From 1567ec5baa88df9b0edee272c6408c9772b661ff Mon Sep 17 00:00:00 2001
From: Liam Brady <blu2.5@me.com>
Date: Sun, 30 Apr 2023 12:39:25 +0000
Subject: [PATCH] Spec all permissions policy patches and integration (#74)

SHA: cc80a57269afc3f6b3a221e10f82ba46d0cc5e79
Reason: push, by domfarolino

Co-authored-by: github-actions[bot] <41898282+github-actions[bot]@users.noreply.github.com>
---
 index.html | 514 +++++++++++++++++++++++++++++++++++++++--------------
 1 file changed, 382 insertions(+), 132 deletions(-)

diff --git a/index.html b/index.html
index aa868ce3..aae83849 100644
--- a/index.html
+++ b/index.html
@@ -4,9 +4,9 @@
   <title>Fenced frame</title>
   <meta content="width=device-width, initial-scale=1, shrink-to-fit=no" name="viewport">
   <link href="https://www.w3.org/StyleSheets/TR/2021/cg-draft" rel="stylesheet">
-  <meta content="Bikeshed version bf22245b8, updated Tue Apr 18 15:53:37 2023 -0700" name="generator">
+  <meta content="Bikeshed version 3383f409d, updated Fri Apr 28 15:49:22 2023 -0700" name="generator">
   <link href="https://wicg.github.io/fenced-frame/" rel="canonical">
-  <meta content="0582b0e9cefe203fd1088c68153f84ff307a5dc5" name="document-revision">
+  <meta content="cc80a57269afc3f6b3a221e10f82ba46d0cc5e79" name="document-revision">
 <style>
 /* Put nice boxes around each algorithm. */
 [data-algorithm]:not(.heading) {
@@ -838,7 +838,7 @@
   <div class="head">
    <p data-fill-with="logo"><a class="logo" href="https://www.w3.org/"> <img alt="W3C" height="48" src="https://www.w3.org/StyleSheets/TR/2021/logos/W3C" width="72"> </a> </p>
    <h1 class="p-name no-ref" id="title">Fenced frame</h1>
-   <p id="w3c-state"><a href="https://www.w3.org/standards/types#CG-DRAFT">Draft Community Group Report</a>, <time class="dt-updated" datetime="2023-04-27">27 April 2023</time></p>
+   <p id="w3c-state"><a href="https://www.w3.org/standards/types#CG-DRAFT">Draft Community Group Report</a>, <time class="dt-updated" datetime="2023-04-30">30 April 2023</time></p>
    <div data-fill-with="spec-metadata">
     <dl>
      <dt>This version:
@@ -927,6 +927,11 @@ <h2 class="no-num no-toc no-ref" id="contents">Table of Contents</h2>
         <li><a href="#csp-algorithms"><span class="secno">3.2.2</span> <span class="content">Algorithms</span></a>
         <li><a href="#new-csp-directive"><span class="secno">3.2.3</span> <span class="content">New fenced-frame-src <span title="Content Security Policy Level 3">[CSP]</span> <span>directive</span></span></a>
        </ol>
+      <li>
+       <a href="#permissions-policy-changes"><span class="secno">3.3</span> <span class="content">Permissions Policies</span></a>
+       <ol class="toc">
+        <li><a href="#permissions-policy-patches"><span class="secno">3.3.1</span> <span class="content">Algorithm patches</span></a>
+       </ol>
      </ol>
     <li>
      <a href="#index"><span class="secno"></span> <span class="content">Index</span></a>
@@ -961,6 +966,7 @@ <h2 class="heading settled" data-level="1" id="the-fencedframe-element"><span cl
     <dd><a data-link-type="dfn" href="https://html.spec.whatwg.org/multipage/dom.html#global-attributes" id="ref-for-global-attributes">Global attributes</a>
     <dd><code><a data-link-type="dfn" href="https://html.spec.whatwg.org/multipage/embedder-content-other.html#attr-dim-width" id="ref-for-attr-dim-width">width</a></code> — Horizontal dimension
     <dd><code><a data-link-type="dfn" href="https://html.spec.whatwg.org/multipage/embedder-content-other.html#attr-dim-height" id="ref-for-attr-dim-height">height</a></code> — Vertical dimension
+    <dd><code><code><a data-link-type="element-sub" href="#element-attrdef-fencedframe-allow" id="ref-for-element-attrdef-fencedframe-allow">allow</a></code></code> — <a data-link-type="dfn" href="https://w3c.github.io/webappsec-permissions-policy#permissions-policy" id="ref-for-permissions-policy">Permissions policy</a> to be applied to the <code><a data-link-type="element" href="#elementdef-fencedframe" id="ref-for-elementdef-fencedframe">fencedframe</a></code>'s contents
     <dt><a data-link-type="dfn" href="https://html.spec.whatwg.org/multipage/dom.html#concept-element-accessibility-considerations" id="ref-for-concept-element-accessibility-considerations">Accessibility considerations</a>:
     <dd>
      <p class="XXX">TODO</p>
@@ -973,13 +979,14 @@ <h2 class="heading settled" data-level="1" id="the-fencedframe-element"><span cl
   [<a class="idl-code" data-link-type="extended-attribute" href="https://html.spec.whatwg.org/multipage/custom-elements.html#cereactions" id="ref-for-cereactions"><c- g>CEReactions</c-></a>] <c- b>attribute</c-> <a data-link-type="idl-name" href="#fencedframeconfig" id="ref-for-fencedframeconfig"><c- n>FencedFrameConfig</c-></a>? <a class="idl-code" data-link-type="attribute" data-type="FencedFrameConfig?" href="#dom-htmlfencedframeelement-config" id="ref-for-dom-htmlfencedframeelement-config"><c- g>config</c-></a>;
   [<a class="idl-code" data-link-type="extended-attribute" href="https://html.spec.whatwg.org/multipage/custom-elements.html#cereactions" id="ref-for-cereactions①"><c- g>CEReactions</c-></a>] <c- b>attribute</c-> <a class="idl-code" data-link-type="interface" href="https://webidl.spec.whatwg.org/#idl-DOMString" id="ref-for-idl-DOMString"><c- b>DOMString</c-></a> <dfn class="idl-code" data-dfn-for="HTMLFencedFrameElement" data-dfn-type="attribute" data-export data-type="DOMString" id="dom-htmlfencedframeelement-width"><code><c- g>width</c-></code><a class="self-link" href="#dom-htmlfencedframeelement-width"></a></dfn>;
   [<a class="idl-code" data-link-type="extended-attribute" href="https://html.spec.whatwg.org/multipage/custom-elements.html#cereactions" id="ref-for-cereactions②"><c- g>CEReactions</c-></a>] <c- b>attribute</c-> <a class="idl-code" data-link-type="interface" href="https://webidl.spec.whatwg.org/#idl-DOMString" id="ref-for-idl-DOMString①"><c- b>DOMString</c-></a> <dfn class="idl-code" data-dfn-for="HTMLFencedFrameElement" data-dfn-type="attribute" data-export data-type="DOMString" id="dom-htmlfencedframeelement-height"><code><c- g>height</c-></code><a class="self-link" href="#dom-htmlfencedframeelement-height"></a></dfn>;
+  [<a class="idl-code" data-link-type="extended-attribute" href="https://html.spec.whatwg.org/multipage/custom-elements.html#cereactions" id="ref-for-cereactions③"><c- g>CEReactions</c-></a>] <c- b>attribute</c-> <a class="idl-code" data-link-type="interface" href="https://webidl.spec.whatwg.org/#idl-DOMString" id="ref-for-idl-DOMString②"><c- b>DOMString</c-></a> <a class="idl-code" data-link-type="attribute" data-type="DOMString" href="#dom-htmlfencedframeelement-allow" id="ref-for-dom-htmlfencedframeelement-allow"><c- g>allow</c-></a>;
 };
 </pre>
    </dl>
-   <p>The <code><a data-link-type="element" href="#elementdef-fencedframe" id="ref-for-elementdef-fencedframe">fencedframe</a></code> element <a data-link-type="dfn" href="https://html.spec.whatwg.org/multipage/dom.html#represents" id="ref-for-represents">represents</a> its <a data-link-type="dfn" href="#fenced-navigable-container-fenced-navigable" id="ref-for-fenced-navigable-container-fenced-navigable">fenced navigable</a>.</p>
-   <p>Each <code><a data-link-type="element" href="#elementdef-fencedframe" id="ref-for-elementdef-fencedframe①">fencedframe</a></code> has a <dfn class="dfn-paneled" data-dfn-for="fencedframe" data-dfn-type="dfn" data-noexport id="fencedframe-config">config</dfn>, which is either a <code class="idl"><a data-link-type="idl" href="#fencedframeconfig" id="ref-for-fencedframeconfig①">FencedFrameConfig</a></code> or null. It is initially null.</p>
+   <p>The <code><a data-link-type="element" href="#elementdef-fencedframe" id="ref-for-elementdef-fencedframe①">fencedframe</a></code> element <a data-link-type="dfn" href="https://html.spec.whatwg.org/multipage/dom.html#represents" id="ref-for-represents">represents</a> its <a data-link-type="dfn" href="#fenced-navigable-container-fenced-navigable" id="ref-for-fenced-navigable-container-fenced-navigable">fenced navigable</a>.</p>
+   <p>Each <code><a data-link-type="element" href="#elementdef-fencedframe" id="ref-for-elementdef-fencedframe②">fencedframe</a></code> has a <dfn class="dfn-paneled" data-dfn-for="fencedframe" data-dfn-type="dfn" data-noexport id="fencedframe-config">config</dfn>, which is either a <code class="idl"><a data-link-type="idl" href="#fencedframeconfig" id="ref-for-fencedframeconfig①">FencedFrameConfig</a></code> or null. It is initially null.</p>
    <div class="algorithm" data-algorithm="insertion">
-     When a <code><a data-link-type="element" href="#elementdef-fencedframe" id="ref-for-elementdef-fencedframe②">fencedframe</a></code> element <var>element</var> is <a data-link-type="dfn" href="https://html.spec.whatwg.org/multipage/infrastructure.html#insert-an-element-into-a-document" id="ref-for-insert-an-element-into-a-document">inserted into a
+     When a <code><a data-link-type="element" href="#elementdef-fencedframe" id="ref-for-elementdef-fencedframe③">fencedframe</a></code> element <var>element</var> is <a data-link-type="dfn" href="https://html.spec.whatwg.org/multipage/infrastructure.html#insert-an-element-into-a-document" id="ref-for-insert-an-element-into-a-document">inserted into a
   document</a> whose <a data-link-type="dfn" href="https://html.spec.whatwg.org/multipage/document-sequences.html#concept-document-bc" id="ref-for-concept-document-bc">browsing context</a> is non-null, run these steps: 
     <ol>
      <li data-md>
@@ -994,7 +1001,7 @@ <h2 class="heading settled" data-level="1" id="the-fencedframe-element"><span cl
     </ol>
    </div>
    <div class="algorithm" data-algorithm="process-the-fencedframe-attributes">
-     To <dfn class="dfn-paneled" data-dfn-type="dfn" data-noexport id="process-the-fencedframe-attributes">process the <code><a data-link-type="element" href="#elementdef-fencedframe" id="ref-for-elementdef-fencedframe③">fencedframe</a></code> attributes</dfn> given a <code><a data-link-type="element" href="#elementdef-fencedframe" id="ref-for-elementdef-fencedframe④">fencedframe</a></code> element <var>element</var> and
+     To <dfn class="dfn-paneled" data-dfn-type="dfn" data-noexport id="process-the-fencedframe-attributes">process the <code><a data-link-type="element" href="#elementdef-fencedframe" id="ref-for-elementdef-fencedframe④">fencedframe</a></code> attributes</dfn> given a <code><a data-link-type="element" href="#elementdef-fencedframe" id="ref-for-elementdef-fencedframe⑤">fencedframe</a></code> element <var>element</var> and
   a boolean <dfn class="dfn-paneled" data-dfn-type="dfn" data-noexport id="initialinsertion"><var>initialInsertion</var></dfn>, run these steps: 
     <ol>
      <li data-md>
@@ -1023,7 +1030,7 @@ <h2 class="heading settled" data-level="1" id="the-fencedframe-element"><span cl
     </details>
    </div>
    <div class="algorithm" data-algorithm="destroy">
-     When a <code><a data-link-type="element" href="#elementdef-fencedframe" id="ref-for-elementdef-fencedframe⑤">fencedframe</a></code> element is <a data-link-type="dfn" href="https://html.spec.whatwg.org/multipage/infrastructure.html#remove-an-element-from-a-document" id="ref-for-remove-an-element-from-a-document">removed from a document</a>, the user agent 
+     When a <code><a data-link-type="element" href="#elementdef-fencedframe" id="ref-for-elementdef-fencedframe⑥">fencedframe</a></code> element is <a data-link-type="dfn" href="https://html.spec.whatwg.org/multipage/infrastructure.html#remove-an-element-from-a-document" id="ref-for-remove-an-element-from-a-document">removed from a document</a>, the user agent 
     <p class="XXX">TODO:
   destroy the nested traversable</p>
     . 
@@ -1036,16 +1043,20 @@ <h2 class="heading settled" data-level="1" id="the-fencedframe-element"><span cl
       <p><span class="XXX">TODO</span></p>
     </ol>
    </div>
+   <p>The <dfn class="dfn-paneled" data-dfn-for="fencedframe" data-dfn-type="element-attr" data-export id="element-attrdef-fencedframe-allow"><code>allow</code></dfn> attribute, when specified, determines the <a data-link-type="dfn" href="https://w3c.github.io/webappsec-permissions-policy/#container-policy" id="ref-for-container-policy">container policy</a> that will be used when the <a data-link-type="dfn" href="https://html.spec.whatwg.org/multipage/dom.html#concept-document-permissions-policy" id="ref-for-concept-document-permissions-policy">permissions policy</a> for a <code class="idl"><a data-link-type="idl" href="https://dom.spec.whatwg.org/#document" id="ref-for-document">Document</a></code> in the <code><a data-link-type="element" href="#elementdef-fencedframe" id="ref-for-elementdef-fencedframe⑦">fencedframe</a></code>'s <a data-link-type="dfn" href="#fenced-navigable-container-fenced-navigable" id="ref-for-fenced-navigable-container-fenced-navigable②">fenced navigable</a> is initialized. Its value
+must be a <a data-link-type="dfn" href="https://w3c.github.io/webappsec-permissions-policy#serialized-permissions-policy" id="ref-for-serialized-permissions-policy">serialized permissions policy</a>. <a data-link-type="biblio" href="#biblio-permissions-policy" title="Permissions Policy">[PERMISSIONS-POLICY]</a></p>
+   <p>The IDL attribute <dfn class="dfn-paneled idl-code" data-dfn-for="HTMLFencedFrameElement" data-dfn-type="attribute" data-export id="dom-htmlfencedframeelement-allow"><code>allow</code></dfn> must <a data-link-type="dfn" href="https://html.spec.whatwg.org/multipage/common-dom-interfaces.html#reflect" id="ref-for-reflect">reflect</a> the
+respective content attribute of the same name.</p>
    <h3 class="heading settled" data-level="1.1" id="dimension-attributes"><span class="secno">1.1. </span><span class="content">Dimension attributes</span><a class="self-link" href="#dimension-attributes"></a></h3>
    <p>This section details monkeypatches to <a data-link-type="biblio" href="#biblio-html" title="HTML Standard">[HTML]</a>'s <a href="https://html.spec.whatwg.org/multipage/embedded-content-other.html#dimension-attributes">Dimension
-attributes</a> section. This section will be updated to include <code><a data-link-type="element" href="#elementdef-fencedframe" id="ref-for-elementdef-fencedframe⑥">fencedframe</a></code> in the list of
+attributes</a> section. This section will be updated to include <code><a data-link-type="element" href="#elementdef-fencedframe" id="ref-for-elementdef-fencedframe⑧">fencedframe</a></code> in the list of
 elements that the <code><a data-link-type="dfn" href="https://html.spec.whatwg.org/multipage/embedder-content-other.html#attr-dim-width" id="ref-for-attr-dim-width①">width</a></code> and <code><a data-link-type="dfn" href="https://html.spec.whatwg.org/multipage/embedder-content-other.html#attr-dim-height" id="ref-for-attr-dim-height①">height</a></code> dimension attributes apply to.</p>
    <h3 class="heading settled" data-level="1.2" id="fenced-frame-config-map"><span class="secno">1.2. </span><span class="content">Fenced frame config mapping</span><a class="self-link" href="#fenced-frame-config-map"></a></h3>
    <p>Each <a data-link-type="dfn" href="https://html.spec.whatwg.org/multipage/document-sequences.html#traversable-navigable" id="ref-for-traversable-navigable">traversable navigable</a> has a <dfn class="dfn-paneled" data-dfn-for="traversable navigable" data-dfn-type="dfn" data-export data-lt="fenced frame config mapping" id="traversable-navigable-fenced-frame-config-mapping">fenced frame config
 mapping</dfn>, which is a new <a data-link-type="dfn" href="#fenced-frame-config-mapping" id="ref-for-fenced-frame-config-mapping">fenced frame config mapping</a>.</p>
    <p class="note" role="note"><span class="marker">Note:</span> This mapping is consulted during <a data-link-type="dfn" href="https://html.spec.whatwg.org/multipage/browsing-the-web.html#navigate" id="ref-for-navigate①">navigation</a>, and written to by what we
 colloquially refer to as <em>URN-generating APIs</em> or <em>config-generating APIs</em>, that generate both <a data-link-type="dfn" href="https://www.ietf.org/rfc/rfc4122.txt#urn-uuid" id="ref-for-urn-uuid">urn
-uuids</a> and <a data-link-type="dfn" href="#fenced-frame-config" id="ref-for-fenced-frame-config">fenced frame configs</a> for use in navigating <code><a data-link-type="element" href="#elementdef-fencedframe" id="ref-for-elementdef-fencedframe⑦">fencedframe</a></code> and <code><a data-link-type="element" href="https://html.spec.whatwg.org/multipage/iframe-embed-object.html#the-iframe-element" id="ref-for-the-iframe-element">iframe</a></code> elements.
+uuids</a> and <a data-link-type="dfn" href="#fenced-frame-config" id="ref-for-fenced-frame-config">fenced frame configs</a> for use in navigating <code><a data-link-type="element" href="#elementdef-fencedframe" id="ref-for-elementdef-fencedframe⑨">fencedframe</a></code> and <code><a data-link-type="element" href="https://html.spec.whatwg.org/multipage/iframe-embed-object.html#the-iframe-element" id="ref-for-the-iframe-element">iframe</a></code> elements.
 See for example, the <a href="https://wicg.github.io/turtledove/">FLEDGE</a> and <a href="https://wicg.github.io/shared-storage/">Shared Storage</a> specifications.</p>
    <p>A <dfn class="dfn-paneled" data-dfn-type="dfn" data-noexport id="fenced-frame-config-mapping">fenced frame config mapping</dfn> has three submappings:</p>
    <dl>
@@ -1144,21 +1155,21 @@ <h3 class="heading settled" data-level="1.2" id="fenced-frame-config-map"><span
    <h3 class="heading settled" data-level="1.3" id="fenced-frame-config-section"><span class="secno">1.3. </span><span class="content">Fenced frame configs</span><a class="self-link" href="#fenced-frame-config-section"></a></h3>
    <h4 class="heading settled" data-level="1.3.1" id="fenced-frame-config-intro"><span class="secno">1.3.1. </span><span class="content">Introduction</span><a class="self-link" href="#fenced-frame-config-intro"></a></h4>
    <p><em>This section is non-normative.</em></p>
-   <p>A key feature of the <code><a data-link-type="element" href="#elementdef-fencedframe" id="ref-for-elementdef-fencedframe⑧">fencedframe</a></code> element is that web platform APIs can configure the behavior
+   <p>A key feature of the <code><a data-link-type="element" href="#elementdef-fencedframe" id="ref-for-elementdef-fencedframe①⓪">fencedframe</a></code> element is that web platform APIs can configure the behavior
 of the frame in a way that limits the ability of other execution contexts to modify or inspect this
 configuration, for security or privacy reasons. For example, the <a href="https://wicg.github.io/turtledove/">FLEDGE</a> API performs on-device ad auctions over
 cross-site data, and it is important that the ad that wins the auction can be loaded into a frame,
 without the API caller knowing <em>which ad</em> won the auction or being able to manipulate the
 environment in which the ad loads.</p>
    <p>We achieve this using the concept of a "<a data-link-type="dfn" href="#fenced-frame-config" id="ref-for-fenced-frame-config⑥">fenced frame config</a>". A <a data-link-type="dfn" href="#fenced-frame-config" id="ref-for-fenced-frame-config⑦">fenced frame config</a> is a
-collection of fields that can be loaded into <code><a data-link-type="element" href="#elementdef-fencedframe" id="ref-for-elementdef-fencedframe⑨">fencedframe</a></code> elements and that specifies the
+collection of fields that can be loaded into <code><a data-link-type="element" href="#elementdef-fencedframe" id="ref-for-elementdef-fencedframe①①">fencedframe</a></code> elements and that specifies the
 resulting environments. <a data-link-type="dfn" href="#fenced-frame-config" id="ref-for-fenced-frame-config⑧">Fenced frame configs</a> can only be constructed by web platform APIs, not
 initialized or modified arbitrarily. Their fields also contain "<a data-link-type="dfn" href="https://www.w3.org/TR/CSS22/visufx.html#propdef-visibility" id="ref-for-propdef-visibility">visibilities</a>", which dictate
 whether the field should be "redacted" when inspected through the <code class="idl"><a data-link-type="idl" href="#fencedframeconfig" id="ref-for-fencedframeconfig②">FencedFrameConfig</a></code> interface.
 Config-generating APIs (like <a href="https://wicg.github.io/turtledove/">FLEDGE</a> and <a href="https://wicg.github.io/shared-storage/">Shared Storage</a>) must specify values for all fields
 of their fenced frame configs in order to ensure that they have considered the privacy implications
 of each field, though they may choose to set the values to null.</p>
-   <p>Each time a <code><a data-link-type="element" href="#elementdef-fencedframe" id="ref-for-elementdef-fencedframe①⓪">fencedframe</a></code> navigates to a <a data-link-type="dfn" href="#fenced-frame-config" id="ref-for-fenced-frame-config⑨">fenced frame config</a>, it is instantiated as a new <a data-link-type="dfn" href="#fenced-frame-config-instance" id="ref-for-fenced-frame-config-instance">fenced frame config instance</a>, which governs that particular context inside the <a data-link-type="dfn" href="#fenced-navigable-container-fenced-navigable" id="ref-for-fenced-navigable-container-fenced-navigable②">fenced navigable</a>.</p>
+   <p>Each time a <code><a data-link-type="element" href="#elementdef-fencedframe" id="ref-for-elementdef-fencedframe①②">fencedframe</a></code> navigates to a <a data-link-type="dfn" href="#fenced-frame-config" id="ref-for-fenced-frame-config⑨">fenced frame config</a>, it is instantiated as a new <a data-link-type="dfn" href="#fenced-frame-config-instance" id="ref-for-fenced-frame-config-instance">fenced frame config instance</a>, which governs that particular context inside the <a data-link-type="dfn" href="#fenced-navigable-container-fenced-navigable" id="ref-for-fenced-navigable-container-fenced-navigable③">fenced navigable</a>.</p>
    <h4 class="heading settled" data-level="1.3.2" id="fenced-frame-config-struct"><span class="secno">1.3.2. </span><span class="content">The <a data-link-type="dfn" href="#fenced-frame-config" id="ref-for-fenced-frame-config①⓪">fenced frame config</a> <a data-link-type="dfn" href="https://infra.spec.whatwg.org/#struct" id="ref-for-struct">struct</a></span><a class="self-link" href="#fenced-frame-config-struct"></a></h4>
    <p>We now establish some preliminary types:</p>
    <p>A <dfn data-dfn-for="fencedframeconfig" data-dfn-type="dfn" data-export id="fencedframeconfig-visibility">visibility<a class="self-link" href="#fencedframeconfig-visibility"></a></dfn> is either "<dfn data-dfn-for="visibility" data-dfn-type="dfn" data-export data-lt="opaque" id="visibility-opaque"> <code>opaque</code><a class="self-link" href="#visibility-opaque"></a></dfn>" or "<dfn class="dfn-paneled" data-dfn-for="visibility" data-dfn-type="dfn" data-export id="visibility-transparent"><code>transparent</code></dfn>".</p>
@@ -1259,13 +1270,13 @@ <h4 class="heading settled" data-level="1.3.2" id="fenced-frame-config-struct"><
        <p>a <a data-link-type="dfn" href="https://www.w3.org/TR/CSS22/visufx.html#propdef-visibility" id="ref-for-propdef-visibility⑤">visibility</a></p>
      </dl>
      <p class="note" role="note"><span class="marker">Note:</span> When non-null, this is a <a data-link-type="dfn" href="https://infra.spec.whatwg.org/#list" id="ref-for-list①">list</a> of <a data-link-type="dfn" href="https://w3c.github.io/webappsec-permissions-policy/#policy-controlled-feature" id="ref-for-policy-controlled-feature①">policy-controlled features</a> that the generator of
-this config relies on exclusively being enabled inside the <code><a data-link-type="element" href="#elementdef-fencedframe" id="ref-for-elementdef-fencedframe①①">fencedframe</a></code> that navigates to
+this config relies on exclusively being enabled inside the <code><a data-link-type="element" href="#elementdef-fencedframe" id="ref-for-elementdef-fencedframe①③">fencedframe</a></code> that navigates to
 this config. Specifically, each feature in this list <span class="allow-2119">must</span> be
-enabled by the <code><a data-link-type="element" href="#elementdef-fencedframe" id="ref-for-elementdef-fencedframe①②">fencedframe</a></code>'s <a data-link-type="dfn" href="#fenced-navigable-container-fenced-navigable" id="ref-for-fenced-navigable-container-fenced-navigable③">fenced navigable</a>'s <a data-link-type="dfn" href="https://html.spec.whatwg.org/multipage/dom.html#concept-document-permissions-policy" id="ref-for-concept-document-permissions-policy">permissions policy</a>'s <a data-link-type="dfn" href="https://w3c.github.io/webappsec-permissions-policy#inherited-policy" id="ref-for-inherited-policy">inherited policy</a> when navigating to
+enabled by the <code><a data-link-type="element" href="#elementdef-fencedframe" id="ref-for-elementdef-fencedframe①④">fencedframe</a></code>'s <a data-link-type="dfn" href="#fenced-navigable-container-fenced-navigable" id="ref-for-fenced-navigable-container-fenced-navigable④">fenced navigable</a>'s <a data-link-type="dfn" href="https://html.spec.whatwg.org/multipage/dom.html#concept-document-permissions-policy" id="ref-for-concept-document-permissions-policy①">permissions policy</a>'s <a data-link-type="dfn" href="https://w3c.github.io/webappsec-permissions-policy#inherited-policy" id="ref-for-inherited-policy">inherited policy</a> when navigating to
 this config for the navigation to succeed. The features in this list are not force-enabled, but
 rather are used to check that the embedder environment that influences the aforementioned <a data-link-type="dfn" href="https://w3c.github.io/webappsec-permissions-policy#inherited-policy" id="ref-for-inherited-policy①">inherited policy</a> is relaxed enough to support these essential features.
