[4] ASCII小文字に変換は、逆方向の写像です。
[1] Web Applications 1.0 r7490 Use some new predefined terms for common character ranges. ( ( 版)) <http://html5.org/tools/web-apps-tracker?from=7489&to=7490>
[5] Editorial: leave ASCII case-insensitive to Infra (annevk著, ) <https://github.com/whatwg/html/commit/5f3f27bfdf0e0139f6cf5f22508f37710d917c00>
[6] Editorial: make use of the Infra Standard (annevk著, ) <https://github.com/whatwg/dom/commit/bb2890beed2be14d2f7633ec89e2bbb88ec7fdcd>
[7] Breaking: adjust some code point definitions (annevk著, ) <https://github.com/whatwg/infra/commit/aa38c291fc978252751a9c9942c382e879d0985e>
[8] Regression: fix the definition of ASCII lower/upper alpha (xfq著, ) <https://github.com/whatwg/infra/commit/18bddb5fc16f0c43fc0d351d0ce9e23327d59d4d>
[9] Breaking: stop treating alpha and alphanumeric as mass nouns (annevk著, ) <https://github.com/whatwg/infra/commit/4707bf7b3d8b5b6314ee3dabd29856011eebbb00>
[10] Editorial: use more terms from the Infra Standard (annevk著, ) <https://github.com/whatwg/html/commit/104bd78697738af2eab61740a2f1421ae49a3c95>