In 2.1.3.59-516f7, the 'continue' in 'while loop' throw exception. It's OK in stable-2.0.
========================code============================ (define i 0) (while (< i 20) (display i)(newline) (when (= i 11) (continue)) (set! i (1+ i))) ========================end============================= While compiling expression: ERROR: Throw to key `match-error' with args `("match" "no matching pattern" #<cps (kargs () () (continue 16 (prompt #t 46 14)))>)'.