 If the <a data-link-type="dfn" href="https://w3c.github.io/webappsec-permissions-policy/#inherited-policy-for-a-feature" id="ref-for-inherited-policy-for-a-feature">inherited policy value</a> for any of these features is
-"<code>Disabled</code>", the navigation to this config will fail. Any <a data-link-type="dfn" href="https://w3c.github.io/webappsec-permissions-policy/#policy-controlled-feature" id="ref-for-policy-controlled-feature②">policy-controlled feature</a> <em>not</em> in this list will not be "<code>Disabled</code>" in the <code><a data-link-type="element" href="#elementdef-fencedframe" id="ref-for-elementdef-fencedframe①③">fencedframe</a></code> that navigates to this config.</p>
+"<code>Disabled</code>", the navigation to this config will fail. Any <a data-link-type="dfn" href="https://w3c.github.io/webappsec-permissions-policy/#policy-controlled-feature" id="ref-for-policy-controlled-feature②">policy-controlled feature</a> <em>not</em> in this list will not be "<code>Disabled</code>" in the <code><a data-link-type="element" href="#elementdef-fencedframe" id="ref-for-elementdef-fencedframe①⑤">fencedframe</a></code> that navigates to this config.</p>
     <dt data-md><dfn data-dfn-for="fenced frame config" data-dfn-type="dfn" data-export id="fenced-frame-config-fenced-frame-reporter">fenced frame reporter<a class="self-link" href="#fenced-frame-config-fenced-frame-reporter"></a></dfn>
     <dd data-md>
      <p>null, or a struct with the following fields:</p>
@@ -1341,7 +1352,7 @@ <h4 class="heading settled" data-level="1.3.3" id="fenced-frame-config-instance-
      <p>null, or an <a data-link-type="dfn" href="#fencedframetype-embedder-shared-storage-context" id="ref-for-fencedframetype-embedder-shared-storage-context①">embedder shared storage context</a></p>
    </dl>
    <div class="algorithm" data-algorithm="instantiate a config">
-     To <dfn data-dfn-type="dfn" data-export id="instantiate-a-config">instantiate a config<a class="self-link" href="#instantiate-a-config"></a></dfn> given a <a data-link-type="dfn" href="#fenced-frame-config" id="ref-for-fenced-frame-config①③">fenced frame config</a> <var>config</var>, return a <a data-link-type="dfn" href="#fenced-frame-config-instance" id="ref-for-fenced-frame-config-instance②">fenced frame config instance</a> with the following members: 
+     To <dfn class="dfn-paneled" data-dfn-type="dfn" data-export id="instantiate-a-config">instantiate a config</dfn> given a <a data-link-type="dfn" href="#fenced-frame-config" id="ref-for-fenced-frame-config①③">fenced frame config</a> <var>config</var>, return a <a data-link-type="dfn" href="#fenced-frame-config-instance" id="ref-for-fenced-frame-config-instance②">fenced frame config instance</a> with the following members: 
     <dl>
      <dt data-md><a data-link-type="dfn" href="#fenced-frame-config-instance-mapped-url" id="ref-for-fenced-frame-config-instance-mapped-url">mapped url</a>
      <dd data-md>
@@ -1415,14 +1426,14 @@ <h4 class="heading settled" data-level="1.3.3" id="fenced-frame-config-instance-
    <p>Each <a data-link-type="dfn" href="https://html.spec.whatwg.org/multipage/document-sequences.html#navigable" id="ref-for-navigable">navigable</a> has a <dfn class="dfn-paneled" data-dfn-for="navigable" data-dfn-type="dfn" data-noexport id="navigable-fenced-frame-config-instance">fenced frame config instance</dfn>, which is a <a data-link-type="dfn" href="#fenced-frame-config-instance" id="ref-for-fenced-frame-config-instance③">fenced
 frame config instance</a> or null, initially null.</p>
    <p><strong class="advisement"> This <a data-link-type="dfn" href="#navigable-fenced-frame-config-instance" id="ref-for-navigable-fenced-frame-config-instance">fenced frame config instance</a> should really exist on <a data-link-type="dfn" href="https://html.spec.whatwg.org/multipage/document-sequences.html#traversable-navigable" id="ref-for-traversable-navigable①">traversable
-navigable</a>, specifically a <a data-link-type="dfn" href="#fenced-navigable-container-fenced-navigable" id="ref-for-fenced-navigable-container-fenced-navigable④">fenced navigable</a>, however until
+navigable</a>, specifically a <a data-link-type="dfn" href="#fenced-navigable-container-fenced-navigable" id="ref-for-fenced-navigable-container-fenced-navigable⑤">fenced navigable</a>, however until
 third-party cookies are <a href="https://w3ctag.github.io/web-without-3p-cookies/#introduction">deprecated</a>, this
-specification supports many of the <code><a data-link-type="element" href="#elementdef-fencedframe" id="ref-for-elementdef-fencedframe①④">fencedframe</a></code> constructs on the <code><a data-link-type="element" href="https://html.spec.whatwg.org/multipage/iframe-embed-object.html#the-iframe-element" id="ref-for-the-iframe-element①">iframe</a></code> element. This
+specification supports many of the <code><a data-link-type="element" href="#elementdef-fencedframe" id="ref-for-elementdef-fencedframe①⑥">fencedframe</a></code> constructs on the <code><a data-link-type="element" href="https://html.spec.whatwg.org/multipage/iframe-embed-object.html#the-iframe-element" id="ref-for-the-iframe-element①">iframe</a></code> element. This
 requires that for the short term, a normal <a data-link-type="dfn" href="https://html.spec.whatwg.org/multipage/document-sequences.html#content-navigable" id="ref-for-content-navigable">content navigable</a> be able to load
 a <a data-link-type="dfn" href="#fenced-frame-config" id="ref-for-fenced-frame-config①④">fenced frame config</a>, and therefore have access to the navigation’s corresponding <a data-link-type="dfn" href="#fenced-frame-config-instance" id="ref-for-fenced-frame-config-instance④">fenced
 frame config instance</a>.</strong></p>
    <h4 class="heading settled" data-level="1.3.4" id="fenced-frame-config-interface"><span class="secno">1.3.4. </span><span class="content">The <code class="idl"><a data-link-type="idl" href="#fencedframeconfig" id="ref-for-fencedframeconfig③">FencedFrameConfig</a></code> interface</span><a class="self-link" href="#fenced-frame-config-interface"></a></h4>
-   <p>One major input to the <code><a data-link-type="element" href="#elementdef-fencedframe" id="ref-for-elementdef-fencedframe①⑤">fencedframe</a></code> element is the <code class="idl"><a data-link-type="idl" href="#fencedframeconfig" id="ref-for-fencedframeconfig④">FencedFrameConfig</a></code> interface, which
+   <p>One major input to the <code><a data-link-type="element" href="#elementdef-fencedframe" id="ref-for-elementdef-fencedframe①⑦">fencedframe</a></code> element is the <code class="idl"><a data-link-type="idl" href="#fencedframeconfig" id="ref-for-fencedframeconfig④">FencedFrameConfig</a></code> interface, which
 maps to an internal <a data-link-type="dfn" href="#fenced-frame-config" id="ref-for-fenced-frame-config①⑤">fenced frame config</a> <a data-link-type="dfn" href="https://infra.spec.whatwg.org/#struct" id="ref-for-struct②">struct</a>.</p>
 <pre class="idl highlight def"><c- b>enum</c-> <dfn class="dfn-paneled idl-code" data-dfn-type="enum" data-export id="enumdef-opaqueproperty"><code><c- g>OpaqueProperty</c-></code></dfn> {<dfn class="idl-code" data-dfn-for="OpaqueProperty" data-dfn-type="enum-value" data-export id="dom-opaqueproperty-opaque"><code><c- s>"opaque"</c-></code><a class="self-link" href="#dom-opaqueproperty-opaque"></a></dfn>};
 
@@ -1437,7 +1448,7 @@ <h4 class="heading settled" data-level="1.3.4" id="fenced-frame-config-interface
   <c- b>readonly</c-> <c- b>attribute</c-> <a data-link-type="idl-name" href="#typedefdef-fencedframeconfigsize" id="ref-for-typedefdef-fencedframeconfigsize②"><c- n>FencedFrameConfigSize</c-></a>? <dfn class="dfn-paneled idl-code" data-dfn-for="FencedFrameConfig" data-dfn-type="attribute" data-export data-readonly data-type="FencedFrameConfigSize?" id="dom-fencedframeconfig-contentwidth"><code><c- g>contentWidth</c-></code></dfn>;
   <c- b>readonly</c-> <c- b>attribute</c-> <a data-link-type="idl-name" href="#typedefdef-fencedframeconfigsize" id="ref-for-typedefdef-fencedframeconfigsize③"><c- n>FencedFrameConfigSize</c-></a>? <dfn class="dfn-paneled idl-code" data-dfn-for="FencedFrameConfig" data-dfn-type="attribute" data-export data-readonly data-type="FencedFrameConfigSize?" id="dom-fencedframeconfig-contentheight"><code><c- g>contentHeight</c-></code></dfn>;
 
-  <a class="idl-code" data-link-type="interface" href="https://webidl.spec.whatwg.org/#idl-undefined" id="ref-for-idl-undefined"><c- b>undefined</c-></a> <a class="idl-code" data-link-type="method" href="#dom-fencedframeconfig-setsharedstoragecontext" id="ref-for-dom-fencedframeconfig-setsharedstoragecontext"><c- g>setSharedStorageContext</c-></a>(<a class="idl-code" data-link-type="interface" href="https://webidl.spec.whatwg.org/#idl-DOMString" id="ref-for-idl-DOMString②"><c- b>DOMString</c-></a> <dfn class="idl-code" data-dfn-for="FencedFrameConfig/setSharedStorageContext(contextString)" data-dfn-type="argument" data-export id="dom-fencedframeconfig-setsharedstoragecontext-contextstring-contextstring"><code><c- g>contextString</c-></code><a class="self-link" href="#dom-fencedframeconfig-setsharedstoragecontext-contextstring-contextstring"></a></dfn>);
+  <a class="idl-code" data-link-type="interface" href="https://webidl.spec.whatwg.org/#idl-undefined" id="ref-for-idl-undefined"><c- b>undefined</c-></a> <a class="idl-code" data-link-type="method" href="#dom-fencedframeconfig-setsharedstoragecontext" id="ref-for-dom-fencedframeconfig-setsharedstoragecontext"><c- g>setSharedStorageContext</c-></a>(<a class="idl-code" data-link-type="interface" href="https://webidl.spec.whatwg.org/#idl-DOMString" id="ref-for-idl-DOMString③"><c- b>DOMString</c-></a> <dfn class="idl-code" data-dfn-for="FencedFrameConfig/setSharedStorageContext(contextString)" data-dfn-type="argument" data-export id="dom-fencedframeconfig-setsharedstoragecontext-contextstring-contextstring"><code><c- g>contextString</c-></code><a class="self-link" href="#dom-fencedframeconfig-setsharedstoragecontext-contextstring-contextstring"></a></dfn>);
 };
 </pre>
    <p>Each <code class="idl"><a data-link-type="idl" href="#fencedframeconfig" id="ref-for-fencedframeconfig⑤">FencedFrameConfig</a></code> has two internal members: <dfn class="dfn-paneled" data-dfn-for="fencedframeconfig" data-dfn-type="dfn" data-noexport id="fencedframeconfig-urn">urn</dfn>, which is a <a data-link-type="dfn" href="https://www.ietf.org/rfc/rfc4122.txt#urn-uuid" id="ref-for-urn-uuid⑨">urn uuid</a>, and <dfn class="dfn-paneled" data-dfn-for="fencedframeconfig" data-dfn-type="dfn" data-noexport id="fencedframeconfig-config">config</dfn>, which is a <a data-link-type="dfn" href="#fenced-frame-config" id="ref-for-fenced-frame-config①⑥">fenced frame config</a>.</p>
@@ -1516,12 +1527,12 @@ <h3 class="heading settled" data-level="1.4" id="fence-interface"><span class="s
 };
 
 <c- b>dictionary</c-> <dfn class="dfn-paneled idl-code" data-dfn-type="dictionary" data-export id="dictdef-fenceevent"><code><c- g>FenceEvent</c-></code></dfn> {
-  <c- b>required</c-> <a class="idl-code" data-link-type="interface" href="https://webidl.spec.whatwg.org/#idl-DOMString" id="ref-for-idl-DOMString③"><c- b>DOMString</c-></a> <dfn class="idl-code" data-dfn-for="FenceEvent" data-dfn-type="dict-member" data-export data-type="DOMString " id="dom-fenceevent-eventtype"><code><c- g>eventType</c-></code><a class="self-link" href="#dom-fenceevent-eventtype"></a></dfn>;
-  <c- b>required</c-> <a class="idl-code" data-link-type="interface" href="https://webidl.spec.whatwg.org/#idl-DOMString" id="ref-for-idl-DOMString④"><c- b>DOMString</c-></a> <dfn class="idl-code" data-dfn-for="FenceEvent" data-dfn-type="dict-member" data-export data-type="DOMString " id="dom-fenceevent-eventdata"><code><c- g>eventData</c-></code><a class="self-link" href="#dom-fenceevent-eventdata"></a></dfn>;
+  <c- b>required</c-> <a class="idl-code" data-link-type="interface" href="https://webidl.spec.whatwg.org/#idl-DOMString" id="ref-for-idl-DOMString④"><c- b>DOMString</c-></a> <dfn class="idl-code" data-dfn-for="FenceEvent" data-dfn-type="dict-member" data-export data-type="DOMString " id="dom-fenceevent-eventtype"><code><c- g>eventType</c-></code><a class="self-link" href="#dom-fenceevent-eventtype"></a></dfn>;
+  <c- b>required</c-> <a class="idl-code" data-link-type="interface" href="https://webidl.spec.whatwg.org/#idl-DOMString" id="ref-for-idl-DOMString⑤"><c- b>DOMString</c-></a> <dfn class="idl-code" data-dfn-for="FenceEvent" data-dfn-type="dict-member" data-export data-type="DOMString " id="dom-fenceevent-eventdata"><code><c- g>eventData</c-></code><a class="self-link" href="#dom-fenceevent-eventdata"></a></dfn>;
   <c- b>required</c-> <a data-link-type="dfn" href="https://webidl.spec.whatwg.org/#idl-sequence" id="ref-for-idl-sequence"><c- b>sequence</c-></a>&lt;<a data-link-type="idl-name" href="#enumdef-fencereportingdestination" id="ref-for-enumdef-fencereportingdestination"><c- n>FenceReportingDestination</c-></a>> <dfn class="idl-code" data-dfn-for="FenceEvent" data-dfn-type="dict-member" data-export data-type="sequence<FenceReportingDestination> " id="dom-fenceevent-destination"><code><c- g>destination</c-></code><a class="self-link" href="#dom-fenceevent-destination"></a></dfn>;
 };
 
-<c- b>typedef</c-> (<a data-link-type="idl-name" href="#dictdef-fenceevent" id="ref-for-dictdef-fenceevent"><c- n>FenceEvent</c-></a> <c- b>or</c-> <a class="idl-code" data-link-type="interface" href="https://webidl.spec.whatwg.org/#idl-DOMString" id="ref-for-idl-DOMString⑤"><c- b>DOMString</c-></a>) <dfn class="dfn-paneled idl-code" data-dfn-type="typedef" data-export id="typedefdef-reporteventtype"><code><c- g>ReportEventType</c-></code></dfn>;
+<c- b>typedef</c-> (<a data-link-type="idl-name" href="#dictdef-fenceevent" id="ref-for-dictdef-fenceevent"><c- n>FenceEvent</c-></a> <c- b>or</c-> <a class="idl-code" data-link-type="interface" href="https://webidl.spec.whatwg.org/#idl-DOMString" id="ref-for-idl-DOMString⑥"><c- b>DOMString</c-></a>) <dfn class="dfn-paneled idl-code" data-dfn-type="typedef" data-export id="typedefdef-reporteventtype"><code><c- g>ReportEventType</c-></code></dfn>;
 
 [<a class="idl-code" data-link-type="extended-attribute" href="https://webidl.spec.whatwg.org/#Exposed" id="ref-for-Exposed②"><c- g>Exposed</c-></a>=<c- n>Window</c->]
 <c- b>interface</c-> <dfn class="dfn-paneled idl-code" data-dfn-type="interface" data-export id="fence"><code><c- g>Fence</c-></code></dfn> {
@@ -1544,7 +1555,7 @@ <h3 class="heading settled" data-level="1.4" id="fence-interface"><span class="s
      <li data-md>
       <p>If <var>instance</var>’s <a data-link-type="dfn" href="#fenced-frame-config-instance-fenced-frame-reporter" id="ref-for-fenced-frame-config-instance-fenced-frame-reporter①">fenced frame reporter</a> is null, then return.</p>
      <li data-md>
-      <p>If <var>event</var> is a <code class="idl"><a data-link-type="idl" href="https://webidl.spec.whatwg.org/#idl-DOMString" id="ref-for-idl-DOMString⑥">DOMString</a></code>, run <a data-link-type="dfn" href="#report-a-private-aggregation-event" id="ref-for-report-a-private-aggregation-event">report a private aggregation event</a> with <var>event</var> and <var>instance</var>’s <a data-link-type="dfn" href="#fenced-frame-config-instance-fenced-frame-reporter" id="ref-for-fenced-frame-config-instance-fenced-frame-reporter②">fenced frame reporter</a>.</p>
+      <p>If <var>event</var> is a <code class="idl"><a data-link-type="idl" href="https://webidl.spec.whatwg.org/#idl-DOMString" id="ref-for-idl-DOMString⑦">DOMString</a></code>, run <a data-link-type="dfn" href="#report-a-private-aggregation-event" id="ref-for-report-a-private-aggregation-event">report a private aggregation event</a> with <var>event</var> and <var>instance</var>’s <a data-link-type="dfn" href="#fenced-frame-config-instance-fenced-frame-reporter" id="ref-for-fenced-frame-config-instance-fenced-frame-reporter②">fenced frame reporter</a>.</p>
      <li data-md>
       <p>If <var>event</var> is a <code class="idl"><a data-link-type="idl" href="#dictdef-fenceevent" id="ref-for-dictdef-fenceevent②">FenceEvent</a></code>, run <a data-link-type="dfn" href="#report-an-event" id="ref-for-report-an-event">report an event</a> with <var>event</var> and <var>instance</var>’s <a data-link-type="dfn" href="#fenced-frame-config-instance-fenced-frame-reporter" id="ref-for-fenced-frame-config-instance-fenced-frame-reporter③">fenced frame reporter</a>.</p>
     </ol>
@@ -1677,12 +1688,11 @@ <h3 class="heading settled" data-level="2.2" id="creating-browsing-contexts-patc
     <p>to instead use the tighter condition:</p>
     <ol>
      <li data-md>
-      <p>If <var>creator</var> is non-null and <var>embedder</var> is not a <code><a data-link-type="element" href="#elementdef-fencedframe" id="ref-for-elementdef-fencedframe①⑥">fencedframe</a></code> element, then:</p>
+      <p>If <var>creator</var> is non-null and <var>embedder</var> is not a <code><a data-link-type="element" href="#elementdef-fencedframe" id="ref-for-elementdef-fencedframe①⑧">fencedframe</a></code> element, then:</p>
     </ol>
    </div>
    <p class="note" role="note"><span class="marker">Note:</span> This is because we need to ensure that we do not leak <var>creator</var>’s <a data-link-type="dfn" href="https://html.spec.whatwg.org/multipage/dom.html#the-document&apos;s-referrer" id="ref-for-the-document&apos;s-referrer">referrer</a>, <a data-link-type="dfn" href="https://dom.spec.whatwg.org/#concept-document-origin" id="ref-for-concept-document-origin">origin</a>, <a data-link-type="dfn" href="https://html.spec.whatwg.org/multipage/document-sequences.html#creator-base-url" id="ref-for-creator-base-url">creator base url</a>, <a data-link-type="dfn" href="https://html.spec.whatwg.org/multipage/dom.html#concept-document-policy-container" id="ref-for-concept-document-policy-container">policy
 container</a>, across the fenced frame boundary.</p>
-   <p class="issue" id="issue-d31f6063"><a class="self-link" href="#issue-d31f6063"></a> Ensure we are doing the right thing for <a data-link-type="dfn" href="https://html.spec.whatwg.org/multipage/dom.html#concept-document-permissions-policy" id="ref-for-concept-document-permissions-policy①">permissions policy</a>.</p>
    <h3 class="heading settled" data-level="2.3" id="nested-traversables"><span class="secno">2.3. </span><span class="content">Nested traversables</span><a class="self-link" href="#nested-traversables"></a></h3>
    <h4 class="heading settled" data-level="2.3.1" id="nested-traversables-intro"><span class="secno">2.3.1. </span><span class="content">Introduction</span><a class="self-link" href="#nested-traversables-intro"></a></h4>
    <p><em>This section is non-normative.</em></p>
@@ -1695,28 +1705,28 @@ <h4 class="heading settled" data-level="2.3.1" id="nested-traversables-intro"><s
    <p>The complexity here is in deciding when terms like <a data-link-type="dfn" href="https://html.spec.whatwg.org/multipage/document-sequences.html#navigable-container" id="ref-for-navigable-container">navigable container</a>, <a data-link-type="dfn" href="https://html.spec.whatwg.org/multipage/document-sequences.html#nav-parent" id="ref-for-nav-parent">navigable parent</a>, and <a data-link-type="dfn" href="https://html.spec.whatwg.org/multipage/document-sequences.html#descendant-navigables" id="ref-for-descendant-navigables">descendant navigables</a> need to cross the <a data-link-type="dfn" href="https://html.spec.whatwg.org/multipage/document-sequences.html#traversable-navigable" id="ref-for-traversable-navigable④">traversable navigable</a>/<a data-link-type="dfn" href="https://html.spec.whatwg.org/multipage/document-sequences.html#browsing-context-group" id="ref-for-browsing-context-group②">browsing context group</a> boundary, versus when doing so would be unsafe
 or incorrect. The examples below illustrate this point.</p>
    <p class="example" id="fenced-user-activation"><a class="self-link" href="#fenced-user-activation"></a>When a user <a data-link-type="dfn" href="https://html.spec.whatwg.org/multipage/interaction.html#tracking-user-activation" id="ref-for-tracking-user-activation">activates</a> content inside
-of a <code class="idl"><a data-link-type="idl" href="https://dom.spec.whatwg.org/#document" id="ref-for-document">Document</a></code>, ordinarily the <a data-link-type="dfn" href="https://html.spec.whatwg.org/multipage/interaction.html#activation-notification" id="ref-for-activation-notification">activation notification</a> steps give user activation to all <a data-link-type="dfn" href="https://html.spec.whatwg.org/multipage/document-sequences.html#ancestor-navigables" id="ref-for-ancestor-navigables">ancestor navigables</a> and all <a data-link-type="dfn" href="https://html.spec.whatwg.org/multipage/browsers.html#same-origin" id="ref-for-same-origin③">same origin</a> <a data-link-type="dfn" href="https://html.spec.whatwg.org/multipage/document-sequences.html#descendant-navigables" id="ref-for-descendant-navigables①">descendant navigables</a>. But
-because a <code><a data-link-type="element" href="#elementdef-fencedframe" id="ref-for-elementdef-fencedframe①⑦">fencedframe</a></code> can host sensitive content that needs to be isolated from its embedder,
+of a <code class="idl"><a data-link-type="idl" href="https://dom.spec.whatwg.org/#document" id="ref-for-document①">Document</a></code>, ordinarily the <a data-link-type="dfn" href="https://html.spec.whatwg.org/multipage/interaction.html#activation-notification" id="ref-for-activation-notification">activation notification</a> steps give user activation to all <a data-link-type="dfn" href="https://html.spec.whatwg.org/multipage/document-sequences.html#ancestor-navigables" id="ref-for-ancestor-navigables">ancestor navigables</a> and all <a data-link-type="dfn" href="https://html.spec.whatwg.org/multipage/browsers.html#same-origin" id="ref-for-same-origin③">same origin</a> <a data-link-type="dfn" href="https://html.spec.whatwg.org/multipage/document-sequences.html#descendant-navigables" id="ref-for-descendant-navigables①">descendant navigables</a>. But
+because a <code><a data-link-type="element" href="#elementdef-fencedframe" id="ref-for-elementdef-fencedframe①⑨">fencedframe</a></code> can host sensitive content that needs to be isolated from its embedder,
 and because <a data-link-type="dfn" href="https://html.spec.whatwg.org/multipage/interaction.html#tracking-user-activation" id="ref-for-tracking-user-activation①">user activation</a> and <a data-link-type="dfn" href="https://html.spec.whatwg.org/multipage/interaction.html#consume-user-activation" id="ref-for-consume-user-activation">consumption</a> offer a communication
-vector between these two parties, for the purpose of user activation a <code><a data-link-type="element" href="#elementdef-fencedframe" id="ref-for-elementdef-fencedframe①⑧">fencedframe</a></code>'s <a data-link-type="dfn" href="#fenced-navigable-container-fenced-navigable" id="ref-for-fenced-navigable-container-fenced-navigable⑤">fenced navigable</a> cannot not be considered a descendant of its
-embedder, nor can its embedder be considered an ancestor of the <code><a data-link-type="element" href="#elementdef-fencedframe" id="ref-for-elementdef-fencedframe①⑨">fencedframe</a></code>'s <a data-link-type="dfn" href="#fenced-navigable-container-fenced-navigable" id="ref-for-fenced-navigable-container-fenced-navigable⑥">fenced navigable</a>, in the way that the <a data-link-type="dfn" href="https://html.spec.whatwg.org/multipage/interaction.html#tracking-user-activation" id="ref-for-tracking-user-activation②">user activation</a> algorithms currently use those
-terms. In other words, we consider user activation to be "fenced" to denote that it never crosses the <a data-link-type="dfn" href="#fenced-navigable-container-fenced-navigable" id="ref-for-fenced-navigable-container-fenced-navigable⑦">fenced navigable</a> boundary.</p>
+vector between these two parties, for the purpose of user activation a <code><a data-link-type="element" href="#elementdef-fencedframe" id="ref-for-elementdef-fencedframe②⓪">fencedframe</a></code>'s <a data-link-type="dfn" href="#fenced-navigable-container-fenced-navigable" id="ref-for-fenced-navigable-container-fenced-navigable⑥">fenced navigable</a> cannot not be considered a descendant of its
+embedder, nor can its embedder be considered an ancestor of the <code><a data-link-type="element" href="#elementdef-fencedframe" id="ref-for-elementdef-fencedframe②①">fencedframe</a></code>'s <a data-link-type="dfn" href="#fenced-navigable-container-fenced-navigable" id="ref-for-fenced-navigable-container-fenced-navigable⑦">fenced navigable</a>, in the way that the <a data-link-type="dfn" href="https://html.spec.whatwg.org/multipage/interaction.html#tracking-user-activation" id="ref-for-tracking-user-activation②">user activation</a> algorithms currently use those
+terms. In other words, we consider user activation to be "fenced" to denote that it never crosses the <a data-link-type="dfn" href="#fenced-navigable-container-fenced-navigable" id="ref-for-fenced-navigable-container-fenced-navigable⑧">fenced navigable</a> boundary.</p>
    <details class="wpt-tests-block" dir="ltr" lang="en" open>
     <summary>Tests</summary>
     <ul class="wpt-tests-list">
      <li class="wpt-test"><a class="wpt-name" href="https://wpt.fyi/results/fenced-frame/consume-user-activation.https.html" title="fenced-frame/consume-user-activation.https.html">consume-user-activation.https.html</a> <a class="wpt-live" href="https://wpt.live/fenced-frame/consume-user-activation.https.html"><small>(live test)</small></a> <a class="wpt-source" href="https://github.com/web-platform-tests/wpt/blob/master/fenced-frame/consume-user-activation.https.html"><small>(source)</small></a>
