+(deftest sse.1 (string-strip-ending "" nil) "")
+(deftest sse.2 (string-strip-ending "abc" nil) "abc")
+(deftest sse.3 (string-strip-ending "abc" "ab") "abc")
+(deftest sse.4 (string-strip-ending "abc" '("ab")) "abc")
+(deftest sse.5 (string-strip-ending "abcd" '("a" "cd")) "ab")
+