[1] ICU - International Components for Unicode () http://site.icu-project.org/
[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