 As with letters, the value of diacritics is language-dependent.English is the only major modern European language requiring no diacritics for native words (although a diaeresis may be used in words such as "coöperation").Some modified letters, such as the symbols , , and , may be regarded as new individual letters in themselves, and assigned a specific place in the alphabet for collation purposes, separate from that of the letter on which they are based, as is done in Swedish.