* 仕様書

[REFS[
- [1] [CITE@en-US-x-hixie[HTML Standard]] ([TIME[2012-12-31 05:55:07 +09:00]] 版) <http://www.whatwg.org/specs/web-apps/current-work/#serializing-html-fragments>
]REFS]

* 定義

[2] >>1 では [CODE(DOMi)@en[[[Document]]]], [CODE(DOMi)@en[[[Element]]]], [CODE(DOMi)@en[[[DocumentFragment]]]]
の[[子孫]]の[[直列化]]が規定されています。

* 文脈

[FIG(short list)[ [6] [[HTML直列化器]]が呼び出される場面
- [CODE[innerHTML]]
- [CODE[outerHTML]]
- [CODE[XMLSerializer]]
]FIG]

* 歴史

[3] [CITE@en[XSLT and XQuery Serialization 3.1]]
([TIME[2017-03-20 12:35:18 +09:00]])
<https://www.w3.org/TR/2017/REC-xslt-xquery-serialization-31-20170321/#html-output>

[4] [CITE@en[Update customized built-in elements is="" interaction]]
([[domenic]]著, [TIME[2018-02-14 11:31:01 +09:00]])
<https://github.com/whatwg/html/commit/e5dc6bf18f356225d90decc47ac6ed3be94728a7>

[5] [CITE@en[Update customized built-in elements is="" interaction by domenic · Pull Request #3444 · whatwg/html]]
([TIME[2018-02-17 23:06:18 +09:00]])
<https://github.com/whatwg/html/pull/3444>