I presented a very similar implementation here: http://lisp-univ-etc.blogspot.com/2016/05/improving-lisp-ux-one-form-at-time.html http://lisp-univ-etc.blogspot.

I presented a very similar implementation here: http://lisp-univ-etc.blogspot.com/2016/05/improving-lisp-ux-one-form-at-time.html http://lisp-univ-etc.blogspot.com/2016/05/improving-lisp-ux-... Still, a lot of interesting questions remain, which are discussed here: http://lisp-univ-etc.blogspot.com/2016/05/improving-lisp-ux-one-form-at-time.html#comment-2682947352 http://lisp-univ-etc.blogspot.com/2016/05/improving-lisp-ux-...