-- This Ada package specification adds palindrome checking, -- removal of non-letters, and transforming to upper and lower case -- to the word package. package WordPkg.Pals is function isPal(w: Word) return Boolean; function toUpper(w: Word) return Word; function removeNonLetter(w: Word) return Word; procedure toUpper(w: in out Word); procedure removeNonLetter(w: in out Word); end WordPkg.Pals;