diff --git a/index.html b/index.html
index c77fd8e..e39699a 100644
--- a/index.html
+++ b/index.html
@@ -1,6 +1,6 @@
 <!DOCTYPE html><html lang="en" dir="ltr"><head>
 <meta charset="utf-8">
-<meta name="generator" content="ReSpec 30.0.4">
+<meta name="generator" content="ReSpec 30.0.5">
 <meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no">
 <style>
 span.example-title{text-transform:none}
@@ -239,8 +239,8 @@
       "id": "powerful-feature-registry"
     }
   },
-  "publishISODate": "2022-02-10T00:00:00.000Z",
-  "generatedSubtitle": "W3C Editor's Draft 10 February 2022"
+  "publishISODate": "2022-02-14T00:00:00.000Z",
+  "generatedSubtitle": "W3C Editor's Draft 14 February 2022"
 }</script>
 <link rel="stylesheet" href="https://www.w3.org/StyleSheets/TR/2021/W3C-ED"></head>
   <body class="h-entry" data-cite="WEBIDL HTML INFRA URL WEBIDL DOM FETCH"><div class="head">
@@ -249,7 +249,7 @@
     <h2 id="subtitle" class="subtitle">
       Interacting with Permissions for Powerful Features
     </h2>
-    <p id="w3c-state"><a href="https://www.w3.org/standards/types#ED">W3C Editor's Draft</a> <time class="dt-published" datetime="2022-02-10">10 February 2022</time></p>
+    <p id="w3c-state"><a href="https://www.w3.org/standards/types#ED">W3C Editor's Draft</a> <time class="dt-published" datetime="2022-02-14">14 February 2022</time></p>
     <details open="">
       <summary>More details about this document</summary>
       <dl>
@@ -368,9 +368,7 @@ <h2 id="subtitle" class="subtitle">
           Permissions
         </a></li><li class="tocline"><a class="tocxref" href="#powerful-features"><bdi class="secno">2.2 </bdi>
           Powerful features
-        </a><ol class="toc"><li class="tocline"><a class="tocxref" href="#specifying-a-powerful-feature"><bdi class="secno">2.2.1 </bdi>
-            Specifying a powerful feature
-          </a></li><li class="tocline"><a class="tocxref" href="#aspects"><bdi class="secno">2.2.2 </bdi>
+        </a><ol class="toc"><li class="tocline"><a class="tocxref" href="#aspects"><bdi class="secno">2.2.1 </bdi>
             Aspects
           </a></li></ol></li><li class="tocline"><a class="tocxref" href="#reading-current-states"><bdi class="secno">2.3 </bdi>
           Reading the current permission state
@@ -380,31 +378,33 @@ <h2 id="subtitle" class="subtitle">
           Prompt the user to choose
         </a></li><li class="tocline"><a class="tocxref" href="#reacting-to-revocation"><bdi class="secno">2.6 </bdi>
           Reacting to users revoking permission
-        </a></li></ol></li><li class="tocline"><a class="tocxref" href="#permissions-api"><bdi class="secno">3. </bdi>
+        </a></li></ol></li><li class="tocline"><a class="tocxref" href="#specifying-a-powerful-feature"><bdi class="secno">3. </bdi>
+        Specifying a powerful feature
+      </a></li><li class="tocline"><a class="tocxref" href="#permissions-api"><bdi class="secno">4. </bdi>
         Permissions API
-      </a><ol class="toc"><li class="tocline"><a class="tocxref" href="#navigator-and-workernavigator-extension"><bdi class="secno">3.1 </bdi>
+      </a><ol class="toc"><li class="tocline"><a class="tocxref" href="#navigator-and-workernavigator-extension"><bdi class="secno">4.1 </bdi>
           Extensions to the <code>Navigator</code> and <code>WorkerNavigator</code> interfaces
-        </a></li><li class="tocline"><a class="tocxref" href="#permissions-interface"><bdi class="secno">3.2 </bdi>
+        </a></li><li class="tocline"><a class="tocxref" href="#permissions-interface"><bdi class="secno">4.2 </bdi>
           <code>Permissions</code> interface
-        </a><ol class="toc"><li class="tocline"><a class="tocxref" href="#query-method"><bdi class="secno">3.2.1 </bdi>
+        </a><ol class="toc"><li class="tocline"><a class="tocxref" href="#query-method"><bdi class="secno">4.2.1 </bdi>
             <code>query()</code> method
-          </a></li></ol></li><li class="tocline"><a class="tocxref" href="#permissionstatus-interface"><bdi class="secno">3.3 </bdi>
+          </a></li></ol></li><li class="tocline"><a class="tocxref" href="#permissionstatus-interface"><bdi class="secno">4.3 </bdi>
           <code>PermissionStatus</code> interface
-        </a><ol class="toc"><li class="tocline"><a class="tocxref" href="#creating-instances"><bdi class="secno">3.3.1 </bdi>
+        </a><ol class="toc"><li class="tocline"><a class="tocxref" href="#creating-instances"><bdi class="secno">4.3.1 </bdi>
             Creating instances
-          </a></li><li class="tocline"><a class="tocxref" href="#name-attribute"><bdi class="secno">3.3.2 </bdi>
+          </a></li><li class="tocline"><a class="tocxref" href="#name-attribute"><bdi class="secno">4.3.2 </bdi>
             <code>name</code> attribute
-          </a></li><li class="tocline"><a class="tocxref" href="#state-attribute"><bdi class="secno">3.3.3 </bdi>
+          </a></li><li class="tocline"><a class="tocxref" href="#state-attribute"><bdi class="secno">4.3.3 </bdi>
             <code>state</code> attribute
-          </a></li><li class="tocline"><a class="tocxref" href="#onchange-attribute"><bdi class="secno">3.3.4 </bdi>
+          </a></li><li class="tocline"><a class="tocxref" href="#onchange-attribute"><bdi class="secno">4.3.4 </bdi>
             <code>onchange</code> attribute
-          </a></li><li class="tocline"><a class="tocxref" href="#permissionstatus-gc"><bdi class="secno">3.3.5 </bdi>
+          </a></li><li class="tocline"><a class="tocxref" href="#permissionstatus-gc"><bdi class="secno">4.3.5 </bdi>
             Garbage collection
-          </a></li></ol></li></ol></li><li class="tocline"><a class="tocxref" href="#powerful-features-registry"><bdi class="secno">4. </bdi>
+          </a></li></ol></li></ol></li><li class="tocline"><a class="tocxref" href="#powerful-features-registry"><bdi class="secno">5. </bdi>
         Powerful features registry
-      </a><ol class="toc"><li class="tocline"><a class="tocxref" href="#screen-wake-lock"><bdi class="secno">4.1 </bdi>
+      </a><ol class="toc"><li class="tocline"><a class="tocxref" href="#screen-wake-lock"><bdi class="secno">5.1 </bdi>
           Screen wake lock
-        </a></li></ol></li><li class="tocline"><a class="tocxref" href="#conformance"><bdi class="secno">5. </bdi>Conformance</a></li><li class="tocline"><a class="tocxref" href="#relationship-to-permissions-policy"><bdi class="secno">A. </bdi>
+        </a></li></ol></li><li class="tocline"><a class="tocxref" href="#conformance"><bdi class="secno">6. </bdi>Conformance</a></li><li class="tocline"><a class="tocxref" href="#relationship-to-permissions-policy"><bdi class="secno">A. </bdi>
         Relationship to the Permissions Policy specification
       </a></li><li class="tocline"><a class="tocxref" href="#automation"><bdi class="secno">B. </bdi>
         Automated testing
@@ -594,221 +594,24 @@ <h2 id="subtitle" class="subtitle">
           operations defined in this section to retrieve the UA's notion of what permissions are
           granted or denied, and to ask the user to grant or deny more permissions.
         </p>
-        <section id="specifying-a-powerful-feature"><div class="header-wrapper"><h4 id="x2-2-1-specifying-a-powerful-feature"><bdi class="secno">2.2.1 </bdi>
-            Specifying a powerful feature
-          </h4><a class="self-link" href="#specifying-a-powerful-feature" aria-label="Permalink for Section 2.2.1"></a></div>
-          
-          <div class="note" role="note" id="issue-container-generatedID-1"><div role="heading" class="note-title marker" id="h-note-1" aria-level="5"><span>Note</span></div><p class="">
-            Specifications wanting to add a new <a data-link-type="dfn" href="#dfn-powerful-feature" class="internalDFN" id="ref-for-dfn-powerful-feature-11">powerful feature</a> are encouraged to coordinate
-            with us on this specification via GitHub.
-          </p></div>
-          <p>
-            Each <a href="#dfn-powerful-feature" class="internalDFN" data-link-type="dfn" id="ref-for-dfn-powerful-feature-12">powerful feature</a> has the following permission-related algorithms and types.
-            When the defaults are not suitable for a particular <a data-link-type="dfn" href="#dfn-powerful-feature" class="internalDFN" id="ref-for-dfn-powerful-feature-13">powerful feature</a>, a
-            specification <em class="rfc2119">MAY</em> override below algorithms and types below.
-          </p>
-          <dl>
-            <dt>
-              A <dfn data-dfn-for="powerful feature" class="export" data-export="" id="dfn-permission-descriptor-type" tabindex="0" aria-haspopup="dialog" data-dfn-type="dfn">permission descriptor
-              type</dfn>:
-            </dt>
-            <dd>
-              <p>
-                <a data-link-type="idl" data-lt="PermissionDescriptor" href="#dom-permissiondescriptor" class="internalDFN" id="ref-for-dom-permissiondescriptor-1"><code>PermissionDescriptor</code></a> or one of its subtypes. If unspecified, this defaults to
-                <a data-link-type="idl" data-lt="PermissionDescriptor" href="#dom-permissiondescriptor" class="internalDFN" id="ref-for-dom-permissiondescriptor-2"><code>PermissionDescriptor</code></a>.
-              </p>
-              <p>
-                The feature can define a <a href="https://en.wikipedia.org/wiki/Partially_ordered_set">partial order</a> on
-                descriptor instances. If <var>descriptorA</var> is <dfn class="export" data-dfn-for="PermissionDescriptor" data-export="" id="dfn-stronger-than" tabindex="0" aria-haspopup="dialog" data-dfn-type="dfn">stronger than</dfn> <var>descriptorB</var>, then if <var>descriptorA</var>'s
-                <a href="#dfn-state" class="internalDFN" data-link-type="dfn" id="ref-for-dfn-state-1">permission state</a> is "<a data-link-type="idl" href="#dom-permissionstate-granted" class="internalDFN" id="ref-for-dom-permissionstate-granted-1"><code>granted</code></a>", <var>descriptorB</var>'s
-                <a href="#dfn-state" class="internalDFN" data-link-type="dfn" id="ref-for-dfn-state-2">permission state</a> must also be "<a data-link-type="idl" href="#dom-permissionstate-granted" class="internalDFN" id="ref-for-dom-permissionstate-granted-2"><code>granted</code></a>", and if
-                <var>descriptorB</var>'s <a href="#dfn-state" class="internalDFN" data-link-type="dfn" id="ref-for-dfn-state-3">permission state</a> is "<a data-link-type="idl" href="#dom-permissionstate-denied" class="internalDFN" id="ref-for-dom-permissionstate-denied-1"><code>denied</code></a>",
-                <var>descriptorA</var>'s <a href="#dfn-state" class="internalDFN" data-link-type="dfn" id="ref-for-dfn-state-4">permission state</a> must also be "<a data-link-type="idl" href="#dom-permissionstate-denied" class="internalDFN" id="ref-for-dom-permissionstate-denied-2"><code>denied</code></a>".
-              </p>
-              <p class="example" id="example-stronger-than">
-                <code>{name: "<a data-link-type="idl" href="#dom-permissionname-midi" class="internalDFN" id="ref-for-dom-permissionname-midi-1"><code>midi</code></a>", sysex: true}</code> ("midi-with-sysex") is
-                <a data-link-type="dfn" href="#dfn-stronger-than" class="internalDFN" id="ref-for-dfn-stronger-than-1">stronger than</a> <code>{name: "<a data-link-type="idl" href="#dom-permissionname-midi" class="internalDFN" id="ref-for-dom-permissionname-midi-2"><code>midi</code></a>",
-                sysex: false}</code> ("midi-without-sysex"), so if the user denies access to
-                midi-without-sysex, the UA must also deny access to midi-with-sysex, and similarly
-                if the user grants access to midi-with-sysex, the UA must also grant access to
-                midi-without-sysex.
-              </p>
-            </dd>
-            <dt>
-              Optional <dfn data-dfn-for="powerful feature" class="export" data-export="" id="dfn-permission-state-constraints" tabindex="0" aria-haspopup="dialog" data-dfn-type="dfn">permission state
-              constraints</dfn>:
-            </dt>
-            <dd>
-              Constraints on the values that the UA can return as a descriptor's <a href="#dfn-state" class="internalDFN" data-link-type="dfn" id="ref-for-dfn-state-5">permission
-              state</a>. Defaults to no constraints beyond the user's intent.
-            </dd>
-            <dt>
-              An optional <dfn data-dfn-for="powerful feature" class="export" data-export="" id="dfn-extra-permission-data-type" tabindex="0" aria-haspopup="dialog" data-dfn-type="dfn">extra permission data
-              type</dfn>:
-            </dt>
-            <dd>
-              <p data-cite="mediacapture-streams">
-                Some <a href="#dfn-powerful-feature" class="internalDFN" data-link-type="dfn" id="ref-for-dfn-powerful-feature-14">powerful features</a> have more information associated with them than just
-                a <a data-link-type="idl" data-lt="PermissionState" href="#dom-permissionstate" class="internalDFN" id="ref-for-dom-permissionstate-1"><code>PermissionState</code></a>. For example, <a data-link-type="idl" data-lt="getUserMedia()" data-type="method" href="https://www.w3.org/TR/mediacapture-streams/#dom-mediadevices-getusermedia"><code>getUserMedia</code></a><code>()</code> needs to
-                determine <em>which</em> cameras the user has granted the <a href="https://tc39.es/ecma262/multipage/#current-realm">current realm</a> permission to access. Each of these
-                features defines an <a data-link-type="dfn" href="#dfn-extra-permission-data-type" class="internalDFN" id="ref-for-dfn-extra-permission-data-type-1">extra permission data type</a>. If a
-                <a data-link-type="idl" data-lt="PermissionName" href="#dom-permissionname" class="internalDFN" id="ref-for-dom-permissionname-1"><code>PermissionName</code></a> <var>name</var> names one of these features, then <var>name</var>'s
-                <dfn data-dfn-for="powerful feature" class="export" data-export="" id="dfn-extra-permission-data" tabindex="0" aria-haspopup="dialog" data-dfn-type="dfn">extra permission data</dfn> for
-                an optional <a data-type="dfn" href="https://html.spec.whatwg.org/multipage/webappapis.html#environment-settings-object">environment settings object</a> <var>settings</var> is the result of the
-                following algorithm:
-              </p>
-              <ol class="algorithm">
-                <li>If <var>settings</var> wasn't passed, set it to the <a data-link-type="dfn" data-type="dfn" href="https://html.spec.whatwg.org/multipage/webappapis.html#current-settings-object">current settings object</a>.
-                </li>
-                <li>If there was a previous invocation of this algorithm with the same <var>name</var> and
-                <var>settings</var>, returning <var>previousResult</var>, and the UA has not received <a href="#dfn-new-information-about-the-user-s-intent" class="internalDFN" data-link-type="dfn" id="ref-for-dfn-new-information-about-the-user-s-intent-1">new
-                information about the user's intent</a> since that invocation, return
-                <var>previousResult</var>.
-                </li>
-                <li>Return the instance of <var>name</var>'s <a data-link-type="dfn" href="#dfn-extra-permission-data-type" class="internalDFN" id="ref-for-dfn-extra-permission-data-type-2">extra permission data type</a>
-                that matches the UA's impression of the user's intent, taking into account any
-                <a data-link-type="dfn" href="#dfn-extra-permission-data-constraints" class="internalDFN" id="ref-for-dfn-extra-permission-data-constraints-1">extra permission data constraints</a> for <var>name</var>.
-                </li>
-              </ol>
-              <p>
-                If specified, the <a data-link-type="dfn" href="#dfn-extra-permission-data" class="internalDFN" id="ref-for-dfn-extra-permission-data-1">extra permission data</a> algorithm is usable
-                for this feature.
-              </p>
-            </dd>
-            <dt>
-              Optional <dfn data-dfn-for="powerful feature" class="export" data-export="" id="dfn-extra-permission-data-constraints" tabindex="0" aria-haspopup="dialog" data-dfn-type="dfn">extra permission data
-              constraints</dfn>:
-            </dt>
-            <dd>
-              Constraints on the values that the UA can return as a <a data-link-type="idl" data-lt="PermissionName" href="#dom-permissionname" class="internalDFN" id="ref-for-dom-permissionname-2"><code>PermissionName</code></a>'s <a data-link-type="dfn" href="#dfn-extra-permission-data" class="internalDFN" id="ref-for-dfn-extra-permission-data-2">extra permission data</a>. Defaults to no constraints beyond the user's intent.
-            </dd>
-            <dt>
-              A <dfn data-dfn-for="powerful feature" class="export" data-export="" id="dfn-permission-result-type" tabindex="0" aria-haspopup="dialog" data-dfn-type="dfn">permission result type</dfn>:
-            </dt>
-            <dd>
-              <a data-link-type="idl" data-lt="PermissionStatus" href="#dom-permissionstatus" class="internalDFN" id="ref-for-dom-permissionstatus-1"><code>PermissionStatus</code></a> or one of its subtypes. If unspecified, this defaults to
-              <a data-link-type="idl" data-lt="PermissionStatus" href="#dom-permissionstatus" class="internalDFN" id="ref-for-dom-permissionstatus-2"><code>PermissionStatus</code></a>.
-            </dd>
-            <dt>
-              A <dfn data-dfn-for="powerful feature" class="export" data-export="" id="dfn-permission-query-algorithm" tabindex="0" aria-haspopup="dialog" data-dfn-type="dfn">permission query
-              algorithm</dfn>:
-            </dt>
-            <dd>
-              <p>
-                Takes an instance of the <a data-link-type="dfn" href="#dfn-permission-descriptor-type" class="internalDFN" id="ref-for-dfn-permission-descriptor-type-1">permission descriptor type</a> and a new
-                or existing instance of the <a data-link-type="dfn" href="#dfn-permission-result-type" class="internalDFN" id="ref-for-dfn-permission-result-type-1">permission result type</a>, and
-                updates the <a data-link-type="dfn" href="#dfn-permission-result-type" class="internalDFN" id="ref-for-dfn-permission-result-type-2">permission result type</a> instance with the query
-                result. Used by <a data-link-type="idl" data-lt="Permissions" href="#dom-permissions" class="internalDFN" id="ref-for-dom-permissions-1"><code>Permissions</code></a>' <a data-link-type="idl" data-lt="query(permissionDesc)" href="#dom-permissions-query" class="internalDFN" id="ref-for-dom-permissions-query-1"><code>query</code></a><code>(<var>permissionDesc</var>)</code> method and
-                the <a data-link-type="dfn" href="#dfn-permissionstatus-update-steps" class="internalDFN" id="ref-for-dfn-permissionstatus-update-steps-1"><code>PermissionStatus</code> update steps</a>. If unspecified, this defaults to the
-                <a href="#dfn-default-permission-query-algorithm" class="internalDFN" data-link-type="dfn" id="ref-for-dfn-default-permission-query-algorithm-1">default permission query algorithm</a>.
-              </p>
-              <p>
-                The <dfn id="dfn-default-permission-query-algorithm" tabindex="0" aria-haspopup="dialog" data-dfn-type="dfn">default permission query algorithm</dfn>, given a <a data-link-type="idl" data-lt="PermissionDescriptor" href="#dom-permissiondescriptor" class="internalDFN" id="ref-for-dom-permissiondescriptor-3"><code>PermissionDescriptor</code></a>
-                <var>permissionDesc</var> and a <a data-link-type="idl" data-lt="PermissionStatus" href="#dom-permissionstatus" class="internalDFN" id="ref-for-dom-permissionstatus-3"><code>PermissionStatus</code></a> <var>status</var>, runs the following
-                steps:
-              </p>
-              <ol class="algorithm">
-                <li>Set <code><var>status</var>.state</code> to <var>permissionDesc</var>'s <a href="#dfn-state" class="internalDFN" data-link-type="dfn" id="ref-for-dfn-state-6">permission state</a>.
-                </li>
-              </ol>
-            </dd>
-            <dt>
-              A <dfn data-dfn-for="powerful feature" class="export" data-export="" id="dfn-permission-revocation-algorithm" tabindex="0" aria-haspopup="dialog" data-dfn-type="dfn">permission revocation
-              algorithm</dfn>:
-            </dt>
-            <dd>
-              <p>
-                Takes no arguments. Updates any other parts of the implementation that need to be
-                kept in sync with changes in the results of <a href="#dfn-state" class="internalDFN" data-link-type="dfn" id="ref-for-dfn-state-7">permission states</a> or <a data-link-type="dfn" href="#dfn-extra-permission-data" class="internalDFN" id="ref-for-dfn-extra-permission-data-3">extra permission data</a>, and then <a data-link-type="dfn" href="#dfn-react-to-the-user-revoking-permission" class="internalDFN" id="ref-for-dfn-react-to-the-user-revoking-permission-1">react to the user revoking permission</a>.
-              </p>
-              <p>
-                If unspecified, this defaults to running <a data-link-type="dfn" href="#dfn-react-to-the-user-revoking-permission" class="internalDFN" id="ref-for-dfn-react-to-the-user-revoking-permission-2">react to the user revoking permission</a>.
-              </p>
-            </dd>
-            <dt>
-              A permission <a data-link-type="dfn" href="#dfn-lifetime" class="internalDFN" id="ref-for-dfn-lifetime-3">lifetime</a>:
-            </dt>
-            <dd>
-              <p>
-                Specifications that define one or more <a data-link-type="dfn" href="#dfn-powerful-feature" class="internalDFN" id="ref-for-dfn-powerful-feature-15">powerful features</a> <em class="rfc2119">SHOULD</em> suggest a
-                <a data-link-type="dfn" href="#dfn-permission" class="internalDFN" id="ref-for-dfn-permission-6">permission</a> <a data-link-type="dfn" href="#dfn-lifetime" class="internalDFN" id="ref-for-dfn-lifetime-4">lifetime</a> that is best suited for the particular
-                feature. Some guidance on determining the lifetime of a permission is noted below,
-                with a strong emphasis on user privacy. If no <a data-link-type="dfn" href="#dfn-lifetime" class="internalDFN" id="ref-for-dfn-lifetime-5">lifetime</a> is specified,
-                the user agent provides one.
-              </p>
-              <p>
-                When the permission <a data-link-type="dfn" href="#dfn-lifetime" class="internalDFN" id="ref-for-dfn-lifetime-6">lifetime</a> expires for an origin:
-              </p>
-              <ol>
-                <li>Set the permission back to its <a data-link-type="dfn" href="#dfn-default-state" class="internalDFN" id="ref-for-dfn-default-state-2">default state</a>.
-                </li>
-                <li>For each <var>browsing context</var> associated with the origin (if any), <a data-link-type="dfn" data-type="dfn" href="https://html.spec.whatwg.org/multipage/webappapis.html#queue-a-global-task">queue a global task</a> on the <a data-link-type="dfn" href="#dfn-permissions-task-source" class="internalDFN" id="ref-for-dfn-permissions-task-source-1">permissions task source</a> with the <var>browsing context</var>'s
-                <a data-link-type="dfn" data-type="dfn" href="https://html.spec.whatwg.org/multipage/webappapis.html#global-object">global object</a> to run the <a data-link-type="dfn" href="#dfn-permission-revocation-algorithm" class="internalDFN" id="ref-for-dfn-permission-revocation-algorithm-1">permission revocation algorithm</a>.
-                </li>
-              </ol>
-              <div class="note" role="note" id="issue-container-generatedID-2"><div role="heading" class="note-title marker" id="h-note-2" aria-level="5"><span>Note</span><span class="issue-label">: Determining the lifetime of a permission</span></div><aside class="">
-                <p>
-                  For particularly privacy-sensitive <a data-link-type="dfn" href="#dfn-powerful-feature" class="internalDFN" id="ref-for-dfn-powerful-feature-16">features</a>, such as <cite><a data-matched-text="[[[GETUSERMEDIA]]]" href="https://www.w3.org/TR/mediacapture-streams/">Media Capture and Streams</a></cite>,
-                  which can provide a web application access to a user's camera and microphone,
-                  some user agents expire a permission <a data-link-type="dfn" href="#dfn-granted" class="internalDFN" id="ref-for-dfn-granted-5">grant</a> as soon as a browser
-                  tab is closed or navigated. For other features, like the <cite><a data-matched-text="[[[Geolocation]]]" href="https://www.w3.org/TR/geolocation/">Geolocation API</a></cite>, user
-                  agents are known to offer a choice of only granting the permission for the
-                  session, or for one day. Others, like the <cite><a data-matched-text="[[[Notifications]]]" href="https://notifications.spec.whatwg.org/">Notifications API Standard</a></cite> and <cite><a data-matched-text="[[[push-api]]]" href="https://www.w3.org/TR/push-api/">Push API</a></cite>
-                  APIs, remember a user's decision indefinitely or until the user manually revokes
-                  the permission. Note that permission <a data-link-type="dfn" href="#dfn-lifetime" class="internalDFN" id="ref-for-dfn-lifetime-7">lifetimes</a> can vary
-                  significantly between user agents.
-                </p>
-                <p>
-                  Finding the right balance for the lifetime of a permission requires a lot of
-                  thought and experimentation, and often evolves over a period of years.
-                  Implementers are encouraged to work with their UX security teams to find the
-                  right balance between ease of access to a <a data-link-type="dfn" href="#dfn-powerful-feature" class="internalDFN" id="ref-for-dfn-powerful-feature-17">powerful feature</a> (i.e., reducing
-                  the number of permission prompts), respecting a user's privacy, and making users
-                  aware when a web application is making use of a particular powerful feature
-                  (e.g., via some visual or auditory UI indicator).
-                </p>
-                <p>
-                  If you are unsure about what <a data-link-type="dfn" href="#dfn-lifetime" class="internalDFN" id="ref-for-dfn-lifetime-8">lifetime</a> to suggest for a <a data-link-type="dfn" href="#dfn-powerful-feature" class="internalDFN" id="ref-for-dfn-powerful-feature-18">powerful feature</a>, please contact the <a href="https://www.w3.org/Privacy/IG/">Privacy
-                  Interest Group</a> for guidance.
-                </p>
-              </aside></div>
-            </dd>
-            <dt>
-              <dfn class="export" data-dfn-for="powerful feature" data-export="" id="dfn-default-permission-state" tabindex="0" aria-haspopup="dialog" data-dfn-type="dfn">Default permission state</dfn>:
-            </dt>
-            <dd>
-              <p>
-                A <a data-link-type="idl" data-lt="PermissionState" href="#dom-permissionstate" class="internalDFN" id="ref-for-dom-permissionstate-2"><code>PermissionState</code></a> value that serves as a <a data-link-type="dfn" href="#dfn-permission" class="internalDFN" id="ref-for-dfn-permission-7">permission</a>'s <a data-link-type="dfn" href="#dfn-default-state" class="internalDFN" id="ref-for-dfn-default-state-3">default state</a> of a <a data-link-type="dfn" href="#dfn-powerful-feature" class="internalDFN" id="ref-for-dfn-powerful-feature-19">powerful feature</a>.
-              </p>
-              <p>
-                If not specified, the <a data-link-type="dfn" href="#dfn-permission" class="internalDFN" id="ref-for-dfn-permission-8">permission</a>'s <a data-link-type="dfn" href="#dfn-default-state" class="internalDFN" id="ref-for-dfn-default-state-4">default state</a> is
-                "<a data-link-type="idl" href="#dom-permissionstate-prompt" class="internalDFN" id="ref-for-dom-permissionstate-prompt-1"><code>prompt</code></a>".
-              </p>
-            </dd>
-          </dl>
-          <p>
-            A <dfn class="export" data-export="" id="dfn-default-powerful-feature" tabindex="0" aria-haspopup="dialog" data-dfn-type="dfn">default powerful feature</dfn> is a <a href="#dfn-powerful-feature" class="internalDFN" data-link-type="dfn" id="ref-for-dfn-powerful-feature-20">powerful feature</a> with
-            all of the above types and algorithms defaulted.
-          </p>
-        </section>
-        <section id="aspects"><div class="header-wrapper"><h4 id="x2-2-2-aspects"><bdi class="secno">2.2.2 </bdi>
+        <section id="aspects"><div class="header-wrapper"><h4 id="x2-2-1-aspects"><bdi class="secno">2.2.1 </bdi>
             Aspects
-          </h4><a class="self-link" href="#aspects" aria-label="Permalink for Section 2.2.2"></a></div>
+          </h4><a class="self-link" href="#aspects" aria-label="Permalink for Section 2.2.1"></a></div>
           