     </ul>
    </details>
-   <p class="example" id="unfenced-sandbox-inheritance"><a class="self-link" href="#unfenced-sandbox-inheritance"></a>On the other hand, when a <code><a data-link-type="element" href="#elementdef-fencedframe" id="ref-for-elementdef-fencedframe②⓪">fencedframe</a></code>'s <a data-link-type="dfn" href="#fenced-navigable-container-fenced-navigable" id="ref-for-fenced-navigable-container-fenced-navigable⑧">fenced navigable</a> gets <a data-link-type="dfn" href="#create-a-new-nested-traversable" id="ref-for-create-a-new-nested-traversable①">created</a> or <a data-link-type="dfn" href="https://html.spec.whatwg.org/multipage/browsing-the-web.html#navigate" id="ref-for-navigate②">navigated</a>, it <span class="allow-2119">must</span> <a href="https://html.spec.whatwg.org/#sandboxing:active-sandboxing-flag-set-3">inherit</a> its embedder <code class="idl"><a data-link-type="idl" href="https://dom.spec.whatwg.org/#document" id="ref-for-document①">Document</a></code>'s <a data-link-type="dfn" href="https://html.spec.whatwg.org/multipage/browsers.html#active-sandboxing-flag-set" id="ref-for-active-sandboxing-flag-set">active sandboxing flag set</a> as is standard for <code class="idl"><a data-link-type="idl" href="https://dom.spec.whatwg.org/#document" id="ref-for-document②">Document</a></code>s in normal <a data-link-type="dfn" href="https://html.spec.whatwg.org/multipage/document-sequences.html#child-navigable" id="ref-for-child-navigable③">child navigables</a>. If we did not do this, then the <code><a data-link-type="element" href="#elementdef-fencedframe" id="ref-for-elementdef-fencedframe②①">fencedframe</a></code> element would be a trivial
+   <p class="example" id="unfenced-sandbox-inheritance"><a class="self-link" href="#unfenced-sandbox-inheritance"></a>On the other hand, when a <code><a data-link-type="element" href="#elementdef-fencedframe" id="ref-for-elementdef-fencedframe②②">fencedframe</a></code>'s <a data-link-type="dfn" href="#fenced-navigable-container-fenced-navigable" id="ref-for-fenced-navigable-container-fenced-navigable⑨">fenced navigable</a> gets <a data-link-type="dfn" href="#create-a-new-nested-traversable" id="ref-for-create-a-new-nested-traversable①">created</a> or <a data-link-type="dfn" href="https://html.spec.whatwg.org/multipage/browsing-the-web.html#navigate" id="ref-for-navigate②">navigated</a>, it <span class="allow-2119">must</span> <a href="https://html.spec.whatwg.org/#sandboxing:active-sandboxing-flag-set-3">inherit</a> its embedder <code class="idl"><a data-link-type="idl" href="https://dom.spec.whatwg.org/#document" id="ref-for-document②">Document</a></code>'s <a data-link-type="dfn" href="https://html.spec.whatwg.org/multipage/browsers.html#active-sandboxing-flag-set" id="ref-for-active-sandboxing-flag-set">active sandboxing flag set</a> as is standard for <code class="idl"><a data-link-type="idl" href="https://dom.spec.whatwg.org/#document" id="ref-for-document③">Document</a></code>s in normal <a data-link-type="dfn" href="https://html.spec.whatwg.org/multipage/document-sequences.html#child-navigable" id="ref-for-child-navigable③">child navigables</a>. If we did not do this, then the <code><a data-link-type="element" href="#elementdef-fencedframe" id="ref-for-elementdef-fencedframe②③">fencedframe</a></code> element would be a trivial
 sandbox bypass.</p>
    <p>To provide the isolation mentioned above, and its conditional relaxation, this specification defines
 a new kind of "<em>parent</em>" for <a data-link-type="dfn" href="https://html.spec.whatwg.org/multipage/document-sequences.html#traversable-navigable" id="ref-for-traversable-navigable⑤">traversable navigables</a> called an <a data-link-type="dfn" href="#traversable-navigable-unfenced-parent" id="ref-for-traversable-navigable-unfenced-parent">unfenced
 parent</a>, which provides a link to its embedder that algorithms can intentionally use when they need
 to be "<em>unfenced</em>", as described above.</p>
    <p class="note" role="note"><span class="marker">Note:</span> Introducing a new kind of parent (<a data-link-type="dfn" href="#traversable-navigable-unfenced-parent" id="ref-for-traversable-navigable-unfenced-parent①">unfenced parent</a>) is an intentional
-design decision. It means that by default, the <code><a data-link-type="element" href="#elementdef-fencedframe" id="ref-for-elementdef-fencedframe②②">fencedframe</a></code> boundary is private and isolated,
-since by default nothing in the web platform traverses from a <code><a data-link-type="element" href="#elementdef-fencedframe" id="ref-for-elementdef-fencedframe②③">fencedframe</a></code>'s <a data-link-type="dfn" href="#fenced-navigable-container-fenced-navigable" id="ref-for-fenced-navigable-container-fenced-navigable⑨">fenced navigable</a> to its embedder. Care <span class="allow-2119">must</span> be taken when
-modifying algorithms to make them capable of traversing across the <code><a data-link-type="element" href="#elementdef-fencedframe" id="ref-for-elementdef-fencedframe②④">fencedframe</a></code> <a data-link-type="dfn" href="#fenced-navigable-container-fenced-navigable" id="ref-for-fenced-navigable-container-fenced-navigable①⓪">fenced navigable</a> boundary, and each modification of this sort will be evaluated
+design decision. It means that by default, the <code><a data-link-type="element" href="#elementdef-fencedframe" id="ref-for-elementdef-fencedframe②④">fencedframe</a></code> boundary is private and isolated,
+since by default nothing in the web platform traverses from a <code><a data-link-type="element" href="#elementdef-fencedframe" id="ref-for-elementdef-fencedframe②⑤">fencedframe</a></code>'s <a data-link-type="dfn" href="#fenced-navigable-container-fenced-navigable" id="ref-for-fenced-navigable-container-fenced-navigable①⓪">fenced navigable</a> to its embedder. Care <span class="allow-2119">must</span> be taken when
+modifying algorithms to make them capable of traversing across the <code><a data-link-type="element" href="#elementdef-fencedframe" id="ref-for-elementdef-fencedframe②⑥">fencedframe</a></code> <a data-link-type="dfn" href="#fenced-navigable-container-fenced-navigable" id="ref-for-fenced-navigable-container-fenced-navigable①①">fenced navigable</a> boundary, and each modification of this sort will be evaluated
 independently and appear in this specification.</p>
    <p>The rest of this section provides patches to various <a data-link-type="biblio" href="#biblio-html" title="HTML Standard">[HTML]</a> definitions (and their uses) that deal
 with collections of related navigables, with the intention of fencing and unfencing various parts of
@@ -1729,7 +1739,7 @@ <h4 class="heading settled" data-level="2.3.2" id="traversable-navigables"><span
     <li data-md>
      <p>An <dfn class="dfn-paneled" data-dfn-for="traversable navigable" data-dfn-type="dfn" data-noexport id="traversable-navigable-unfenced-parent">unfenced parent</dfn>, a <a data-link-type="dfn" href="https://html.spec.whatwg.org/multipage/document-sequences.html#navigable" id="ref-for-navigable③">navigable</a> or null, initially null.</p>
    </ul>
-   <p class="note" role="note"><span class="marker">Note:</span> The <a data-link-type="dfn" href="#traversable-navigable-unfenced-parent" id="ref-for-traversable-navigable-unfenced-parent②">unfenced parent</a> link is what gives a <code><a data-link-type="element" href="#elementdef-fencedframe" id="ref-for-elementdef-fencedframe②⑤">fencedframe</a></code>'s <a data-link-type="dfn" href="#fenced-navigable-container-fenced-navigable" id="ref-for-fenced-navigable-container-fenced-navigable①①">fenced navigable</a> a link to its embedder, which is used carefully for
+   <p class="note" role="note"><span class="marker">Note:</span> The <a data-link-type="dfn" href="#traversable-navigable-unfenced-parent" id="ref-for-traversable-navigable-unfenced-parent②">unfenced parent</a> link is what gives a <code><a data-link-type="element" href="#elementdef-fencedframe" id="ref-for-elementdef-fencedframe②⑦">fencedframe</a></code>'s <a data-link-type="dfn" href="#fenced-navigable-container-fenced-navigable" id="ref-for-fenced-navigable-container-fenced-navigable①②">fenced navigable</a> a link to its embedder, which is used carefully for
 things that need to be "<em>unfenced</em>", like some algorithms in the focus processing model.</p>
    <div class="algorithm" data-algorithm="unfenced parent" data-algorithm-for="navigable">
      To get a <a data-link-type="dfn" href="https://html.spec.whatwg.org/multipage/document-sequences.html#navigable" id="ref-for-navigable④">navigable</a> <var>navigable</var>’s <dfn class="dfn-paneled" data-dfn-for="navigable" data-dfn-type="dfn" data-noexport id="navigable-unfenced-parent">unfenced parent</dfn>: 
@@ -1737,7 +1747,7 @@ <h4 class="heading settled" data-level="2.3.2" id="traversable-navigables"><span
      <li data-md>
       <p>If <var>navigable</var> is a <a data-link-type="dfn" href="https://html.spec.whatwg.org/multipage/document-sequences.html#child-navigable" id="ref-for-child-navigable④">child navigable</a>, return <var>navigable</var>’s <a data-link-type="dfn" href="https://html.spec.whatwg.org/multipage/document-sequences.html#nav-parent" id="ref-for-nav-parent①">parent</a>.</p>
      <li data-md>
-      <p><a data-link-type="dfn" href="https://infra.spec.whatwg.org/#assert" id="ref-for-assert①">Assert</a>: <var>navigable</var> is a <a data-link-type="dfn" href="#fenced-navigable-container-fenced-navigable" id="ref-for-fenced-navigable-container-fenced-navigable①②">fenced navigable</a>.</p>
+      <p><a data-link-type="dfn" href="https://infra.spec.whatwg.org/#assert" id="ref-for-assert①">Assert</a>: <var>navigable</var> is a <a data-link-type="dfn" href="#fenced-navigable-container-fenced-navigable" id="ref-for-fenced-navigable-container-fenced-navigable①③">fenced navigable</a>.</p>
      <li data-md>
       <p>Return <var>navigable</var>’s <a data-link-type="dfn" href="#traversable-navigable-unfenced-parent" id="ref-for-traversable-navigable-unfenced-parent③">unfenced parent</a>.</p>
     </ol>
@@ -1756,7 +1766,7 @@ <h4 class="heading settled" data-level="2.3.3" id="nested-traversables-inner"><s
    <p>In <a data-link-type="biblio" href="#biblio-html" title="HTML Standard">[HTML]</a>'s <a href="https://html.spec.whatwg.org/multipage/document-sequences.html#navigables">Navigables</a> section, add a new subsection titled "Nested traversables" with the following text, definitions, and
 algorithms.</p>
    <p>Similar to <a data-link-type="dfn" href="https://html.spec.whatwg.org/multipage/document-sequences.html#navigable-container" id="ref-for-navigable-container①">navigable containers</a> and their respective <a data-link-type="dfn" href="https://html.spec.whatwg.org/multipage/document-sequences.html#content-navigable" id="ref-for-content-navigable①">content navigables</a>,
-other elements (so far, only the <code><a data-link-type="element" href="#elementdef-fencedframe" id="ref-for-elementdef-fencedframe②⑥">fencedframe</a></code> element) present a more isolated <a data-link-type="dfn" href="https://html.spec.whatwg.org/multipage/document-sequences.html#navigable" id="ref-for-navigable⑦">navigable</a> to
+other elements (so far, only the <code><a data-link-type="element" href="#elementdef-fencedframe" id="ref-for-elementdef-fencedframe②⑧">fencedframe</a></code> element) present a more isolated <a data-link-type="dfn" href="https://html.spec.whatwg.org/multipage/document-sequences.html#navigable" id="ref-for-navigable⑦">navigable</a> to
 the user. These elements are called <dfn class="dfn-paneled" data-dfn-type="dfn" data-noexport id="fenced-navigable-containers">fenced navigable containers</dfn>.</p>
    <p>A <a data-link-type="dfn" href="#fenced-navigable-containers" id="ref-for-fenced-navigable-containers">fenced navigable container</a> has a <dfn class="dfn-paneled" data-dfn-for="fenced navigable container" data-dfn-type="dfn" data-noexport id="fenced-navigable-container-fenced-navigable">fenced navigable</dfn>,
 which is either a <a data-link-type="dfn" href="https://html.spec.whatwg.org/multipage/document-sequences.html#traversable-navigable" id="ref-for-traversable-navigable⑧">traversable navigable</a> with a non-null <a data-link-type="dfn" href="#traversable-navigable-unfenced-parent" id="ref-for-traversable-navigable-unfenced-parent⑤">unfenced
@@ -1796,7 +1806,7 @@ <h4 class="heading settled" data-level="2.3.3" id="nested-traversables-inner"><s
      <li data-md>
       <p><a data-link-type="dfn" href="#initialize-the-nested-traversable" id="ref-for-initialize-the-nested-traversable">Initialize the nested traversable</a> <var>traversable</var> given <var>documentState</var> and <var>parentNavigable</var>.</p>
      <li data-md>
-      <p>Set <var>element</var>’s <a data-link-type="dfn" href="#fenced-navigable-container-fenced-navigable" id="ref-for-fenced-navigable-container-fenced-navigable①③">fenced navigable</a> to <var>traversable</var>.</p>
+      <p>Set <var>element</var>’s <a data-link-type="dfn" href="#fenced-navigable-container-fenced-navigable" id="ref-for-fenced-navigable-container-fenced-navigable①④">fenced navigable</a> to <var>traversable</var>.</p>
      <li data-md>
       <p>Let <var>initialHistoryEntry</var> be <var>traversable</var>’s <a data-link-type="dfn" href="https://html.spec.whatwg.org/multipage/document-sequences.html#nav-active-history-entry" id="ref-for-nav-active-history-entry">active session history entry</a>.</p>
      <li data-md>
@@ -1818,10 +1828,10 @@ <h4 class="heading settled" data-level="2.3.4" id="top-level-traversables"><span
 navigables</a> are <a data-link-type="dfn" href="#top-level-traversable" id="ref-for-top-level-traversable③">top-level traversables</a>, but "envisions" future specifications that may want to
 create a kind of <a data-link-type="dfn" href="https://html.spec.whatwg.org/multipage/document-sequences.html#traversable-navigable" id="ref-for-traversable-navigable①③">traversable</a> that is nested, and achieves the nesting
 through a non-null <a data-link-type="dfn" href="https://html.spec.whatwg.org/multipage/document-sequences.html#nav-parent" id="ref-for-nav-parent④">parent</a>; hence the distinction between <a data-link-type="dfn" href="#top-level-traversable" id="ref-for-top-level-traversable④">top-level traversables</a> and <a data-link-type="dfn" href="https://html.spec.whatwg.org/multipage/document-sequences.html#traversable-navigable" id="ref-for-traversable-navigable①④">traversable navigables</a> relies on the <a data-link-type="dfn" href="https://html.spec.whatwg.org/multipage/document-sequences.html#nav-parent" id="ref-for-nav-parent⑤">parent</a> null-ness.</p>
-   <p>The <a data-link-type="dfn" href="#fenced-navigable-container-fenced-navigable" id="ref-for-fenced-navigable-container-fenced-navigable①④">fenced navigable</a> this specification proposes is precisely what <a data-link-type="biblio" href="#biblio-html" title="HTML Standard">[HTML]</a> envisioned when carving out space for the distinction between <a data-link-type="dfn" href="#top-level-traversable" id="ref-for-top-level-traversable⑤">top-level traversables</a> and <a data-link-type="dfn" href="https://html.spec.whatwg.org/multipage/document-sequences.html#traversable-navigable" id="ref-for-traversable-navigable①⑤">traversable navigables</a>, however this specification does not make use of the <a data-link-type="dfn" href="https://html.spec.whatwg.org/multipage/document-sequences.html#nav-parent" id="ref-for-nav-parent⑥">parent</a> pointer for <a data-link-type="dfn" href="#fenced-navigable-container-fenced-navigable" id="ref-for-fenced-navigable-container-fenced-navigable①⑤">fenced navigables</a>, for reasons
-described <a href="#nested-traversables-intro">above</a> (instead they use the <a data-link-type="dfn" href="#traversable-navigable-unfenced-parent" id="ref-for-traversable-navigable-unfenced-parent⑦">unfenced parent</a> pointer). That means by default, both <a data-link-type="dfn" href="#top-level-traversable" id="ref-for-top-level-traversable⑥">top-level traversables</a> and <a data-link-type="dfn" href="#fenced-navigable-container-fenced-navigable" id="ref-for-fenced-navigable-container-fenced-navigable①⑥">fenced navigables</a> both have null <a data-link-type="dfn" href="https://html.spec.whatwg.org/multipage/document-sequences.html#nav-parent" id="ref-for-nav-parent⑦">parents</a>, which renders
+   <p>The <a data-link-type="dfn" href="#fenced-navigable-container-fenced-navigable" id="ref-for-fenced-navigable-container-fenced-navigable①⑤">fenced navigable</a> this specification proposes is precisely what <a data-link-type="biblio" href="#biblio-html" title="HTML Standard">[HTML]</a> envisioned when carving out space for the distinction between <a data-link-type="dfn" href="#top-level-traversable" id="ref-for-top-level-traversable⑤">top-level traversables</a> and <a data-link-type="dfn" href="https://html.spec.whatwg.org/multipage/document-sequences.html#traversable-navigable" id="ref-for-traversable-navigable①⑤">traversable navigables</a>, however this specification does not make use of the <a data-link-type="dfn" href="https://html.spec.whatwg.org/multipage/document-sequences.html#nav-parent" id="ref-for-nav-parent⑥">parent</a> pointer for <a data-link-type="dfn" href="#fenced-navigable-container-fenced-navigable" id="ref-for-fenced-navigable-container-fenced-navigable①⑥">fenced navigables</a>, for reasons
+described <a href="#nested-traversables-intro">above</a> (instead they use the <a data-link-type="dfn" href="#traversable-navigable-unfenced-parent" id="ref-for-traversable-navigable-unfenced-parent⑦">unfenced parent</a> pointer). That means by default, both <a data-link-type="dfn" href="#top-level-traversable" id="ref-for-top-level-traversable⑥">top-level traversables</a> and <a data-link-type="dfn" href="#fenced-navigable-container-fenced-navigable" id="ref-for-fenced-navigable-container-fenced-navigable①⑦">fenced navigables</a> both have null <a data-link-type="dfn" href="https://html.spec.whatwg.org/multipage/document-sequences.html#nav-parent" id="ref-for-nav-parent⑦">parents</a>, which renders
 the distinction meaningless.</p>
-   <p>To mend the intended distinction between <a data-link-type="dfn" href="#top-level-traversable" id="ref-for-top-level-traversable⑦">top-level traversables</a> and <a data-link-type="dfn" href="#fenced-navigable-container-fenced-navigable" id="ref-for-fenced-navigable-container-fenced-navigable①⑦">fenced navigables</a>, patch the following definitions like so:</p>
+   <p>To mend the intended distinction between <a data-link-type="dfn" href="#top-level-traversable" id="ref-for-top-level-traversable⑦">top-level traversables</a> and <a data-link-type="dfn" href="#fenced-navigable-container-fenced-navigable" id="ref-for-fenced-navigable-container-fenced-navigable①⑧">fenced navigables</a>, patch the following definitions like so:</p>
    <div class="algorithm" data-algorithm="top-level traversable"> A <dfn class="dfn-paneled" data-dfn-type="dfn" data-noexport id="top-level-traversable">top-level traversable</dfn> is a <a data-link-type="dfn" href="https://html.spec.whatwg.org/multipage/document-sequences.html#traversable-navigable" id="ref-for-traversable-navigable①⑥">traversable navigable</a> whose <a data-link-type="dfn" href="https://html.spec.whatwg.org/multipage/document-sequences.html#nav-parent" id="ref-for-nav-parent⑧">parent</a> and <a data-link-type="dfn" href="#traversable-navigable-unfenced-parent" id="ref-for-traversable-navigable-unfenced-parent⑧">unfenced parent</a> are both null. </div>
    <p><br></p>
    <div class="algorithm" data-algorithm="top-level traversable" data-algorithm-for="navigable">
@@ -1868,10 +1878,10 @@ <h3 class="heading settled" data-level="2.4" id="navigable-traversing-algorithms
       <p><a data-link-type="dfn" href="https://infra.spec.whatwg.org/#list-iterate" id="ref-for-list-iterate①">For each</a> <var>navigableContainer</var> of <var>navigableContainers</var>:</p>
       <ol>
        <li data-md>
-        <p>If <var>navigableContainer</var>’s <a data-link-type="dfn" href="https://html.spec.whatwg.org/multipage/document-sequences.html#content-navigable" id="ref-for-content-navigable②">content navigable</a> and <a data-link-type="dfn" href="#fenced-navigable-container-fenced-navigable" id="ref-for-fenced-navigable-container-fenced-navigable①⑧">fenced navigable</a> are both null, then <a data-link-type="dfn" href="https://infra.spec.whatwg.org/#iteration-continue" id="ref-for-iteration-continue">continue</a>.</p>
+        <p>If <var>navigableContainer</var>’s <a data-link-type="dfn" href="https://html.spec.whatwg.org/multipage/document-sequences.html#content-navigable" id="ref-for-content-navigable②">content navigable</a> and <a data-link-type="dfn" href="#fenced-navigable-container-fenced-navigable" id="ref-for-fenced-navigable-container-fenced-navigable①⑨">fenced navigable</a> are both null, then <a data-link-type="dfn" href="https://infra.spec.whatwg.org/#iteration-continue" id="ref-for-iteration-continue">continue</a>.</p>
        <li data-md>
         <p>Let <var>descendantNavigable</var> be either <var>navigableContainer</var>’s <a data-link-type="dfn" href="https://html.spec.whatwg.org/multipage/document-sequences.html#content-navigable" id="ref-for-content-navigable③">content
- navigable</a> or <a data-link-type="dfn" href="#fenced-navigable-container-fenced-navigable" id="ref-for-fenced-navigable-container-fenced-navigable①⑨">fenced navigable</a>, whichever is non-null.</p>
+ navigable</a> or <a data-link-type="dfn" href="#fenced-navigable-container-fenced-navigable" id="ref-for-fenced-navigable-container-fenced-navigable②⓪">fenced navigable</a>, whichever is non-null.</p>
        <li data-md>
         <p><a data-link-type="dfn" href="https://infra.spec.whatwg.org/#list-extend" id="ref-for-list-extend①">Extend</a> <var>navigables</var> with <var>descendantNavigable</var>’s <a data-link-type="dfn" href="https://html.spec.whatwg.org/multipage/document-sequences.html#nav-document" id="ref-for-nav-document①">active document</a>'s <a data-link-type="dfn" href="https://html.spec.whatwg.org/multipage/document-sequences.html#inclusive-descendant-navigables" id="ref-for-inclusive-descendant-navigables①">inclusive descendant navigables</a> with <a data-link-type="dfn" href="#inclusive-dn-unfenced" id="ref-for-inclusive-dn-unfenced①">unfenced</a> set to <a data-link-type="dfn" href="#dn-unfenced" id="ref-for-dn-unfenced②">dn-unfenced</a>.</p>
       </ol>
@@ -1884,16 +1894,16 @@ <h3 class="heading settled" data-level="2.5" id="focusing-changes"><span class="
 and through script-initiated APIs. Since fenced frames are designed to prevent communication across
 a fenced frame boundary, we need to handle focusing carefully. This is because when focus is pulled
 across a fenced frame boundary, contexts on both sides of the boundary can detect that change, which
-can be used to open a communication channel between a <code><a data-link-type="element" href="#elementdef-fencedframe" id="ref-for-elementdef-fencedframe②⑦">fencedframe</a></code> and its embedder.</p>
+can be used to open a communication channel between a <code><a data-link-type="element" href="#elementdef-fencedframe" id="ref-for-elementdef-fencedframe②⑨">fencedframe</a></code> and its embedder.</p>
    <p>We do this is by not allowing the <a data-link-type="dfn" href="https://html.spec.whatwg.org/multipage/interaction.html#focusing-steps" id="ref-for-focusing-steps">focusing steps</a> to move script-initiated focus across a fenced
 frame boundary.</p>
-   <p class="example" id="user-initiated-focus"><a class="self-link" href="#user-initiated-focus"></a>When a user clicks on an element like a <code><a data-link-type="element" href="https://html.spec.whatwg.org/multipage/form-elements.html#the-button-element" id="ref-for-the-button-element">button</a></code> inside a <code><a data-link-type="element" href="#elementdef-fencedframe" id="ref-for-elementdef-fencedframe②⑧">fencedframe</a></code> while another element <em>outside</em> of the <code><a data-link-type="element" href="#elementdef-fencedframe" id="ref-for-elementdef-fencedframe②⑨">fencedframe</a></code> is <a data-link-type="dfn" href="https://html.spec.whatwg.org/multipage/interaction.html#focused" id="ref-for-focused">focused</a>, because this
+   <p class="example" id="user-initiated-focus"><a class="self-link" href="#user-initiated-focus"></a>When a user clicks on an element like a <code><a data-link-type="element" href="https://html.spec.whatwg.org/multipage/form-elements.html#the-button-element" id="ref-for-the-button-element">button</a></code> inside a <code><a data-link-type="element" href="#elementdef-fencedframe" id="ref-for-elementdef-fencedframe③⓪">fencedframe</a></code> while another element <em>outside</em> of the <code><a data-link-type="element" href="#elementdef-fencedframe" id="ref-for-elementdef-fencedframe③①">fencedframe</a></code> is <a data-link-type="dfn" href="https://html.spec.whatwg.org/multipage/interaction.html#focused" id="ref-for-focused">focused</a>, because this
 is a user-initiated action, the <a data-link-type="dfn" href="https://html.spec.whatwg.org/multipage/interaction.html#focusing-steps" id="ref-for-focusing-steps①">focusing steps</a> will allow the <code><a data-link-type="element" href="https://html.spec.whatwg.org/multipage/form-elements.html#the-button-element" id="ref-for-the-button-element①">button</a></code> to <a data-link-type="dfn" href="https://html.spec.whatwg.org/multipage/interaction.html#gains-focus" id="ref-for-gains-focus">gain focus</a>.
