To run: open a REPL in SBCL and run the following commands:
(require 'asdf)
(load "lispski.asd")
(asdf:load-system :lispski)
(in-package :lispski)
(ski-repl) ; Will run the actual repl for you
Example interaction:
> sksk
K
> ski(kis)
I
> skik
K
> ks(i(sksi))
S