* 関連

[SEE[ [[ASCII大文字・小文字不区別]] ]]

[SEE[ [[legacy-uppercased-byte less than]] ]]

[5] [[ASCIIラベル]]の比較と等価です。

* 歴史

[1] [CITE@en-US[Fetch Standard]]
([TIME[2015-03-30 21:58:14 +09:00]] 版)
<https://fetch.spec.whatwg.org/#byte-case-insensitive>

[2] [CITE@en[Stop lowercasing header names]]
([[annevk]]著, [TIME[2017-02-22 20:01:22 +09:00]])
<https://github.com/whatwg/fetch/commit/5869c43a27fff06c6dfc228fe1288018f7f2168d>

[3] [CITE@en[Define byte-case-insensitive]]
([[annevk]]著, [TIME[2017-03-17 20:18:03 +09:00]])
<https://github.com/whatwg/infra/commit/e7394ca6eac78df41256516a862f65b50844e70b>

[4] [CITE@en[Editorial: let Infra define byte-case-insensitive]]
([[annevk]]著, [TIME[2017-03-17 20:19:06 +09:00]])
<https://github.com/whatwg/fetch/commit/b59c72be6a0659394d0f11ae6846f51d3a990016>