-Without allowing that, no element inside of a <code><a data-link-type="element" href="#elementdef-fencedframe" id="ref-for-elementdef-fencedframe③⓪">fencedframe</a></code> would never be able <a data-link-type="dfn" href="https://html.spec.whatwg.org/multipage/interaction.html#gains-focus" id="ref-for-gains-focus①">gain
+Without allowing that, no element inside of a <code><a data-link-type="element" href="#elementdef-fencedframe" id="ref-for-elementdef-fencedframe③②">fencedframe</a></code> would never be able <a data-link-type="dfn" href="https://html.spec.whatwg.org/multipage/interaction.html#gains-focus" id="ref-for-gains-focus①">gain
 focus</a>.</p>
    <p class="example" id="script-initiated-focus"><a class="self-link" href="#script-initiated-focus"></a>If we were to continue blindly allowing all elements to
 be <a data-link-type="dfn" href="https://html.spec.whatwg.org/multipage/interaction.html#focused" id="ref-for-focused①">focused</a> via the <code class="idl"><a data-link-type="idl" href="https://html.spec.whatwg.org/multipage/interaction.html#dom-focus" id="ref-for-dom-focus">focus()</a></code> method as is the status quo before this
-specification, a <a data-link-type="dfn" href="#fenced-navigable-containers" id="ref-for-fenced-navigable-containers②">fenced navigable container</a> and its <a data-link-type="dfn" href="#fenced-navigable-container-fenced-navigable" id="ref-for-fenced-navigable-container-fenced-navigable②⓪">fenced
+specification, a <a data-link-type="dfn" href="#fenced-navigable-containers" id="ref-for-fenced-navigable-containers②">fenced navigable container</a> and its <a data-link-type="dfn" href="#fenced-navigable-container-fenced-navigable" id="ref-for-fenced-navigable-container-fenced-navigable②①">fenced
 navigable</a> could use a sequence of <code class="idl"><a data-link-type="idl" href="https://html.spec.whatwg.org/multipage/interaction.html#dom-focus" id="ref-for-dom-focus①">focus()</a></code> calls to send arbitrary data across
 the fenced frame boundary, which is a privacy leak. To avoid this, we effectively "fence" the <code class="idl"><a data-link-type="idl" href="https://html.spec.whatwg.org/multipage/interaction.html#dom-focus" id="ref-for-dom-focus②">focus()</a></code> method, which sacrifices some functionality for privacy.</p>
    <div class="algorithm" data-algorithm="focusing-steps-patch">
@@ -1901,12 +1911,12 @@ <h3 class="heading settled" data-level="2.5" id="focusing-changes"><span class="
     <p>Add a new step after step 3 of the algorithm (that changes new focus target) that reads:</p>
     <ol start="4">
      <li data-md>
-      <p>If <var>new focus target</var> is a <a data-link-type="dfn" href="#fenced-navigable-containers" id="ref-for-fenced-navigable-containers③">fenced navigable container</a> with non-null <a data-link-type="dfn" href="#fenced-navigable-container-fenced-navigable" id="ref-for-fenced-navigable-container-fenced-navigable②①">fenced navigable</a>, then set <var>new focus target</var> to the <a data-link-type="dfn" href="#fenced-navigable-container-fenced-navigable" id="ref-for-fenced-navigable-container-fenced-navigable②②">fenced navigable</a>'s <a data-link-type="dfn" href="https://html.spec.whatwg.org/multipage/document-sequences.html#nav-document" id="ref-for-nav-document②">active document</a>.</p>
+      <p>If <var>new focus target</var> is a <a data-link-type="dfn" href="#fenced-navigable-containers" id="ref-for-fenced-navigable-containers③">fenced navigable container</a> with non-null <a data-link-type="dfn" href="#fenced-navigable-container-fenced-navigable" id="ref-for-fenced-navigable-container-fenced-navigable②②">fenced navigable</a>, then set <var>new focus target</var> to the <a data-link-type="dfn" href="#fenced-navigable-container-fenced-navigable" id="ref-for-fenced-navigable-container-fenced-navigable②③">fenced navigable</a>'s <a data-link-type="dfn" href="https://html.spec.whatwg.org/multipage/document-sequences.html#nav-document" id="ref-for-nav-document②">active document</a>.</p>
     </ol>
     <p>Add a new step after the step that defines the <var>new chain</var> variable, that reads:</p>
     <ol start="9">
      <li data-md>
-      <p>If <a data-link-type="dfn" href="#focus-unfenced" id="ref-for-focus-unfenced">unfenced</a> is false, <var>new chain</var> <a data-link-type="dfn" href="https://infra.spec.whatwg.org/#list-contain" id="ref-for-list-contain">contains</a> a <code class="idl"><a data-link-type="idl" href="https://dom.spec.whatwg.org/#document" id="ref-for-document③">Document</a></code> <var>document</var> whose <a data-link-type="dfn" href="https://html.spec.whatwg.org/multipage/document-sequences.html#node-navigable" id="ref-for-node-navigable④">node navigable</a>'s <a data-link-type="dfn" href="https://html.spec.whatwg.org/multipage/document-sequences.html#nav-traversable" id="ref-for-nav-traversable③">traversable navigable</a> is a <a data-link-type="dfn" href="#fenced-navigable-container-fenced-navigable" id="ref-for-fenced-navigable-container-fenced-navigable②③">fenced navigable</a>, and <var>old chain</var> does not also <a data-link-type="dfn" href="https://infra.spec.whatwg.org/#list-contain" id="ref-for-list-contain①">contain</a> <var>document</var>, then return.</p>
+      <p>If <a data-link-type="dfn" href="#focus-unfenced" id="ref-for-focus-unfenced">unfenced</a> is false, <var>new chain</var> <a data-link-type="dfn" href="https://infra.spec.whatwg.org/#list-contain" id="ref-for-list-contain">contains</a> a <code class="idl"><a data-link-type="idl" href="https://dom.spec.whatwg.org/#document" id="ref-for-document④">Document</a></code> <var>document</var> whose <a data-link-type="dfn" href="https://html.spec.whatwg.org/multipage/document-sequences.html#node-navigable" id="ref-for-node-navigable④">node navigable</a>'s <a data-link-type="dfn" href="https://html.spec.whatwg.org/multipage/document-sequences.html#nav-traversable" id="ref-for-nav-traversable③">traversable navigable</a> is a <a data-link-type="dfn" href="#fenced-navigable-container-fenced-navigable" id="ref-for-fenced-navigable-container-fenced-navigable②④">fenced navigable</a>, and <var>old chain</var> does not also <a data-link-type="dfn" href="https://infra.spec.whatwg.org/#list-contain" id="ref-for-list-contain①">contain</a> <var>document</var>, then return.</p>
       <p class="note" role="note"><span class="marker">Note:</span> This is how we bail-out early just before calling the <a data-link-type="dfn" href="https://html.spec.whatwg.org/multipage/interaction.html#focus-update-steps" id="ref-for-focus-update-steps">focus update steps</a>, in the case
 where focus is trying to cross the fence.</p>
     </ol>
@@ -1915,12 +1925,12 @@ <h3 class="heading settled" data-level="2.5" id="focusing-changes"><span class="
   move the focus to <var>candidate</var>.</p>
    </div>
    <div class="algorithm" data-algorithm="access-key-patch">
-     Modify the action of the <a data-link-type="dfn" href="https://html.spec.whatwg.org/multipage/interactive-elements.html#using-the-accesskey-attribute-to-define-a-command-on-other-elements" id="ref-for-using-the-accesskey-attribute-to-define-a-command-on-other-elements">accesskey attribute command</a> algorithm to be: 
+     Modify the action of the <a data-link-type="dfn" href="https://w3c.github.io/webappsec-csp/interactive-elements.html#using-the-accesskey-attribute-to-define-a-command-on-other-elements" id="ref-for-using-the-accesskey-attribute-to-define-a-command-on-other-elements">accesskey attribute command</a> algorithm to be: 
     <ol>
      <li data-md>
       <p>Run the <a data-link-type="dfn" href="https://html.spec.whatwg.org/multipage/interaction.html#focusing-steps" id="ref-for-focusing-steps⑤">focusing steps</a> for the element with <a data-link-type="dfn" href="#focus-unfenced" id="ref-for-focus-unfenced②">unfenced</a> set to true.</p>
      <li data-md>
-      <p><a data-link-type="dfn" href="https://html.spec.whatwg.org/multipage/webappapis.html#fire-a-click-event" id="ref-for-fire-a-click-event">Fire a <code>click</code> event</a> at the element.</p>
+      <p><a data-link-type="dfn" href="https://w3c.github.io/webappsec-csp/webappapis.html#fire-a-click-event" id="ref-for-fire-a-click-event">Fire a <code>click</code> event</a> at the element.</p>
     </ol>
    </div>
    <div class="algorithm" data-algorithm="activation-patch">
@@ -1930,13 +1940,13 @@ <h3 class="heading settled" data-level="2.5" id="focusing-changes"><span class="
   to "<code>click</code>" and <a data-link-type="dfn" href="#focus-unfenced" id="ref-for-focus-unfenced③">unfenced</a> set to true.</p>
    </div>
    <div class="algorithm" data-algorithm="hide-popover-patch">
-     Modify step 10 of the <a data-link-type="dfn" href="https://html.spec.whatwg.org/multipage/popover.html#hide-popover-algorithm" id="ref-for-hide-popover-algorithm">hide popover algorithm</a> to read: 
+     Modify step 10 of the <a data-link-type="dfn" href="https://w3c.github.io/webappsec-csp/popover.html#hide-popover-algorithm" id="ref-for-hide-popover-algorithm">hide popover algorithm</a> to read: 
     <ol start="10">
      <li data-md>
       <p>If <var>previouslyFocusedElement</var> is not null, then:</p>
       <ol>
        <li data-md>
-        <p>Set <var>element</var>’s <a data-link-type="dfn" href="https://html.spec.whatwg.org/multipage/interactive-elements.html#previously-focused-element" id="ref-for-previously-focused-element">previously focused element</a> to null.</p>
+        <p>Set <var>element</var>’s <a data-link-type="dfn" href="https://w3c.github.io/webappsec-csp/interactive-elements.html#previously-focused-element" id="ref-for-previously-focused-element">previously focused element</a> to null.</p>
        <li data-md>
         <p>If <var>focusPreviousElement</var> is true, then run the <a data-link-type="dfn" href="https://html.spec.whatwg.org/multipage/interaction.html#focusing-steps" id="ref-for-focusing-steps⑦">focusing steps</a> for <var>previouslyFocusedElement</var> with <a data-link-type="dfn" href="#focus-unfenced" id="ref-for-focus-unfenced④">unfenced</a> set to true; the viewport
 should not be scrolled by doing this step.</p>
@@ -1946,20 +1956,20 @@ <h3 class="heading settled" data-level="2.5" id="focusing-changes"><span class="
   of whether this was called from user gesture or via a script call.</p>
    </div>
    <div class="algorithm" data-algorithm="interactively-validate-patch">
-     Modify the first bullet point of step 3 of the <a data-link-type="dfn" href="https://html.spec.whatwg.org/multipage/form-control-infrastructure.html#interactively-validate-the-constraints" id="ref-for-interactively-validate-the-constraints">interactively validate the constraints</a> algorithm to read: 
+     Modify the first bullet point of step 3 of the <a data-link-type="dfn" href="https://w3c.github.io/webappsec-csp/form-control-infrastructure.html#interactively-validate-the-constraints" id="ref-for-interactively-validate-the-constraints">interactively validate the constraints</a> algorithm to read: 
     <ul>
      <li data-md>
       <p>User agents may focus one of those elements in the process, by running the <a data-link-type="dfn" href="https://html.spec.whatwg.org/multipage/interaction.html#focusing-steps" id="ref-for-focusing-steps⑨">focusing steps</a> for that element, and may change the scrolling position of the
 document, or perform some other action that brings the element to the user’s attention.
-If these steps were invoked by user gesture, <a data-link-type="dfn" href="https://html.spec.whatwg.org/multipage/interaction.html#focusing-steps" id="ref-for-focusing-steps①⓪">focusing steps</a> can be called with <a data-link-type="dfn" href="#focus-unfenced" id="ref-for-focus-unfenced⑥">unfenced</a> set to true. For elements that are <a data-link-type="dfn" href="https://html.spec.whatwg.org/multipage/custom-elements.html#form-associated-custom-element" id="ref-for-form-associated-custom-element">form-associated custom elements</a>, user agents should use their <a data-link-type="dfn" href="https://html.spec.whatwg.org/multipage/custom-elements.html#face-validation-anchor" id="ref-for-face-validation-anchor">face validation anchor</a> instead, for the purposes of these actions.</p>
+If these steps were invoked by user gesture, <a data-link-type="dfn" href="https://html.spec.whatwg.org/multipage/interaction.html#focusing-steps" id="ref-for-focusing-steps①⓪">focusing steps</a> can be called with <a data-link-type="dfn" href="#focus-unfenced" id="ref-for-focus-unfenced⑥">unfenced</a> set to true. For elements that are <a data-link-type="dfn" href="https://html.spec.whatwg.org/multipage/custom-elements.html#form-associated-custom-element" id="ref-for-form-associated-custom-element">form-associated custom elements</a>, user agents should use their <a data-link-type="dfn" href="https://w3c.github.io/webappsec-csp/custom-elements.html#face-validation-anchor" id="ref-for-face-validation-anchor">face validation anchor</a> instead, for the purposes of these actions.</p>
     </ul>
    </div>
    <div class="algorithm" data-algorithm="has-focus-steps">
      Add a step after step 2 of the while loop in the <a data-link-type="dfn" href="https://html.spec.whatwg.org/multipage/interaction.html#has-focus-steps" id="ref-for-has-focus-steps">has focus steps</a> algorithm that reads: 
     <ol start="3">
      <li data-md>
-      <p>If the <a data-link-type="dfn" href="https://html.spec.whatwg.org/multipage/interaction.html#focused-area-of-the-document" id="ref-for-focused-area-of-the-document">focused area</a> of <var>candidate</var> is a <a data-link-type="dfn" href="#fenced-navigable-containers" id="ref-for-fenced-navigable-containers④">fenced navigable container</a> with a non-null <a data-link-type="dfn" href="#fenced-navigable-container-fenced-navigable" id="ref-for-fenced-navigable-container-fenced-navigable②④">fenced navigable</a>, then set <var>candidate</var> to the <a data-link-type="dfn" href="https://html.spec.whatwg.org/multipage/document-sequences.html#nav-document" id="ref-for-nav-document③">active
-document</a> of that <a data-link-type="dfn" href="#fenced-navigable-containers" id="ref-for-fenced-navigable-containers⑤">fenced navigable container</a>'s <a data-link-type="dfn" href="#fenced-navigable-container-fenced-navigable" id="ref-for-fenced-navigable-container-fenced-navigable②⑤">fenced
+      <p>If the <a data-link-type="dfn" href="https://html.spec.whatwg.org/multipage/interaction.html#focused-area-of-the-document" id="ref-for-focused-area-of-the-document">focused area</a> of <var>candidate</var> is a <a data-link-type="dfn" href="#fenced-navigable-containers" id="ref-for-fenced-navigable-containers④">fenced navigable container</a> with a non-null <a data-link-type="dfn" href="#fenced-navigable-container-fenced-navigable" id="ref-for-fenced-navigable-container-fenced-navigable②⑤">fenced navigable</a>, then set <var>candidate</var> to the <a data-link-type="dfn" href="https://html.spec.whatwg.org/multipage/document-sequences.html#nav-document" id="ref-for-nav-document③">active
+document</a> of that <a data-link-type="dfn" href="#fenced-navigable-containers" id="ref-for-fenced-navigable-containers⑤">fenced navigable container</a>'s <a data-link-type="dfn" href="#fenced-navigable-container-fenced-navigable" id="ref-for-fenced-navigable-container-fenced-navigable②⑥">fenced
 navigable</a>.</p>
     </ol>
    </div>
@@ -1969,8 +1979,8 @@ <h3 class="heading settled" data-level="2.5" id="focusing-changes"><span class="
      <li data-md>
       <p>If <var>currentObject</var> is a <a data-link-type="dfn" href="https://html.spec.whatwg.org/multipage/interaction.html#focusable-area" id="ref-for-focusable-area④">focusable area</a>, then set <var>currentObject</var> to <var>currentObject</var>’s <a data-link-type="dfn" href="https://html.spec.whatwg.org/multipage/interaction.html#dom-anchor" id="ref-for-dom-anchor">DOM
  anchor</a>'s <a data-link-type="dfn" href="https://dom.spec.whatwg.org/#concept-node-document" id="ref-for-concept-node-document③">node document</a>.</p>
-      <p>Otherwise, if <var>currentObject</var> is a <code class="idl"><a data-link-type="idl" href="https://dom.spec.whatwg.org/#document" id="ref-for-document④">Document</a></code> whose <a data-link-type="dfn" href="https://html.spec.whatwg.org/multipage/document-sequences.html#node-navigable" id="ref-for-node-navigable⑤">node navigable</a>'s <a data-link-type="dfn" href="https://html.spec.whatwg.org/multipage/document-sequences.html#nav-parent" id="ref-for-nav-parent①②">parent</a> is non-null, then set <var>currentObject</var> to <var>currentObject</var>’s <a data-link-type="dfn" href="https://html.spec.whatwg.org/multipage/document-sequences.html#node-navigable" id="ref-for-node-navigable⑥">node navigable</a>'s <a data-link-type="dfn" href="https://html.spec.whatwg.org/multipage/document-sequences.html#nav-parent" id="ref-for-nav-parent①③">parent</a>.</p>
-      <p>Otherwise, if <var>currentObject</var> is a <code class="idl"><a data-link-type="idl" href="https://dom.spec.whatwg.org/#document" id="ref-for-document⑤">Document</a></code> whose <a data-link-type="dfn" href="https://html.spec.whatwg.org/multipage/document-sequences.html#node-navigable" id="ref-for-node-navigable⑦">node navigable</a> is a <a data-link-type="dfn" href="https://html.spec.whatwg.org/multipage/document-sequences.html#traversable-navigable" id="ref-for-traversable-navigable①⑦">traversable
+      <p>Otherwise, if <var>currentObject</var> is a <code class="idl"><a data-link-type="idl" href="https://dom.spec.whatwg.org/#document" id="ref-for-document⑤">Document</a></code> whose <a data-link-type="dfn" href="https://html.spec.whatwg.org/multipage/document-sequences.html#node-navigable" id="ref-for-node-navigable⑤">node navigable</a>'s <a data-link-type="dfn" href="https://html.spec.whatwg.org/multipage/document-sequences.html#nav-parent" id="ref-for-nav-parent①②">parent</a> is non-null, then set <var>currentObject</var> to <var>currentObject</var>’s <a data-link-type="dfn" href="https://html.spec.whatwg.org/multipage/document-sequences.html#node-navigable" id="ref-for-node-navigable⑥">node navigable</a>'s <a data-link-type="dfn" href="https://html.spec.whatwg.org/multipage/document-sequences.html#nav-parent" id="ref-for-nav-parent①③">parent</a>.</p>
+      <p>Otherwise, if <var>currentObject</var> is a <code class="idl"><a data-link-type="idl" href="https://dom.spec.whatwg.org/#document" id="ref-for-document⑥">Document</a></code> whose <a data-link-type="dfn" href="https://html.spec.whatwg.org/multipage/document-sequences.html#node-navigable" id="ref-for-node-navigable⑦">node navigable</a> is a <a data-link-type="dfn" href="https://html.spec.whatwg.org/multipage/document-sequences.html#traversable-navigable" id="ref-for-traversable-navigable①⑦">traversable
  navigable</a> whose <a data-link-type="dfn" href="#traversable-navigable-unfenced-parent" id="ref-for-traversable-navigable-unfenced-parent①②">unfenced parent</a> is non-null, then set <var>currentObject</var> to <var>currentObject</var>’s <a data-link-type="dfn" href="https://html.spec.whatwg.org/multipage/document-sequences.html#node-navigable" id="ref-for-node-navigable⑧">node navigable</a>'s <a data-link-type="dfn" href="#traversable-navigable-unfenced-parent" id="ref-for-traversable-navigable-unfenced-parent①③">unfenced
  parent</a>.</p>
       <p>Otherwise, <a data-link-type="dfn" href="https://infra.spec.whatwg.org/#iteration-break" id="ref-for-iteration-break①">break</a>.</p>
@@ -1979,9 +1989,9 @@ <h3 class="heading settled" data-level="2.5" id="focusing-changes"><span class="
    <div class="algorithm" data-algorithm="get-the-focusable-area">
      Modify the <a data-link-type="dfn" href="https://html.spec.whatwg.org/multipage/interaction.html#get-the-focusable-area" id="ref-for-get-the-focusable-area">get the focusable area</a> algorithm. Add a new case to the switch statement: 
     <dl class="switch">
-     <dt>If <var>focus target</var> is a <a data-link-type="dfn" href="#fenced-navigable-containers" id="ref-for-fenced-navigable-containers⑥">fenced navigable container</a> with a non-null <a data-link-type="dfn" href="#fenced-navigable-container-fenced-navigable" id="ref-for-fenced-navigable-container-fenced-navigable②⑥">fenced navigable</a>
+     <dt>If <var>focus target</var> is a <a data-link-type="dfn" href="#fenced-navigable-containers" id="ref-for-fenced-navigable-containers⑥">fenced navigable container</a> with a non-null <a data-link-type="dfn" href="#fenced-navigable-container-fenced-navigable" id="ref-for-fenced-navigable-container-fenced-navigable②⑦">fenced navigable</a>
      <dd>
-      <p>Return the <a data-link-type="dfn" href="#fenced-navigable-containers" id="ref-for-fenced-navigable-containers⑦">fenced navigable container</a>'s <a data-link-type="dfn" href="#fenced-navigable-container-fenced-navigable" id="ref-for-fenced-navigable-container-fenced-navigable②⑦">fenced
+      <p>Return the <a data-link-type="dfn" href="#fenced-navigable-containers" id="ref-for-fenced-navigable-containers⑦">fenced navigable container</a>'s <a data-link-type="dfn" href="#fenced-navigable-container-fenced-navigable" id="ref-for-fenced-navigable-container-fenced-navigable②⑧">fenced
     navigable</a>'s <a data-link-type="dfn" href="https://html.spec.whatwg.org/multipage/document-sequences.html#nav-document" id="ref-for-nav-document④">active document</a>.</p>
     </dl>
     <p class="note" role="note"><span class="marker">Note:</span> This algorithm can unconditionally "jump the fence" boundary because its return value always
@@ -1991,7 +2001,7 @@ <h3 class="heading settled" data-level="2.5" id="focusing-changes"><span class="
      Modify step 3 of the <a data-link-type="dfn" href="https://html.spec.whatwg.org/multipage/interaction.html#currently-focused-area-of-a-top-level-traversable" id="ref-for-currently-focused-area-of-a-top-level-traversable">currently focused area of a top-level traversable</a> algorithm to read: 
     <ol start="3">
      <li data-md>
-      <p>While <var>candidate</var>’s <a data-link-type="dfn" href="https://html.spec.whatwg.org/multipage/interaction.html#focused-area-of-the-document" id="ref-for-focused-area-of-the-document①">focused area</a> is either a <a data-link-type="dfn" href="https://html.spec.whatwg.org/multipage/document-sequences.html#navigable-container" id="ref-for-navigable-container③">navigable container</a> with a non-null <a data-link-type="dfn" href="https://html.spec.whatwg.org/multipage/document-sequences.html#content-navigable" id="ref-for-content-navigable④">content navigable</a> or a <a data-link-type="dfn" href="#fenced-navigable-containers" id="ref-for-fenced-navigable-containers⑧">fenced navigable container</a> with a non-null <a data-link-type="dfn" href="#fenced-navigable-container-fenced-navigable" id="ref-for-fenced-navigable-container-fenced-navigable②⑧">fenced navigable</a>: set <var>candidate</var> to the <a data-link-type="dfn" href="https://html.spec.whatwg.org/multipage/document-sequences.html#nav-document" id="ref-for-nav-document⑤">active document</a> of either that <a data-link-type="dfn" href="https://html.spec.whatwg.org/multipage/document-sequences.html#navigable-container" id="ref-for-navigable-container④">navigable container</a>'s <a data-link-type="dfn" href="https://html.spec.whatwg.org/multipage/document-sequences.html#content-navigable" id="ref-for-content-navigable⑤">content navigable</a> or that <a data-link-type="dfn" href="#fenced-navigable-containers" id="ref-for-fenced-navigable-containers⑨">fenced navigable container</a>'s <a data-link-type="dfn" href="#fenced-navigable-container-fenced-navigable" id="ref-for-fenced-navigable-container-fenced-navigable②⑨">fenced navigable</a>, whichever is non-null.</p>
+      <p>While <var>candidate</var>’s <a data-link-type="dfn" href="https://html.spec.whatwg.org/multipage/interaction.html#focused-area-of-the-document" id="ref-for-focused-area-of-the-document①">focused area</a> is either a <a data-link-type="dfn" href="https://html.spec.whatwg.org/multipage/document-sequences.html#navigable-container" id="ref-for-navigable-container③">navigable container</a> with a non-null <a data-link-type="dfn" href="https://html.spec.whatwg.org/multipage/document-sequences.html#content-navigable" id="ref-for-content-navigable④">content navigable</a> or a <a data-link-type="dfn" href="#fenced-navigable-containers" id="ref-for-fenced-navigable-containers⑧">fenced navigable container</a> with a non-null <a data-link-type="dfn" href="#fenced-navigable-container-fenced-navigable" id="ref-for-fenced-navigable-container-fenced-navigable②⑨">fenced navigable</a>: set <var>candidate</var> to the <a data-link-type="dfn" href="https://html.spec.whatwg.org/multipage/document-sequences.html#nav-document" id="ref-for-nav-document⑤">active document</a> of either that <a data-link-type="dfn" href="https://html.spec.whatwg.org/multipage/document-sequences.html#navigable-container" id="ref-for-navigable-container④">navigable container</a>'s <a data-link-type="dfn" href="https://html.spec.whatwg.org/multipage/document-sequences.html#content-navigable" id="ref-for-content-navigable⑤">content navigable</a> or that <a data-link-type="dfn" href="#fenced-navigable-containers" id="ref-for-fenced-navigable-containers⑨">fenced navigable container</a>'s <a data-link-type="dfn" href="#fenced-navigable-container-fenced-navigable" id="ref-for-fenced-navigable-container-fenced-navigable③⓪">fenced navigable</a>, whichever is non-null.</p>
     </ol>
    </div>
    <div class="algorithm" data-algorithm="sequential-focus-navigation-patch">
@@ -2003,7 +2013,7 @@ <h3 class="heading settled" data-level="2.5" id="focusing-changes"><span class="
     <p>Modify step 9 of the <a data-link-type="dfn" href="https://html.spec.whatwg.org/multipage/interaction.html#sequential-focus-navigation" id="ref-for-sequential-focus-navigation①">sequential focus navigation</a> algorithm to read:</p>
     <ol start="9">
      <li data-md>
-      <p>Otherwise, <var>starting point</var> is a <a data-link-type="dfn" href="https://html.spec.whatwg.org/multipage/interaction.html#focusable-area" id="ref-for-focusable-area⑤">focusable area</a> in a <a data-link-type="dfn" href="https://html.spec.whatwg.org/multipage/document-sequences.html#child-navigable" id="ref-for-child-navigable⑥">child navigable</a> or <a data-link-type="dfn" href="#fenced-navigable-container-fenced-navigable" id="ref-for-fenced-navigable-container-fenced-navigable③⓪">fenced navigable</a>. Set <var>starting point</var> to that <a data-link-type="dfn" href="https://html.spec.whatwg.org/multipage/document-sequences.html#child-navigable" id="ref-for-child-navigable⑦">child navigable</a> or <a data-link-type="dfn" href="#fenced-navigable-container-fenced-navigable" id="ref-for-fenced-navigable-container-fenced-navigable③①">fenced navigable</a>'s <a data-link-type="dfn" href="#traversable-navigable-unfenced-parent" id="ref-for-traversable-navigable-unfenced-parent①④">unfenced parent</a> and return to the step labeled <i>loop</i>.</p>
+      <p>Otherwise, <var>starting point</var> is a <a data-link-type="dfn" href="https://html.spec.whatwg.org/multipage/interaction.html#focusable-area" id="ref-for-focusable-area⑤">focusable area</a> in a <a data-link-type="dfn" href="https://html.spec.whatwg.org/multipage/document-sequences.html#child-navigable" id="ref-for-child-navigable⑥">child navigable</a> or <a data-link-type="dfn" href="#fenced-navigable-container-fenced-navigable" id="ref-for-fenced-navigable-container-fenced-navigable③①">fenced navigable</a>. Set <var>starting point</var> to that <a data-link-type="dfn" href="https://html.spec.whatwg.org/multipage/document-sequences.html#child-navigable" id="ref-for-child-navigable⑦">child navigable</a> or <a data-link-type="dfn" href="#fenced-navigable-container-fenced-navigable" id="ref-for-fenced-navigable-container-fenced-navigable③②">fenced navigable</a>'s <a data-link-type="dfn" href="#traversable-navigable-unfenced-parent" id="ref-for-traversable-navigable-unfenced-parent①④">unfenced parent</a> and return to the step labeled <i>loop</i>.</p>
