges. Evaluating Code Starting simple, there's C-c C-s. Press that then say: 5+3. In the minibuffer, at the bottom, you'll see an 8. As soon as you do any code evaluation, a Ruby process will start inside Emacs wit