           <p>
-            Each <a href="#dfn-powerful-feature" class="internalDFN" data-link-type="dfn" id="ref-for-dfn-powerful-feature-21">powerful feature</a> can define zero or more additional <dfn data-dfn-for="powerful feature" data-plurals="aspect" id="dfn-aspects" tabindex="0" aria-haspopup="dialog" data-dfn-type="dfn">aspects</dfn> that websites can request permission to access.
+            Each <a href="#dfn-powerful-feature" class="internalDFN" data-link-type="dfn" id="ref-for-dfn-powerful-feature-11">powerful feature</a> can define zero or more additional <dfn data-dfn-for="powerful feature" data-plurals="aspect" id="dfn-aspects" tabindex="0" aria-haspopup="dialog" data-dfn-type="dfn">aspects</dfn> that websites can request permission to access.
           </p>
           <p>
             To describe an <a data-link-type="dfn" href="#dfn-aspects" class="internalDFN" id="ref-for-dfn-aspects-1">aspect</a>, a specification <em class="rfc2119">MUST</em> define a WebIDL
-            <a data-link-type="dfn" data-type="dfn" href="https://webidl.spec.whatwg.org/#dfn-dictionary">dictionary</a> that <a data-link-type="dfn" data-type="dfn" href="https://webidl.spec.whatwg.org/#dfn-inherit-dictionary">inherits</a> from <a data-link-type="idl" data-lt="PermissionDescriptor" href="#dom-permissiondescriptor" class="internalDFN" id="ref-for-dom-permissiondescriptor-4"><code>PermissionDescriptor</code></a>, and have
-            that interface be its <a data-link-type="dfn" href="#dfn-permission-descriptor-type" class="internalDFN" id="ref-for-dfn-permission-descriptor-type-2">permission descriptor type</a>.
+            <a data-link-type="dfn" data-type="dfn" href="https://webidl.spec.whatwg.org/#dfn-dictionary">dictionary</a> that <a data-link-type="dfn" data-type="dfn" href="https://webidl.spec.whatwg.org/#dfn-inherit-dictionary">inherits</a> from <a data-link-type="idl" data-lt="PermissionDescriptor" href="#dom-permissiondescriptor" class="internalDFN" id="ref-for-dom-permissiondescriptor-1"><code>PermissionDescriptor</code></a>, and have
+            that interface be its <a data-link-type="dfn" href="#dfn-permission-descriptor-type" class="internalDFN" id="ref-for-dfn-permission-descriptor-type-1">permission descriptor type</a>.
           </p>
           <aside class="example" id="example-defining-your-own-permission-descriptor-type"><div class="marker">
     <a class="self-link" href="#example-defining-your-own-permission-descriptor-type">Example<bdi> 4</bdi></a><span class="example-title">: Defining your own permission descriptor type</span>
   </div>
             <p>
-              A hypothetical <a data-link-type="dfn" href="#dfn-powerful-feature" class="internalDFN" id="ref-for-dfn-powerful-feature-22">powerful feature</a> "food detector API" has two <a data-link-type="dfn" href="#dfn-aspects" class="internalDFN" id="ref-for-dfn-aspects-2">aspects</a> that allow sensing taste and smell. So, a specification would
-              define a new WebIDL interface that <a data-link-type="dfn" data-type="dfn" href="https://webidl.spec.whatwg.org/#dfn-inherit-dictionary">inherits</a> <a data-link-type="idl" data-lt="PermissionDescriptor" href="#dom-permissiondescriptor" class="internalDFN" id="ref-for-dom-permissiondescriptor-5"><code>PermissionDescriptor</code></a>:
+              A hypothetical <a data-link-type="dfn" href="#dfn-powerful-feature" class="internalDFN" id="ref-for-dfn-powerful-feature-12">powerful feature</a> "food detector API" has two <a data-link-type="dfn" href="#dfn-aspects" class="internalDFN" id="ref-for-dfn-aspects-2">aspects</a> that allow sensing taste and smell. So, a specification would
+              define a new WebIDL interface that <a data-link-type="dfn" data-type="dfn" href="https://webidl.spec.whatwg.org/#dfn-inherit-dictionary">inherits</a> <a data-link-type="idl" data-lt="PermissionDescriptor" href="#dom-permissiondescriptor" class="internalDFN" id="ref-for-dom-permissiondescriptor-2"><code>PermissionDescriptor</code></a>:
             </p>
             <pre aria-busy="false"><code class="hljs javascript">dictionary SensesPermissionDescriptor : PermissionDescriptor {
   boolean canSmell = <span class="hljs-literal">false</span>;
@@ -825,8 +628,8 @@ <h2 id="subtitle" class="subtitle">
 <span class="hljs-comment">// Do something interesting with the status.</span></code></pre>
             <p>
               A user can restrict the "sense" powerful feature to only "taste", in which case the
-              <a data-link-type="idl" data-lt="PermissionStatus" href="#dom-permissionstatus" class="internalDFN" id="ref-for-dom-permissionstatus-4"><code>PermissionStatus</code></a>'s <a data-link-type="idl" href="#dom-permissionstatus-state" class="internalDFN" id="ref-for-dom-permissionstatus-state-1"><code>state</code></a> above would be
-              "<a data-link-type="idl" href="#dom-permissionstate-denied" class="internalDFN" id="ref-for-dom-permissionstate-denied-3"><code>denied</code></a>" .
+              <a data-link-type="idl" data-lt="PermissionStatus" href="#dom-permissionstatus" class="internalDFN" id="ref-for-dom-permissionstatus-1"><code>PermissionStatus</code></a>'s <a data-link-type="idl" href="#dom-permissionstatus-state" class="internalDFN" id="ref-for-dom-permissionstatus-state-1"><code>state</code></a> above would be
+              "<a data-link-type="idl" href="#dom-permissionstate-denied" class="internalDFN" id="ref-for-dom-permissionstate-denied-1"><code>denied</code></a>" .
             </p>
           </aside>
         </section>
@@ -841,34 +644,34 @@ <h2 id="subtitle" class="subtitle">
           <a data-link-type="dfn" data-type="dfn" href="https://html.spec.whatwg.org/multipage/webappapis.html#environment-settings-object">environment settings object</a> <var>settings</var>:
         </p>
         <ol class="algorithm">
-          <li>Let <var data-type="PermissionDescriptor">descriptor</var> be a newly-created <a data-link-type="idl" data-lt="PermissionDescriptor" href="#dom-permissiondescriptor" class="internalDFN" id="ref-for-dom-permissiondescriptor-6"><code>PermissionDescriptor</code></a>
+          <li>Let <var data-type="PermissionDescriptor">descriptor</var> be a newly-created <a data-link-type="idl" data-lt="PermissionDescriptor" href="#dom-permissiondescriptor" class="internalDFN" id="ref-for-dom-permissiondescriptor-3"><code>PermissionDescriptor</code></a>
           whose <a data-link-type="idl" href="#dom-permissiondescriptor-name" class="internalDFN" id="ref-for-dom-permissiondescriptor-name-1"><code>name</code></a> is initialized with <var>name</var>.
           </li>
-          <li>Return the <a data-link-type="dfn" href="#dfn-state" class="internalDFN" id="ref-for-dfn-state-8">permission state</a> of <var data-type="PermissionDescriptor">descriptor</var> and <var>settings</var>.
+          <li>Return the <a data-link-type="dfn" href="#dfn-state" class="internalDFN" id="ref-for-dfn-state-1">permission state</a> of <var data-type="PermissionDescriptor">descriptor</var> and <var>settings</var>.
           </li>
         </ol>
         <p>
           A <var data-type="PermissionDescriptor">descriptor</var>'s <dfn class="export" data-local-lt="state" data-export="" data-lt="permission state|state" data-plurals="permission states" id="dfn-state" tabindex="0" aria-haspopup="dialog" data-dfn-type="dfn">permission state</dfn> for an
           optional <a data-type="dfn" href="https://html.spec.whatwg.org/multipage/webappapis.html#environment-settings-object">environment settings object</a> <var>settings</var> is the result of the following
-          algorithm, which returns one of "<a data-link-type="idl" href="#dom-permissionstate-granted" class="internalDFN" id="ref-for-dom-permissionstate-granted-3"><code>granted</code></a>",
-          "<a data-link-type="idl" href="#dom-permissionstate-prompt" class="internalDFN" id="ref-for-dom-permissionstate-prompt-2"><code>prompt</code></a>", or "<a data-link-type="idl" href="#dom-permissionstate-denied" class="internalDFN" id="ref-for-dom-permissionstate-denied-4"><code>denied</code></a>":
+          algorithm, which returns one of "<a data-link-type="idl" href="#dom-permissionstate-granted" class="internalDFN" id="ref-for-dom-permissionstate-granted-1"><code>granted</code></a>",
+          "<a data-link-type="idl" href="#dom-permissionstate-prompt" class="internalDFN" id="ref-for-dom-permissionstate-prompt-1"><code>prompt</code></a>", or "<a data-link-type="idl" href="#dom-permissionstate-denied" class="internalDFN" id="ref-for-dom-permissionstate-denied-2"><code>denied</code></a>":
         </p>
         <ol class="algorithm">
           <li>If <var>settings</var> wasn't passed, set it to the <a data-link-type="dfn" data-type="dfn" href="https://html.spec.whatwg.org/multipage/webappapis.html#current-settings-object">current settings object</a>.
           </li>
-          <li>If <var>settings</var> is a <a data-type="dfn" href="https://html.spec.whatwg.org/multipage/webappapis.html#non-secure-context">non-secure context</a>, return "<a data-link-type="idl" href="#dom-permissionstate-denied" class="internalDFN" id="ref-for-dom-permissionstate-denied-5"><code>denied</code></a>".
+          <li>If <var>settings</var> is a <a data-type="dfn" href="https://html.spec.whatwg.org/multipage/webappapis.html#non-secure-context">non-secure context</a>, return "<a data-link-type="idl" href="#dom-permissionstate-denied" class="internalDFN" id="ref-for-dom-permissionstate-denied-3"><code>denied</code></a>".
           </li>
           <li>If there exists a <a data-link-type="dfn" data-type="dfn" href="https://www.w3.org/TR/permissions-policy-1/#policy-controlled-feature">policy-controlled feature</a> identified by <var data-type="PermissionDescriptor">descriptor</var>'s
           <a data-link-type="idl" href="#dom-permissiondescriptor-name" class="internalDFN" id="ref-for-dom-permissiondescriptor-name-2"><code>name</code></a> and <var>settings</var> has an <a data-type="dfn" href="https://html.spec.whatwg.org/multipage/window-object.html#concept-document-window">associated <code>Document</code></a> named
           <var>document</var>, run the following step:
             <ol class="algorithm">
               <li>If <var>document</var> is not <a data-type="dfn" href="https://html.spec.whatwg.org/multipage/iframe-embed-object.html#allowed-to-use">allowed to use</a> the feature identified by
-              <var data-type="PermissionDescriptor">descriptor</var>'s <a data-link-type="idl" href="#dom-permissiondescriptor-name" class="internalDFN" id="ref-for-dom-permissiondescriptor-name-3"><code>name</code></a> return "<a data-link-type="idl" href="#dom-permissionstate-denied" class="internalDFN" id="ref-for-dom-permissionstate-denied-6"><code>denied</code></a>".
+              <var data-type="PermissionDescriptor">descriptor</var>'s <a data-link-type="idl" href="#dom-permissiondescriptor-name" class="internalDFN" id="ref-for-dom-permissiondescriptor-name-3"><code>name</code></a> return "<a data-link-type="idl" href="#dom-permissionstate-denied" class="internalDFN" id="ref-for-dom-permissionstate-denied-4"><code>denied</code></a>".
               </li>
             </ol>
           </li>
           <li>If there was a previous invocation of this algorithm with the same <var data-type="PermissionDescriptor">descriptor</var> and
-          <var>settings</var>, returning <var>previousResult</var>, and the UA has not received <a href="#dfn-new-information-about-the-user-s-intent" class="internalDFN" data-link-type="dfn" id="ref-for-dfn-new-information-about-the-user-s-intent-2">new information
+          <var>settings</var>, returning <var>previousResult</var>, and the UA has not received <a href="#dfn-new-information-about-the-user-s-intent" class="internalDFN" data-link-type="dfn" id="ref-for-dfn-new-information-about-the-user-s-intent-1">new information
           about the user's intent</a> since that invocation, return <var>previousResult</var>.
           </li>
           <li>Return whichever of the following options most accurately reflects the user's intent
@@ -878,27 +681,27 @@ <h2 id="subtitle" class="subtitle">
                 succeed without prompting the user
               </dt>
               <dd>
-                "<a data-link-type="idl" href="#dom-permissionstate-granted" class="internalDFN" id="ref-for-dom-permissionstate-granted-4"><code>granted</code></a>"
+                "<a data-link-type="idl" href="#dom-permissionstate-granted" class="internalDFN" id="ref-for-dom-permissionstate-granted-2"><code>granted</code></a>"
               </dd>
               <dt>
                 show the user a prompt to decide whether to succeed
               </dt>
               <dd>
-                "<a data-link-type="idl" href="#dom-permissionstate-prompt" class="internalDFN" id="ref-for-dom-permissionstate-prompt-3"><code>prompt</code></a>"
+                "<a data-link-type="idl" href="#dom-permissionstate-prompt" class="internalDFN" id="ref-for-dom-permissionstate-prompt-2"><code>prompt</code></a>"
               </dd>
               <dt>
                 fail without prompting the user
               </dt>
               <dd>
-                "<a data-link-type="idl" href="#dom-permissionstate-denied" class="internalDFN" id="ref-for-dom-permissionstate-denied-7"><code>denied</code></a>"
+                "<a data-link-type="idl" href="#dom-permissionstate-denied" class="internalDFN" id="ref-for-dom-permissionstate-denied-5"><code>denied</code></a>"
               </dd>
             </dl>
           </li>
         </ol>
         <div class="issue" id="issue-current-entry-incumbent-or-relevant"><div role="heading" class="issue-title marker" id="h-issue" aria-level="4"><a href="https://github.com/w3c/permissions/issues/278"><span class="issue-number">Issue 278</span></a><span class="issue-label">: Safari returns different results for current permission state</span></div><p dir="auto">Safari is the only known UA that returns different results from this algorithm for different settings objects with the same origin. We should test which of the <a href="https://html.spec.whatwg.org/multipage/webappapis.html#realms-settings-objects-global-objects" rel="nofollow">several possible settings objects</a> it uses.</p></div>
         <p>
-          As a shorthand, a <a data-link-type="idl" data-lt="PermissionName" href="#dom-permissionname" class="internalDFN" id="ref-for-dom-permissionname-3"><code>PermissionName</code></a> <var>name</var>'s <a href="#dfn-state" class="internalDFN" data-link-type="dfn" id="ref-for-dfn-state-9">permission state</a> is the
-          <a href="#dfn-state" class="internalDFN" data-link-type="dfn" id="ref-for-dfn-state-10">permission state</a> of a <a data-link-type="idl" data-lt="PermissionDescriptor" href="#dom-permissiondescriptor" class="internalDFN" id="ref-for-dom-permissiondescriptor-7"><code>PermissionDescriptor</code></a> with its
+          As a shorthand, a <a data-link-type="idl" data-lt="PermissionName" href="#dom-permissionname" class="internalDFN" id="ref-for-dom-permissionname-1"><code>PermissionName</code></a> <var>name</var>'s <a href="#dfn-state" class="internalDFN" data-link-type="dfn" id="ref-for-dfn-state-2">permission state</a> is the
+          <a href="#dfn-state" class="internalDFN" data-link-type="dfn" id="ref-for-dfn-state-3">permission state</a> of a <a data-link-type="idl" data-lt="PermissionDescriptor" href="#dom-permissiondescriptor" class="internalDFN" id="ref-for-dom-permissiondescriptor-4"><code>PermissionDescriptor</code></a> with its
           <a data-link-type="idl" href="#dom-permissiondescriptor-name" class="internalDFN" id="ref-for-dom-permissiondescriptor-name-5"><code>name</code></a> member set to <var>name</var>.
         </p>
       </section>
@@ -906,37 +709,37 @@ <h2 id="subtitle" class="subtitle">
           Requesting permission to use a powerful feature
         </h3><a class="self-link" href="#requesting-more-permission" aria-label="Permalink for Section 2.4"></a></div>
         