     </ol>
    </div>
    <div class="algorithm" data-algorithm="sequential-navigation-search-patch">
@@ -2012,8 +2022,8 @@ <h3 class="heading settled" data-level="2.5" id="focusing-changes"><span class="
      <li data-md>
       <p>If <var>candidate</var> is a <a data-link-type="dfn" href="https://html.spec.whatwg.org/multipage/document-sequences.html#navigable-container" id="ref-for-navigable-container⑤">navigable container</a> with a non-null <a data-link-type="dfn" href="https://html.spec.whatwg.org/multipage/document-sequences.html#content-navigable" id="ref-for-content-navigable⑥">content navigable</a>, then let <var>new candidate</var> be the result of running the <a data-link-type="dfn" href="https://html.spec.whatwg.org/multipage/interaction.html#sequential-navigation-search-algorithm" id="ref-for-sequential-navigation-search-algorithm①">sequential navigation search algorithm</a> with <var>candidate</var>’s <a data-link-type="dfn" href="https://html.spec.whatwg.org/multipage/document-sequences.html#content-navigable" id="ref-for-content-navigable⑦">content navigable</a> as the first argument, <var>direction</var> as
 the second, and <i>sequential</i> as the third.</p>
-      <p>If <var>candidate</var> is a <a data-link-type="dfn" href="#fenced-navigable-containers" id="ref-for-fenced-navigable-containers①⓪">fenced navigable container</a> with a non-null <a data-link-type="dfn" href="#fenced-navigable-container-fenced-navigable" id="ref-for-fenced-navigable-container-fenced-navigable③②">fenced navigable</a>, then let <var>new candidate</var> be the result of
-running the <a data-link-type="dfn" href="https://html.spec.whatwg.org/multipage/interaction.html#sequential-navigation-search-algorithm" id="ref-for-sequential-navigation-search-algorithm②">sequential navigation search algorithm</a> with <var>candidate</var>’s <a data-link-type="dfn" href="#fenced-navigable-container-fenced-navigable" id="ref-for-fenced-navigable-container-fenced-navigable③③">fenced navigable</a> as the first argument, <var>direction</var> as the second, and <i>sequential</i> as the third.</p>
+      <p>If <var>candidate</var> is a <a data-link-type="dfn" href="#fenced-navigable-containers" id="ref-for-fenced-navigable-containers①⓪">fenced navigable container</a> with a non-null <a data-link-type="dfn" href="#fenced-navigable-container-fenced-navigable" id="ref-for-fenced-navigable-container-fenced-navigable③③">fenced navigable</a>, then let <var>new candidate</var> be the result of
+running the <a data-link-type="dfn" href="https://html.spec.whatwg.org/multipage/interaction.html#sequential-navigation-search-algorithm" id="ref-for-sequential-navigation-search-algorithm②">sequential navigation search algorithm</a> with <var>candidate</var>’s <a data-link-type="dfn" href="#fenced-navigable-container-fenced-navigable" id="ref-for-fenced-navigable-container-fenced-navigable③④">fenced navigable</a> as the first argument, <var>direction</var> as the second, and <i>sequential</i> as the third.</p>
       <p>If <var>new candidate</var> is null, then let <var>starting point</var> be <var>candidate</var>, and return to the top of this algorithm. Otherwise, let <var>candidate</var> be <var>new candidate</var>.</p>
     </ol>
    </div>
@@ -2026,13 +2036,13 @@ <h3 class="heading settled" data-level="2.5" id="focusing-changes"><span class="
     </ul>
    </details>
    <h3 class="heading settled" data-level="2.6" id="navigation-patch"><span class="secno">2.6. </span><span class="content">Navigation</span><a class="self-link" href="#navigation-patch"></a></h3>
-   <p>This section describes how the <code><a data-link-type="element" href="#elementdef-fencedframe" id="ref-for-elementdef-fencedframe③①">fencedframe</a></code> element interacts with the ever-complicated process
+   <p>This section describes how the <code><a data-link-type="element" href="#elementdef-fencedframe" id="ref-for-elementdef-fencedframe③③">fencedframe</a></code> element interacts with the ever-complicated process
 of navigation, which includes integration with various headers, isolation mechanisms, and policies.</p>
    <h4 class="heading settled" data-level="2.6.1" id="supports-loading-mode"><span class="secno">2.6.1. </span><span class="content">The `<a data-link-type="http-header" href="https://wicg.github.io/nav-speculation/prerendering.html#http-headerdef-supports-loading-mode" id="ref-for-http-headerdef-supports-loading-mode"><code>Supports-Loading-Mode</code></a>` HTTP response header</span><a class="self-link" href="#supports-loading-mode"></a></h4>
    <p>Add the new <a data-link-type="dfn" href="https://www.rfc-editor.org/rfc/rfc8941.html#name-tokens" id="ref-for-name-tokens">token</a> below to the list of valid <a data-link-type="dfn" href="https://www.rfc-editor.org/rfc/rfc8941.html#name-tokens" id="ref-for-name-tokens①">tokens</a> for the `<a data-link-type="http-header" href="https://wicg.github.io/nav-speculation/prerendering.html#http-headerdef-supports-loading-mode" id="ref-for-http-headerdef-supports-loading-mode①"><code>Supports-Loading-Mode</code></a>` response header:</p>
    <p>The `<code><dfn class="dfn-paneled" data-dfn-for="Supports-Loading-Mode" data-dfn-type="dfn" data-export id="supports-loading-mode-fenced-frame">fenced-frame</dfn></code>` token indicates that
-the response can be used to create a <code class="idl"><a data-link-type="idl" href="https://dom.spec.whatwg.org/#document" id="ref-for-document⑥">Document</a></code> inside of a <a data-link-type="dfn" href="#fenced-navigable-container-fenced-navigable" id="ref-for-fenced-navigable-container-fenced-navigable③④">fenced
-navigable</a>. Without this explicit opt-in, all navigations inside of a <a data-link-type="dfn" href="#fenced-navigable-container-fenced-navigable" id="ref-for-fenced-navigable-container-fenced-navigable③⑤">fenced navigable</a> will fail, as outlined in <a href="#navigation-patch">§ 2.6 Navigation</a>.</p>
+the response can be used to create a <code class="idl"><a data-link-type="idl" href="https://dom.spec.whatwg.org/#document" id="ref-for-document⑦">Document</a></code> inside of a <a data-link-type="dfn" href="#fenced-navigable-container-fenced-navigable" id="ref-for-fenced-navigable-container-fenced-navigable③⑤">fenced
+navigable</a>. Without this explicit opt-in, all navigations inside of a <a data-link-type="dfn" href="#fenced-navigable-container-fenced-navigable" id="ref-for-fenced-navigable-container-fenced-navigable③⑥">fenced navigable</a> will fail, as outlined in <a href="#navigation-patch">§ 2.6 Navigation</a>.</p>
    <p><a data-link-type="biblio" href="#biblio-html" title="HTML Standard">[HTML]</a>'s <a data-link-type="dfn" href="https://html.spec.whatwg.org/multipage/browsing-the-web.html#attempt-to-populate-the-history-entry&apos;s-document" id="ref-for-attempt-to-populate-the-history-entry&apos;s-document">attempt to populate the history entry’s document</a> algorithm is modified such that just
 before the step inside the <a data-link-type="dfn" href="https://html.spec.whatwg.org/multipage/webappapis.html#queue-a-task" id="ref-for-queue-a-task">queued task</a> starting with "If <var>failure</var> is true, then:", insert a new step:</p>
    <div class="algorithm" data-algorithm="navigation-patch">
@@ -2042,7 +2052,7 @@ <h4 class="heading settled" data-level="2.6.1" id="supports-loading-mode"><span
       <ul>
        <li data-md>
         <p><var>navigationParams</var>’s <a data-link-type="dfn" href="https://html.spec.whatwg.org/multipage/browsing-the-web.html#navigation-params-navigable" id="ref-for-navigation-params-navigable">navigable</a>'s <a data-link-type="dfn" href="https://html.spec.whatwg.org/multipage/document-sequences.html#nav-traversable" id="ref-for-nav-traversable④">traversable navigable</a> is
-a <a data-link-type="dfn" href="#fenced-navigable-container-fenced-navigable" id="ref-for-fenced-navigable-container-fenced-navigable③⑥">fenced navigable</a>;</p>
+a <a data-link-type="dfn" href="#fenced-navigable-container-fenced-navigable" id="ref-for-fenced-navigable-container-fenced-navigable③⑦">fenced navigable</a>;</p>
        <li data-md>
         <p><var>navigationParams</var>’s <a data-link-type="dfn" href="https://html.spec.whatwg.org/multipage/browsing-the-web.html#navigation-params-response" id="ref-for-navigation-params-response">response</a>'s <a data-link-type="dfn" href="https://fetch.spec.whatwg.org/#concept-response-url" id="ref-for-concept-response-url">URL</a>'s <a data-link-type="dfn" href="https://url.spec.whatwg.org/#concept-url-scheme" id="ref-for-concept-url-scheme">scheme</a> is
 "<code>https</code>"; and</p>
@@ -2055,10 +2065,10 @@ <h4 class="heading settled" data-level="2.6.1" id="supports-loading-mode"><span
    <h4 class="heading settled" data-level="2.6.2" id="coop-coep"><span class="secno">2.6.2. </span><span class="content">COOP, COEP, and cross-origin isolation</span><a class="self-link" href="#coop-coep"></a></h4>
    <p>Outside of this specification, the `<a data-link-type="http-header" href="https://html.spec.whatwg.org/multipage/browsers.html#cross-origin-opener-policy-2" id="ref-for-cross-origin-opener-policy-2"><code>Cross-Origin-Opener-Policy</code></a>`
 header only <a href="https://html.spec.whatwg.org/C#populating-a-session-history-entry:top-level-traversable-2">applies</a> to <a data-link-type="dfn" href="#top-level-traversable" id="ref-for-top-level-traversable⑨">top-level traversables</a> instead of all <a data-link-type="dfn" href="https://html.spec.whatwg.org/multipage/document-sequences.html#navigable" id="ref-for-navigable①①">navigables</a>, and this specification continues this
-intention insofar as this header does not have an impact on <a data-link-type="dfn" href="#fenced-navigable-container-fenced-navigable" id="ref-for-fenced-navigable-container-fenced-navigable③⑦">fenced
-navigables</a>, nor is it inherited from its embedder. Consequently, the <a data-link-type="dfn" href="https://html.spec.whatwg.org/multipage/document-sequences.html#browsing-context-group" id="ref-for-browsing-context-group④">browsing context group</a> hosted inside of a <a data-link-type="dfn" href="#fenced-navigable-container-fenced-navigable" id="ref-for-fenced-navigable-container-fenced-navigable③⑧">fenced traversable navigable</a> will
+intention insofar as this header does not have an impact on <a data-link-type="dfn" href="#fenced-navigable-container-fenced-navigable" id="ref-for-fenced-navigable-container-fenced-navigable③⑧">fenced
+navigables</a>, nor is it inherited from its embedder. Consequently, the <a data-link-type="dfn" href="https://html.spec.whatwg.org/multipage/document-sequences.html#browsing-context-group" id="ref-for-browsing-context-group④">browsing context group</a> hosted inside of a <a data-link-type="dfn" href="#fenced-navigable-container-fenced-navigable" id="ref-for-fenced-navigable-container-fenced-navigable③⑨">fenced traversable navigable</a> will
 always have its <a data-link-type="dfn" href="https://html.spec.whatwg.org/multipage/document-sequences.html#bcg-cross-origin-isolation" id="ref-for-bcg-cross-origin-isolation">cross-origin isolation mode</a> set to "<a data-link-type="dfn" href="https://html.spec.whatwg.org/multipage/document-sequences.html#cross-origin-isolation-none" id="ref-for-cross-origin-isolation-none"><code>none</code></a>".</p>
-   <p>Nevertheless, a <a data-link-type="dfn" href="#fenced-navigable-container-fenced-navigable" id="ref-for-fenced-navigable-container-fenced-navigable③⑨">fenced navigable</a> respects its <a data-link-type="dfn" href="#traversable-navigable-unfenced-parent" id="ref-for-traversable-navigable-unfenced-parent①⑤">unfenced parent</a>'s <a data-link-type="dfn" href="https://html.spec.whatwg.org/multipage/browsers.html#policy-container-embedder-policy" id="ref-for-policy-container-embedder-policy">embedder policy</a>, which is accomplished below:</p>
+   <p>Nevertheless, a <a data-link-type="dfn" href="#fenced-navigable-container-fenced-navigable" id="ref-for-fenced-navigable-container-fenced-navigable④⓪">fenced navigable</a> respects its <a data-link-type="dfn" href="#traversable-navigable-unfenced-parent" id="ref-for-traversable-navigable-unfenced-parent①⑤">unfenced parent</a>'s <a data-link-type="dfn" href="https://html.spec.whatwg.org/multipage/browsers.html#policy-container-embedder-policy" id="ref-for-policy-container-embedder-policy">embedder policy</a>, which is accomplished below:</p>
    <div class="algorithm" data-algorithm="coep-adherence-patch">
      In the <a data-link-type="dfn" href="https://html.spec.whatwg.org/multipage/browsers.html#check-a-navigation-response&apos;s-adherence-to-its-embedder-policy" id="ref-for-check-a-navigation-response&apos;s-adherence-to-its-embedder-policy">check a navigation response’s adherence to its embedder policy</a> algorithm, rewrite all
   occurrences of: 
@@ -2072,7 +2082,7 @@ <h4 class="heading settled" data-level="2.6.2" id="coop-coep"><span class="secno
       <p><var>navigable</var>’s <a data-link-type="dfn" href="#navigable-unfenced-container-document" id="ref-for-navigable-unfenced-container-document">unfenced container document</a></p>
     </ul>
    </div>
-   <p class="note" role="note"><span class="marker">Note:</span> This causes navigations inside of a <code><a data-link-type="element" href="#elementdef-fencedframe" id="ref-for-elementdef-fencedframe③②">fencedframe</a></code> to fail if they are not served with a
+   <p class="note" role="note"><span class="marker">Note:</span> This causes navigations inside of a <code><a data-link-type="element" href="#elementdef-fencedframe" id="ref-for-elementdef-fencedframe③④">fencedframe</a></code> to fail if they are not served with a
 suitable `<a data-link-type="http-header" href="https://html.spec.whatwg.org/multipage/browsers.html#cross-origin-embedder-policy" id="ref-for-cross-origin-embedder-policy"><code>Cross-Origin-Embedder-Policy</code></a>` header, just as <code><a data-link-type="element" href="https://html.spec.whatwg.org/multipage/iframe-embed-object.html#the-iframe-element" id="ref-for-the-iframe-element③">iframe</a></code>s behave.</p>
    <p class="issue" id="issue-3fa4bcc3"><a class="self-link" href="#issue-3fa4bcc3"></a> Determine if we need to fence or unfence the <a data-link-type="dfn" href="https://html.spec.whatwg.org/multipage/browsers.html#queue-a-cross-origin-embedder-policy-inheritance-violation" id="ref-for-queue-a-cross-origin-embedder-policy-inheritance-violation">queue a cross-origin embedder policy
 inheritance violation</a> algorithm, as leaving it unfenced may cause a privacy leak.</p>
@@ -2082,7 +2092,7 @@ <h4 class="heading settled" data-level="2.6.2" id="coop-coep"><span class="secno
   fetching</a> algorithm like so: 
     <ol>
      <li data-md>
-      <p>If <var>response</var> is not a <a data-link-type="dfn" href="https://fetch.spec.whatwg.org/#concept-network-error" id="ref-for-concept-network-error">network error</a>, <var>navigable</var> is a <a data-link-type="dfn" href="https://html.spec.whatwg.org/multipage/document-sequences.html#child-navigable" id="ref-for-child-navigable⑧">child navigable</a> or <a data-link-type="dfn" href="#fenced-navigable-container-fenced-navigable" id="ref-for-fenced-navigable-container-fenced-navigable④⓪">fenced navigable</a>, and the result of performing a <a data-link-type="dfn" href="https://fetch.spec.whatwg.org/#cross-origin-resource-policy-check" id="ref-for-cross-origin-resource-policy-check①">cross-origin
+      <p>If <var>response</var> is not a <a data-link-type="dfn" href="https://fetch.spec.whatwg.org/#concept-network-error" id="ref-for-concept-network-error">network error</a>, <var>navigable</var> is a <a data-link-type="dfn" href="https://html.spec.whatwg.org/multipage/document-sequences.html#child-navigable" id="ref-for-child-navigable⑧">child navigable</a> or <a data-link-type="dfn" href="#fenced-navigable-container-fenced-navigable" id="ref-for-fenced-navigable-container-fenced-navigable④①">fenced navigable</a>, and the result of performing a <a data-link-type="dfn" href="https://fetch.spec.whatwg.org/#cross-origin-resource-policy-check" id="ref-for-cross-origin-resource-policy-check①">cross-origin
  resource policy check</a> with <var>navigable</var>’s <a data-link-type="dfn" href="#navigable-unfenced-container-document" id="ref-for-navigable-unfenced-container-document①">unfenced container document</a>'s <a data-link-type="dfn" href="https://dom.spec.whatwg.org/#concept-document-origin" id="ref-for-concept-document-origin①">origin</a>, <var>navigable</var>’s <a data-link-type="dfn" href="#navigable-unfenced-container-document" id="ref-for-navigable-unfenced-container-document②">unfenced container document</a>'s <a data-link-type="dfn" href="https://html.spec.whatwg.org/multipage/webappapis.html#relevant-settings-object" id="ref-for-relevant-settings-object③">relevant
  settings object</a>, <var>request</var>’s <a data-link-type="dfn" href="https://fetch.spec.whatwg.org/#concept-request-destination" id="ref-for-concept-request-destination③">destination</a>, <var>response</var>, and
  true is <strong>blocked</strong>, then set <var>response</var> to a <a data-link-type="dfn" href="https://fetch.spec.whatwg.org/#concept-network-error" id="ref-for-concept-network-error①">network error</a> and <a data-link-type="dfn" href="https://infra.spec.whatwg.org/#iteration-break" id="ref-for-iteration-break②">break</a>.</p>
@@ -2106,7 +2116,7 @@ <h3 class="heading settled" data-level="2.7" id="page-visibility"><span class="s
 modified such that the first step of the algorithm that runs when a user-agent changes a <a data-link-type="dfn" href="https://html.spec.whatwg.org/multipage/document-sequences.html#traversable-navigable" id="ref-for-traversable-navigable①⑧">traversable navigable</a>'s <a data-link-type="dfn" href="https://html.spec.whatwg.org/multipage/document-sequences.html#system-visibility-state" id="ref-for-system-visibility-state">system visibility state</a> calls the <a data-link-type="dfn" href="https://html.spec.whatwg.org/multipage/document-sequences.html#inclusive-descendant-navigables" id="ref-for-inclusive-descendant-navigables②">inclusive descendant
 navigables</a> algorithm with <a data-link-type="dfn" href="#inclusive-dn-unfenced" id="ref-for-inclusive-dn-unfenced②">unfenced</a> set to true.</p>
    <h2 class="heading settled" data-level="3" id="interaction-with-other-specs"><span class="secno">3. </span><span class="content">Interactions with other specifications</span><a class="self-link" href="#interaction-with-other-specs"></a></h2>
-   <p>Due to the necessarily cross-cutting nature of the <code><a data-link-type="element" href="#elementdef-fencedframe" id="ref-for-elementdef-fencedframe③③">fencedframe</a></code> element and its interactions with
+   <p>Due to the necessarily cross-cutting nature of the <code><a data-link-type="element" href="#elementdef-fencedframe" id="ref-for-elementdef-fencedframe③⑤">fencedframe</a></code> element and its interactions with
 core concepts like <a data-link-type="dfn" href="https://html.spec.whatwg.org/multipage/document-sequences.html#navigable" id="ref-for-navigable①②">navigable</a> and <a data-link-type="dfn" href="https://html.spec.whatwg.org/multipage/document-sequences.html#browsing-context-group" id="ref-for-browsing-context-group⑤">browsing context group</a>, there are a number of
 specifications that rely on terms whose usages must be re-evaluated in light of this specification;
 this section houses the various changes that we propose to other specifications.</p>
@@ -2116,7 +2126,7 @@ <h3 class="heading settled" data-level="3.1" id="prerendering-monkeypatch"><span
    <dl>
     <dt data-md>"<code>fencedframe</code>"
     <dd data-md>
-     <p>This <a data-link-type="dfn" href="https://html.spec.whatwg.org/multipage/document-sequences.html#navigable" id="ref-for-navigable①④">navigable</a> is displaying a <code><a data-link-type="element" href="#elementdef-fencedframe" id="ref-for-elementdef-fencedframe③④">fencedframe</a></code>'s content</p>
+     <p>This <a data-link-type="dfn" href="https://html.spec.whatwg.org/multipage/document-sequences.html#navigable" id="ref-for-navigable①④">navigable</a> is displaying a <code><a data-link-type="element" href="#elementdef-fencedframe" id="ref-for-elementdef-fencedframe③⑥">fencedframe</a></code>'s content</p>
    </dl>
    <p class="issue" id="issue-d22ed66a"><a class="self-link" href="#issue-d22ed66a"></a> Specify the behavior that leads to the following:</p>
    <details class="wpt-tests-block" dir="ltr" lang="en" open>
@@ -2128,11 +2138,11 @@ <h3 class="heading settled" data-level="3.1" id="prerendering-monkeypatch"><span
    <h3 class="heading settled" data-level="3.2" id="csp-integration"><span class="secno">3.2. </span><span class="content">Content Security Policy</span><a class="self-link" href="#csp-integration"></a></h3>
    <h4 class="heading settled" data-level="3.2.1" id="csp-intro"><span class="secno">3.2.1. </span><span class="content">Intro</span><a class="self-link" href="#csp-intro"></a></h4>
    <p><em>This section is non-normative</em>.</p>
-   <p>Content Security Policy <a data-link-type="biblio" href="#biblio-csp" title="Content Security Policy Level 3">[CSP]</a> can ordinarily be used by web content associated with a <code class="idl"><a data-link-type="idl" href="https://dom.spec.whatwg.org/#document" id="ref-for-document⑦">Document</a></code> that hosts a <a data-link-type="dfn" href="https://html.spec.whatwg.org/multipage/document-sequences.html#navigable-container" id="ref-for-navigable-container⑥">navigable container</a> to limit the source of navigations in a <a data-link-type="dfn" href="https://html.spec.whatwg.org/multipage/document-sequences.html#child-navigable" id="ref-for-child-navigable⑨">child
+   <p>Content Security Policy <a data-link-type="biblio" href="#biblio-csp" title="Content Security Policy Level 3">[CSP]</a> can ordinarily be used by web content associated with a <code class="idl"><a data-link-type="idl" href="https://dom.spec.whatwg.org/#document" id="ref-for-document⑧">Document</a></code> that hosts a <a data-link-type="dfn" href="https://html.spec.whatwg.org/multipage/document-sequences.html#navigable-container" id="ref-for-navigable-container⑥">navigable container</a> to limit the source of navigations in a <a data-link-type="dfn" href="https://html.spec.whatwg.org/multipage/document-sequences.html#child-navigable" id="ref-for-child-navigable⑨">child
 navigable</a>.</p>
    <p>In order to prevent <a data-link-type="biblio" href="#biblio-csp" title="Content Security Policy Level 3">[CSP]</a> from being used a communication side-channel exposing the <a data-link-type="dfn" href="https://url.spec.whatwg.org/#concept-url" id="ref-for-concept-url④">URL</a> of
-navigations inside a <code><a data-link-type="element" href="#elementdef-fencedframe" id="ref-for-elementdef-fencedframe③⑤">fencedframe</a></code> to the site operating its embedder, the only <a data-link-type="dfn" href="https://w3c.github.io/webappsec-csp/#source-expression" id="ref-for-source-expression">source
-expressions</a> that can influence a <code><a data-link-type="element" href="#elementdef-fencedframe" id="ref-for-elementdef-fencedframe③⑥">fencedframe</a></code> navigation are:</p>
+navigations inside a <code><a data-link-type="element" href="#elementdef-fencedframe" id="ref-for-elementdef-fencedframe③⑦">fencedframe</a></code> to the site operating its embedder, the only <a data-link-type="dfn" href="https://w3c.github.io/webappsec-csp/#source-expression" id="ref-for-source-expression">source
+expressions</a> that can influence a <code><a data-link-type="element" href="#elementdef-fencedframe" id="ref-for-elementdef-fencedframe③⑧">fencedframe</a></code> navigation are:</p>
    <ul>
     <li data-md>
      <p>The <a data-link-type="grammar" href="https://w3c.github.io/webappsec-csp/#grammardef-scheme-source" id="ref-for-grammardef-scheme-source">scheme-source</a> "<code>https:</code>"</p>
@@ -2174,7 +2184,7 @@ <h4 class="heading settled" data-level="3.2.3" id="new-csp-directive"><span clas
 Introduce a new <a data-link-type="biblio" href="#biblio-csp" title="Content Security Policy Level 3">[CSP]</a> <a data-link-type="dfn" href="https://w3c.github.io/webappsec-csp/#directives" id="ref-for-directives①">directive</a>: <b><i>fenced-frame-src</i></b>. The monkey-patched
 specification is printed below:</p>
    <div class="algorithm" data-algorithm="fenced-frame-src">
-     The <dfn class="dfn-paneled" data-dfn-type="dfn" data-noexport id="fenced-frame-src">fenced-frame-src</dfn> directive restricts the URLs which may be loaded into a <code><a data-link-type="element" href="#elementdef-fencedframe" id="ref-for-elementdef-fencedframe③⑦">fencedframe</a></code>'s <a data-link-type="dfn" href="#fenced-navigable-container-fenced-navigable" id="ref-for-fenced-navigable-container-fenced-navigable④①">fenced navigable</a>. The syntax for the directive’s
+     The <dfn class="dfn-paneled" data-dfn-type="dfn" data-noexport id="fenced-frame-src">fenced-frame-src</dfn> directive restricts the URLs which may be loaded into a <code><a data-link-type="element" href="#elementdef-fencedframe" id="ref-for-elementdef-fencedframe③⑨">fencedframe</a></code>'s <a data-link-type="dfn" href="#fenced-navigable-container-fenced-navigable" id="ref-for-fenced-navigable-container-fenced-navigable④②">fenced navigable</a>. The syntax for the directive’s
   name and value is described by the following ABNF: 
 <pre>directive-name  = "fenced-frame-src"
 directive-value = <a data-link-type="grammar" href="https://w3c.github.io/webappsec-csp/#grammardef-serialized-source-list" id="ref-for-grammardef-serialized-source-list">serialized-source-list</a>
@@ -2246,11 +2256,198 @@ <h4 class="heading settled" data-level="3.2.3" id="new-csp-directive"><span clas
      <li class="wpt-test"><a class="wpt-name" href="https://wpt.fyi/results/fenced-frame/embedder-csp-not-propagate.https.html" title="fenced-frame/embedder-csp-not-propagate.https.html">embedder-csp-not-propagate.https.html</a> <a class="wpt-live" href="https://wpt.live/fenced-frame/embedder-csp-not-propagate.https.html"><small>(live test)</small></a> <a class="wpt-source" href="https://github.com/web-platform-tests/wpt/blob/master/fenced-frame/embedder-csp-not-propagate.https.html"><small>(source)</small></a>
     </ul>
    </details>
+   <h3 class="heading settled" data-level="3.3" id="permissions-policy-changes"><span class="secno">3.3. </span><span class="content">Permissions Policies</span><a class="self-link" href="#permissions-policy-changes"></a></h3>
+   <p><em>This introductory sub-section is non-normative.</em></p>
+   <p>The <a data-link-type="dfn" href="https://w3c.github.io/webappsec-permissions-policy/#policy-controlled-feature" id="ref-for-policy-controlled-feature④">policy-controlled features</a> available to <code class="idl"><a data-link-type="idl" href="https://dom.spec.whatwg.org/#document" id="ref-for-document⑨">Document</a></code>s inside of a <code><a data-link-type="element" href="#elementdef-fencedframe" id="ref-for-elementdef-fencedframe④⓪">fencedframe</a></code> are
+determined exclusively by the <code class="idl"><a data-link-type="idl" href="#fencedframeconfig" id="ref-for-fencedframeconfig①⓪">FencedFrameConfig</a></code> that the <code><a data-link-type="element" href="#elementdef-fencedframe" id="ref-for-elementdef-fencedframe④①">fencedframe</a></code> navigates to.
