+(deftest str.18 (delimited-string-to-list "ab|cd|ef" #\|)
+ ("ab" "cd" "ef"))
+(deftest str.19 (delimited-string-to-list "ab|cd|ef" #\| t)
+ ("ab" "cd" "ef"))
+(deftest str.20 (delimited-string-to-list "") (""))
+(deftest str.21 (delimited-string-to-list "" #\space t) (""))
+(deftest str.22 (delimited-string-to-list "ab") ("ab"))
+(deftest str.23 (delimited-string-to-list "ab" #\space t) ("ab"))
+(deftest str.24 (delimited-string-to-list "ab|" #\|) ("ab" ""))
+(deftest str.25 (delimited-string-to-list "ab|" #\| t) ("ab"))
+
+(deftest apsl.1 (append-sublists '((a b) (c d))) (a b c d))
+(deftest apsl.2 (append-sublists nil) nil)
+(deftest apsl.3 (append-sublists '((a b))) (a b))
+(deftest apsl.4 (append-sublists '((a))) (a))
+(deftest apsl.5 (append-sublists '((a) (b) (c d (e f g)))) (a b c d (e f g)))
+