+
+
+isSafeChar :: Char -> Bool
+isSafeChar c
+ | c == '/' = True
+ | isReserved c = False
+ | c > ' ' && c <= '~' = True
+ | otherwise = False
+
+
+mkQueryString :: [(String, String)] -> String
+mkQueryString [] = ""
+mkQueryString ((k, v) : xs) = encode k ++ "=" ++ encode v ++
+ if xs == [] then
+ ""
+ else
+ ';' : mkQueryString(xs)
+ where
+ encode :: String -> String
+ encode = escapeURIString isSafeChar . UTF8.encodeString
\ No newline at end of file