+Specifically, the <code class="idl"><a data-link-type="idl" href="#fencedframeconfig" id="ref-for-fencedframeconfig①①">FencedFrameConfig</a></code>'s <a data-link-type="dfn" href="#fencedframeconfig-config" id="ref-for-fencedframeconfig-config①②">config</a>'s <a data-link-type="dfn" href="#fenced-frame-config-effective-enabled-permissions" id="ref-for-fenced-frame-config-effective-enabled-permissions②">effective enabled permissions</a> defines the exclusive list of <a data-link-type="dfn" href="https://w3c.github.io/webappsec-permissions-policy/#policy-controlled-feature" id="ref-for-policy-controlled-feature⑤">policy-controlled features</a> that will be enabled in the <code class="idl"><a data-link-type="idl" href="https://dom.spec.whatwg.org/#document" id="ref-for-document①⓪">Document</a></code> (all others will be disabled).</p>
+   <p>During navigation, the <code class="idl"><a data-link-type="idl" href="#fencedframeconfig" id="ref-for-fencedframeconfig①②">FencedFrameConfig</a></code>'s <a data-link-type="dfn" href="#fencedframeconfig-config" id="ref-for-fencedframeconfig-config①③">config</a> <a data-link-type="dfn" href="#instantiate-a-config" id="ref-for-instantiate-a-config">instantiates</a> a <a data-link-type="dfn" href="#navigable-fenced-frame-config-instance" id="ref-for-navigable-fenced-frame-config-instance⑤">fenced frame config instance</a> that is stored on the <a data-link-type="dfn" href="#fenced-navigable-container-fenced-navigable" id="ref-for-fenced-navigable-container-fenced-navigable④③">fenced navigable</a>. This navigable’s <a data-link-type="dfn" href="#navigable-fenced-frame-config-instance" id="ref-for-navigable-fenced-frame-config-instance⑥">fenced frame config
+instance</a>'s <a data-link-type="dfn" href="#fenced-frame-config-instance-effective-enabled-permissions" id="ref-for-fenced-frame-config-instance-effective-enabled-permissions①">effective enabled permissions</a> is consulted <a data-link-type="dfn" href="#should-navigation-response-to-navigation-request-be-blocked-by-permissions-policy" id="ref-for-should-navigation-response-to-navigation-request-be-blocked-by-permissions-policy">during navigation</a>. A <code><a data-link-type="element" href="#elementdef-fencedframe" id="ref-for-elementdef-fencedframe④②">fencedframe</a></code> navigation can only succeed if the <a data-link-type="dfn" href="https://html.spec.whatwg.org/multipage/dom.html#concept-document-permissions-policy" id="ref-for-concept-document-permissions-policy②">permissions policy</a> for the
+navigation’s resulting <code class="idl"><a data-link-type="idl" href="https://dom.spec.whatwg.org/#document" id="ref-for-document①①">Document</a></code> has an <a data-link-type="dfn" href="https://w3c.github.io/webappsec-permissions-policy#inherited-policy" id="ref-for-inherited-policy②">inherited policy</a> such that the <a data-link-type="dfn" href="https://w3c.github.io/webappsec-permissions-policy/#inherited-policy-for-a-feature" id="ref-for-inherited-policy-for-a-feature①">inherited policy value</a> is "<code>Enabled</code>" for each feature in the <a data-link-type="dfn" href="#fenced-frame-config-effective-enabled-permissions" id="ref-for-fenced-frame-config-effective-enabled-permissions③">effective enabled permissions</a>. Otherwise the environment the <code><a data-link-type="element" href="#elementdef-fencedframe" id="ref-for-elementdef-fencedframe④③">fencedframe</a></code> is embedded in is deemed unsuitable for the <a data-link-type="dfn" href="#fenced-frame-config" id="ref-for-fenced-frame-config①⑦">fenced frame config</a>, and the navigation is blocked.</p>
+   <p>At the same time, to make sure that a <code><a data-link-type="element" href="#elementdef-fencedframe" id="ref-for-elementdef-fencedframe④④">fencedframe</a></code>'s embedder does not directly influence content
+in the frame based on that navigation’s <a data-link-type="dfn" href="https://html.spec.whatwg.org/multipage/browsing-the-web.html#navigation-params-origin" id="ref-for-navigation-params-origin">origin</a> (since the origin is derived
+from cross-site data), this specification modifies various <a data-link-type="biblio" href="#biblio-permissions-policy" title="Permissions Policy">[PERMISSIONS-POLICY]</a> algorithms such
+that a <code><a data-link-type="element" href="#elementdef-fencedframe" id="ref-for-elementdef-fencedframe④⑤">fencedframe</a></code> <code class="idl"><a data-link-type="idl" href="https://dom.spec.whatwg.org/#document" id="ref-for-document①②">Document</a></code>'s <a data-link-type="dfn" href="https://w3c.github.io/webappsec-permissions-policy#inherited-policy" id="ref-for-inherited-policy③">inherited policy</a> is computed without
+consideration of whether its <a data-link-type="dfn" href="https://html.spec.whatwg.org/multipage/browsing-the-web.html#navigation-params-origin" id="ref-for-navigation-params-origin①">origin</a> is <a data-link-type="dfn" href="https://html.spec.whatwg.org/multipage/browsers.html#same-origin" id="ref-for-same-origin④">same origin</a> with its embedder’s.
+Therefore a feature can only be enabled inside of a <code><a data-link-type="element" href="#elementdef-fencedframe" id="ref-for-elementdef-fencedframe④⑥">fencedframe</a></code> if its embedder <em>explicitly</em> delegates it via <a data-link-type="dfn" href="https://w3c.github.io/webappsec-permissions-policy#the-special-value" id="ref-for-the-special-value">the special value *</a> <a data-link-type="dfn" href="https://w3c.github.io/webappsec-permissions-policy/#allowlist" id="ref-for-allowlist">allowlist</a>.</p>
+   <p>Considering all of the above, we get the following interesting implications:</p>
+   <ul>
+    <li data-md>
+     <p>If a <a data-link-type="dfn" href="https://w3c.github.io/webappsec-permissions-policy/#policy-controlled-feature" id="ref-for-policy-controlled-feature⑥">feature</a> that <a data-link-type="dfn" href="https://infra.spec.whatwg.org/#list-contain" id="ref-for-list-contain④">exists</a> in the <a data-link-type="dfn" href="#fenced-frame-config-effective-enabled-permissions" id="ref-for-fenced-frame-config-effective-enabled-permissions④">effective enabled permissions</a> has a <a data-link-type="dfn" href="https://w3c.github.io/webappsec-permissions-policy/#policy-controlled-feature-default-allowlist" id="ref-for-policy-controlled-feature-default-allowlist">default allowlist</a> of <a data-link-type="dfn" href="https://w3c.github.io/webappsec-permissions-policy#the-special-value" id="ref-for-the-special-value①">the special value *</a>, and no `<a data-link-type="http-header" href="https://w3c.github.io/webappsec-permissions-policy/#permissions-policy-header" id="ref-for-permissions-policy-header"><code>Permissions-Policy</code></a>` header is served on
+ the <code><a data-link-type="element" href="#elementdef-fencedframe" id="ref-for-elementdef-fencedframe④⑦">fencedframe</a></code> embedder, and the <code><a data-link-type="element-sub" href="#element-attrdef-fencedframe-allow" id="ref-for-element-attrdef-fencedframe-allow①">allow</a></code> attribute is empty, the navigation
+ inside the <code><a data-link-type="element" href="#elementdef-fencedframe" id="ref-for-elementdef-fencedframe④⑧">fencedframe</a></code> will succeed, and the resulting <code class="idl"><a data-link-type="idl" href="https://dom.spec.whatwg.org/#document" id="ref-for-document①③">Document</a></code> will be <a data-link-type="dfn" href="https://html.spec.whatwg.org/multipage/iframe-embed-object.html#allowed-to-use" id="ref-for-allowed-to-use">allowed to
+ use</a> the <a data-link-type="dfn" href="https://w3c.github.io/webappsec-permissions-policy/#policy-controlled-feature" id="ref-for-policy-controlled-feature⑦">feature</a> (i.e., it will be enabled).</p>
+    <li data-md>
+     <p>If a <a data-link-type="dfn" href="https://w3c.github.io/webappsec-permissions-policy/#policy-controlled-feature" id="ref-for-policy-controlled-feature⑧">feature</a> that <a data-link-type="dfn" href="https://infra.spec.whatwg.org/#list-contain" id="ref-for-list-contain⑤">exists</a> in the <a data-link-type="dfn" href="#fenced-frame-config-effective-enabled-permissions" id="ref-for-fenced-frame-config-effective-enabled-permissions⑤">effective enabled permissions</a> has a <a data-link-type="dfn" href="https://w3c.github.io/webappsec-permissions-policy/#policy-controlled-feature-default-allowlist" id="ref-for-policy-controlled-feature-default-allowlist①">default allowlist</a> of <a data-link-type="dfn" href="https://w3c.github.io/webappsec-permissions-policy/#default-allowlist-self" id="ref-for-default-allowlist-self"><code>'self'</code></a>, and no `<a data-link-type="http-header" href="https://w3c.github.io/webappsec-permissions-policy/#permissions-policy-header" id="ref-for-permissions-policy-header①"><code>Permissions-Policy</code></a>`
+ header is served on the <code><a data-link-type="element" href="#elementdef-fencedframe" id="ref-for-elementdef-fencedframe④⑨">fencedframe</a></code> embedder, and the <code><a data-link-type="element-sub" href="#element-attrdef-fencedframe-allow" id="ref-for-element-attrdef-fencedframe-allow②">allow</a></code> attribute is
+ empty, the navigation inside the <code><a data-link-type="element" href="#elementdef-fencedframe" id="ref-for-elementdef-fencedframe⑤⓪">fencedframe</a></code> will be blocked.</p>
+     <p class="note" role="note"><span class="marker">Note:</span> This is because ordinarily this <a data-link-type="dfn" href="https://w3c.github.io/webappsec-permissions-policy/#policy-controlled-feature" id="ref-for-policy-controlled-feature⑨">feature</a> would only be enabled
+ if the subframe’s <code class="idl"><a data-link-type="idl" href="https://dom.spec.whatwg.org/#document" id="ref-for-document①④">Document</a></code> was <a data-link-type="dfn" href="https://html.spec.whatwg.org/multipage/browsers.html#same-origin" id="ref-for-same-origin⑤">same origin</a> with its embedder, a check this specification
+ avoids for fenced frames, since the <code><a data-link-type="element" href="#elementdef-fencedframe" id="ref-for-elementdef-fencedframe⑤①">fencedframe</a></code>s <code class="idl"><a data-link-type="idl" href="https://dom.spec.whatwg.org/#document" id="ref-for-document①⑤">Document</a></code>'s <a data-link-type="dfn" href="https://dom.spec.whatwg.org/#concept-document-origin" id="ref-for-concept-document-origin②">origin</a> is
+ derived from cross-site data. Therefore, we simply "fail close".</p>
+    <li data-md>
+     <p>If a <a data-link-type="dfn" href="https://w3c.github.io/webappsec-permissions-policy/#policy-controlled-feature" id="ref-for-policy-controlled-feature①⓪">feature</a> that <a data-link-type="dfn" href="https://infra.spec.whatwg.org/#list-contain" id="ref-for-list-contain⑥">exists</a> in the <a data-link-type="dfn" href="#fenced-frame-config-effective-enabled-permissions" id="ref-for-fenced-frame-config-effective-enabled-permissions⑥">effective enabled permissions</a> has a <a data-link-type="dfn" href="https://w3c.github.io/webappsec-permissions-policy/#policy-controlled-feature-default-allowlist" id="ref-for-policy-controlled-feature-default-allowlist②">default allowlist</a> of <a data-link-type="dfn" href="https://w3c.github.io/webappsec-permissions-policy/#default-allowlist-self" id="ref-for-default-allowlist-self①"><code>'self'</code></a>, and the <code><a data-link-type="element" href="#elementdef-fencedframe" id="ref-for-elementdef-fencedframe⑤②">fencedframe</a></code>'s <code><a data-link-type="element-sub" href="#element-attrdef-fencedframe-allow" id="ref-for-element-attrdef-fencedframe-allow③">allow</a></code> attribute contains the <a data-link-type="dfn" href="https://w3c.github.io/webappsec-permissions-policy/#policy-controlled-feature" id="ref-for-policy-controlled-feature①①">feature</a> but no <a data-link-type="dfn" href="https://w3c.github.io/webappsec-permissions-policy/#allowlist" id="ref-for-allowlist①">allowlist</a>, the rules
+ described in <a href="allow-attribute-fenced-frame">The <code>allow</code> attribute section</a>, the default <a data-link-type="dfn" href="https://w3c.github.io/webappsec-permissions-policy/#allowlist" id="ref-for-allowlist②">allowlist</a> for the feature will be <code>'src'</code> which is meant to represent the embedder-supplied
+ navigation <a data-link-type="dfn" href="https://url.spec.whatwg.org/#concept-url" id="ref-for-concept-url⑤">URL</a>, for which there is none when navigating a <code><a data-link-type="element" href="#elementdef-fencedframe" id="ref-for-elementdef-fencedframe⑤③">fencedframe</a></code>, as the navigation <a data-link-type="dfn" href="https://url.spec.whatwg.org/#concept-url" id="ref-for-concept-url⑥">URL</a> is determined by the <a data-link-type="dfn" href="#fenced-frame-config" id="ref-for-fenced-frame-config①⑧">fenced frame config</a>. The navigation will be blocked.</p>
+    <li data-md>
+     <p>If a <a data-link-type="dfn" href="https://w3c.github.io/webappsec-permissions-policy/#policy-controlled-feature" id="ref-for-policy-controlled-feature①②">feature</a> that <a data-link-type="dfn" href="https://infra.spec.whatwg.org/#list-contain" id="ref-for-list-contain⑦">exists</a> in the <a data-link-type="dfn" href="#fenced-frame-config-effective-enabled-permissions" id="ref-for-fenced-frame-config-effective-enabled-permissions⑦">effective enabled permissions</a> has a <a data-link-type="dfn" href="https://w3c.github.io/webappsec-permissions-policy/#policy-controlled-feature-default-allowlist" id="ref-for-policy-controlled-feature-default-allowlist③">default allowlist</a> of <a data-link-type="dfn" href="https://w3c.github.io/webappsec-permissions-policy/#default-allowlist-self" id="ref-for-default-allowlist-self②"><code>'self'</code></a> but either the `<a data-link-type="http-header" href="https://w3c.github.io/webappsec-permissions-policy/#permissions-policy-header" id="ref-for-permissions-policy-header②"><code>Permissions-Policy</code></a>` header served on the <code><a data-link-type="element" href="#elementdef-fencedframe" id="ref-for-elementdef-fencedframe⑤④">fencedframe</a></code>'s embedder <em>OR</em> the <code><a data-link-type="element-sub" href="#element-attrdef-fencedframe-allow" id="ref-for-element-attrdef-fencedframe-allow④">allow</a></code> attribute sets that <a data-link-type="dfn" href="https://w3c.github.io/webappsec-permissions-policy/#policy-controlled-feature" id="ref-for-policy-controlled-feature①③">feature</a>'s <a data-link-type="dfn" href="https://w3c.github.io/webappsec-permissions-policy/#allowlist" id="ref-for-allowlist③">allowlist</a> to <a data-link-type="dfn" href="https://w3c.github.io/webappsec-permissions-policy#the-special-value" id="ref-for-the-special-value②">the special value *</a>, then the navigation inside the <code><a data-link-type="element" href="#elementdef-fencedframe" id="ref-for-elementdef-fencedframe⑤⑤">fencedframe</a></code> will succeed, and the
+ resulting <code class="idl"><a data-link-type="idl" href="https://dom.spec.whatwg.org/#document" id="ref-for-document①⑥">Document</a></code> is <a data-link-type="dfn" href="https://html.spec.whatwg.org/multipage/iframe-embed-object.html#allowed-to-use" id="ref-for-allowed-to-use①">allowed to use</a> the <a data-link-type="dfn" href="https://w3c.github.io/webappsec-permissions-policy/#policy-controlled-feature" id="ref-for-policy-controlled-feature①④">feature</a>.</p>
+    <li data-md>
+     <p>If a navigation inside a <code><a data-link-type="element" href="#elementdef-fencedframe" id="ref-for-elementdef-fencedframe⑤⑥">fencedframe</a></code> would otherwise succeed, but the <a data-link-type="dfn" href="https://fetch.spec.whatwg.org/#concept-response" id="ref-for-concept-response">response</a> on the
+ navigation inside the <code><a data-link-type="element" href="#elementdef-fencedframe" id="ref-for-elementdef-fencedframe⑤⑦">fencedframe</a></code> is served with a `<a data-link-type="http-header" href="https://w3c.github.io/webappsec-permissions-policy/#permissions-policy-header" id="ref-for-permissions-policy-header③"><code>Permissions-Policy</code></a>` header that sets the <a data-link-type="dfn" href="https://w3c.github.io/webappsec-permissions-policy/#allowlist" id="ref-for-allowlist④">allowlist</a> to "<code>none</code>" or an
+ otherwise incompatible <a data-link-type="dfn" href="https://html.spec.whatwg.org/multipage/browsers.html#concept-origin" id="ref-for-concept-origin⑤">origin</a> for a feature in the <a data-link-type="dfn" href="#fenced-frame-config-effective-enabled-permissions" id="ref-for-fenced-frame-config-effective-enabled-permissions⑧">effective enabled
+ permissions</a>, the navigation still succeeds, but the <code class="idl"><a data-link-type="idl" href="https://dom.spec.whatwg.org/#document" id="ref-for-document①⑦">Document</a></code> in the <code><a data-link-type="element" href="#elementdef-fencedframe" id="ref-for-elementdef-fencedframe⑤⑧">fencedframe</a></code> is <strong>not</strong> <a data-link-type="dfn" href="https://html.spec.whatwg.org/multipage/iframe-embed-object.html#allowed-to-use" id="ref-for-allowed-to-use②">allowed to use</a> the feature.</p>
+     <p class="note" role="note"><span class="marker">Note:</span> This is OK because it is the <code><a data-link-type="element" href="#elementdef-fencedframe" id="ref-for-elementdef-fencedframe⑤⑨">fencedframe</a></code>'s content <em>itself</em> that is making the decision
+ to disable a particular feature, not its embedder environment.</p>
+   </ul>
+   <p>The patches in the below section "fence" the appropriate <a data-link-type="biblio" href="#biblio-permissions-policy" title="Permissions Policy">[PERMISSIONS-POLICY]</a> algorithms to
+achieve the outcomes described in the above explanatory content.</p>
+   <h4 class="heading settled" data-level="3.3.1" id="permissions-policy-patches"><span class="secno">3.3.1. </span><span class="content">Algorithm patches</span><a class="self-link" href="#permissions-policy-patches"></a></h4>
+   <div class="algorithm" data-algorithm="allow-attribute-fenced-frame" id="allow-attribute-fenced-frame">
+     Rename the <a href="https://w3c.github.io/webappsec-permissions-policy/#iframe-allow-attribute">The <code>allow</code> attribute of the <code>iframe</code> element</a> section to "The <code>allow</code> attribute of the <code>iframe</code> and <code>fencedframe</code> element", and rewrite the section to read: 
+    <p><code><a data-link-type="element" href="https://html.spec.whatwg.org/multipage/iframe-embed-object.html#the-iframe-element" id="ref-for-the-iframe-element④">iframe</a></code> and <code><a data-link-type="element" href="#elementdef-fencedframe" id="ref-for-elementdef-fencedframe⑥⓪">fencedframe</a></code> elements have an respective <code>allow</code> attributes (<code><a data-link-type="element" href="https://html.spec.whatwg.org/multipage/iframe-embed-object.html#the-iframe-element" id="ref-for-the-iframe-element⑤">iframe</a></code>: <code><a data-link-type="element-sub" href="https://html.spec.whatwg.org/multipage/iframe-embed-object.html#attr-iframe-allow" id="ref-for-attr-iframe-allow">allow</a></code>; <code><a data-link-type="element" href="#elementdef-fencedframe" id="ref-for-elementdef-fencedframe⑥①">fencedframe</a></code>: <code><a data-link-type="element-sub" href="#element-attrdef-fencedframe-allow" id="ref-for-element-attrdef-fencedframe-allow⑤">allow</a></code>), which contain an <a data-link-type="dfn" href="https://w3c.github.io/webappsec-permissions-policy#serialized-policy-directive" id="ref-for-serialized-policy-directive">ASCII-serialized
+  policy directive</a>.</p>
+    <p>The allowlist for the features named in the attribute may be empty; in that case, the default
+  value for the <a data-link-type="dfn" href="https://w3c.github.io/webappsec-permissions-policy/#allowlist" id="ref-for-allowlist⑤">allowlist</a> is "<code>src</code>", which represents the origin of the URL in the iframe’s <code><a data-link-type="element-sub" href="https://html.spec.whatwg.org/multipage/iframe-embed-object.html#attr-iframe-src" id="ref-for-attr-iframe-src">src</a></code> attribute, or the fencedframe’s <a data-link-type="dfn" href="#fenced-frame-config" id="ref-for-fenced-frame-config①⑨">fenced frame config</a>.</p>
+    <p>When not empty, the <code><a data-link-type="element" href="https://html.spec.whatwg.org/multipage/iframe-embed-object.html#the-iframe-element" id="ref-for-the-iframe-element⑥">iframe</a></code>'s <code><a data-link-type="element-sub" href="https://html.spec.whatwg.org/multipage/iframe-embed-object.html#attr-iframe-allow" id="ref-for-attr-iframe-allow①">allow</a></code> or <code><a data-link-type="element" href="#elementdef-fencedframe" id="ref-for-elementdef-fencedframe⑥②">fencedframe</a></code>'s <code><a data-link-type="element-sub" href="#element-attrdef-fencedframe-allow" id="ref-for-element-attrdef-fencedframe-allow⑥">allow</a></code> attribute will result in adding an <a data-link-type="dfn" href="https://w3c.github.io/webappsec-permissions-policy/#allowlist" id="ref-for-allowlist⑥">allowlist</a> for each <a data-link-type="dfn" href="https://w3c.github.io/webappsec-permissions-policy#supported-features" id="ref-for-supported-features">supported feature</a> to the <code><a data-link-type="element" href="https://html.spec.whatwg.org/multipage/iframe-embed-object.html#the-iframe-element" id="ref-for-the-iframe-element⑦">iframe</a></code> or <code><a data-link-type="element" href="#elementdef-fencedframe" id="ref-for-elementdef-fencedframe⑥③">fencedframe</a></code>'s <a data-link-type="dfn" href="https://w3c.github.io/webappsec-permissions-policy/#container-policy" id="ref-for-container-policy①">container policy</a>.</p>
+   </div>
+   <div class="algorithm" data-algorithm="create-permissions-policy">
+     Modify the <a data-link-type="abstract-op" href="https://w3c.github.io/webappsec-permissions-policy/#create-for-navigable" id="ref-for-create-for-navigable">Create a Permissions Policy for a navigable</a> algorithm: 
+    <p>Given null or an element (<var>container</var>), an <a data-link-type="dfn" href="https://html.spec.whatwg.org/multipage/browsers.html#concept-origin" id="ref-for-concept-origin⑥">origin</a> (<var>origin</var>), and an optional <a data-link-type="dfn" href="https://infra.spec.whatwg.org/#boolean" id="ref-for-boolean③">boolean</a> <var>fenced</var> that defaults to false, this algorithm returns a new Permissions Policy.</p>
+    <p>Rewrite step 1 to read:</p>
+    <ol>
+     <li data-md>
+      <p><a data-link-type="dfn" href="https://infra.spec.whatwg.org/#assert" id="ref-for-assert②">Assert</a>: if not null, <var>container</var> is either a <a data-link-type="dfn" href="https://html.spec.whatwg.org/multipage/document-sequences.html#navigable-container" id="ref-for-navigable-container⑦">navigable container</a> or a <a data-link-type="dfn" href="#fenced-navigable-containers" id="ref-for-fenced-navigable-containers①①">fenced navigable container</a>.</p>
+    </ol>
+    <p>Rewrite step 4 to read:</p>
+    <ol start="4">
+     <li data-md>
+      <p>For each <var>feature</var> supported:</p>
+      <ol>
+       <li data-md>
+        <p>Let <var>isInherited</var> be the result of running <a data-link-type="abstract-op" href="https://w3c.github.io/webappsec-permissions-policy/#define-inherited-policy-in-container" id="ref-for-define-inherited-policy-in-container">Define an inherited policy for feature in
+  container at origin</a> on <var>feature</var>, <var>container</var>, <var>origin</var>, and <var>fenced</var>.</p>
+       <li data-md>
+        <p>Set <var>inherited policy</var>[<var>feature</var>] to <var>isInherited</var>.</p>
+      </ol>
+    </ol>
+   </div>
+   <div class="algorithm" data-algorithm="create-permissions-policy-response">
+     Modify the <a data-link-type="abstract-op" href="https://w3c.github.io/webappsec-permissions-policy/#create-from-response" id="ref-for-create-from-response">Create a Permissions Policy for a navigable from response</a> algorithm to read: 
+    <p>Given null, a <a data-link-type="dfn" href="https://html.spec.whatwg.org/multipage/document-sequences.html#navigable-container" id="ref-for-navigable-container⑧">navigable container</a>, or a <a data-link-type="dfn" href="#fenced-navigable-containers" id="ref-for-fenced-navigable-containers①②">fenced navigable container</a> (<var>container</var>), an <a data-link-type="dfn" href="https://html.spec.whatwg.org/multipage/browsers.html#concept-origin" id="ref-for-concept-origin⑦">origin</a> (<var>origin</var>), and a <a data-link-type="dfn" href="https://fetch.spec.whatwg.org/#concept-response" id="ref-for-concept-response①">response</a> (<var>response</var>), this algorithm returns a
+  new <a data-link-type="dfn" href="https://html.spec.whatwg.org/multipage/dom.html#concept-document-permissions-policy" id="ref-for-concept-document-permissions-policy③">permissions policy</a>.</p>
+    <p>Add a step before step 1 that reads:</p>
+    <ol>
+     <li data-md>
+      <p>Let <var>fenced</var> be true if <var>container</var> is a <a data-link-type="dfn" href="#fenced-navigable-containers" id="ref-for-fenced-navigable-containers①③">fenced navigable container</a>, and false otherwise.</p>
+    </ol>
+    <p>Modify what is <em>now</em> step 2 of the algorithm to read:</p>
+    <ol start="2">
+     <li data-md>
+      <p>Let <var>policy</var> be the result of running <a data-link-type="abstract-op" href="https://w3c.github.io/webappsec-permissions-policy/#create-for-navigable" id="ref-for-create-for-navigable①">Create a Permissions Policy
+ for a navigable</a> given <var>container</var>, <var>origin</var>, and <var>fenced</var>.</p>
+    </ol>
+   </div>
+   <div class="algorithm" data-algorithm="attempt-populate-history-patches">
+     Modify <a data-link-type="biblio" href="#biblio-html" title="HTML Standard">[HTML]</a>'s <a data-link-type="dfn" href="https://html.spec.whatwg.org/multipage/browsing-the-web.html#attempt-to-populate-the-history-entry&apos;s-document" id="ref-for-attempt-to-populate-the-history-entry&apos;s-document①">attempt to populate the history entry’s document</a> algorithm. Add a step
+  before the step inside the <a data-link-type="dfn" href="https://html.spec.whatwg.org/multipage/webappapis.html#queue-a-task" id="ref-for-queue-a-task①">queued task</a> starting with "If <var>failure</var> is true, then:" that reads: 
+    <ol start="8">
+     <li data-md>
+      <p>Otherwise, if the result of <a data-link-type="dfn" href="#should-navigation-response-to-navigation-request-be-blocked-by-permissions-policy" id="ref-for-should-navigation-response-to-navigation-request-be-blocked-by-permissions-policy①">Should navigation response to navigation request be blocked by
+Permissions Policy?</a> given <var>navigationParams</var> is "<code>Blocked</code>", then set <var>failure</var> to true.</p>
+    </ol>
+    <p class="note" role="note"><span class="marker">Note:</span> If this algorithm returns "<code>Blocked</code>", the pre-existing <code class="idl"><a data-link-type="idl" href="https://dom.spec.whatwg.org/#document" id="ref-for-document①⑧">Document</a></code> in the <code><a data-link-type="element" href="#elementdef-fencedframe" id="ref-for-elementdef-fencedframe⑥④">fencedframe</a></code> does not stick around; an error page will be loaded.</p>
+   </div>
+   <div class="algorithm" data-algorithm="permissions-policy-block-request">
+     Create a new algorithm called <dfn class="dfn-paneled" data-dfn-type="dfn" data-lt="Should navigation response to navigation request be blocked by Permissions Policy?" data-noexport id="should-navigation-response-to-navigation-request-be-blocked-by-permissions-policy">Should navigation response to navigation request be blocked by
+  Permissions Policy?</dfn> in <a data-link-type="biblio" href="#biblio-html" title="HTML Standard">[HTML]</a>. 