-        <div class="note" role="note" id="issue-container-generatedID-3"><div role="heading" class="note-title marker" id="h-note-3" aria-level="4"><span>Note</span></div><p class="">
+        <div class="note" role="note" id="issue-container-generatedID-1"><div role="heading" class="note-title marker" id="h-note-1" aria-level="4"><span>Note</span></div><p class="">
           Spec authors, please note that algorithms in this section can wait for user input; so
           they shouldn't be used from other algorithms running on the main thread.
         </p></div>
         <p>
           To <dfn data-lt="request permission to use|requesting permission to use" class="export" data-export="" id="dfn-request-permission-to-use" tabindex="0" aria-haspopup="dialog" data-dfn-type="dfn">request permission to use</dfn> a <var>descriptor</var>, the UA must perform the
-          following steps. This algorithm returns either "<a data-link-type="idl" href="#dom-permissionstate-granted" class="internalDFN" id="ref-for-dom-permissionstate-granted-5"><code>granted</code></a>" or
-          "<a data-link-type="idl" href="#dom-permissionstate-denied" class="internalDFN" id="ref-for-dom-permissionstate-denied-8"><code>denied</code></a>".
+          following steps. This algorithm returns either "<a data-link-type="idl" href="#dom-permissionstate-granted" class="internalDFN" id="ref-for-dom-permissionstate-granted-3"><code>granted</code></a>" or
+          "<a data-link-type="idl" href="#dom-permissionstate-denied" class="internalDFN" id="ref-for-dom-permissionstate-denied-6"><code>denied</code></a>".
         </p>
         <ol class="algorithm">
-          <li>Let <var>current state</var> be the <var>descriptor</var>'s <a href="#dfn-state" class="internalDFN" data-link-type="dfn" id="ref-for-dfn-state-11">permission state</a>.
+          <li>Let <var>current state</var> be the <var>descriptor</var>'s <a href="#dfn-state" class="internalDFN" data-link-type="dfn" id="ref-for-dfn-state-4">permission state</a>.
           </li>
-          <li>If <var>current state</var> is not "<a data-link-type="idl" href="#dom-permissionstate-prompt" class="internalDFN" id="ref-for-dom-permissionstate-prompt-4"><code>prompt</code></a>", return <var>current
+          <li>If <var>current state</var> is not "<a data-link-type="idl" href="#dom-permissionstate-prompt" class="internalDFN" id="ref-for-dom-permissionstate-prompt-3"><code>prompt</code></a>", return <var>current
           state</var> and abort these steps.
           </li>
           <li>Ask the user for <a href="#dfn-express-permission" class="internalDFN" data-link-type="dfn" id="ref-for-dfn-express-permission-6">express permission</a> for the calling algorithm to use the
-          <a href="#dfn-powerful-feature" class="internalDFN" data-link-type="dfn" id="ref-for-dfn-powerful-feature-23">powerful feature</a> described by <var>descriptor</var>.
+          <a href="#dfn-powerful-feature" class="internalDFN" data-link-type="dfn" id="ref-for-dfn-powerful-feature-13">powerful feature</a> described by <var>descriptor</var>.
           </li>
-          <li>If the user grants permission, return "<a data-link-type="idl" href="#dom-permissionstate-granted" class="internalDFN" id="ref-for-dom-permissionstate-granted-6"><code>granted</code></a>"; otherwise return
-          "<a data-link-type="idl" href="#dom-permissionstate-denied" class="internalDFN" id="ref-for-dom-permissionstate-denied-9"><code>denied</code></a>". The user's interaction may provide <a href="#dfn-new-information-about-the-user-s-intent" class="internalDFN" data-link-type="dfn" id="ref-for-dfn-new-information-about-the-user-s-intent-3">new information about
+          <li>If the user grants permission, return "<a data-link-type="idl" href="#dom-permissionstate-granted" class="internalDFN" id="ref-for-dom-permissionstate-granted-4"><code>granted</code></a>"; otherwise return
+          "<a data-link-type="idl" href="#dom-permissionstate-denied" class="internalDFN" id="ref-for-dom-permissionstate-denied-7"><code>denied</code></a>". The user's interaction may provide <a href="#dfn-new-information-about-the-user-s-intent" class="internalDFN" data-link-type="dfn" id="ref-for-dfn-new-information-about-the-user-s-intent-2">new information about
           the user's intent</a> for this <a data-link-type="dfn" data-type="dfn" href="https://html.spec.whatwg.org/multipage/webappapis.html#concept-global-object-realm">realm</a> and other <a data-link-type="dfn" data-type="dfn" href="https://html.spec.whatwg.org/multipage/webappapis.html#concept-global-object-realm">realms</a>
           with the <a data-type="dfn" href="https://html.spec.whatwg.org/multipage/origin.html#same-origin">same origin</a>.
-            <div class="note" role="note" id="issue-container-generatedID-4"><div role="heading" class="note-title marker" id="h-note-4" aria-level="4"><span>Note</span></div><p class="">
+            <div class="note" role="note" id="issue-container-generatedID-2"><div role="heading" class="note-title marker" id="h-note-2" aria-level="4"><span>Note</span></div><p class="">
               This is intentionally vague about the details of the permission UI and how the UA
               infers user intent. UAs should be able to explore lots of UI within this framework.
             </p></div>
           </li>
         </ol>
         <p>
-          As a shorthand, <a href="#dfn-request-permission-to-use" class="internalDFN" data-link-type="dfn" id="ref-for-dfn-request-permission-to-use-1">requesting permission to use</a> a <a data-link-type="idl" data-lt="PermissionName" href="#dom-permissionname" class="internalDFN" id="ref-for-dom-permissionname-4"><code>PermissionName</code></a> <var>name</var>, is the
-          same as <a href="#dfn-request-permission-to-use" class="internalDFN" data-link-type="dfn" id="ref-for-dfn-request-permission-to-use-2">requesting permission to use</a> a <a data-link-type="idl" data-lt="PermissionDescriptor" href="#dom-permissiondescriptor" class="internalDFN" id="ref-for-dom-permissiondescriptor-8"><code>PermissionDescriptor</code></a> with its
+          As a shorthand, <a href="#dfn-request-permission-to-use" class="internalDFN" data-link-type="dfn" id="ref-for-dfn-request-permission-to-use-1">requesting permission to use</a> a <a data-link-type="idl" data-lt="PermissionName" href="#dom-permissionname" class="internalDFN" id="ref-for-dom-permissionname-2"><code>PermissionName</code></a> <var>name</var>, is the
+          same as <a href="#dfn-request-permission-to-use" class="internalDFN" data-link-type="dfn" id="ref-for-dfn-request-permission-to-use-2">requesting permission to use</a> a <a data-link-type="idl" data-lt="PermissionDescriptor" href="#dom-permissiondescriptor" class="internalDFN" id="ref-for-dom-permissiondescriptor-5"><code>PermissionDescriptor</code></a> with its
           <a data-link-type="idl" href="#dom-permissiondescriptor-name" class="internalDFN" id="ref-for-dom-permissiondescriptor-name-6"><code>name</code></a> member set to <var>name</var>.
         </p>
       </section>
@@ -947,27 +750,27 @@ <h2 id="subtitle" class="subtitle">
         <p>
           To <dfn data-lt="prompt the user to choose|prompting the user to choose" class="export" data-export="" id="dfn-prompt-the-user-to-choose" tabindex="0" aria-haspopup="dialog" data-dfn-type="dfn">prompt the user to choose</dfn> one of several <var>options</var> associated with a
           <var>descriptor</var>, the UA must perform the following steps. This algorithm returns either
-          "<a data-link-type="idl" href="#dom-permissionstate-denied" class="internalDFN" id="ref-for-dom-permissionstate-denied-10"><code>denied</code></a>" or one of the options.
+          "<a data-link-type="idl" href="#dom-permissionstate-denied" class="internalDFN" id="ref-for-dom-permissionstate-denied-8"><code>denied</code></a>" or one of the options.
         </p>
         <ol class="algorithm">
-          <li>If <var>descriptor</var>'s <a href="#dfn-state" class="internalDFN" data-link-type="dfn" id="ref-for-dfn-state-12">permission state</a> is "<a data-link-type="idl" href="#dom-permissionstate-denied" class="internalDFN" id="ref-for-dom-permissionstate-denied-11"><code>denied</code></a>", return
-          "<a data-link-type="idl" href="#dom-permissionstate-denied" class="internalDFN" id="ref-for-dom-permissionstate-denied-12"><code>denied</code></a>" and abort these steps.
+          <li>If <var>descriptor</var>'s <a href="#dfn-state" class="internalDFN" data-link-type="dfn" id="ref-for-dfn-state-5">permission state</a> is "<a data-link-type="idl" href="#dom-permissionstate-denied" class="internalDFN" id="ref-for-dom-permissionstate-denied-9"><code>denied</code></a>", return
+          "<a data-link-type="idl" href="#dom-permissionstate-denied" class="internalDFN" id="ref-for-dom-permissionstate-denied-10"><code>denied</code></a>" and abort these steps.
           </li>
-          <li>If <var>descriptor</var>'s <a href="#dfn-state" class="internalDFN" data-link-type="dfn" id="ref-for-dfn-state-13">permission state</a> is "<a data-link-type="idl" href="#dom-permissionstate-granted" class="internalDFN" id="ref-for-dom-permissionstate-granted-7"><code>granted</code></a>", the UA
+          <li>If <var>descriptor</var>'s <a href="#dfn-state" class="internalDFN" data-link-type="dfn" id="ref-for-dfn-state-6">permission state</a> is "<a data-link-type="idl" href="#dom-permissionstate-granted" class="internalDFN" id="ref-for-dom-permissionstate-granted-5"><code>granted</code></a>", the UA
           may return one of <var>options</var> and abort these steps. If the UA returns without prompting,
           then subsequent <a data-lt="prompt the user to choose" href="#dfn-prompt-the-user-to-choose" class="internalDFN" data-link-type="dfn" id="ref-for-dfn-prompt-the-user-to-choose-1">prompts for the user to choose</a>
           from the same set of options with the same <var>descriptor</var> must return the same option,
-          unless the UA receives <a href="#dfn-new-information-about-the-user-s-intent" class="internalDFN" data-link-type="dfn" id="ref-for-dfn-new-information-about-the-user-s-intent-4">new information about the user's intent</a>.
+          unless the UA receives <a href="#dfn-new-information-about-the-user-s-intent" class="internalDFN" data-link-type="dfn" id="ref-for-dfn-new-information-about-the-user-s-intent-3">new information about the user's intent</a>.
           </li>
           <li>Ask the user to choose one of the options or deny permission, and wait for them to
           choose. If the calling algorithm specified extra information to include in the prompt,
           include it.
           </li>
           <li>If the user chose an option, return it; otherwise return
-          "<a data-link-type="idl" href="#dom-permissionstate-denied" class="internalDFN" id="ref-for-dom-permissionstate-denied-13"><code>denied</code></a>". If the user's interaction indicates they intend this choice
-          to apply to other realms, then treat this this as <a href="#dfn-new-information-about-the-user-s-intent" class="internalDFN" data-link-type="dfn" id="ref-for-dfn-new-information-about-the-user-s-intent-5">new information about the user's
+          "<a data-link-type="idl" href="#dom-permissionstate-denied" class="internalDFN" id="ref-for-dom-permissionstate-denied-11"><code>denied</code></a>". If the user's interaction indicates they intend this choice
+          to apply to other realms, then treat this this as <a href="#dfn-new-information-about-the-user-s-intent" class="internalDFN" data-link-type="dfn" id="ref-for-dfn-new-information-about-the-user-s-intent-4">new information about the user's
           intent</a> for other <a data-link-type="dfn" data-type="dfn" href="https://html.spec.whatwg.org/multipage/webappapis.html#concept-global-object-realm">realms</a> with the <a data-type="dfn" href="https://html.spec.whatwg.org/multipage/origin.html#same-origin">same origin</a>.
-            <div class="note" role="note" id="issue-container-generatedID-5"><div role="heading" class="note-title marker" id="h-note-5" aria-level="4"><span>Note</span></div><p class="">
+            <div class="note" role="note" id="issue-container-generatedID-3"><div role="heading" class="note-title marker" id="h-note-3" aria-level="4"><span>Note</span></div><p class="">
               This is intentionally vague about the details of the permission UI and how the UA
               infers user intent. UAs should be able to explore lots of UI within this framework.
             </p></div>
@@ -975,8 +778,8 @@ <h2 id="subtitle" class="subtitle">
         </ol>
         <p>
           As a shorthand, <a href="#dfn-prompt-the-user-to-choose" class="internalDFN" data-link-type="dfn" id="ref-for-dfn-prompt-the-user-to-choose-2">prompting the user to choose</a> from options associated with a
-          <a data-link-type="idl" data-lt="PermissionName" href="#dom-permissionname" class="internalDFN" id="ref-for-dom-permissionname-5"><code>PermissionName</code></a> <var>name</var>, is the same as <a href="#dfn-prompt-the-user-to-choose" class="internalDFN" data-link-type="dfn" id="ref-for-dfn-prompt-the-user-to-choose-3">prompting the user to choose</a> from those
-          options associated with a <a data-link-type="idl" data-lt="PermissionDescriptor" href="#dom-permissiondescriptor" class="internalDFN" id="ref-for-dom-permissiondescriptor-9"><code>PermissionDescriptor</code></a> with its <a data-link-type="idl" href="#dom-permissiondescriptor-name" class="internalDFN" id="ref-for-dom-permissiondescriptor-name-7"><code>name</code></a>
+          <a data-link-type="idl" data-lt="PermissionName" href="#dom-permissionname" class="internalDFN" id="ref-for-dom-permissionname-3"><code>PermissionName</code></a> <var>name</var>, is the same as <a href="#dfn-prompt-the-user-to-choose" class="internalDFN" data-link-type="dfn" id="ref-for-dfn-prompt-the-user-to-choose-3">prompting the user to choose</a> from those
+          options associated with a <a data-link-type="idl" data-lt="PermissionDescriptor" href="#dom-permissiondescriptor" class="internalDFN" id="ref-for-dom-permissiondescriptor-6"><code>PermissionDescriptor</code></a> with its <a data-link-type="idl" href="#dom-permissiondescriptor-name" class="internalDFN" id="ref-for-dom-permissiondescriptor-name-7"><code>name</code></a>
           member set to <var>name</var>.
         </p>
       </section>
@@ -985,19 +788,209 @@ <h2 id="subtitle" class="subtitle">
         </h3><a class="self-link" href="#reacting-to-revocation" aria-label="Permalink for Section 2.6"></a></div>
         
