There was shampoo, an emacs mode for Smalltalk. It's still on github [1] but the old project home page [2] is now gone. I recall that homepage had a convincing

There was shampoo, an emacs mode for Smalltalk. It's still on github [1] but the old project home page [2] is now gone. I recall that homepage had a convincing screenshot. [1] https://github.com/dmatveev/shampoo-emacs https://github.com/dmatveev/shampoo-emacs [2] http://dmitrymatveev.co.uk/shampoo/ http://dmitrymatveev.co.uk/shampoo/