1. International Components for Unicode (non locale data) ICU is a C++ and C library that provides robust and full-featured Unicode and locale support. The library provides calendar support, character set conversions, language-sensitive collation, date and time formatting, support for more than 140 locales, message catalogs and resources, message formatting, normalization, number and currency formatting, time zones support, transliteration, word, line and sentence breaking, etc.... This package contains the Unicode data, converters and aliases data, and timezone data. It also contains the tools needed to manipulate these data. From Debian 3.0r0 APT