+    <p>Given a <a data-link-type="dfn" href="https://html.spec.whatwg.org/multipage/browsing-the-web.html#navigation-params" id="ref-for-navigation-params">navigation params</a> (<var>navigationParams</var>), this algorithm returns "<code>Blocked</code>" or
+  "<code>Allowed</code>":</p>
+    <ol>
+     <li data-md>
+      <p>Let <var>navigable</var> be <var>navigationParams</var>’s <a data-link-type="dfn" href="https://html.spec.whatwg.org/multipage/browsing-the-web.html#navigation-params-navigable" id="ref-for-navigation-params-navigable①">navigable</a>.</p>
+     <li data-md>
+      <p>If <var>navigable</var> is not a <a data-link-type="dfn" href="#fenced-navigable-container-fenced-navigable" id="ref-for-fenced-navigable-container-fenced-navigable④④">fenced navigable</a>, then return
+ "<code>Allowed</code>".</p>
+     <li data-md>
+      <p>Let <var>origin</var> be <var>navigationParams</var>’s <a data-link-type="dfn" href="https://html.spec.whatwg.org/multipage/browsing-the-web.html#navigation-params-origin" id="ref-for-navigation-params-origin②">origin</a>.</p>
+     <li data-md>
+      <p>Let <var>effective permissions</var> be the <var>navigable</var>’s <a data-link-type="dfn" href="#navigable-fenced-frame-config-instance" id="ref-for-navigable-fenced-frame-config-instance⑦">fenced frame config instance</a>'s <a data-link-type="dfn" href="#fenced-frame-config-instance-effective-enabled-permissions" id="ref-for-fenced-frame-config-instance-effective-enabled-permissions②">effective enabled permissions</a>.</p>
+     <li data-md>
+      <p>Let <var>permissions policy</var> be the result of <a data-link-type="abstract-op" href="https://w3c.github.io/webappsec-permissions-policy/#create-for-navigable" id="ref-for-create-for-navigable②"> creating a permissions policy</a> given <var>navigable</var>’s <a data-link-type="dfn" href="#fenced-navigable-containers" id="ref-for-fenced-navigable-containers①④">fenced navigable container</a>, <var>origin</var>,
+ and <var>fenced</var> set to true.</p>
+      <p class="note" role="note"><span class="marker">Note:</span> This is identical to the <a data-link-type="dfn" href="https://html.spec.whatwg.org/multipage/dom.html#concept-document-permissions-policy" id="ref-for-concept-document-permissions-policy④">permissions policy</a> that will be created when the
+ navigation constructs the ultimate <code class="idl"><a data-link-type="idl" href="https://dom.spec.whatwg.org/#document" id="ref-for-document①⑨">Document</a></code> for this pending navigation. We create it now
+ and run tests on it since this is the appropriate time to determine if a navigation will fail,
+ and then throw it away. If the navigation succeeds, it will be recreated identically and
+ unconditionally installed on the <code class="idl"><a data-link-type="idl" href="https://dom.spec.whatwg.org/#document" id="ref-for-document②⓪">Document</a></code>.</p>
+     <li data-md>
+      <p>Let <var>inherited policy</var> be <var>permissions policy</var>’s <a data-link-type="dfn" href="https://w3c.github.io/webappsec-permissions-policy#inherited-policy" id="ref-for-inherited-policy④">inherited policy</a>.</p>
+     <li data-md>
+      <p><a data-link-type="dfn" href="https://infra.spec.whatwg.org/#list-iterate" id="ref-for-list-iterate②">For each</a> <var>effective permission</var> of <var>effective permissions</var>:</p>
+      <ol>
+       <li data-md>
+        <p>If <var>inherited policy</var>[<var>effective permission</var>] is "Disabled", return "<code>Blocked</code>".</p>
+      </ol>
+     <li data-md>
+      <p>Return "<code>Allowed</code>."</p>
+    </ol>
+   </div>
+   <div class="algorithm" data-algorithm="define-inherited-policy-in-container-patches">
+     Modify the <a data-link-type="abstract-op" href="https://w3c.github.io/webappsec-permissions-policy/#define-inherited-policy-in-container" id="ref-for-define-inherited-policy-in-container①">Define an inherited policy for feature in container at origin</a> algorithm to
+  read: 
+    <p>Given a feature (<var>feature</var>), null or a <a data-link-type="dfn" href="https://html.spec.whatwg.org/multipage/document-sequences.html#navigable-container" id="ref-for-navigable-container⑨">navigable container</a> (<var>container</var>), an <a data-link-type="dfn" href="https://html.spec.whatwg.org/multipage/browsers.html#concept-origin" id="ref-for-concept-origin⑧">origin</a> for a
+  document in that container (<var>origin</var>), and an optional <a data-link-type="dfn" href="https://infra.spec.whatwg.org/#boolean" id="ref-for-boolean④">boolean</a> <var>fenced</var> that defaults to
+  false, this algorithm returns the <a data-link-type="dfn" href="https://w3c.github.io/webappsec-permissions-policy#inherited-policy" id="ref-for-inherited-policy⑤">inherited policy</a> for that feature.</p>
+    <p>Rewrite step 3 to read:</p>
+    <ol start="3">
+     <li data-md>
+      <p>If the result of executing <a data-link-type="abstract-op" href="https://w3c.github.io/webappsec-permissions-policy/#is-feature-enabled" id="ref-for-is-feature-enabled">Is feature enabled in document for origin?</a> on <var>feature</var>, <var>container</var>’s <a data-link-type="dfn" href="https://dom.spec.whatwg.org/#concept-node-document" id="ref-for-concept-node-document④">node document</a>, <var>origin</var>, and <var>fenced</var> is "Disabled", return
+ "Disabled".</p>
+    </ol>
+    <p class="note" role="note"><span class="marker">Note:</span> We don’t have to rewrite step 2, which also delegates to the same algorithm, to pass in the <var>fenced</var> <a data-link-type="dfn" href="https://infra.spec.whatwg.org/#boolean" id="ref-for-boolean⑤">boolean</a> because step 2 has to do with checking to see if <var>feature</var> is enabled <var>container</var>’s <a data-link-type="dfn" href="https://dom.spec.whatwg.org/#concept-node-document" id="ref-for-concept-node-document⑤">node document</a>, not the <code class="idl"><a data-link-type="idl" href="https://dom.spec.whatwg.org/#document" id="ref-for-document②①">Document</a></code> hosted <em>inside</em> <var>container</var>.</p>
+    <p>Rewrite step 7 to read:</p>
+    <ol start="7">
+     <li data-md>
+      <p>If <var>fenced</var> is false, <var>feature</var>’s <a data-link-type="dfn" href="https://w3c.github.io/webappsec-permissions-policy/#policy-controlled-feature-default-allowlist" id="ref-for-policy-controlled-feature-default-allowlist④">default allowlist</a> is <code>'self'</code>, and <var>origin</var> is <a data-link-type="dfn" href="https://html.spec.whatwg.org/multipage/browsers.html#same-origin" id="ref-for-same-origin⑥">same origin</a> with <var>container</var>’s <a data-link-type="dfn" href="https://dom.spec.whatwg.org/#concept-node-document" id="ref-for-concept-node-document⑥">node document</a>'s
+ origin, return <code>"Enabled"</code>.</p>
+    </ol>
+   </div>
+   <div class="algorithm" data-algorithm="is-feature-enabled-patches">
+     Modify the <a data-link-type="abstract-op" href="https://w3c.github.io/webappsec-permissions-policy/#is-feature-enabled" id="ref-for-is-feature-enabled①">Is feature enabled in document for origin?</a> algorithm to read: 
+    <p>Given a feature (<var>feature</var>), a <code class="idl"><a data-link-type="idl" href="https://dom.spec.whatwg.org/#document" id="ref-for-document②②">Document</a></code> object (<var>document</var>), an <a data-link-type="dfn" href="https://url.spec.whatwg.org/#concept-url-origin" id="ref-for-concept-url-origin③">origin</a> (<var>origin</var>), and
+  an optional <a data-link-type="dfn" href="https://infra.spec.whatwg.org/#boolean" id="ref-for-boolean⑥">boolean</a> <var>fenced</var> that defaults to false, this algorithm returns "<code>Disabled</code>" if <var>feature</var> should be considered disabled, and "<code>Enabled</code>" otherwise.</p>
+    <p>Rewrite step 3 to read:</p>
+    <ol start="3">
+     <li data-md>
+      <p>If <var>feature</var> is present in <var>policy</var>’s <a data-link-type="dfn" href="https://w3c.github.io/webappsec-permissions-policy#declared-policy" id="ref-for-declared-policy">declared policy</a>,</p>
+      <ol>
+       <li data-md>
+        <p>If <var>fenced</var> is set to false, and the <a data-link-type="dfn" href="https://w3c.github.io/webappsec-permissions-policy/#allowlist" id="ref-for-allowlist⑦">allowlist</a> for <var>feature</var> in <var>policy</var>’s <a data-link-type="dfn" href="https://w3c.github.io/webappsec-permissions-policy#declared-policy" id="ref-for-declared-policy①">declared
+ policy</a> <a data-link-type="dfn" href="https://w3c.github.io/webappsec-permissions-policy#matches" id="ref-for-matches">matches</a> <var>origin</var>, then return "<code>Enabled</code>".</p>
+       <li data-md>
+        <p>Otherwise, if <var>fenced</var> is set to true, and the <a data-link-type="dfn" href="https://w3c.github.io/webappsec-permissions-policy/#allowlist" id="ref-for-allowlist⑧">allowlist</a> for <var>feature</var> in <var>policy</var>’s <a data-link-type="dfn" href="https://w3c.github.io/webappsec-permissions-policy#declared-policy" id="ref-for-declared-policy②">declared policy</a> is <a data-link-type="dfn" href="https://w3c.github.io/webappsec-permissions-policy#the-special-value" id="ref-for-the-special-value③">the special value *</a>, then return "<code>Enabled</code>".</p>
+       <li data-md>
+        <p>Otherwise, return "<code>Disabled</code>".</p>
+      </ol>
+    </ol>
+    <p>Rewrite step 5 to read:</p>
+    <ol start="5">
+     <li data-md>
+      <p>If <var>fenced</var> is set to false, <var>feature</var>’s <a data-link-type="dfn" href="https://w3c.github.io/webappsec-permissions-policy/#policy-controlled-feature-default-allowlist" id="ref-for-policy-controlled-feature-default-allowlist⑤">default allowlist</a> is <code>'self'</code>, and <var>origin</var> is <a data-link-type="dfn" href="https://html.spec.whatwg.org/multipage/browsers.html#same-origin" id="ref-for-same-origin⑦">same origin</a> with <var>document</var>’s origin, return "Enabled".</p>
+    </ol>
+   </div>
   </main>
 <script src="https://www.w3.org/scripts/TR/2021/fixup.js"></script>
   <h2 class="no-num no-ref heading settled" id="index"><span class="content">Index</span><a class="self-link" href="#index"></a></h2>
   <h3 class="no-num no-ref heading settled" id="index-defined-here"><span class="content">Terms defined by this specification</span><a class="self-link" href="#index-defined-here"></a></h3>
   <ul class="index">
+   <li>
+    allow
+    <ul>
+     <li><a href="#dom-htmlfencedframeelement-allow">attribute for HTMLFencedFrameElement</a><span>, in § 1</span>
+     <li><a href="#element-attrdef-fencedframe-allow">element-attr for fencedframe</a><span>, in § 1</span>
+    </ul>
    <li><a href="#exfiltration-budget-metadata-amount-to-debit">amount to debit</a><span>, in § 1.3.2</span>
    <li><a href="#exfiltration-budget-metadata-reference-amount-to-debit-reference">amount to debit reference</a><span>, in § 1.3.2</span>
    <li><a href="#dom-fencereportingdestination-buyer">"buyer"</a><span>, in § 1.4</span>
@@ -2420,6 +2617,7 @@ <h3 class="no-num no-ref heading settled" id="index-defined-here"><span class="c
    <li><a href="#dom-fence-setreporteventdataforautomaticbeacons">setReportEventDataForAutomaticBeacons(event)</a><span>, in § 1.4</span>
    <li><a href="#dom-fencedframeconfig-setsharedstoragecontext">setSharedStorageContext(contextString)</a><span>, in § 1.3.4</span>
    <li><a href="#dom-fencereportingdestination-shared-storage-select-url">"shared-storage-select-url"</a><span>, in § 1.4</span>
+   <li><a href="#should-navigation-response-to-navigation-request-be-blocked-by-permissions-policy">Should navigation response to navigation request be blocked by Permissions Policy?</a><span>, in § 3.3.1</span>
    <li><a href="#fencedframetype-size">size</a><span>, in § 1.3.2</span>
    <li><a href="#fenced-frame-config-mapping-store-a-pending-config">store a pending config</a><span>, in § 1.2</span>
    <li><a href="#fenced-frame-config-mapping-store-nested-configs">store nested configs</a><span>, in § 1.2</span>
@@ -2482,16 +2680,22 @@ <h3 class="no-num no-ref heading settled" id="index-defined-elsewhere"><span cla
     <a data-link-type="biblio">[CSP]</a> defines the following terms:
     <ul>
      <li><span class="dfn-paneled" id="233e6d44">'self'</span>
+     <li><span class="dfn-paneled" id="73314dc4">accesskey attribute command</span>
      <li><span class="dfn-paneled" id="6e4a4b23">connect-src</span>
      <li><span class="dfn-paneled" id="b7c21a86">content-security-policy</span>
      <li><span class="dfn-paneled" id="2591d27a">default-src</span>
      <li><span class="dfn-paneled" id="b43a01e9">directive value</span>
      <li><span class="dfn-paneled" id="c80aa797">directives</span>
+     <li><span class="dfn-paneled" id="9f10d8ea">face validation anchor</span>
+     <li><span class="dfn-paneled" id="b4032f36">fire a click event</span>
      <li><span class="dfn-paneled" id="246aae4c">frame-src</span>
      <li><span class="dfn-paneled" id="8d4c2bb9">frame-src post-request check</span>
      <li><span class="dfn-paneled" id="aec77e5c">frame-src pre-request check</span>
      <li><span class="dfn-paneled" id="0cc094e4">get the effective directive for request</span>
+     <li><span class="dfn-paneled" id="921bc95d">hide popover algorithm</span>
      <li><span class="dfn-paneled" id="0950067d">host-source</span>
+     <li><span class="dfn-paneled" id="632ea4eb">interactively validate the constraints</span>
+     <li><span class="dfn-paneled" id="dc76d8da">previously focused element</span>
      <li><span class="dfn-paneled" id="d4ec2d19">scheme-source</span>
      <li><span class="dfn-paneled" id="8f1a9afe">serialized-source-list</span>
      <li><span class="dfn-paneled" id="b36452d7">source expression</span>
@@ -2533,6 +2737,7 @@ <h3 class="no-num no-ref heading settled" id="index-defined-elsewhere"><span cla
      <li><span class="dfn-paneled" id="5a391458">non-subresource request</span>
      <li><span class="dfn-paneled" id="8cb360fb">queue a cross-origin embedder policy corp violation report</span>
      <li><span class="dfn-paneled" id="55213b5b">request</span>
+     <li><span class="dfn-paneled" id="ee7bba09">response</span>
      <li><span class="dfn-paneled" id="3268a8eb">url</span>
     </ul>
    <li>
@@ -2544,12 +2749,13 @@ <h3 class="no-num no-ref heading settled" id="index-defined-elsewhere"><span cla
      <li><span class="dfn-paneled" id="a2411b6a">History</span>
      <li><span class="dfn-paneled" id="5d7209e9">Window</span>
      <li><span class="dfn-paneled" id="5fd912e7">accessibility considerations</span>
-     <li><span class="dfn-paneled" id="6fa9162d">accesskey attribute command</span>
      <li><span class="dfn-paneled" id="440fa929">activation</span>
      <li><span class="dfn-paneled" id="36d15a6d">activation notification</span>
      <li><span class="dfn-paneled" id="35972864">active document</span>
      <li><span class="dfn-paneled" id="27e10eaf">active sandboxing flag set</span>
      <li><span class="dfn-paneled" id="b565078e">active session history entry</span>
+     <li><span class="dfn-paneled" id="57435598">allow</span>
+     <li><span class="dfn-paneled" id="3610bd67">allowed to use</span>
      <li><span class="dfn-paneled" id="ece2ee9d">ancestor navigables</span>
      <li><span class="dfn-paneled" id="3349d69f">associated document</span>
      <li><span class="dfn-paneled" id="1565d481">attempt to populate the history entry's document</span>
@@ -2582,8 +2788,6 @@ <h3 class="no-num no-ref heading settled" id="index-defined-elsewhere"><span cla
      <li><span class="dfn-paneled" id="317acf49">dom interface</span>
      <li><span class="dfn-paneled" id="38c8ba2c">embedded content</span>
      <li><span class="dfn-paneled" id="f149351d">embedder policy</span>
-     <li><span class="dfn-paneled" id="e4f0217f">face validation anchor</span>
-     <li><span class="dfn-paneled" id="e5cb4a39">fire a click event</span>
      <li><span class="dfn-paneled" id="1236ac1a">flow content</span>
      <li><span class="dfn-paneled" id="716e5220">focus chain</span>
      <li><span class="dfn-paneled" id="672227e0">focus update steps</span>
@@ -2598,35 +2802,35 @@ <h3 class="no-num no-ref heading settled" id="index-defined-elsewhere"><span cla
      <li><span class="dfn-paneled" id="8fc74046">global attributes</span>
      <li><span class="dfn-paneled" id="7c421916">has focus steps</span>
      <li><span class="dfn-paneled" id="0b79108e">height</span>
-     <li><span class="dfn-paneled" id="979264d7">hide popover algorithm</span>
      <li><span class="dfn-paneled" id="37b5f0f9">historyhandling</span>
      <li><span class="dfn-paneled" id="87fcd40c">iframe</span>
      <li><span class="dfn-paneled" id="b8d9c605">immediately</span>
      <li><span class="dfn-paneled" id="dbdbb853">inclusive descendant navigables</span>
      <li><span class="dfn-paneled" id="2fa84525">initialize the navigable</span>
      <li><span class="dfn-paneled" id="bd7d36d0">interactive content</span>
-     <li><span class="dfn-paneled" id="fc2d4032">interactively validate the constraints</span>
      <li><span class="dfn-paneled" id="af07f0c4">length</span>
      <li><span class="dfn-paneled" id="9c19b7fc">navigable</span>
      <li><span class="dfn-paneled" id="228be966">navigable <small>(for Window)</small></span>
      <li><span class="dfn-paneled" id="693b6384">navigable <small>(for navigation params)</small></span>
      <li><span class="dfn-paneled" id="bf63a402">navigable container</span>
      <li><span class="dfn-paneled" id="2594e562">navigate</span>
+     <li><span class="dfn-paneled" id="4437edc6">navigation params</span>
      <li><span class="dfn-paneled" id="01ff24f7">node is inserted into a document</span>
      <li><span class="dfn-paneled" id="13dd6cae">node navigable</span>
      <li><span class="dfn-paneled" id="e86519ee">none</span>
      <li><span class="dfn-paneled" id="fbadcbc4">nothing</span>
      <li><span class="dfn-paneled" id="086e3aff">origin</span>
+     <li><span class="dfn-paneled" id="225c2b02">origin <small>(for navigation params)</small></span>
      <li><span class="dfn-paneled" id="d54eeea2">palpable content</span>
      <li><span class="dfn-paneled" id="1bba3db7">parent</span>
      <li><span class="dfn-paneled" id="55a8e1b3">parse a url</span>
      <li><span class="dfn-paneled" id="a41102eb">permissions policy</span>
      <li><span class="dfn-paneled" id="e5a7e26c">phrasing content</span>
      <li><span class="dfn-paneled" id="08639fbc">policy container</span>
-     <li><span class="dfn-paneled" id="6aea56c3">previously focused element</span>
      <li><span class="dfn-paneled" id="b1f81001">queue a cross-origin embedder policy inheritance violation</span>
      <li><span class="dfn-paneled" id="9a517a7d">queue a task</span>
      <li><span class="dfn-paneled" id="a76e7e27">referrerpolicy</span>
+     <li><span class="dfn-paneled" id="5ab7b520">reflect</span>
      <li><span class="dfn-paneled" id="e99bd18e">relevant global object</span>
      <li><span class="dfn-paneled" id="5991ccfb">relevant realm</span>
      <li><span class="dfn-paneled" id="9c4c1e66">relevant settings object</span>
@@ -2640,6 +2844,7 @@ <h3 class="no-num no-ref heading settled" id="index-defined-elsewhere"><span cla
      <li><span class="dfn-paneled" id="8c20d82f">sequential focus navigation</span>
      <li><span class="dfn-paneled" id="6197cadb">sequential navigation search algorithm</span>
      <li><span class="dfn-paneled" id="5e1e14ce">session history entries</span>
+     <li><span class="dfn-paneled" id="deddc6fc">src</span>
      <li><span class="dfn-paneled" id="ecf857b3">system visibility state</span>
      <li><span class="dfn-paneled" id="8d403805">the document's referrer</span>
      <li><span class="dfn-paneled" id="d0c1b934">traversable navigable</span>
@@ -2657,7 +2862,8 @@ <h3 class="no-num no-ref heading settled" id="index-defined-elsewhere"><span cla
      <li><span class="dfn-paneled" id="7b0d918d">break</span>
      <li><span class="dfn-paneled" id="ae8def21">contain</span>
      <li><span class="dfn-paneled" id="f937b7b6">continue</span>
-     <li><span class="dfn-paneled" id="1243a891">exist</span>
+     <li><span class="dfn-paneled" id="75393c04">exist <small>(for list)</small></span>
+     <li><span class="dfn-paneled" id="1243a891">exist <small>(for map)</small></span>
      <li><span class="dfn-paneled" id="d8f8bd6e">extend</span>
      <li><span class="dfn-paneled" id="16d07e10">for each <small>(for list)</small></span>
      <li><span class="dfn-paneled" id="45209803">for each <small>(for map)</small></span>
@@ -2677,11 +2883,27 @@ <h3 class="no-num no-ref heading settled" id="index-defined-elsewhere"><span cla
      <li><span class="dfn-paneled" id="cbdc89b4">while</span>
     </ul>
    <li>
-    <a data-link-type="biblio">[PERMISSIONS-POLICY-1]</a> defines the following terms:
+    <a data-link-type="biblio">[PERMISSIONS-POLICY]</a> defines the following terms:
     <ul>
+     <li><span class="dfn-paneled" id="333b39ba">'self'</span>
+     <li><span class="dfn-paneled" id="a4bd3a02">Create a Permissions Policy for a navigable</span>
+     <li><span class="dfn-paneled" id="60a07537">Create a Permissions Policy for a navigable from response</span>
+     <li><span class="dfn-paneled" id="ed19a3f6">Define an inherited policy for feature in container at origin</span>
+     <li><span class="dfn-paneled" id="1ff5a349">Is feature enabled in document for origin?</span>
+     <li><span class="dfn-paneled" id="16215713">allowlist</span>
+     <li><span class="dfn-paneled" id="512b396d">ascii-serialized policy directive</span>
+     <li><span class="dfn-paneled" id="d080b91a">container policy</span>
+     <li><span class="dfn-paneled" id="748f3274">declared policy</span>
+     <li><span class="dfn-paneled" id="1570624a">default allowlist</span>
      <li><span class="dfn-paneled" id="91f19d9b">inherited policy</span>
      <li><span class="dfn-paneled" id="9a53d7fe">inherited policy for a feature</span>
+     <li><span class="dfn-paneled" id="a11ac608">matches</span>
+     <li><span class="dfn-paneled" id="bd6ce462">permissions policy</span>
+     <li><span class="dfn-paneled" id="0e3ba2bf">permissions-policy</span>
      <li><span class="dfn-paneled" id="cc890cc1">policy-controlled feature</span>
+     <li><span class="dfn-paneled" id="afef6e87">serialized permissions policy</span>
+     <li><span class="dfn-paneled" id="7e36d255">supported features</span>
+     <li><span class="dfn-paneled" id="d47cadd5">the special value *</span>
     </ul>
    <li>
     <a data-link-type="biblio">[PRERENDERING-REVAMPED]</a> defines the following terms:
@@ -2736,7 +2958,7 @@ <h3 class="no-num no-ref heading settled" id="normative"><span class="content">N
    <dd>Anne van Kesteren; et al. <a href="https://html.spec.whatwg.org/multipage/"><cite>HTML Standard</cite></a>. Living Standard. URL: <a href="https://html.spec.whatwg.org/multipage/">https://html.spec.whatwg.org/multipage/</a>
