* 仕様書

[REFS[
- [3] [CITE@en-US[Accessible Rich Internet Applications (WAI-ARIA) 1.1]] ([TIME[2017-09-14 21:02:18 +09:00]]) <https://w3c.github.io/aria/aria/aria.html#none>
]REFS]

* 歴史

[1] [CITE@en[Web Applications 1.0 r5633   Allow role=presentation everywhereFixing http://www.w3.org/Bugs/Public/show_bug.cgi?id=10919]]
( ([TIME[2010-10-14 19:19:00 +09:00]] 版))
<http://html5.org/tools/web-apps-tracker?from=5632&to=5633>

[2] [CITE[Bug 10919 – Allow role="presentation" to override the default role of any element]]
( ([TIME[2010-10-14 23:15:06 +09:00]] 版))
<http://www.w3.org/Bugs/Public/show_bug.cgi?id=10919>

[4] [CITE@en[allow none on any element that allows presentation]]
([[@sideshowbarker]]著, [TIME[2017-09-29 17:45:04 +09:00]])
<https://github.com/w3c/html-aria/commit/f36423affee6ed698976565a821bcb17879a2ae1>

[5] [CITE@en[allow role=none on all elements which support role=presentation · Issue #78 · w3c/html-aria]]
([TIME[2017-09-30 18:13:41 +09:00]])
<https://github.com/w3c/html-aria/issues/78>

[6] [CITE@en[Update allowed roles for <hr>]]
([[scottaohara]]著, [TIME[2017-12-21 13:10:31 +09:00]])
<https://github.com/w3c/html-aria/commit/1c719104aa729fb21adb6d96b9da7074f74ccefd>