[1] Web Applications 1.0 r5633 Allow role=presentation everywhereFixing http://www.w3.org/Bugs/Public/show_bug.cgi?id=10919 ( ( 版)) <http://html5.org/tools/web-apps-tracker?from=5632&to=5633>
[2] Bug 10919 – Allow role="presentation" to override the default role of any element ( ( 版)) <http://www.w3.org/Bugs/Public/show_bug.cgi?id=10919>
[4] allow none on any element that allows presentation (@sideshowbarker著, ) <https://github.com/w3c/html-aria/commit/f36423affee6ed698976565a821bcb17879a2ae1>
[5] allow role=none on all elements which support role=presentation · Issue #78 · w3c/html-aria () <https://github.com/w3c/html-aria/issues/78>
[6] Update allowed roles for <hr> (scottaohara著, ) <https://github.com/w3c/html-aria/commit/1c719104aa729fb21adb6d96b9da7074f74ccefd>