[1] ICU - International Components for Unicode () http://site.icu-project.org/
ICU is a mature, widely used set of C/C++ and Java libraries providing Unicode and Globalization support for software applications. ICU is widely portable and gives applications the same results on all platforms and between C/C++ and Java software.
Beginning with 2016-May-18, the ICU Technical Committee (ICU-TC) is one of several committees of the Unicode Consortium.
[4] Unicode Development () https://github.com/unicode-org
[6] 品質問題
[7] The Unicode Blog: Announcing ICU4X 1.0, , https://blog.unicode.org/2022/09/announcing-icu4x-10.html
[8] 関連記事: CNS 11643, locale_accept_from_http