[2] 符号化方式とは、 (En)coded(ing) scheme。読んで字の如く、符号化の方式のこと。
[3] 次の各項を参照。
[1] Describe the relationship between encodings and Unicode encoding schemes (hsivonen著, ) <https://github.com/whatwg/encoding/commit/6f9a41f3d9dbc7ba6d88f65f7ef1c139fb08d4be>
[4] Add an informative note about the relationship of encodings and Unicode encoding schemes by hsivonen · Pull Request #151 · whatwg/encoding () <https://github.com/whatwg/encoding/pull/151>