+(deftest sdstl.1 (string-delimited-string-to-list "ab|cd|ef" "|a")
+ ("ab|cd|ef"))
+(deftest sdstl.2 (string-delimited-string-to-list "ab|cd|ef" "|")
+ ("ab" "cd" "ef"))
+(deftest sdstl.3 (string-delimited-string-to-list "ab|cd|ef" "cd")
+ ("ab|" "|ef"))
+(deftest sdstl.4 (string-delimited-string-to-list "ab|cd|ef" "ab")
+ ("" "|cd|ef"))
+