@@ -27990,7 +27990,8 @@ href="?audio">audio</a> test instead.)</p></pre>
2799027990 data-x="attr-iframe-sandbox-allow-pointer-lock">allow-pointer-lock</code>, <code
2799127991 data-x="attr-iframe-sandbox-allow-popups">allow-popups</code>, <code
2799227992 data-x="attr-iframe-sandbox-allow-popups-to-escape-sandbox">allow-popups-to-escape-sandbox</code>,
27993- <code data-x="attr-iframe-sandbox-allow-same-origin">allow-same-origin</code>, <code
27993+ <code data-x="attr-iframe-sandbox-allow-presentation">allow-presentation</code>, <code
27994+ data-x="attr-iframe-sandbox-allow-same-origin">allow-same-origin</code>, <code
2799427995 data-x="attr-iframe-sandbox-allow-scripts">allow-scripts</code>, and <code
2799527996 data-x="attr-iframe-sandbox-allow-top-navigation">allow-top-navigation</code>.</p>
2799627997
@@ -28006,11 +28007,13 @@ href="?audio">audio</a> test instead.)</p></pre>
2800628007 data-x="attr-iframe-sandbox-allow-orientation-lock">allow-orientation-lock</code>, <code
2800728008 data-x="attr-iframe-sandbox-allow-pointer-lock">allow-pointer-lock</code>, <code
2800828009 data-x="attr-iframe-sandbox-allow-popups">allow-popups</code>, <code
28010+ data-x="attr-iframe-sandbox-allow-presentation">allow-presentation</code>, <code
2800928011 data-x="attr-iframe-sandbox-allow-scripts">allow-scripts</code>, and <code
2801028012 data-x="attr-iframe-sandbox-allow-popups-to-escape-sandbox">allow-popups-to-escape-sandbox</code>
2801128013 keywords re-enable forms, modal dialogs, screen orientation lock, the pointer lock API, popups,
28012- scripts, and the creation of unsandboxed <span>auxiliary browsing contexts</span> respectively.
28013- <ref spec=POINTERLOCK> <ref spec=SCREENORIENTATION></p>
28014+ the presentation API, scripts, and the creation of unsandboxed <span>auxiliary browsing
28015+ contexts</span> respectively. <ref spec=POINTERLOCK> <ref spec=SCREENORIENTATION> <ref
28016+ spec=PRESENTATION></p>
2801428017
2801528018 <p class="warning">Setting both the <code
2801628019 data-x="attr-iframe-sandbox-allow-scripts">allow-scripts</code> and <code
@@ -79543,7 +79546,15 @@ callback <dfn>FrameRequestCallback</dfn> = void (<span>DOMHighResTimeStamp</span
7954379546
7954479547 </dd>
7954579548
79546- </dl>
79549+ <dt>The <dfn>sandboxed presentation browsing context flag</dfn></dt>
79550+
79551+ <dd>
79552+
79553+ <p>This flag disables the Presentation API. <ref spec=PRESENTATION></p>
79554+
79555+ </dd>
79556+
79557+ </dl>
7954779558
7954879559 <p>When the user agent is to <dfn>parse a sandboxing directive</dfn>, given a string <var>input</var>, a <span>sandboxing flag set</span> <var>output</var>, and
7954979560 optionally an <var>allow fullscreen flag</var>, it must run the following steps:</p>
@@ -79630,6 +79641,11 @@ callback <dfn>FrameRequestCallback</dfn> = void (<span>DOMHighResTimeStamp</span
7963079641 data-x="attr-iframe-sandbox-allow-orientation-lock">allow-orientation-lock</code></dfn>
7963179642 keyword.</p></li>
7963279643
79644+ <li><p>The <span>sandboxed presentation browsing context flag</span>, unless <var>tokens</var>
79645+ contains the <dfn><code
79646+ data-x="attr-iframe-sandbox-allow-presentation">allow-presentation</code></dfn>
79647+ keyword.</p></li>
79648+
7963379649 </ul>
7963479650
7963579651 </li>
@@ -116006,6 +116022,7 @@ interface <dfn>External</dfn> {
116006116022 "<code data-x="attr-iframe-sandbox-allow-pointer-lock">allow-pointer-lock</code>",
116007116023 "<code data-x="attr-iframe-sandbox-allow-popups">allow-popups</code>",
116008116024 "<code data-x="attr-iframe-sandbox-allow-popups-to-escape-sandbox">allow-popups-to-escape-sandbox</code>",
116025+ "<code data-x="attr-iframe-sandbox-allow-presentation">allow-presentation</code>",
116009116026 "<code data-x="attr-iframe-sandbox-allow-same-origin">allow-same-origin</code>",
116010116027 "<code data-x="attr-iframe-sandbox-allow-scripts">allow-scripts</code> and
116011116028 "<code data-x="attr-iframe-sandbox-allow-top-navigation">allow-top-navigation</code>"
@@ -118009,6 +118026,9 @@ INSERT INTERFACES HERE
118009118026 <dt id="refsPPUTF8">[PPUTF8]</dt>
118010118027 <dd>(Non-normative) <cite><a href="http://www.sw.it.aoyama.ac.jp/2012/pub/IUC11-UTF-8.pdf">The Properties and Promises <!-- Promizes (sic) --> of UTF-8</a></cite>, M. Dürst. University of Zürich. In <cite>Proceedings of the 11th International Unicode Conference</cite>.</dd>
118011118028
118029+ <dt id="refsPRESENTATION">[PRESENTATION]</dt>
118030+ <dd><cite><a href="https://w3c.github.io/presentation-api/">Presentation API</a></cite>, M. Foltz, D. Röttsches. W3C.</dd>
118031+
118012118032 <dt id="refsPSL">[PSL]</dt>
118013118033 <dd><cite><a href="https://publicsuffix.org/">Public Suffix List</a></cite>.
118014118034 Mozilla Foundation.</dd>