[1] [CITE@en[(X)HTML5 Tracking]]
([TIME[2009-10-15 07:53:47 +09:00]] 版)
<http://html5.org/tools/web-apps-tracker?from=4141&to=4142>

[2] [CITE@en[Add the onloadend content and IDL event handler attribute]]
([[domenic]]著, [TIME[2016-07-15 05:43:53 +09:00]])
<https://github.com/whatwg/html/commit/79ae99fe5bc2026301cb5b539588e29aac67a0e1>