[1] [CITE@en[Remove the context menu feature]]
([[domenic]]著, [TIME[2017-06-09 03:16:29 +09:00]])
<https://github.com/whatwg/html/commit/e7e8c88ecdd7cdc96171f05ab6fe23b56dd48d8a>

[2] [CITE@en[Remove "onhide" from obsolete attributes]]
([[a1626]]著, [TIME[2017-08-29 19:59:57 +09:00]])
<https://github.com/whatwg/html/commit/361207c9ab4555de7ba21cdd1181d7cea116c2a8>

[3] [CITE@en[Remove "onhide" from obsolete attributes · Issue #2860 · whatwg/html]]
([TIME[2017-08-30 19:04:12 +09:00]])
<https://github.com/whatwg/html/issues/2860>

[4] [CITE@en[Fixing #2860 (Remove "onhide" from obsolete attributes) by a1626 · Pull Request #2976 · whatwg/html]]
([TIME[2017-08-30 19:04:39 +09:00]])
<https://github.com/whatwg/html/pull/2976>