         <p>
-          When the UA learns that the user no longer intends to grant permission for a <a data-link-type="dfn" data-type="dfn" href="https://html.spec.whatwg.org/multipage/webappapis.html#concept-global-object-realm">realm</a> to use a <a href="#dfn-powerful-feature" class="internalDFN" data-link-type="dfn" id="ref-for-dfn-powerful-feature-24">feature</a>, <dfn id="dfn-react-to-the-user-revoking-permission" tabindex="0" aria-haspopup="dialog" data-dfn-type="dfn">react to the user revoking permission</dfn>
+          When the UA learns that the user no longer intends to grant permission for a <a data-link-type="dfn" data-type="dfn" href="https://html.spec.whatwg.org/multipage/webappapis.html#concept-global-object-realm">realm</a> to use a <a href="#dfn-powerful-feature" class="internalDFN" data-link-type="dfn" id="ref-for-dfn-powerful-feature-14">feature</a>, <dfn id="dfn-react-to-the-user-revoking-permission" tabindex="0" aria-haspopup="dialog" data-dfn-type="dfn">react to the user revoking permission</dfn>
           by:
         </p>
         <ol class="algorithm">
           <li>
-            <a data-type="dfn" href="https://html.spec.whatwg.org/multipage/webappapis.html#queue-a-task">Queue a task</a> on the Realm's <a data-link-type="dfn" data-type="dfn" href="https://html.spec.whatwg.org/multipage/webappapis.html#concept-realm-settings-object">settings object</a>'s <a data-link-type="dfn" data-type="dfn" href="https://html.spec.whatwg.org/multipage/webappapis.html#responsible-event-loop">responsible event loop</a> to run that feature's <a data-link-type="dfn" href="#dfn-permission-revocation-algorithm" class="internalDFN" id="ref-for-dfn-permission-revocation-algorithm-2">permission revocation algorithm</a>.
+            <a data-type="dfn" href="https://html.spec.whatwg.org/multipage/webappapis.html#queue-a-task">Queue a task</a> on the Realm's <a data-link-type="dfn" data-type="dfn" href="https://html.spec.whatwg.org/multipage/webappapis.html#concept-realm-settings-object">settings object</a>'s <a data-link-type="dfn" data-type="dfn" href="https://html.spec.whatwg.org/multipage/webappapis.html#responsible-event-loop">responsible event loop</a> to run that feature's <a data-link-type="dfn" href="#dfn-permission-revocation-algorithm" class="internalDFN" id="ref-for-dfn-permission-revocation-algorithm-1">permission revocation algorithm</a>.
           </li>
         </ol>
       </section>
     </section>
-    <section id="permissions-api"><div class="header-wrapper"><h2 id="x3-permissions-api"><bdi class="secno">3. </bdi>
+    <section id="specifying-a-powerful-feature"><div class="header-wrapper"><h2 id="x3-specifying-a-powerful-feature"><bdi class="secno">3. </bdi>
+        Specifying a powerful feature
+      </h2><a class="self-link" href="#specifying-a-powerful-feature" aria-label="Permalink for Section 3."></a></div>
+      
+      <p class="advisement">
+        Please register newly specified <a data-link-type="dfn" href="#dfn-powerful-feature" class="internalDFN" id="ref-for-dfn-powerful-feature-15">powerful features</a> in the
+        <cite><a data-matched-text="[[[powerful-feature-registry]]]" href="https://w3c.github.io/powerful-features-registry/">Registry of Powerful Features</a></cite>. Doing so also provides this Working Group an opportunity
+        to provide feedback and check that integration with this specification is done effectively.
+      </p>
+      <p>
+        Each <a href="#dfn-powerful-feature" class="internalDFN" data-link-type="dfn" id="ref-for-dfn-powerful-feature-16">powerful feature</a> has the following permission-related algorithms and types.
+        When the defaults are not suitable for a particular <a data-link-type="dfn" href="#dfn-powerful-feature" class="internalDFN" id="ref-for-dfn-powerful-feature-17">powerful feature</a>, a specification
+        <em class="rfc2119">MAY</em> override below algorithms and types below.
+      </p>
+      <dl>
+        <dt>
+          A <dfn data-dfn-for="powerful feature" class="export" data-export="" id="dfn-permission-descriptor-type" tabindex="0" aria-haspopup="dialog" data-dfn-type="dfn">permission descriptor type</dfn>:
+        </dt>
+        <dd>
+          <p>
+            <a data-link-type="idl" data-lt="PermissionDescriptor" href="#dom-permissiondescriptor" class="internalDFN" id="ref-for-dom-permissiondescriptor-7"><code>PermissionDescriptor</code></a> or one of its subtypes. If unspecified, this defaults to
+            <a data-link-type="idl" data-lt="PermissionDescriptor" href="#dom-permissiondescriptor" class="internalDFN" id="ref-for-dom-permissiondescriptor-8"><code>PermissionDescriptor</code></a>.
+          </p>
+          <p>
+            The feature can define a <a href="https://en.wikipedia.org/wiki/Partially_ordered_set">partial order</a> on descriptor
+            instances. If <var>descriptorA</var> is <dfn class="export" data-dfn-for="PermissionDescriptor" data-export="" id="dfn-stronger-than" tabindex="0" aria-haspopup="dialog" data-dfn-type="dfn">stronger than</dfn> <var>descriptorB</var>, then if <var>descriptorA</var>'s
+            <a href="#dfn-state" class="internalDFN" data-link-type="dfn" id="ref-for-dfn-state-7">permission state</a> is "<a data-link-type="idl" href="#dom-permissionstate-granted" class="internalDFN" id="ref-for-dom-permissionstate-granted-6"><code>granted</code></a>", <var>descriptorB</var>'s <a href="#dfn-state" class="internalDFN" data-link-type="dfn" id="ref-for-dfn-state-8">permission
+            state</a> must also be "<a data-link-type="idl" href="#dom-permissionstate-granted" class="internalDFN" id="ref-for-dom-permissionstate-granted-7"><code>granted</code></a>", and if <var>descriptorB</var>'s
+            <a href="#dfn-state" class="internalDFN" data-link-type="dfn" id="ref-for-dfn-state-9">permission state</a> is "<a data-link-type="idl" href="#dom-permissionstate-denied" class="internalDFN" id="ref-for-dom-permissionstate-denied-12"><code>denied</code></a>", <var>descriptorA</var>'s <a href="#dfn-state" class="internalDFN" data-link-type="dfn" id="ref-for-dfn-state-10">permission
+            state</a> must also be "<a data-link-type="idl" href="#dom-permissionstate-denied" class="internalDFN" id="ref-for-dom-permissionstate-denied-13"><code>denied</code></a>".
+          </p>
+          <p class="example" id="example-stronger-than">
+            <code>{name: "midi", sysex: true}</code> ("midi-with-sysex") is
+            <a data-link-type="dfn" href="#dfn-stronger-than" class="internalDFN" id="ref-for-dfn-stronger-than-1">stronger than</a> <code>{name: "midi", sysex: false}</code>
+            ("midi-without-sysex"), so if the user denies access to midi-without-sysex, the UA must
+            also deny access to midi-with-sysex, and similarly if the user grants access to
+            midi-with-sysex, the UA must also grant access to midi-without-sysex.
+          </p>
+        </dd>
+        <dt>
+          <dfn data-dfn-for="powerful feature" class="export" data-export="" id="dfn-permission-state-constraints" tabindex="0" aria-haspopup="dialog" data-dfn-type="dfn">permission state constraints</dfn>:
+        </dt>
+        <dd>
+          Constraints on the values that the UA can return as a descriptor's <a href="#dfn-state" class="internalDFN" data-link-type="dfn" id="ref-for-dfn-state-11">permission
+          state</a>. Defaults to no constraints beyond the user's intent.
+        </dd>
+        <dt>
+          <dfn data-dfn-for="powerful feature" class="export" data-export="" id="dfn-extra-permission-data-type" tabindex="0" aria-haspopup="dialog" data-dfn-type="dfn">extra permission data type</dfn>:
+        </dt>
+        <dd>
+          <div class="note" role="note" id="issue-container-generatedID-4"><div role="heading" class="note-title marker" id="h-note-4" aria-level="3"><span>Note</span></div><p class="" data-cite="mediacapture-streams ECMAScript">
+            Some <a href="#dfn-powerful-feature" class="internalDFN" data-link-type="dfn" id="ref-for-dfn-powerful-feature-18">powerful features</a> have more information associated with them than just a
+            <a data-link-type="idl" data-lt="PermissionState" href="#dom-permissionstate" class="internalDFN" id="ref-for-dom-permissionstate-1"><code>PermissionState</code></a>. For example, <a data-link-type="idl" data-lt="getUserMedia()" data-type="method" href="https://www.w3.org/TR/mediacapture-streams/#dom-mediadevices-getusermedia"><code>getUserMedia</code></a><code>()</code> needs to determine
+            <em>which</em> cameras the user has granted <a data-link-type="dfn" data-type="dfn" href="https://tc39.es/ecma262/multipage/executable-code-and-execution-contexts.html#current-realm">the current realm record</a>
+            permission to access. Each of these features defines an <a data-link-type="dfn" href="#dfn-extra-permission-data-type" class="internalDFN" id="ref-for-dfn-extra-permission-data-type-1">extra permission data type</a>. If a <a data-link-type="idl" data-lt="DOMString" data-type="interface" href="https://webidl.spec.whatwg.org/#idl-DOMString"><code>DOMString</code></a> <var>name</var> names one of these features, then
+            <var>name</var>'s <dfn data-dfn-for="powerful feature" class="export" data-export="" id="dfn-extra-permission-data" tabindex="0" aria-haspopup="dialog" data-dfn-type="dfn">extra permission
+            data</dfn> for an optional <a data-type="dfn" href="https://html.spec.whatwg.org/multipage/webappapis.html#environment-settings-object">environment settings object</a> <var>settings</var> is the result
+            of the following algorithm:
+          </p></div>
+          <ol class="algorithm">
+            <li>If <var>settings</var> wasn't passed, set it to the <a data-link-type="dfn" data-type="dfn" href="https://html.spec.whatwg.org/multipage/webappapis.html#current-settings-object">current settings object</a>.
+            </li>
+            <li>If there was a previous invocation of this algorithm with the same <var>name</var> and
+            <var>settings</var>, returning <var>previousResult</var>, and the UA has not received <a href="#dfn-new-information-about-the-user-s-intent" class="internalDFN" data-link-type="dfn" id="ref-for-dfn-new-information-about-the-user-s-intent-5">new information
+            about the user's intent</a> since that invocation, return <var>previousResult</var>.
+            </li>
+            <li>Return the instance of <var>name</var>'s <a data-link-type="dfn" href="#dfn-extra-permission-data-type" class="internalDFN" id="ref-for-dfn-extra-permission-data-type-2">extra permission data type</a>
+            that matches the UA's impression of the user's intent, taking into account any
+            <a data-link-type="dfn" href="#dfn-extra-permission-data-constraints" class="internalDFN" id="ref-for-dfn-extra-permission-data-constraints-1">extra permission data constraints</a> for <var>name</var>.
+            </li>
+          </ol>
+          <p>
+            If specified, the <a data-link-type="dfn" href="#dfn-extra-permission-data" class="internalDFN" id="ref-for-dfn-extra-permission-data-1">extra permission data</a> algorithm is usable for
+            this feature.
+          </p>
+        </dd>
+        <dt>
+          Optional <dfn data-dfn-for="powerful feature" class="export" data-export="" id="dfn-extra-permission-data-constraints" tabindex="0" aria-haspopup="dialog" data-dfn-type="dfn">extra permission data
+          constraints</dfn>:
+        </dt>
+        <dd>
+          Constraints on the values that the UA can return as a <a data-link-type="dfn" href="#dfn-powerful-feature" class="internalDFN" id="ref-for-dfn-powerful-feature-19">powerful feature</a>'s <a data-link-type="dfn" href="#dfn-extra-permission-data" class="internalDFN" id="ref-for-dfn-extra-permission-data-2">extra permission data</a>. Defaults to no constraints beyond the user's intent.
+        </dd>
+        <dt>
+          A <dfn data-dfn-for="powerful feature" class="export" data-export="" id="dfn-permission-result-type" tabindex="0" aria-haspopup="dialog" data-dfn-type="dfn">permission result type</dfn>:
+        </dt>
+        <dd>
+          <a data-link-type="idl" data-lt="PermissionStatus" href="#dom-permissionstatus" class="internalDFN" id="ref-for-dom-permissionstatus-2"><code>PermissionStatus</code></a> or one of its subtypes. If unspecified, this defaults to
+          <a data-link-type="idl" data-lt="PermissionStatus" href="#dom-permissionstatus" class="internalDFN" id="ref-for-dom-permissionstatus-3"><code>PermissionStatus</code></a>.
+        </dd>
+        <dt>
+          A <dfn data-dfn-for="powerful feature" class="export" data-export="" id="dfn-permission-query-algorithm" tabindex="0" aria-haspopup="dialog" data-dfn-type="dfn">permission query algorithm</dfn>:
+        </dt>
+        <dd>
+          <p>
+            Takes an instance of the <a data-link-type="dfn" href="#dfn-permission-descriptor-type" class="internalDFN" id="ref-for-dfn-permission-descriptor-type-2">permission descriptor type</a> and a new or
+            existing instance of the <a data-link-type="dfn" href="#dfn-permission-result-type" class="internalDFN" id="ref-for-dfn-permission-result-type-1">permission result type</a>, and updates the
+            <a data-link-type="dfn" href="#dfn-permission-result-type" class="internalDFN" id="ref-for-dfn-permission-result-type-2">permission result type</a> instance with the query result. Used by
+            <a data-link-type="idl" data-lt="Permissions" href="#dom-permissions" class="internalDFN" id="ref-for-dom-permissions-1"><code>Permissions</code></a>' <a data-link-type="idl" data-lt="query(permissionDesc)" href="#dom-permissions-query" class="internalDFN" id="ref-for-dom-permissions-query-1"><code>query</code></a><code>(<var>permissionDesc</var>)</code> method and the
+            <a data-link-type="dfn" href="#dfn-permissionstatus-update-steps" class="internalDFN" id="ref-for-dfn-permissionstatus-update-steps-1"><code>PermissionStatus</code> update steps</a>. If unspecified, this defaults to the <a href="#dfn-default-permission-query-algorithm" class="internalDFN" data-link-type="dfn" id="ref-for-dfn-default-permission-query-algorithm-1">default
+            permission query algorithm</a>.
+          </p>
+          <p>
+            The <dfn id="dfn-default-permission-query-algorithm" tabindex="0" aria-haspopup="dialog" data-dfn-type="dfn">default permission query algorithm</dfn>, given a <a data-link-type="idl" data-lt="PermissionDescriptor" href="#dom-permissiondescriptor" class="internalDFN" id="ref-for-dom-permissiondescriptor-9"><code>PermissionDescriptor</code></a>
+            <var>permissionDesc</var> and a <a data-link-type="idl" data-lt="PermissionStatus" href="#dom-permissionstatus" class="internalDFN" id="ref-for-dom-permissionstatus-4"><code>PermissionStatus</code></a> <var>status</var>, runs the following
+            steps:
+          </p>
+          <ol class="algorithm">
+            <li>Set <code><var>status</var>.state</code> to <var>permissionDesc</var>'s <a href="#dfn-state" class="internalDFN" data-link-type="dfn" id="ref-for-dfn-state-12">permission state</a>.
+            </li>
+          </ol>
+        </dd>
+        <dt>
+          A <dfn data-dfn-for="powerful feature" class="export" data-export="" id="dfn-permission-revocation-algorithm" tabindex="0" aria-haspopup="dialog" data-dfn-type="dfn">permission revocation
+          algorithm</dfn>:
+        </dt>
+        <dd>
+          <p>
+            Takes no arguments. Updates any other parts of the implementation that need to be kept
+            in sync with changes in the results of <a href="#dfn-state" class="internalDFN" data-link-type="dfn" id="ref-for-dfn-state-13">permission states</a> or <a data-link-type="dfn" href="#dfn-extra-permission-data" class="internalDFN" id="ref-for-dfn-extra-permission-data-3">extra permission data</a>, and then <a data-link-type="dfn" href="#dfn-react-to-the-user-revoking-permission" class="internalDFN" id="ref-for-dfn-react-to-the-user-revoking-permission-1">react to the user revoking permission</a>.
+          </p>
+          <p>
+            If unspecified, this defaults to running <a data-link-type="dfn" href="#dfn-react-to-the-user-revoking-permission" class="internalDFN" id="ref-for-dfn-react-to-the-user-revoking-permission-2">react to the user revoking permission</a>.
+          </p>
+        </dd>
+        <dt>
+          A permission <a data-link-type="dfn" href="#dfn-lifetime" class="internalDFN" id="ref-for-dfn-lifetime-3">lifetime</a>:
+        </dt>
+        <dd>
+          <p>
+            Specifications that define one or more <a data-link-type="dfn" href="#dfn-powerful-feature" class="internalDFN" id="ref-for-dfn-powerful-feature-20">powerful features</a> <em class="rfc2119">SHOULD</em> suggest a
+            <a data-link-type="dfn" href="#dfn-permission" class="internalDFN" id="ref-for-dfn-permission-6">permission</a> <a data-link-type="dfn" href="#dfn-lifetime" class="internalDFN" id="ref-for-dfn-lifetime-4">lifetime</a> that is best suited for the particular feature.
+            Some guidance on determining the lifetime of a permission is noted below, with a strong
+            emphasis on user privacy. If no <a data-link-type="dfn" href="#dfn-lifetime" class="internalDFN" id="ref-for-dfn-lifetime-5">lifetime</a> is specified, the user agent
+            provides one.
+          </p>
+          <p>
+            When the permission <a data-link-type="dfn" href="#dfn-lifetime" class="internalDFN" id="ref-for-dfn-lifetime-6">lifetime</a> expires for an origin:
+          </p>
+          <ol>
+            <li>Set the permission back to its default <a data-link-type="dfn" href="#dfn-state" class="internalDFN" id="ref-for-dfn-state-14">permission state</a> (e.g. setting it back
+            to "<a data-link-type="dfn" href="#dfn-prompt" class="internalDFN" id="ref-for-dfn-prompt-2">prompt</a>").
+            </li>
+            <li>For each <var>browsing context</var> associated with the origin (if any), <a data-link-type="dfn" data-type="dfn" href="https://html.spec.whatwg.org/multipage/webappapis.html#queue-a-global-task">queue a global task</a> on the <a data-link-type="dfn" href="#dfn-permissions-task-source" class="internalDFN" id="ref-for-dfn-permissions-task-source-1">permissions task source</a> with the <var>browsing context</var>'s <a data-link-type="dfn" data-type="dfn" href="https://html.spec.whatwg.org/multipage/webappapis.html#global-object">global object</a> to run the <a data-link-type="dfn" href="#dfn-permission-revocation-algorithm" class="internalDFN" id="ref-for-dfn-permission-revocation-algorithm-2">permission revocation algorithm</a>.
+            </li>
+          </ol>
+          <div class="note" role="note" id="issue-container-generatedID-5"><div role="heading" class="note-title marker" id="h-note-5" aria-level="3"><span>Note</span><span class="issue-label">: Determining the lifetime of a permission</span></div><aside class="">
+            <p>
+              For particularly privacy-sensitive <a data-link-type="dfn" href="#dfn-powerful-feature" class="internalDFN" id="ref-for-dfn-powerful-feature-21">features</a>, such as <cite><a data-matched-text="[[[GETUSERMEDIA]]]" href="https://www.w3.org/TR/mediacapture-streams/">Media Capture and Streams</a></cite>, which
+              can provide a web application access to a user's camera and microphone, some user
+              agents expire a permission <a data-link-type="dfn" href="#dfn-granted" class="internalDFN" id="ref-for-dfn-granted-5">grant</a> as soon as a browser tab is closed or
+              navigated. For other features, like the <cite><a data-matched-text="[[[Geolocation]]]" href="https://www.w3.org/TR/geolocation/">Geolocation API</a></cite>, user agents are known to
+              offer a choice of only granting the permission for the session, or for one day.
+              Others, like the <cite><a data-matched-text="[[[Notifications]]]" href="https://notifications.spec.whatwg.org/">Notifications API Standard</a></cite> and <cite><a data-matched-text="[[[push-api]]]" href="https://www.w3.org/TR/push-api/">Push API</a></cite> APIs, remember a user's
+              decision indefinitely or until the user manually revokes the permission. Note that
+              permission <a data-link-type="dfn" href="#dfn-lifetime" class="internalDFN" id="ref-for-dfn-lifetime-7">lifetimes</a> can vary significantly between user agents.
+            </p>
+            <p>
+              Finding the right balance for the lifetime of a permission requires a lot of thought
+              and experimentation, and often evolves over a period of years. Implementers are
+              encouraged to work with their UX security teams to find the right balance between
+              ease of access to a <a data-link-type="dfn" href="#dfn-powerful-feature" class="internalDFN" id="ref-for-dfn-powerful-feature-22">powerful feature</a> (i.e., reducing the number of permission
+              prompts), respecting a user's privacy, and making users aware when a web application
+              is making use of a particular powerful feature (e.g., via some visual or auditory UI
+              indicator).
+            </p>
+            <p>
+              If you are unsure about what <a data-link-type="dfn" href="#dfn-lifetime" class="internalDFN" id="ref-for-dfn-lifetime-8">lifetime</a> to suggest for a <a data-link-type="dfn" href="#dfn-powerful-feature" class="internalDFN" id="ref-for-dfn-powerful-feature-23">powerful feature</a>, please contact the <a href="https://www.w3.org/Privacy/IG/">Privacy
+              Interest Group</a> for guidance.
+            </p>
+          </aside></div>
+        </dd>
+        <dt>
+          <dfn class="export" data-dfn-for="powerful feature" data-export="" id="dfn-default-permission-state" tabindex="0" aria-haspopup="dialog" data-dfn-type="dfn">Default permission state</dfn>:
+        </dt>
+        <dd>
+          <p>
+            An <a data-link-type="idl" data-lt="PermissionState" href="#dom-permissionstate" class="internalDFN" id="ref-for-dom-permissionstate-2"><code>PermissionState</code></a> value that serves as a <a data-link-type="dfn" href="#dfn-permission" class="internalDFN" id="ref-for-dfn-permission-7">permission</a>'s <a data-link-type="dfn" href="#dfn-default-state" class="internalDFN" id="ref-for-dfn-default-state-2">default state</a> of a <a data-link-type="dfn" href="#dfn-powerful-feature" class="internalDFN" id="ref-for-dfn-powerful-feature-24">powerful feature</a>.
+          </p>
+          <p>
+            If not specified, the <a data-link-type="dfn" href="#dfn-permission" class="internalDFN" id="ref-for-dfn-permission-8">permission</a>'s <a data-link-type="dfn" href="#dfn-default-state" class="internalDFN" id="ref-for-dfn-default-state-3">default state</a> is
+            "<a data-link-type="idl" href="#dom-permissionstate-prompt" class="internalDFN" id="ref-for-dom-permissionstate-prompt-4"><code>prompt</code></a>".
+          </p>
+        </dd>
+      </dl>
+      <p>
+        A <dfn class="export" data-export="" id="dfn-default-powerful-feature" tabindex="0" aria-haspopup="dialog" data-dfn-type="dfn">default powerful feature</dfn> is a <a href="#dfn-powerful-feature" class="internalDFN" data-link-type="dfn" id="ref-for-dfn-powerful-feature-25">powerful feature</a> with all
+        of the above types and algorithms defaulted.
+      </p>
+    </section>
+    <section id="permissions-api"><div class="header-wrapper"><h2 id="x4-permissions-api"><bdi class="secno">4. </bdi>
         Permissions API
-      </h2><a class="self-link" href="#permissions-api" aria-label="Permalink for Section 3."></a></div>
+      </h2><a class="self-link" href="#permissions-api" aria-label="Permalink for Section 4."></a></div>
       
