Hi, there
I found a bug. mkcl returns: (print (coerce "string" 'list)) ; => (#\g #\n #\i #\r #\t #\s) but CLHS http://clhs.lisp.se/Body/f_coerce.htm specifies `coerce` to return the same sequence as origin.
Because I couldn't find CONTRIBUTING file, I've attached my patch.
Bests