# define _CONCAT_ concat
#endif
+#if __HASKELL1__ > 4
+# define FMAP fmap
+# define ISALPHANUM isAlphaNum
+# define IOERROR ioError
+# define PSEQ seq
+# define SAPPLY $!
+#else
+# define FMAP map
+# define ISALPHANUM isAlphanum
+# define IOERROR fail
+# define PSEQ (\x y -> y)
+# define SAPPLY $
+#endif
+
#endif