       <aside class="mdn"><details>
     <summary aria-label="Expand MDN details for permissions"><span>MDN</span><span> </span></summary>
@@ -1091,16 +1084,16 @@ <h2 id="subtitle" class="subtitle">
       <td>No</td>
     </tr>
   </table>
-  </details></aside><section id="extensions-to-the-navigator-and-workernavigator-interfaces"><div class="header-wrapper"><h3 id="navigator-and-workernavigator-extension"><bdi class="secno">3.1 </bdi>
+  </details></aside><section id="extensions-to-the-navigator-and-workernavigator-interfaces"><div class="header-wrapper"><h3 id="navigator-and-workernavigator-extension"><bdi class="secno">4.1 </bdi>
           Extensions to the <code>Navigator</code> and <code>WorkerNavigator</code> interfaces
-        </h3><a class="self-link" href="#navigator-and-workernavigator-extension" aria-label="Permalink for Section 3.1"></a></div>
+        </h3><a class="self-link" href="#navigator-and-workernavigator-extension" aria-label="Permalink for Section 4.1"></a></div>
         
-        <pre class="idl def" id="webidl-2112232240"><span class="idlHeader"><a class="self-link" href="#webidl-2112232240">WebIDL</a></span><code><span data-idl="" class="idlInterface" id="idl-def-navigator-partial-1" data-title="Navigator">[<span class="extAttr"><a data-type="extended-attribute" href="https://webidl.spec.whatwg.org/#Exposed">Exposed</a>=(<a data-type="interface" href="https://html.spec.whatwg.org/multipage/window-object.html#window">Window</a>)</span>]
+        <pre class="idl def" id="webidl-2112232240"><span class="idlHeader"><a class="self-link" href="#webidl-2112232240">WebIDL</a></span><code><span data-idl="" class="idlInterface" id="idl-def-navigator-partial-1" data-title="Navigator">[<span class="extAttr"><a data-type="extended-attribute" href="https://webidl.spec.whatwg.org/#Exposed">Exposed</a>=(Window)</span>]
 partial interface <a data-idl="partial" data-link-type="interface" data-title="Navigator" class="idlID" data-dfn-for="Navigator" data-type="interface" href="https://html.spec.whatwg.org/multipage/system-state.html#navigator">Navigator</a> {<span data-idl="" class="idlAttribute" id="idl-def-navigator-permissions" data-title="permissions" data-dfn-for="Navigator">
   [<span class="extAttr"><a data-type="extended-attribute" href="https://webidl.spec.whatwg.org/#SameObject">SameObject</a></span>] readonly attribute<span class="idlType"> <a href="#dfn-permission" class="internalDFN" data-link-type="dfn" id="ref-for-dfn-permission-9">Permissions</a></span> <dfn data-export="" data-dfn-type="attribute" id="dom-navigator-permissions" data-idl="attribute" data-title="permissions" data-dfn-for="Navigator" data-type="Permissions" data-lt="permissions" data-local-lt="Navigator.permissions" class="idlName" tabindex="0" aria-haspopup="dialog"><code>permissions</code></dfn>;</span>
 };</span><span data-idl="" class="idlInterface" id="idl-def-workernavigator-partial-1" data-title="WorkerNavigator">
 
