The Unicode Standard, Version 5.0 [Repost]

"Hard copy versions of the Unicode Standard have been among the most crucial and most heavily used reference books in my personal library for years."
–Donald E. Knuth, The Art of Computer Programming
"For more than a decade, Unicode has been a foundation for many Microsoft products and technologies; Unicode Standard Version 5.0 will help us deliver important new benefits to users."
–Bill Gates, chairman, Microsoft Corporation