    <dt id="biblio-infra">[INFRA]
    <dd>Anne van Kesteren; Domenic Denicola. <a href="https://infra.spec.whatwg.org/"><cite>Infra Standard</cite></a>. Living Standard. URL: <a href="https://infra.spec.whatwg.org/">https://infra.spec.whatwg.org/</a>
-   <dt id="biblio-permissions-policy-1">[PERMISSIONS-POLICY-1]
+   <dt id="biblio-permissions-policy">[PERMISSIONS-POLICY]
    <dd>Ian Clelland. <a href="https://w3c.github.io/webappsec-permissions-policy/"><cite>Permissions Policy</cite></a>. URL: <a href="https://w3c.github.io/webappsec-permissions-policy/">https://w3c.github.io/webappsec-permissions-policy/</a>
    <dt id="biblio-prerendering-revamped">[PRERENDERING-REVAMPED]
    <dd>Prerendering Revamped URL: <a href="https://wicg.github.io/nav-speculation/prerendering.html">https://wicg.github.io/nav-speculation/prerendering.html</a>
@@ -2757,6 +2979,7 @@ <h2 class="no-num no-ref heading settled" id="idl-index"><span class="content">I
   [<a class="idl-code" data-link-type="extended-attribute" href="https://html.spec.whatwg.org/multipage/custom-elements.html#cereactions"><c- g>CEReactions</c-></a>] <c- b>attribute</c-> <a data-link-type="idl-name" href="#fencedframeconfig"><c- n>FencedFrameConfig</c-></a>? <a class="idl-code" data-link-type="attribute" data-type="FencedFrameConfig?" href="#dom-htmlfencedframeelement-config"><c- g>config</c-></a>;
   [<a class="idl-code" data-link-type="extended-attribute" href="https://html.spec.whatwg.org/multipage/custom-elements.html#cereactions"><c- g>CEReactions</c-></a>] <c- b>attribute</c-> <a class="idl-code" data-link-type="interface" href="https://webidl.spec.whatwg.org/#idl-DOMString"><c- b>DOMString</c-></a> <a data-type="DOMString" href="#dom-htmlfencedframeelement-width"><code><c- g>width</c-></code></a>;
   [<a class="idl-code" data-link-type="extended-attribute" href="https://html.spec.whatwg.org/multipage/custom-elements.html#cereactions"><c- g>CEReactions</c-></a>] <c- b>attribute</c-> <a class="idl-code" data-link-type="interface" href="https://webidl.spec.whatwg.org/#idl-DOMString"><c- b>DOMString</c-></a> <a data-type="DOMString" href="#dom-htmlfencedframeelement-height"><code><c- g>height</c-></code></a>;
+  [<a class="idl-code" data-link-type="extended-attribute" href="https://html.spec.whatwg.org/multipage/custom-elements.html#cereactions"><c- g>CEReactions</c-></a>] <c- b>attribute</c-> <a class="idl-code" data-link-type="interface" href="https://webidl.spec.whatwg.org/#idl-DOMString"><c- b>DOMString</c-></a> <a class="idl-code" data-link-type="attribute" data-type="DOMString" href="#dom-htmlfencedframeelement-allow"><c- g>allow</c-></a>;
 };
 
 <c- b>enum</c-> <a href="#enumdef-opaqueproperty"><code><c- g>OpaqueProperty</c-></code></a> {<a href="#dom-opaqueproperty-opaque"><code><c- s>"opaque"</c-></code></a>};
@@ -2811,7 +3034,6 @@ <h2 class="no-num no-ref heading settled" id="issues-index"><span class="content
   navigable creation</a> or <a href="https://html.spec.whatwg.org/multipage/nav-history-apis.html#apis-for-creating-and-navigating-browsing-contexts-by-name:url-and-history-update-steps">top-level
   traversable creation</a>, but we still need a mechanism to initialize <code class="idl"><a data-link-type="idl" href="https://html.spec.whatwg.org/multipage/nav-history-apis.html#history-3">History</a></code>.<code class="idl"><a data-link-type="idl" href="https://html.spec.whatwg.org/multipage/nav-history-apis.html#dom-history-length">length</a></code> in the new navigable. This is an existing issue in the HTML
   Standard: <a href="https://github.com/whatwg/html/issues/9030">https://github.com/whatwg/html/issues/9030</a>. <a class="issue-return" href="#issue-8e3b9846" title="Jump to section">↵</a></div>
-   <div class="issue"> Ensure we are doing the right thing for <a data-link-type="dfn" href="https://html.spec.whatwg.org/multipage/dom.html#concept-document-permissions-policy">permissions policy</a>. <a class="issue-return" href="#issue-d31f6063" title="Jump to section">↵</a></div>
    <div class="issue"> Determine if we need to fence or unfence the <a data-link-type="dfn" href="https://html.spec.whatwg.org/multipage/browsers.html#queue-a-cross-origin-embedder-policy-inheritance-violation">queue a cross-origin embedder policy
 inheritance violation</a> algorithm, as leaving it unfenced may cause a privacy leak. <a class="issue-return" href="#issue-3fa4bcc3" title="Jump to section">↵</a></div>
    <div class="issue"> Determine if we need to fence or unfence the <a data-link-type="dfn" href="https://fetch.spec.whatwg.org/#queue-a-cross-origin-embedder-policy-corp-violation-report">queue a cross-origin embedder policy
@@ -2975,16 +3197,22 @@ <h2 class="no-num no-ref heading settled" id="issues-index"><span class="content
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 window.dfnpanelData['exfiltration-budget-metadata-value'] = {"dfnID": "exfiltration-budget-metadata-value", "url": "#exfiltration-budget-metadata-value", "dfnText": "value", "refSections": [{"refs": [{"id": "ref-for-exfiltration-budget-metadata-value"}, {"id": "ref-for-exfiltration-budget-metadata-value\u2460"}], "title": "1.3.3. The fenced frame config instance struct"}], "external": false};
@@ -3218,24 +3466,25 @@ <h2 class="no-num no-ref heading settled" id="issues-index"><span class="content
 window.dfnpanelData['fenced-frame-config-instance-content-size'] = {"dfnID": "fenced-frame-config-instance-content-size", "url": "#fenced-frame-config-instance-content-size", "dfnText": "content size", "refSections": [{"refs": [{"id": "ref-for-fenced-frame-config-instance-content-size"}], "title": "1.3.3. The fenced frame config instance struct"}], "external": false};
 window.dfnpanelData['fenced-frame-config-instance-interest-group-descriptor'] = {"dfnID": "fenced-frame-config-instance-interest-group-descriptor", "url": "#fenced-frame-config-instance-interest-group-descriptor", "dfnText": "interest group descriptor", "refSections": [{"refs": [{"id": "ref-for-fenced-frame-config-instance-interest-group-descriptor"}], "title": "1.3.3. The fenced frame config instance struct"}], "external": false};
 window.dfnpanelData['fenced-frame-config-instance-effective-sandbox-flags'] = {"dfnID": "fenced-frame-config-instance-effective-sandbox-flags", "url": "#fenced-frame-config-instance-effective-sandbox-flags", "dfnText": "effective sandbox flags", "refSections": [{"refs": [{"id": "ref-for-fenced-frame-config-instance-effective-sandbox-flags"}], "title": "1.3.3. The fenced frame config instance struct"}], "external": false};
-window.dfnpanelData['fenced-frame-config-instance-effective-enabled-permissions'] = {"dfnID": "fenced-frame-config-instance-effective-enabled-permissions", "url": "#fenced-frame-config-instance-effective-enabled-permissions", "dfnText": "effective enabled permissions", "refSections": [{"refs": [{"id": "ref-for-fenced-frame-config-instance-effective-enabled-permissions"}], "title": "1.3.3. The fenced frame config instance struct"}], "external": false};
+window.dfnpanelData['fenced-frame-config-instance-effective-enabled-permissions'] = {"dfnID": "fenced-frame-config-instance-effective-enabled-permissions", "url": "#fenced-frame-config-instance-effective-enabled-permissions", "dfnText": "effective enabled permissions", "refSections": [{"refs": [{"id": "ref-for-fenced-frame-config-instance-effective-enabled-permissions"}], "title": "1.3.3. The fenced frame config instance struct"}, {"refs": [{"id": "ref-for-fenced-frame-config-instance-effective-enabled-permissions\u2460"}], "title": "3.3. Permissions Policies"}, {"refs": [{"id": "ref-for-fenced-frame-config-instance-effective-enabled-permissions\u2461"}], "title": "3.3.1. Algorithm patches"}], "external": false};
 window.dfnpanelData['fenced-frame-config-instance-fenced-frame-reporter'] = {"dfnID": "fenced-frame-config-instance-fenced-frame-reporter", "url": "#fenced-frame-config-instance-fenced-frame-reporter", "dfnText": "fenced frame reporter", "refSections": [{"refs": [{"id": "ref-for-fenced-frame-config-instance-fenced-frame-reporter"}], "title": "1.3.3. The fenced frame config instance struct"}, {"refs": [{"id": "ref-for-fenced-frame-config-instance-fenced-frame-reporter\u2460"}, {"id": "ref-for-fenced-frame-config-instance-fenced-frame-reporter\u2461"}, {"id": "ref-for-fenced-frame-config-instance-fenced-frame-reporter\u2462"}, {"id": "ref-for-fenced-frame-config-instance-fenced-frame-reporter\u2463"}, {"id": "ref-for-fenced-frame-config-instance-fenced-frame-reporter\u2464"}], "title": "1.4. The Fence interface"}], "external": false};
 window.dfnpanelData['fenced-frame-config-instance-exfiltration-budget-metadata-reference'] = {"dfnID": "fenced-frame-config-instance-exfiltration-budget-metadata-reference", "url": "#fenced-frame-config-instance-exfiltration-budget-metadata-reference", "dfnText": "exfiltration budget metadata reference", "refSections": [{"refs": [{"id": "ref-for-fenced-frame-config-instance-exfiltration-budget-metadata-reference"}], "title": "1.3.3. The fenced frame config instance struct"}], "external": false};
 window.dfnpanelData['fenced-frame-config-instance-nested-configs'] = {"dfnID": "fenced-frame-config-instance-nested-configs", "url": "#fenced-frame-config-instance-nested-configs", "dfnText": "nested configs", "refSections": [{"refs": [{"id": "ref-for-fenced-frame-config-instance-nested-configs"}], "title": "1.2. Fenced frame config mapping"}, {"refs": [{"id": "ref-for-fenced-frame-config-instance-nested-configs\u2460"}, {"id": "ref-for-fenced-frame-config-instance-nested-configs\u2461"}], "title": "1.3.3. The fenced frame config instance struct"}, {"refs": [{"id": "ref-for-fenced-frame-config-instance-nested-configs\u2462"}, {"id": "ref-for-fenced-frame-config-instance-nested-configs\u2463"}], "title": "1.4. The Fence interface"}], "external": false};
 window.dfnpanelData['fenced-frame-config-instance-partition-nonce'] = {"dfnID": "fenced-frame-config-instance-partition-nonce", "url": "#fenced-frame-config-instance-partition-nonce", "dfnText": "partition nonce", "refSections": [{"refs": [{"id": "ref-for-fenced-frame-config-instance-partition-nonce"}], "title": "1.3.3. The fenced frame config instance struct"}], "external": false};
 window.dfnpanelData['fenced-frame-config-instance-embedder-shared-storage-context'] = {"dfnID": "fenced-frame-config-instance-embedder-shared-storage-context", "url": "#fenced-frame-config-instance-embedder-shared-storage-context", "dfnText": "embedder shared storage context", "refSections": [{"refs": [{"id": "ref-for-fenced-frame-config-instance-embedder-shared-storage-context"}], "title": "1.3.3. The fenced frame config instance struct"}], "external": false};
-window.dfnpanelData['navigable-fenced-frame-config-instance'] = {"dfnID": "navigable-fenced-frame-config-instance", "url": "#navigable-fenced-frame-config-instance", "dfnText": "fenced frame config instance", "refSections": [{"refs": [{"id": "ref-for-navigable-fenced-frame-config-instance"}], "title": "1.3.3. The fenced frame config instance struct"}, {"refs": [{"id": "ref-for-navigable-fenced-frame-config-instance\u2460"}, {"id": "ref-for-navigable-fenced-frame-config-instance\u2461"}, {"id": "ref-for-navigable-fenced-frame-config-instance\u2462"}], "title": "1.4. The Fence interface"}, {"refs": [{"id": "ref-for-navigable-fenced-frame-config-instance\u2463"}], "title": "2.1. Extensions to the Window interface"}], "external": false};
+window.dfnpanelData['instantiate-a-config'] = {"dfnID": "instantiate-a-config", "url": "#instantiate-a-config", "dfnText": "instantiate a config", "refSections": [{"refs": [{"id": "ref-for-instantiate-a-config"}], "title": "3.3. Permissions Policies"}], "external": false};
+window.dfnpanelData['navigable-fenced-frame-config-instance'] = {"dfnID": "navigable-fenced-frame-config-instance", "url": "#navigable-fenced-frame-config-instance", "dfnText": "fenced frame config instance", "refSections": [{"refs": [{"id": "ref-for-navigable-fenced-frame-config-instance"}], "title": "1.3.3. The fenced frame config instance struct"}, {"refs": [{"id": "ref-for-navigable-fenced-frame-config-instance\u2460"}, {"id": "ref-for-navigable-fenced-frame-config-instance\u2461"}, {"id": "ref-for-navigable-fenced-frame-config-instance\u2462"}], "title": "1.4. The Fence interface"}, {"refs": [{"id": "ref-for-navigable-fenced-frame-config-instance\u2463"}], "title": "2.1. Extensions to the Window interface"}, {"refs": [{"id": "ref-for-navigable-fenced-frame-config-instance\u2464"}, {"id": "ref-for-navigable-fenced-frame-config-instance\u2465"}], "title": "3.3. Permissions Policies"}, {"refs": [{"id": "ref-for-navigable-fenced-frame-config-instance\u2466"}], "title": "3.3.1. Algorithm patches"}], "external": false};
 window.dfnpanelData['enumdef-opaqueproperty'] = {"dfnID": "enumdef-opaqueproperty", "url": "#enumdef-opaqueproperty", "dfnText": "OpaqueProperty", "refSections": [{"refs": [{"id": "ref-for-enumdef-opaqueproperty"}], "title": "1.3.4. The FencedFrameConfig interface"}], "external": false};
 window.dfnpanelData['typedefdef-fencedframeconfigsize'] = {"dfnID": "typedefdef-fencedframeconfigsize", "url": "#typedefdef-fencedframeconfigsize", "dfnText": "FencedFrameConfigSize", "refSections": [{"refs": [{"id": "ref-for-typedefdef-fencedframeconfigsize"}, {"id": "ref-for-typedefdef-fencedframeconfigsize\u2460"}, {"id": "ref-for-typedefdef-fencedframeconfigsize\u2461"}, {"id": "ref-for-typedefdef-fencedframeconfigsize\u2462"}], "title": "1.3.4. The FencedFrameConfig interface"}], "external": false};
 window.dfnpanelData['typedefdef-fencedframeconfigurl'] = {"dfnID": "typedefdef-fencedframeconfigurl", "url": "#typedefdef-fencedframeconfigurl", "dfnText": "FencedFrameConfigURL", "refSections": [{"refs": [{"id": "ref-for-typedefdef-fencedframeconfigurl"}], "title": "1.3.4. The FencedFrameConfig interface"}], "external": false};
-window.dfnpanelData['fencedframeconfig'] = {"dfnID": "fencedframeconfig", "url": "#fencedframeconfig", "dfnText": "FencedFrameConfig", "refSections": [{"refs": [{"id": "ref-for-fencedframeconfig"}, {"id": "ref-for-fencedframeconfig\u2460"}], "title": "1. The fencedframe element"}, {"refs": [{"id": "ref-for-fencedframeconfig\u2461"}], "title": "1.3.1. Introduction"}, {"refs": [{"id": "ref-for-fencedframeconfig\u2462"}, {"id": "ref-for-fencedframeconfig\u2463"}, {"id": "ref-for-fencedframeconfig\u2464"}, {"id": "ref-for-fencedframeconfig\u2465"}], "title": "1.3.4. The FencedFrameConfig interface"}, {"refs": [{"id": "ref-for-fencedframeconfig\u2466"}, {"id": "ref-for-fencedframeconfig\u2467"}, {"id": "ref-for-fencedframeconfig\u2468"}], "title": "1.4. The Fence interface"}], "external": false};
+window.dfnpanelData['fencedframeconfig'] = {"dfnID": "fencedframeconfig", "url": "#fencedframeconfig", "dfnText": "FencedFrameConfig", "refSections": [{"refs": [{"id": "ref-for-fencedframeconfig"}, {"id": "ref-for-fencedframeconfig\u2460"}], "title": "1. The fencedframe element"}, {"refs": [{"id": "ref-for-fencedframeconfig\u2461"}], "title": "1.3.1. Introduction"}, {"refs": [{"id": "ref-for-fencedframeconfig\u2462"}, {"id": "ref-for-fencedframeconfig\u2463"}, {"id": "ref-for-fencedframeconfig\u2464"}, {"id": "ref-for-fencedframeconfig\u2465"}], "title": "1.3.4. The FencedFrameConfig interface"}, {"refs": [{"id": "ref-for-fencedframeconfig\u2466"}, {"id": "ref-for-fencedframeconfig\u2467"}, {"id": "ref-for-fencedframeconfig\u2468"}], "title": "1.4. The Fence interface"}, {"refs": [{"id": "ref-for-fencedframeconfig\u2460\u24ea"}, {"id": "ref-for-fencedframeconfig\u2460\u2460"}, {"id": "ref-for-fencedframeconfig\u2460\u2461"}], "title": "3.3. Permissions Policies"}], "external": false};
 window.dfnpanelData['dom-fencedframeconfig-url'] = {"dfnID": "dom-fencedframeconfig-url", "url": "#dom-fencedframeconfig-url", "dfnText": "url", "refSections": [{"refs": [{"id": "ref-for-dom-fencedframeconfig-url"}], "title": "1.3.4. The FencedFrameConfig interface"}], "external": false};
 window.dfnpanelData['dom-fencedframeconfig-containerwidth'] = {"dfnID": "dom-fencedframeconfig-containerwidth", "url": "#dom-fencedframeconfig-containerwidth", "dfnText": "containerWidth", "refSections": [{"refs": [{"id": "ref-for-dom-fencedframeconfig-containerwidth"}], "title": "1.3.4. The FencedFrameConfig interface"}], "external": false};
 window.dfnpanelData['dom-fencedframeconfig-containerheight'] = {"dfnID": "dom-fencedframeconfig-containerheight", "url": "#dom-fencedframeconfig-containerheight", "dfnText": "containerHeight", "refSections": [{"refs": [{"id": "ref-for-dom-fencedframeconfig-containerheight"}], "title": "1.3.4. The FencedFrameConfig interface"}], "external": false};
 window.dfnpanelData['dom-fencedframeconfig-contentwidth'] = {"dfnID": "dom-fencedframeconfig-contentwidth", "url": "#dom-fencedframeconfig-contentwidth", "dfnText": "contentWidth", "refSections": [{"refs": [{"id": "ref-for-dom-fencedframeconfig-contentwidth"}], "title": "1.3.4. The FencedFrameConfig interface"}], "external": false};
 window.dfnpanelData['dom-fencedframeconfig-contentheight'] = {"dfnID": "dom-fencedframeconfig-contentheight", "url": "#dom-fencedframeconfig-contentheight", "dfnText": "contentHeight", "refSections": [{"refs": [{"id": "ref-for-dom-fencedframeconfig-contentheight"}], "title": "1.3.4. The FencedFrameConfig interface"}], "external": false};
 window.dfnpanelData['fencedframeconfig-urn'] = {"dfnID": "fencedframeconfig-urn", "url": "#fencedframeconfig-urn", "dfnText": "urn", "refSections": [{"refs": [{"id": "ref-for-fencedframeconfig-urn"}], "title": "1.4. The Fence interface"}], "external": false};
-window.dfnpanelData['fencedframeconfig-config'] = {"dfnID": "fencedframeconfig-config", "url": "#fencedframeconfig-config", "dfnText": "config", "refSections": [{"refs": [{"id": "ref-for-fencedframeconfig-config"}], "title": "1. The fencedframe element"}, {"refs": [{"id": "ref-for-fencedframeconfig-config\u2460"}, {"id": "ref-for-fencedframeconfig-config\u2461"}, {"id": "ref-for-fencedframeconfig-config\u2462"}, {"id": "ref-for-fencedframeconfig-config\u2463"}, {"id": "ref-for-fencedframeconfig-config\u2464"}, {"id": "ref-for-fencedframeconfig-config\u2465"}, {"id": "ref-for-fencedframeconfig-config\u2466"}, {"id": "ref-for-fencedframeconfig-config\u2467"}, {"id": "ref-for-fencedframeconfig-config\u2468"}, {"id": "ref-for-fencedframeconfig-config\u2460\u24ea"}], "title": "1.3.4. The FencedFrameConfig interface"}, {"refs": [{"id": "ref-for-fencedframeconfig-config\u2460\u2460"}], "title": "1.4. The Fence interface"}], "external": false};
+window.dfnpanelData['fencedframeconfig-config'] = {"dfnID": "fencedframeconfig-config", "url": "#fencedframeconfig-config", "dfnText": "config", "refSections": [{"refs": [{"id": "ref-for-fencedframeconfig-config"}], "title": "1. The fencedframe element"}, {"refs": [{"id": "ref-for-fencedframeconfig-config\u2460"}, {"id": "ref-for-fencedframeconfig-config\u2461"}, {"id": "ref-for-fencedframeconfig-config\u2462"}, {"id": "ref-for-fencedframeconfig-config\u2463"}, {"id": "ref-for-fencedframeconfig-config\u2464"}, {"id": "ref-for-fencedframeconfig-config\u2465"}, {"id": "ref-for-fencedframeconfig-config\u2466"}, {"id": "ref-for-fencedframeconfig-config\u2467"}, {"id": "ref-for-fencedframeconfig-config\u2468"}, {"id": "ref-for-fencedframeconfig-config\u2460\u24ea"}], "title": "1.3.4. The FencedFrameConfig interface"}, {"refs": [{"id": "ref-for-fencedframeconfig-config\u2460\u2460"}], "title": "1.4. The Fence interface"}, {"refs": [{"id": "ref-for-fencedframeconfig-config\u2460\u2461"}, {"id": "ref-for-fencedframeconfig-config\u2460\u2462"}], "title": "3.3. Permissions Policies"}], "external": false};
 window.dfnpanelData['dom-fencedframeconfig-setsharedstoragecontext'] = {"dfnID": "dom-fencedframeconfig-setsharedstoragecontext", "url": "#dom-fencedframeconfig-setsharedstoragecontext", "dfnText": "setSharedStorageContext(contextString)", "refSections": [{"refs": [{"id": "ref-for-dom-fencedframeconfig-setsharedstoragecontext"}], "title": "1.3.4. The FencedFrameConfig interface"}], "external": false};
 window.dfnpanelData['enumdef-fencereportingdestination'] = {"dfnID": "enumdef-fencereportingdestination", "url": "#enumdef-fencereportingdestination", "dfnText": "FenceReportingDestination", "refSections": [{"refs": [{"id": "ref-for-enumdef-fencereportingdestination"}], "title": "1.4. The Fence interface"}], "external": false};
 window.dfnpanelData['dictdef-fenceevent'] = {"dfnID": "dictdef-fenceevent", "url": "#dictdef-fenceevent", "dfnText": "FenceEvent", "refSections": [{"refs": [{"id": "ref-for-dictdef-fenceevent"}, {"id": "ref-for-dictdef-fenceevent\u2460"}, {"id": "ref-for-dictdef-fenceevent\u2461"}], "title": "1.4. The Fence interface"}], "external": false};
@@ -3249,8 +3498,8 @@ <h2 class="no-num no-ref heading settled" id="issues-index"><span class="content
 window.dfnpanelData['traversable-navigable-unfenced-parent'] = {"dfnID": "traversable-navigable-unfenced-parent", "url": "#traversable-navigable-unfenced-parent", "dfnText": "unfenced parent", "refSections": [{"refs": [{"id": "ref-for-traversable-navigable-unfenced-parent"}, {"id": "ref-for-traversable-navigable-unfenced-parent\u2460"}], "title": "2.3.1. Introduction"}, {"refs": [{"id": "ref-for-traversable-navigable-unfenced-parent\u2461"}, {"id": "ref-for-traversable-navigable-unfenced-parent\u2462"}, {"id": "ref-for-traversable-navigable-unfenced-parent\u2463"}], "title": "2.3.2. Traversable navigables"}, {"refs": [{"id": "ref-for-traversable-navigable-unfenced-parent\u2464"}, {"id": "ref-for-traversable-navigable-unfenced-parent\u2465"}], "title": "2.3.3. Nested traversables"}, {"refs": [{"id": "ref-for-traversable-navigable-unfenced-parent\u2466"}, {"id": "ref-for-traversable-navigable-unfenced-parent\u2467"}, {"id": "ref-for-traversable-navigable-unfenced-parent\u2468"}, {"id": "ref-for-traversable-navigable-unfenced-parent\u2460\u24ea"}, {"id": "ref-for-traversable-navigable-unfenced-parent\u2460\u2460"}], "title": "2.3.4. Top-level traversables"}, {"refs": [{"id": "ref-for-traversable-navigable-unfenced-parent\u2460\u2461"}, {"id": "ref-for-traversable-navigable-unfenced-parent\u2460\u2462"}, {"id": "ref-for-traversable-navigable-unfenced-parent\u2460\u2463"}], "title": "2.5. Modifications to the focusing algorithms"}, {"refs": [{"id": "ref-for-traversable-navigable-unfenced-parent\u2460\u2464"}], "title": "2.6.2. COOP, COEP, and cross-origin isolation"}], "external": false};
 window.dfnpanelData['navigable-unfenced-parent'] = {"dfnID": "navigable-unfenced-parent", "url": "#navigable-unfenced-parent", "dfnText": "unfenced parent", "refSections": [{"refs": [{"id": "ref-for-navigable-unfenced-parent"}], "title": "2.3.2. Traversable navigables"}, {"refs": [{"id": "ref-for-navigable-unfenced-parent\u2460"}], "title": "2.6.2. COOP, COEP, and cross-origin isolation"}], "external": false};
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