-[<span class="extAttr"><a data-type="extended-attribute" href="https://webidl.spec.whatwg.org/#Exposed">Exposed</a>=(<a data-lt="WorkerGlobalScope" data-type="interface" href="https://html.spec.whatwg.org/multipage/workers.html#workerglobalscope">Worker</a>)</span>]
+[<span class="extAttr"><a data-type="extended-attribute" href="https://webidl.spec.whatwg.org/#Exposed">Exposed</a>=(Worker)</span>]
 partial interface <a data-idl="partial" data-link-type="interface" data-title="WorkerNavigator" class="idlID" data-dfn-for="WorkerNavigator" data-type="interface" href="https://html.spec.whatwg.org/multipage/workers.html#workernavigator">WorkerNavigator</a> {<span data-idl="" class="idlAttribute" id="idl-def-workernavigator-permissions" data-title="permissions" data-dfn-for="WorkerNavigator">
   [<span class="extAttr"><a data-type="extended-attribute" href="https://webidl.spec.whatwg.org/#SameObject">SameObject</a></span>] readonly attribute<span class="idlType"> <a href="#dfn-permission" class="internalDFN" data-link-type="dfn" id="ref-for-dfn-permission-10">Permissions</a></span> <dfn data-export="" data-dfn-type="attribute" id="dom-workernavigator-permissions" data-idl="attribute" data-title="permissions" data-dfn-for="WorkerNavigator" data-type="Permissions" data-lt="permissions" data-local-lt="WorkerNavigator.permissions" class="idlName" tabindex="0" aria-haspopup="dialog"><code>permissions</code></dfn>;</span>
 };</span></code></pre>
@@ -1151,17 +1144,17 @@ <h2 id="subtitle" class="subtitle">
       <td>No</td>
     </tr>
   </table>
-  </details></aside><section data-dfn-for="Permissions" id="permissions-interface-0"><div class="header-wrapper"><h3 id="permissions-interface"><bdi class="secno">3.2 </bdi>
+  </details></aside><section data-dfn-for="Permissions" id="permissions-interface-0"><div class="header-wrapper"><h3 id="permissions-interface"><bdi class="secno">4.2 </bdi>
           <code>Permissions</code> interface
-        </h3><a class="self-link" href="#permissions-interface" aria-label="Permalink for Section 3.2"></a></div>
+        </h3><a class="self-link" href="#permissions-interface" aria-label="Permalink for Section 4.2"></a></div>
         
-        <pre class="idl def" id="webidl-402168873"><span class="idlHeader"><a class="self-link" href="#webidl-402168873">WebIDL</a></span><code><span data-idl="" class="idlInterface" id="idl-def-permissions" data-title="Permissions">[<span class="extAttr"><a data-type="extended-attribute" href="https://webidl.spec.whatwg.org/#Exposed">Exposed</a>=(<a data-type="interface" href="https://html.spec.whatwg.org/multipage/window-object.html#window">Window</a>,<a data-lt="WorkerGlobalScope" data-type="interface" href="https://html.spec.whatwg.org/multipage/workers.html#workerglobalscope">Worker</a>)</span>]
+        <pre class="idl def" id="webidl-402168873"><span class="idlHeader"><a class="self-link" href="#webidl-402168873">WebIDL</a></span><code><span data-idl="" class="idlInterface" id="idl-def-permissions" data-title="Permissions">[<span class="extAttr"><a data-type="extended-attribute" href="https://webidl.spec.whatwg.org/#Exposed">Exposed</a>=(Window,Worker)</span>]
 interface <dfn data-export="" data-dfn-type="interface" id="dom-permissions" data-idl="interface" data-title="Permissions" data-dfn-for="" class="idlID" tabindex="0" aria-haspopup="dialog"><code>Permissions</code></dfn> {<span data-idl="" class="idlMethod" id="idl-def-permissions-query-permissiondesc" data-title="query" data-dfn-for="Permissions"><span class="idlType">
   <a data-type="interface" href="https://webidl.spec.whatwg.org/#idl-promise">Promise</a>&lt;<a href="#dom-permissionstatus" class="internalDFN" data-link-type="idl" id="ref-for-dom-permissionstatus-5"><code>PermissionStatus</code></a>&gt;</span> <a class="internalDFN idlName" data-link-type="method" href="#dom-permissions-query" id="ref-for-dom-permissions-query-2"><code>query</code></a>(<span class="idlType"><a data-type="interface" href="https://webidl.spec.whatwg.org/#idl-object">object</a></span> <span class="idlParamName">permissionDesc</span>);</span>
 };</span><span data-idl="" class="idlDictionary" id="idl-def-permissiondescriptor" data-title="PermissionDescriptor">
 
 dictionary <dfn data-export="" data-dfn-type="dictionary" id="dom-permissiondescriptor" data-idl="dictionary" data-title="PermissionDescriptor" data-dfn-for="" class="idlID" tabindex="0" aria-haspopup="dialog"><code>PermissionDescriptor</code></dfn> {<span data-idl="" class="idlMember" id="idl-def-permissiondescriptor-name" data-title="name" data-dfn-for="PermissionDescriptor">
-  required<span class="idlType"> <a href="#dom-permissionname" class="internalDFN" data-link-type="idl" id="ref-for-dom-permissionname-6"><code>PermissionName</code></a></span> <dfn data-export="" data-dfn-type="dict-member" id="dom-permissiondescriptor-name" data-idl="field" data-title="name" data-dfn-for="PermissionDescriptor" data-type="PermissionName" class="idlName" tabindex="0" aria-haspopup="dialog"><code>name</code></dfn>;</span>
+  required<span class="idlType"> <a href="#dom-permissionname" class="internalDFN" data-link-type="idl" id="ref-for-dom-permissionname-4"><code>PermissionName</code></a></span> <dfn data-export="" data-dfn-type="dict-member" id="dom-permissiondescriptor-name" data-idl="field" data-title="name" data-dfn-for="PermissionDescriptor" data-type="PermissionName" class="idlName" tabindex="0" aria-haspopup="dialog"><code>name</code></dfn>;</span>
 };</span></code></pre>
         <aside class="mdn"><details>
     <summary aria-label="Expand MDN details for query"><span>MDN</span><span> </span></summary>
@@ -1209,9 +1202,9 @@ <h2 id="subtitle" class="subtitle">
       <td>No</td>
     </tr>
   </table>
-  </details></aside><section id="query-method-0"><div class="header-wrapper"><h4 id="query-method"><bdi class="secno">3.2.1 </bdi>
+  </details></aside><section id="query-method-0"><div class="header-wrapper"><h4 id="query-method"><bdi class="secno">4.2.1 </bdi>
             <code>query()</code> method
-          </h4><a class="self-link" href="#query-method" aria-label="Permalink for Section 3.2.1"></a></div>
+          </h4><a class="self-link" href="#query-method" aria-label="Permalink for Section 4.2.1"></a></div>
           
           <p>
             When the <dfn data-export="" data-dfn-type="method" id="dom-permissions-query" data-idl="operation" data-title="query()" data-dfn-for="Permissions" data-type="Promise" data-lt="query()|query(permissionDesc)" data-local-lt="Permissions.query|Permissions.query()|query" tabindex="0" aria-haspopup="dialog"><code>query()</code></dfn> method is invoked, the <a data-type="dfn" href="https://infra.spec.whatwg.org/#user-agent">user agent</a> <em class="rfc2119">MUST</em> run the
@@ -1294,14 +1287,14 @@ <h2 id="subtitle" class="subtitle">
       <td>No</td>
     </tr>
   </table>
-  </details></aside><section data-dfn-for="PermissionStatus" id="permissionstatus-interface-0"><div class="header-wrapper"><h3 id="permissionstatus-interface"><bdi class="secno">3.3 </bdi>
+  </details></aside><section data-dfn-for="PermissionStatus" id="permissionstatus-interface-0"><div class="header-wrapper"><h3 id="permissionstatus-interface"><bdi class="secno">4.3 </bdi>
           <code>PermissionStatus</code> interface
-        </h3><a class="self-link" href="#permissionstatus-interface" aria-label="Permalink for Section 3.3"></a></div>
+        </h3><a class="self-link" href="#permissionstatus-interface" aria-label="Permalink for Section 4.3"></a></div>
         
-        <pre class="idl def" id="webidl-717592932"><span class="idlHeader"><a class="self-link" href="#webidl-717592932">WebIDL</a></span><code><span data-idl="" class="idlInterface" id="idl-def-permissionstatus" data-title="PermissionStatus">[<span class="extAttr"><a data-type="extended-attribute" href="https://webidl.spec.whatwg.org/#Exposed">Exposed</a>=(<a data-type="interface" href="https://html.spec.whatwg.org/multipage/window-object.html#window">Window</a>,<a data-lt="WorkerGlobalScope" data-type="interface" href="https://html.spec.whatwg.org/multipage/workers.html#workerglobalscope">Worker</a>)</span>]
+        <pre class="idl def" id="webidl-717592932"><span class="idlHeader"><a class="self-link" href="#webidl-717592932">WebIDL</a></span><code><span data-idl="" class="idlInterface" id="idl-def-permissionstatus" data-title="PermissionStatus">[<span class="extAttr"><a data-type="extended-attribute" href="https://webidl.spec.whatwg.org/#Exposed">Exposed</a>=(Window,Worker)</span>]
 interface <dfn data-export="" data-dfn-type="interface" id="dom-permissionstatus" data-idl="interface" data-title="PermissionStatus" data-dfn-for="" class="idlID" tabindex="0" aria-haspopup="dialog"><code>PermissionStatus</code></dfn> : <span class="idlSuperclass"><a data-type="interface" href="https://dom.spec.whatwg.org/#eventtarget">EventTarget</a></span> {<span data-idl="" class="idlAttribute" id="idl-def-permissionstatus-state" data-title="state" data-dfn-for="PermissionStatus">
   readonly attribute<span class="idlType"> <a href="#dom-permissionstate" class="internalDFN" data-link-type="idl" id="ref-for-dom-permissionstate-3"><code>PermissionState</code></a></span> <a class="internalDFN idlName" data-link-type="attribute" href="#dom-permissionstatus-state" id="ref-for-dom-permissionstatus-state-2"><code>state</code></a>;</span><span data-idl="" class="idlAttribute" id="idl-def-permissionstatus-name" data-title="name" data-dfn-for="PermissionStatus">
-  readonly attribute<span class="idlType"> <a href="#dom-permissionname" class="internalDFN" data-link-type="idl" id="ref-for-dom-permissionname-7"><code>PermissionName</code></a></span> <a class="internalDFN idlName" data-link-type="attribute" href="#dom-permissionstatus-name" id="ref-for-dom-permissionstatus-name-1"><code>name</code></a>;</span><span data-idl="" class="idlAttribute" id="idl-def-permissionstatus-onchange" data-title="onchange" data-dfn-for="PermissionStatus">
+  readonly attribute<span class="idlType"> <a href="#dom-permissionname" class="internalDFN" data-link-type="idl" id="ref-for-dom-permissionname-5"><code>PermissionName</code></a></span> <a class="internalDFN idlName" data-link-type="attribute" href="#dom-permissionstatus-name" id="ref-for-dom-permissionstatus-name-1"><code>name</code></a>;</span><span data-idl="" class="idlAttribute" id="idl-def-permissionstatus-onchange" data-title="onchange" data-dfn-for="PermissionStatus">
   attribute<span class="idlType"> <a data-type="typedef" href="https://html.spec.whatwg.org/multipage/webappapis.html#eventhandler">EventHandler</a></span> <a class="internalDFN idlName" data-link-type="attribute" href="#dom-permissionstatus-onchange" id="ref-for-dom-permissionstatus-onchange-1"><code>onchange</code></a>;</span>
 };</span><span data-idl="" class="idlEnum" id="idl-def-permissionstate" data-title="PermissionState">
 
@@ -1317,11 +1310,11 @@ <h2 id="subtitle" class="subtitle">
         <p data-dfn-for="PermissionState">
           The "<dfn data-export="" data-dfn-type="enum-value" id="dom-permissionstate-granted" data-idl="enum-value" data-title="granted" data-dfn-for="PermissionState" tabindex="0" aria-haspopup="dialog"><code>granted</code></dfn>", "<dfn data-export="" data-dfn-type="enum-value" id="dom-permissionstate-denied" data-idl="enum-value" data-title="denied" data-dfn-for="PermissionState" tabindex="0" aria-haspopup="dialog"><code>denied</code></dfn>", and "<dfn data-export="" data-dfn-type="enum-value" id="dom-permissionstate-prompt" data-idl="enum-value" data-title="prompt" data-dfn-for="PermissionState" tabindex="0" aria-haspopup="dialog"><code>prompt</code></dfn>" enum values
           represent the concepts of <a data-link-type="dfn" href="#dfn-granted" class="internalDFN" id="ref-for-dfn-granted-6">granted</a>, <a data-link-type="dfn" href="#dfn-denied" class="internalDFN" id="ref-for-dfn-denied-3">denied</a>, and
-          <a data-link-type="dfn" href="#dfn-prompt" class="internalDFN" id="ref-for-dfn-prompt-2">prompt</a> respectively.
+          <a data-link-type="dfn" href="#dfn-prompt" class="internalDFN" id="ref-for-dfn-prompt-3">prompt</a> respectively.
         </p>
-        <section id="creating-instances"><div class="header-wrapper"><h4 id="x3-3-1-creating-instances"><bdi class="secno">3.3.1 </bdi>
+        <section id="creating-instances"><div class="header-wrapper"><h4 id="x4-3-1-creating-instances"><bdi class="secno">4.3.1 </bdi>
             Creating instances
-          </h4><a class="self-link" href="#creating-instances" aria-label="Permalink for Section 3.3.1"></a></div>
+          </h4><a class="self-link" href="#creating-instances" aria-label="Permalink for Section 4.3.1"></a></div>
           
           <p>
             To <dfn class="export" data-export="" id="dfn-create-a-permissionstatus" tabindex="0" aria-haspopup="dialog" data-dfn-type="dfn">create a <code>PermissionStatus</code></dfn> for a given
@@ -1330,7 +1323,7 @@ <h2 id="subtitle" class="subtitle">
           <ol class="algorithm">
             <li>Let <var data-type="DOMString">name</var> be <var>permissionDesc</var>'s <a data-link-type="idl" href="#dom-permissiondescriptor-name" class="internalDFN" id="ref-for-dom-permissiondescriptor-name-10"><code>name</code></a>.
             </li>
-            <li class="assert">Assert: The <a data-link-type="dfn" href="#dfn-powerful-feature" class="internalDFN" id="ref-for-dfn-powerful-feature-25">feature</a> identified by <var data-type="DOMString">name</var> is supported by the user agent.
+            <li class="assert">Assert: The <a data-link-type="dfn" href="#dfn-powerful-feature" class="internalDFN" id="ref-for-dfn-powerful-feature-26">feature</a> identified by <var data-type="DOMString">name</var> is supported by the user agent.
             </li>
             <li>Let <var data-type="PermissionStatus">status</var> be a new instance of the <a data-link-type="dfn" href="#dfn-permission-result-type" class="internalDFN" id="ref-for-dfn-permission-result-type-3">permission result type</a> identified by <var data-type="DOMString">name</var>:
               <ol>
@@ -1391,9 +1384,9 @@ <h2 id="subtitle" class="subtitle">
       <td>No</td>
     </tr>
   </table>
-  </details></aside><section id="name-attribute"><div class="header-wrapper"><h4 id="x3-3-2-name-attribute"><bdi class="secno">3.3.2 </bdi>
+  </details></aside><section id="name-attribute"><div class="header-wrapper"><h4 id="x4-3-2-name-attribute"><bdi class="secno">4.3.2 </bdi>
             <code>name</code> attribute
-          </h4><a class="self-link" href="#name-attribute" aria-label="Permalink for Section 3.3.2"></a></div>
+          </h4><a class="self-link" href="#name-attribute" aria-label="Permalink for Section 4.3.2"></a></div>
           
           <p>
             The <dfn data-export="" data-dfn-type="attribute" id="dom-permissionstatus-name" data-idl="attribute" data-title="name" data-dfn-for="PermissionStatus" data-type="PermissionName" data-lt="name" data-local-lt="PermissionStatus.name" tabindex="0" aria-haspopup="dialog"><code>name</code></dfn> attribute returns the value it was initialized to.
@@ -1445,9 +1438,9 @@ <h2 id="subtitle" class="subtitle">
       <td>No</td>
     </tr>
   </table>
-  </details></aside><section id="state-attribute"><div class="header-wrapper"><h4 id="x3-3-3-state-attribute"><bdi class="secno">3.3.3 </bdi>
+  </details></aside><section id="state-attribute"><div class="header-wrapper"><h4 id="x4-3-3-state-attribute"><bdi class="secno">4.3.3 </bdi>
             <code>state</code> attribute
-          </h4><a class="self-link" href="#state-attribute" aria-label="Permalink for Section 3.3.3"></a></div>
+          </h4><a class="self-link" href="#state-attribute" aria-label="Permalink for Section 4.3.3"></a></div>
           
           <p>
             The <dfn data-export="" data-dfn-type="attribute" id="dom-permissionstatus-state" data-idl="attribute" data-title="state" data-dfn-for="PermissionStatus" data-type="PermissionState" data-lt="state" data-local-lt="PermissionStatus.state" tabindex="0" aria-haspopup="dialog"><code>state</code></dfn> attribute returns the latest value that was set on the current
@@ -1500,9 +1493,9 @@ <h2 id="subtitle" class="subtitle">
       <td>No</td>
     </tr>
   </table>
-  </details></aside><section id="onchange-attribute"><div class="header-wrapper"><h4 id="x3-3-4-onchange-attribute"><bdi class="secno">3.3.4 </bdi>
+  </details></aside><section id="onchange-attribute"><div class="header-wrapper"><h4 id="x4-3-4-onchange-attribute"><bdi class="secno">4.3.4 </bdi>
             <code>onchange</code> attribute
-          </h4><a class="self-link" href="#onchange-attribute" aria-label="Permalink for Section 3.3.4"></a></div>
+          </h4><a class="self-link" href="#onchange-attribute" aria-label="Permalink for Section 4.3.4"></a></div>
           
