"English and other languages include some special typographical
characters in addition to the normal 26 letters. Have you ever
watched the movie Æon Flux or sent in a curriculum
vitæ? If you have to import German text, you'll find lots of
vowels with an umlaut on them, and some ß characters as well.
Spanish adds ň and acute accents to the mix, and French has
grave and circumflex accents ("pie à la mode," anybody?)...
You don't need Unicode for Standard English: you can do perfectly
well with ASCII characters..."