isPrint :: Char -> Bool
-- | Returns 'True' for any Unicode space character, and the control
--- characters @\t@, @\\n@, @\\r@, @\\f@, @\\v@.
+-- characters @\\t@, @\\n@, @\\r@, @\\f@, @\\v@.
isSpace :: Char -> Bool
-- isSpace includes non-breaking space
-- Done with explicit equalities both for efficiency, and to avoid a tiresome