           <p>
             The <dfn data-export="" data-dfn-type="attribute" id="dom-permissionstatus-onchange" data-idl="attribute" data-title="onchange" data-dfn-for="PermissionStatus" data-type="EventHandler" data-lt="onchange" data-local-lt="PermissionStatus.onchange" tabindex="0" aria-haspopup="dialog"><code>onchange</code></dfn> attribute is an <a data-type="dfn" href="https://html.spec.whatwg.org/multipage/webappapis.html#event-handlers">event handler</a> whose corresponding
@@ -1524,9 +1517,9 @@ <h2 id="subtitle" class="subtitle">
             </li>
           </ol>
         </section>
-        <section id="garbage-collection"><div class="header-wrapper"><h4 id="permissionstatus-gc"><bdi class="secno">3.3.5 </bdi>
+        <section id="garbage-collection"><div class="header-wrapper"><h4 id="permissionstatus-gc"><bdi class="secno">4.3.5 </bdi>
             Garbage collection
-          </h4><a class="self-link" href="#permissionstatus-gc" aria-label="Permalink for Section 3.3.5"></a></div>
+          </h4><a class="self-link" href="#permissionstatus-gc" aria-label="Permalink for Section 4.3.5"></a></div>
           
           <p>
             A <a data-link-type="idl" data-lt="PermissionStatus" href="#dom-permissionstatus" class="internalDFN" id="ref-for-dom-permissionstatus-8"><code>PermissionStatus</code></a> object <em class="rfc2119">MUST NOT</em> be garbage collected if it has an <a data-link-type="dfn" data-type="dfn" href="https://dom.spec.whatwg.org/#concept-event-listener">event listener</a> whose type is <code>change</code>.
@@ -1948,9 +1941,9 @@ <h2 id="subtitle" class="subtitle">
       <td>60+</td>
     </tr>
   </table>
-  </details></aside><section data-dfn-for="PermissionName" id="powerful-features-registry"><div class="header-wrapper"><h2 id="x4-powerful-features-registry"><bdi class="secno">4. </bdi>
+  </details></aside><section data-dfn-for="PermissionName" id="powerful-features-registry"><div class="header-wrapper"><h2 id="x5-powerful-features-registry"><bdi class="secno">5. </bdi>
         Powerful features registry
-      </h2><a class="self-link" href="#powerful-features-registry" aria-label="Permalink for Section 4."></a></div>
+      </h2><a class="self-link" href="#powerful-features-registry" aria-label="Permalink for Section 5."></a></div>
       
       <pre class="idl def" id="webidl-1342630210"><span class="idlHeader"><a class="self-link" href="#webidl-1342630210">WebIDL</a></span><code><span data-idl="" class="idlEnum" id="idl-def-permissionname" data-title="PermissionName">enum <dfn data-export="" data-dfn-type="enum" id="dom-permissionname" data-idl="enum" data-title="PermissionName" data-dfn-for="" class="idlID" tabindex="0" aria-haspopup="dialog"><code>PermissionName</code></dfn> {
   <span class="idlEnumItem">"<a class="internalDFN" data-link-type="enum-value" href="#dom-permissionname-accelerometer" id="ref-for-dom-permissionname-accelerometer-1"><code>accelerometer</code></a>"</span>,
@@ -1964,7 +1957,7 @@ <h2 id="subtitle" class="subtitle">
   <span class="idlEnumItem">"<a class="internalDFN" data-link-type="enum-value" href="#dom-permissionname-gyroscope" id="ref-for-dom-permissionname-gyroscope-1"><code>gyroscope</code></a>"</span>,
   <span class="idlEnumItem">"<a class="internalDFN" data-link-type="enum-value" href="#dom-permissionname-magnetometer" id="ref-for-dom-permissionname-magnetometer-1"><code>magnetometer</code></a>"</span>,
   <span class="idlEnumItem">"<a class="internalDFN" data-link-type="enum-value" href="#dom-permissionname-microphone" id="ref-for-dom-permissionname-microphone-1"><code>microphone</code></a>"</span>,
-  <span class="idlEnumItem">"<a class="internalDFN" data-link-type="enum-value" href="#dom-permissionname-midi" id="ref-for-dom-permissionname-midi-3"><code>midi</code></a>"</span>,
+  <span class="idlEnumItem">"<a class="internalDFN" data-link-type="enum-value" href="#dom-permissionname-midi" id="ref-for-dom-permissionname-midi-1"><code>midi</code></a>"</span>,
   <span class="idlEnumItem">"<a class="internalDFN" data-link-type="enum-value" href="#dom-permissionname-nfc" id="ref-for-dom-permissionname-nfc-1"><code>nfc</code></a>"</span>,
   <span class="idlEnumItem">"<a class="internalDFN" data-link-type="enum-value" href="#dom-permissionname-notifications" id="ref-for-dom-permissionname-notifications-1"><code>notifications</code></a>"</span>,
   <span class="idlEnumItem">"<a class="internalDFN" data-link-type="enum-value" href="#dom-permissionname-persistent-storage" id="ref-for-dom-permissionname-persistent-storage-1"><code>persistent-storage</code></a>"</span>,
@@ -1974,79 +1967,79 @@ <h2 id="subtitle" class="subtitle">
   <span class="idlEnumItem">"<a class="internalDFN" data-link-type="enum-value" href="#dom-permissionname-xr-spatial-tracking" id="ref-for-dom-permissionname-xr-spatial-tracking-1"><code>xr-spatial-tracking</code></a>"</span>,
 };</span></code></pre>
       <p>
-        Each enumeration value in the <a data-link-type="idl" data-lt="PermissionName" href="#dom-permissionname" class="internalDFN" id="ref-for-dom-permissionname-8"><code>PermissionName</code></a> enum identifies a <a href="#dfn-powerful-feature" class="internalDFN" data-link-type="dfn" id="ref-for-dfn-powerful-feature-26">powerful feature</a>.
+        Each enumeration value in the <a data-link-type="idl" data-lt="PermissionName" href="#dom-permissionname" class="internalDFN" id="ref-for-dom-permissionname-6"><code>PermissionName</code></a> enum identifies a <a href="#dfn-powerful-feature" class="internalDFN" data-link-type="dfn" id="ref-for-dfn-powerful-feature-27">powerful feature</a>.
       </p>
       <p>
-        The <dfn data-export="" data-dfn-type="enum-value" id="dom-permissionname-accelerometer" data-idl="enum-value" data-title="accelerometer" data-dfn-for="PermissionName" tabindex="0" aria-haspopup="dialog"><code>accelerometer</code></dfn> enum value identifies the <cite><a data-matched-text="[[[?accelerometer]]]" href="https://www.w3.org/TR/accelerometer/">Accelerometer</a></cite> API <a data-link-type="dfn" href="#dfn-powerful-feature" class="internalDFN" id="ref-for-dfn-powerful-feature-27">powerful feature</a>.
+        The <dfn data-export="" data-dfn-type="enum-value" id="dom-permissionname-accelerometer" data-idl="enum-value" data-title="accelerometer" data-dfn-for="PermissionName" tabindex="0" aria-haspopup="dialog"><code>accelerometer</code></dfn> enum value identifies the <cite><a data-matched-text="[[[?accelerometer]]]" href="https://www.w3.org/TR/accelerometer/">Accelerometer</a></cite> API <a data-link-type="dfn" href="#dfn-powerful-feature" class="internalDFN" id="ref-for-dfn-powerful-feature-28">powerful feature</a>.
       </p>
       <p>
         The <dfn data-export="" data-dfn-type="enum-value" id="dom-permissionname-ambient-light-sensor" data-idl="enum-value" data-title="ambient-light-sensor" data-dfn-for="PermissionName" tabindex="0" aria-haspopup="dialog"><code>ambient-light-sensor</code></dfn> enum value identifies the <cite><a data-matched-text="[[[?ambient-light]]]" href="https://www.w3.org/TR/ambient-light/">Ambient Light Sensor</a></cite>
-        <a data-link-type="dfn" href="#dfn-powerful-feature" class="internalDFN" id="ref-for-dfn-powerful-feature-28">powerful feature</a>.
+        <a data-link-type="dfn" href="#dfn-powerful-feature" class="internalDFN" id="ref-for-dfn-powerful-feature-29">powerful feature</a>.
       </p>
       <p>
         The <dfn data-export="" data-dfn-type="enum-value" id="dom-permissionname-background-fetch" data-idl="enum-value" data-title="background-fetch" data-dfn-for="PermissionName" tabindex="0" aria-haspopup="dialog"><code>background-fetch</code></dfn> enum value identifies the <cite><a data-matched-text="[[[?background-fetch]]]" href="https://wicg.github.io/background-fetch/">Background Fetch</a></cite>
-        <a data-link-type="dfn" href="#dfn-powerful-feature" class="internalDFN" id="ref-for-dfn-powerful-feature-29">powerful feature</a>.
+        <a data-link-type="dfn" href="#dfn-powerful-feature" class="internalDFN" id="ref-for-dfn-powerful-feature-30">powerful feature</a>.
       </p>
       <p>
         The <dfn data-export="" data-dfn-type="enum-value" id="dom-permissionname-background-sync" data-idl="enum-value" data-title="background-sync" data-dfn-for="PermissionName" tabindex="0" aria-haspopup="dialog"><code>background-sync</code></dfn> enum value identifies the <cite><a data-matched-text="[[[?web-background-sync]]]" href="https://wicg.github.io/background-sync/spec/">Web Background Synchronization</a></cite>
-        <a data-link-type="dfn" href="#dfn-powerful-feature" class="internalDFN" id="ref-for-dfn-powerful-feature-30">powerful feature</a>.
+        <a data-link-type="dfn" href="#dfn-powerful-feature" class="internalDFN" id="ref-for-dfn-powerful-feature-31">powerful feature</a>.
       </p>
       <p>
-        The <dfn data-export="" data-dfn-type="enum-value" id="dom-permissionname-bluetooth" data-idl="enum-value" data-title="bluetooth" data-dfn-for="PermissionName" tabindex="0" aria-haspopup="dialog"><code>bluetooth</code></dfn> enum value identifies the <cite><a data-matched-text="[[[?web-bluetooth]]]" href="https://webbluetoothcg.github.io/web-bluetooth/">Web Bluetooth</a></cite> <a data-link-type="dfn" href="#dfn-powerful-feature" class="internalDFN" id="ref-for-dfn-powerful-feature-31">powerful feature</a>.
+        The <dfn data-export="" data-dfn-type="enum-value" id="dom-permissionname-bluetooth" data-idl="enum-value" data-title="bluetooth" data-dfn-for="PermissionName" tabindex="0" aria-haspopup="dialog"><code>bluetooth</code></dfn> enum value identifies the <cite><a data-matched-text="[[[?web-bluetooth]]]" href="https://webbluetoothcg.github.io/web-bluetooth/">Web Bluetooth</a></cite> <a data-link-type="dfn" href="#dfn-powerful-feature" class="internalDFN" id="ref-for-dfn-powerful-feature-32">powerful feature</a>.
       </p>
       <p>
         The <dfn data-export="" data-dfn-type="enum-value" id="dom-permissionname-camera" data-idl="enum-value" data-title="camera" data-dfn-for="PermissionName" tabindex="0" aria-haspopup="dialog"><code>camera</code></dfn> and <dfn data-export="" data-dfn-type="enum-value" id="dom-permissionname-microphone" data-idl="enum-value" data-title="microphone" data-dfn-for="PermissionName" tabindex="0" aria-haspopup="dialog"><code>microphone</code></dfn> enum values identify the
-        <cite><a data-matched-text="[[[?mediacapture-streams]]]" href="https://www.w3.org/TR/mediacapture-streams/">Media Capture and Streams</a></cite> <a data-link-type="dfn" href="#dfn-powerful-feature" class="internalDFN" id="ref-for-dfn-powerful-feature-32">powerful features</a>.
+        <cite><a data-matched-text="[[[?mediacapture-streams]]]" href="https://www.w3.org/TR/mediacapture-streams/">Media Capture and Streams</a></cite> <a data-link-type="dfn" href="#dfn-powerful-feature" class="internalDFN" id="ref-for-dfn-powerful-feature-33">powerful features</a>.
       </p>
       <p>
-        The <dfn data-export="" data-dfn-type="enum-value" id="dom-permissionname-display-capture" data-idl="enum-value" data-title="display-capture" data-dfn-for="PermissionName" tabindex="0" aria-haspopup="dialog"><code>display-capture</code></dfn> enum value identifies the <cite><a data-matched-text="[[[?screen-capture]]]" href="https://www.w3.org/TR/screen-capture/">Screen Capture</a></cite> <a data-link-type="dfn" href="#dfn-powerful-feature" class="internalDFN" id="ref-for-dfn-powerful-feature-33">powerful feature</a>.
+        The <dfn data-export="" data-dfn-type="enum-value" id="dom-permissionname-display-capture" data-idl="enum-value" data-title="display-capture" data-dfn-for="PermissionName" tabindex="0" aria-haspopup="dialog"><code>display-capture</code></dfn> enum value identifies the <cite><a data-matched-text="[[[?screen-capture]]]" href="https://www.w3.org/TR/screen-capture/">Screen Capture</a></cite> <a data-link-type="dfn" href="#dfn-powerful-feature" class="internalDFN" id="ref-for-dfn-powerful-feature-34">powerful feature</a>.
       </p>
       <p>
-        The <dfn data-export="" data-dfn-type="enum-value" id="dom-permissionname-geolocation" data-idl="enum-value" data-title="geolocation" data-dfn-for="PermissionName" tabindex="0" aria-haspopup="dialog"><code>geolocation</code></dfn> enum value identifies the <cite><a data-matched-text="[[[?Geolocation]]]" href="https://www.w3.org/TR/geolocation/">Geolocation API</a></cite> <a data-link-type="dfn" href="#dfn-powerful-feature" class="internalDFN" id="ref-for-dfn-powerful-feature-34">powerful feature</a>.
+        The <dfn data-export="" data-dfn-type="enum-value" id="dom-permissionname-geolocation" data-idl="enum-value" data-title="geolocation" data-dfn-for="PermissionName" tabindex="0" aria-haspopup="dialog"><code>geolocation</code></dfn> enum value identifies the <cite><a data-matched-text="[[[?Geolocation]]]" href="https://www.w3.org/TR/geolocation/">Geolocation API</a></cite> <a data-link-type="dfn" href="#dfn-powerful-feature" class="internalDFN" id="ref-for-dfn-powerful-feature-35">powerful feature</a>.
       </p>
       <p>
-        The <dfn data-export="" data-dfn-type="enum-value" id="dom-permissionname-gyroscope" data-idl="enum-value" data-title="gyroscope" data-dfn-for="PermissionName" tabindex="0" aria-haspopup="dialog"><code>gyroscope</code></dfn> enum value identifies the <cite><a data-matched-text="[[[?gyroscope]]]" href="https://www.w3.org/TR/gyroscope/">Gyroscope</a></cite> API <a data-link-type="dfn" href="#dfn-powerful-feature" class="internalDFN" id="ref-for-dfn-powerful-feature-35">powerful feature</a>.
+        The <dfn data-export="" data-dfn-type="enum-value" id="dom-permissionname-gyroscope" data-idl="enum-value" data-title="gyroscope" data-dfn-for="PermissionName" tabindex="0" aria-haspopup="dialog"><code>gyroscope</code></dfn> enum value identifies the <cite><a data-matched-text="[[[?gyroscope]]]" href="https://www.w3.org/TR/gyroscope/">Gyroscope</a></cite> API <a data-link-type="dfn" href="#dfn-powerful-feature" class="internalDFN" id="ref-for-dfn-powerful-feature-36">powerful feature</a>.
       </p>
       <p>
-        The <dfn data-export="" data-dfn-type="enum-value" id="dom-permissionname-magnetometer" data-idl="enum-value" data-title="magnetometer" data-dfn-for="PermissionName" tabindex="0" aria-haspopup="dialog"><code>magnetometer</code></dfn> enum value identifies the <cite><a data-matched-text="[[[?magnetometer]]]" href="https://www.w3.org/TR/magnetometer/">Magnetometer</a></cite> API <a data-link-type="dfn" href="#dfn-powerful-feature" class="internalDFN" id="ref-for-dfn-powerful-feature-36">powerful feature</a>.
+        The <dfn data-export="" data-dfn-type="enum-value" id="dom-permissionname-magnetometer" data-idl="enum-value" data-title="magnetometer" data-dfn-for="PermissionName" tabindex="0" aria-haspopup="dialog"><code>magnetometer</code></dfn> enum value identifies the <cite><a data-matched-text="[[[?magnetometer]]]" href="https://www.w3.org/TR/magnetometer/">Magnetometer</a></cite> API <a data-link-type="dfn" href="#dfn-powerful-feature" class="internalDFN" id="ref-for-dfn-powerful-feature-37">powerful feature</a>.
       </p>
       <p>
-        The <dfn data-export="" data-dfn-type="enum-value" id="dom-permissionname-midi" data-idl="enum-value" data-title="midi" data-dfn-for="PermissionName" tabindex="0" aria-haspopup="dialog"><code>midi</code></dfn> enum value identifies the <cite><a data-matched-text="[[[?webmidi]]]" href="https://www.w3.org/TR/webmidi/">Web MIDI API</a></cite> <a data-link-type="dfn" href="#dfn-powerful-feature" class="internalDFN" id="ref-for-dfn-powerful-feature-37">powerful feature</a>.
+        The <dfn data-export="" data-dfn-type="enum-value" id="dom-permissionname-midi" data-idl="enum-value" data-title="midi" data-dfn-for="PermissionName" tabindex="0" aria-haspopup="dialog"><code>midi</code></dfn> enum value identifies the <cite><a data-matched-text="[[[?webmidi]]]" href="https://www.w3.org/TR/webmidi/">Web MIDI API</a></cite> <a data-link-type="dfn" href="#dfn-powerful-feature" class="internalDFN" id="ref-for-dfn-powerful-feature-38">powerful feature</a>.
       </p>
       <p>
-        The <dfn data-export="" data-dfn-type="enum-value" id="dom-permissionname-nfc" data-idl="enum-value" data-title="nfc" data-dfn-for="PermissionName" tabindex="0" aria-haspopup="dialog"><code>nfc</code></dfn> enum value identifies the <cite><a data-matched-text="[[[?web-nfc]]]" href="https://w3c.github.io/web-nfc/">Web NFC API</a></cite> <a data-link-type="dfn" href="#dfn-powerful-feature" class="internalDFN" id="ref-for-dfn-powerful-feature-38">powerful feature</a>.
+        The <dfn data-export="" data-dfn-type="enum-value" id="dom-permissionname-nfc" data-idl="enum-value" data-title="nfc" data-dfn-for="PermissionName" tabindex="0" aria-haspopup="dialog"><code>nfc</code></dfn> enum value identifies the <cite><a data-matched-text="[[[?web-nfc]]]" href="https://w3c.github.io/web-nfc/">Web NFC API</a></cite> <a data-link-type="dfn" href="#dfn-powerful-feature" class="internalDFN" id="ref-for-dfn-powerful-feature-39">powerful feature</a>.
       </p>
       <p>
-        The <dfn data-export="" data-dfn-type="enum-value" id="dom-permissionname-notifications" data-idl="enum-value" data-title="notifications" data-dfn-for="PermissionName" tabindex="0" aria-haspopup="dialog"><code>notifications</code></dfn> enum value identifies the <cite><a data-matched-text="[[[?notifications]]]" href="https://notifications.spec.whatwg.org/">Notifications API Standard</a></cite> <a data-link-type="dfn" href="#dfn-powerful-feature" class="internalDFN" id="ref-for-dfn-powerful-feature-39">powerful feature</a>.
+        The <dfn data-export="" data-dfn-type="enum-value" id="dom-permissionname-notifications" data-idl="enum-value" data-title="notifications" data-dfn-for="PermissionName" tabindex="0" aria-haspopup="dialog"><code>notifications</code></dfn> enum value identifies the <cite><a data-matched-text="[[[?notifications]]]" href="https://notifications.spec.whatwg.org/">Notifications API Standard</a></cite> <a data-link-type="dfn" href="#dfn-powerful-feature" class="internalDFN" id="ref-for-dfn-powerful-feature-40">powerful feature</a>.
       </p>
       <p>
-        The <dfn data-export="" data-dfn-type="enum-value" id="dom-permissionname-persistent-storage" data-idl="enum-value" data-title="persistent-storage" data-dfn-for="PermissionName" tabindex="0" aria-haspopup="dialog"><code>persistent-storage</code></dfn> enum value identifies the <cite><a data-matched-text="[[[?storage]]]" href="https://storage.spec.whatwg.org/">Storage Standard</a></cite> <a data-link-type="dfn" href="#dfn-powerful-feature" class="internalDFN" id="ref-for-dfn-powerful-feature-40">powerful feature</a>.
+        The <dfn data-export="" data-dfn-type="enum-value" id="dom-permissionname-persistent-storage" data-idl="enum-value" data-title="persistent-storage" data-dfn-for="PermissionName" tabindex="0" aria-haspopup="dialog"><code>persistent-storage</code></dfn> enum value identifies the <cite><a data-matched-text="[[[?storage]]]" href="https://storage.spec.whatwg.org/">Storage Standard</a></cite> <a data-link-type="dfn" href="#dfn-powerful-feature" class="internalDFN" id="ref-for-dfn-powerful-feature-41">powerful feature</a>.
       </p>
       <p>
-        The <dfn data-export="" data-dfn-type="enum-value" id="dom-permissionname-push" data-idl="enum-value" data-title="push" data-dfn-for="PermissionName" tabindex="0" aria-haspopup="dialog"><code>push</code></dfn> enum value identifies the <cite><a data-matched-text="[[[?push-api]]]" href="https://www.w3.org/TR/push-api/">Push API</a></cite> <a data-link-type="dfn" href="#dfn-powerful-feature" class="internalDFN" id="ref-for-dfn-powerful-feature-41">powerful feature</a>.
+        The <dfn data-export="" data-dfn-type="enum-value" id="dom-permissionname-push" data-idl="enum-value" data-title="push" data-dfn-for="PermissionName" tabindex="0" aria-haspopup="dialog"><code>push</code></dfn> enum value identifies the <cite><a data-matched-text="[[[?push-api]]]" href="https://www.w3.org/TR/push-api/">Push API</a></cite> <a data-link-type="dfn" href="#dfn-powerful-feature" class="internalDFN" id="ref-for-dfn-powerful-feature-42">powerful feature</a>.
       </p>
       <p>
-        The <dfn data-export="" data-dfn-type="enum-value" id="dom-permissionname-speaker-selection" data-idl="enum-value" data-title="speaker-selection" data-dfn-for="PermissionName" tabindex="0" aria-haspopup="dialog"><code>speaker-selection</code></dfn> enum value identifies the <cite><a data-matched-text="[[[?audio-output]]]" href="https://www.w3.org/TR/audio-output/">Audio Output Devices API</a></cite> <a data-link-type="dfn" href="#dfn-powerful-feature" class="internalDFN" id="ref-for-dfn-powerful-feature-42">powerful feature</a>.
+        The <dfn data-export="" data-dfn-type="enum-value" id="dom-permissionname-speaker-selection" data-idl="enum-value" data-title="speaker-selection" data-dfn-for="PermissionName" tabindex="0" aria-haspopup="dialog"><code>speaker-selection</code></dfn> enum value identifies the <cite><a data-matched-text="[[[?audio-output]]]" href="https://www.w3.org/TR/audio-output/">Audio Output Devices API</a></cite> <a data-link-type="dfn" href="#dfn-powerful-feature" class="internalDFN" id="ref-for-dfn-powerful-feature-43">powerful feature</a>.
       </p>
       <p>
         The <dfn data-export="" data-dfn-type="enum-value" id="dom-permissionname-xr-spatial-tracking" data-idl="enum-value" data-title="xr-spatial-tracking" data-dfn-for="PermissionName" tabindex="0" aria-haspopup="dialog"><code>xr-spatial-tracking</code></dfn> enum value identifies the <cite><a data-matched-text="[[[?webxr]]]" href="https://www.w3.org/TR/webxr/">WebXR Device API</a></cite> Device API
-        <a data-link-type="dfn" href="#dfn-powerful-feature" class="internalDFN" id="ref-for-dfn-powerful-feature-43">powerful feature</a>.
+        <a data-link-type="dfn" href="#dfn-powerful-feature" class="internalDFN" id="ref-for-dfn-powerful-feature-44">powerful feature</a>.
       </p>
-      <section id="screen-wake-lock-0"><div class="header-wrapper"><h3 id="screen-wake-lock"><bdi class="secno">4.1 </bdi>
+      <section id="screen-wake-lock-0"><div class="header-wrapper"><h3 id="screen-wake-lock"><bdi class="secno">5.1 </bdi>
           Screen wake lock
-        </h3><a class="self-link" href="#screen-wake-lock" aria-label="Permalink for Section 4.1"></a></div>
+        </h3><a class="self-link" href="#screen-wake-lock" aria-label="Permalink for Section 5.1"></a></div>
         
         <p>
           The <dfn data-export="" data-dfn-type="enum-value" id="dom-permissionname-screen-wake-lock" data-idl="enum-value" data-title="screen-wake-lock" data-dfn-for="PermissionName" tabindex="0" aria-haspopup="dialog"><code>screen-wake-lock</code></dfn> enum value identifies the <cite><a data-matched-text="[[[screen-wake-lock]]]" href="https://www.w3.org/TR/screen-wake-lock/">Screen Wake Lock API</a></cite>
-          <a data-link-type="dfn" href="#dfn-powerful-feature" class="internalDFN" id="ref-for-dfn-powerful-feature-44">powerful feature</a>. It is a <a data-link-type="dfn" href="#dfn-default-powerful-feature" class="internalDFN" id="ref-for-dfn-default-powerful-feature-1">default powerful feature</a>.
+          <a data-link-type="dfn" href="#dfn-powerful-feature" class="internalDFN" id="ref-for-dfn-powerful-feature-45">powerful feature</a>. It is a <a data-link-type="dfn" href="#dfn-default-powerful-feature" class="internalDFN" id="ref-for-dfn-default-powerful-feature-1">default powerful feature</a>.
         </p>
         <div class="issue" id="issue-container-generatedID-6"><div role="heading" class="issue-title marker" id="h-issue-0" aria-level="4"><span>Issue</span></div><p class="">
-          This <a data-link-type="dfn" href="#dfn-powerful-feature" class="internalDFN" id="ref-for-dfn-powerful-feature-45">powerful feature</a> only has a single implementation, and therefore, as per the <abbr title="World Wide Web Consortium">W3C</abbr>
+          This <a data-link-type="dfn" href="#dfn-powerful-feature" class="internalDFN" id="ref-for-dfn-powerful-feature-46">powerful feature</a> only has a single implementation, and therefore, as per the <abbr title="World Wide Web Consortium">W3C</abbr>
           Process, it is <a data-link-type="dfn" href="#dfn-at-risk" class="internalDFN" id="ref-for-dfn-at-risk-1">at risk</a>.
         </p></div>
       </section>
     </section>
-    <section id="conformance"><div class="header-wrapper"><h2 id="x5-conformance"><bdi class="secno">5. </bdi>Conformance</h2><a class="self-link" href="#conformance" aria-label="Permalink for Section 5."></a></div><p>As well as sections marked as non-normative, all authoring guidelines, diagrams, examples, and notes in this specification are non-normative. Everything else in this specification is normative.</p><p>
+    <section id="conformance"><div class="header-wrapper"><h2 id="x6-conformance"><bdi class="secno">6. </bdi>Conformance</h2><a class="self-link" href="#conformance" aria-label="Permalink for Section 6."></a></div><p>As well as sections marked as non-normative, all authoring guidelines, diagrams, examples, and notes in this specification are non-normative. Everything else in this specification is normative.</p><p>
         The key words <em class="rfc2119">MAY</em>, <em class="rfc2119">MUST</em>, <em class="rfc2119">MUST NOT</em>, and <em class="rfc2119">SHOULD</em> in this document
         are to be interpreted as described in
         <a href="https://datatracker.ietf.org/doc/html/bcp14">BCP 14</a>
@@ -2063,7 +2056,7 @@ <h2 id="subtitle" class="subtitle">
         Nevertheless, the two specifications do explicitly overlap.
       </p>
       <p>
-        On the one hand, this specification exclusively concerns itself with <a data-link-type="dfn" href="#dfn-powerful-feature" class="internalDFN" id="ref-for-dfn-powerful-feature-46">powerful features</a>
+        On the one hand, this specification exclusively concerns itself with <a data-link-type="dfn" href="#dfn-powerful-feature" class="internalDFN" id="ref-for-dfn-powerful-feature-47">powerful features</a>
         whose access is managed through a user-agent mediated permissions UI (i.e., permissions
         where the user gives express consent before that feature can be used, and where the user
         retains the ability to deny that permission at any time for any reason). These powerful
@@ -2071,7 +2064,7 @@ <h2 id="subtitle" class="subtitle">
       </p>
       <p>
         On the other hand, the <cite><a data-matched-text="[[[Permissions-Policy]]]" href="https://www.w3.org/TR/permissions-policy-1/">Permissions Policy</a></cite> specification allows developers to
-        selectively enable and disable <a data-link-type="dfn" href="#dfn-powerful-feature" class="internalDFN" id="ref-for-dfn-powerful-feature-47">powerful features</a> through a "<a data-link-type="dfn" data-type="dfn" href="https://html.spec.whatwg.org/multipage/dom.html#concept-document-permissions-policy">permissions policy</a>" (be it a HTTP header or a the <code><a data-type="element-attr" href="https://html.spec.whatwg.org/multipage/iframe-embed-object.html#attr-iframe-allow">allow</a></code> attribute). The APIs and features
+        selectively enable and disable <a data-link-type="dfn" href="#dfn-powerful-feature" class="internalDFN" id="ref-for-dfn-powerful-feature-48">powerful features</a> through a "<a data-link-type="dfn" data-type="dfn" href="https://html.spec.whatwg.org/multipage/dom.html#concept-document-permissions-policy">permissions policy</a>" (be it a HTTP header or a the <code><a data-type="element-attr" href="https://html.spec.whatwg.org/multipage/iframe-embed-object.html#attr-iframe-allow">allow</a></code> attribute). The APIs and features
         in scope for the <cite><a data-matched-text="[[[Permissions-Policy]]]" href="https://www.w3.org/TR/permissions-policy-1/">Permissions Policy</a></cite> specification go beyond those identified in the
         <cite><a data-matched-text="[[[powerful-feature-registry]]]" href="https://w3c.github.io/powerful-features-registry/">Registry of Powerful Features</a></cite> (e.g., "sync-xhr" and "gamepad"). In that sense, the
         Permissions Policy subsumes this specification in that <cite><a data-matched-text="[[[Permissions-Policy]]]" href="https://www.w3.org/TR/permissions-policy-1/">Permissions Policy</a></cite> governs
@@ -2079,7 +2072,7 @@ <h2 id="subtitle" class="subtitle">
       </p>
       <p>
         A powerful feature that has been disabled by the <cite><a data-matched-text="[[[Permissions-Policy]]]" href="https://www.w3.org/TR/permissions-policy-1/">Permissions Policy</a></cite> specification
-        always has its <a data-link-type="dfn" href="#dfn-state" class="internalDFN" id="ref-for-dfn-state-14">permission state</a> reflected as "denied" by this specification. This
+        always has its <a data-link-type="dfn" href="#dfn-state" class="internalDFN" id="ref-for-dfn-state-15">permission state</a> reflected as "denied" by this specification. This
         occurs because <a data-link-type="dfn" data-lt="getting the current permission state" href="#dfn-getting-the-current-permission-state" class="internalDFN" id="ref-for-dfn-getting-the-current-permission-state-1">reading the current permission</a>
         relies on [<cite><a class="bibref" data-link-type="biblio" href="#bib-html" title="HTML Standard">HTML</a></cite>]'s "<a data-link-type="dfn" data-type="dfn" href="https://html.spec.whatwg.org/multipage/iframe-embed-object.html#allowed-to-use">allowed to use</a>" check, which itself calls into the
         <cite><a data-matched-text="[[[Permissions-Policy]]]" href="https://www.w3.org/TR/permissions-policy-1/">Permissions Policy</a></cite> specification. Important to note here is the sharing of permission
@@ -2091,7 +2084,7 @@ <h2 id="subtitle" class="subtitle">
       <p>
         Finally, it's not possible for a powerful feature to ever become "granted" through any
         means provided by the <cite><a data-matched-text="[[[Permissions-Policy]]]" href="https://www.w3.org/TR/permissions-policy-1/">Permissions Policy</a></cite> specification. The only way that a
-        <a data-link-type="dfn" href="#dfn-powerful-feature" class="internalDFN" id="ref-for-dfn-powerful-feature-48">powerful feature</a> can be <a data-link-type="dfn" href="#dfn-granted" class="internalDFN" id="ref-for-dfn-granted-7">granted</a> is by the user giving <a data-link-type="dfn" href="#dfn-express-permission" class="internalDFN" id="ref-for-dfn-express-permission-7">express permission</a> or by some user agent policy.
+        <a data-link-type="dfn" href="#dfn-powerful-feature" class="internalDFN" id="ref-for-dfn-powerful-feature-49">powerful feature</a> can be <a data-link-type="dfn" href="#dfn-granted" class="internalDFN" id="ref-for-dfn-granted-7">granted</a> is by the user giving <a data-link-type="dfn" href="#dfn-express-permission" class="internalDFN" id="ref-for-dfn-express-permission-7">express permission</a> or by some user agent policy.
       </p>
     </section>
     <section class="appendix informative" id="automated-testing"><div class="header-wrapper"><h2 id="automation"><bdi class="secno">B. </bdi>
@@ -2107,7 +2100,7 @@ <h2 id="subtitle" class="subtitle">
       </h2><a class="self-link" href="#privacy-considerations" aria-label="Permalink for Appendix C."></a></div>
       
       <p>
-        An adversary could use a <a href="#dfn-state" class="internalDFN" data-link-type="dfn" id="ref-for-dfn-state-15">permission state</a> as an element in creating a "fingerprint"
+        An adversary could use a <a href="#dfn-state" class="internalDFN" data-link-type="dfn" id="ref-for-dfn-state-16">permission state</a> as an element in creating a "fingerprint"
         corresponding to an end-user. Although an adversary can already determine the state of a
         permission by actually using the API, that often leads to a UI prompt being presented to
         the end-user (if the permission was not already <a data-link-type="dfn" href="#dfn-granted" class="internalDFN" id="ref-for-dfn-granted-8">granted</a>). Even though this
@@ -2116,7 +2109,7 @@ <h2 id="subtitle" class="subtitle">
       </p>
       <p>
         A user agent <em class="rfc2119">SHOULD</em> provide a means for the user to review, update, and reset the
-        <a data-link-type="dfn" href="#dfn-permission" class="internalDFN" id="ref-for-dfn-permission-11">permission</a> <a data-link-type="dfn" href="#dfn-states" class="internalDFN" id="ref-for-dfn-states-3">state</a> of <a data-link-type="dfn" href="#dfn-powerful-feature" class="internalDFN" id="ref-for-dfn-powerful-feature-49">powerful features</a> associated with a realm or
+        <a data-link-type="dfn" href="#dfn-permission" class="internalDFN" id="ref-for-dfn-permission-11">permission</a> <a data-link-type="dfn" href="#dfn-states" class="internalDFN" id="ref-for-dfn-states-3">state</a> of <a data-link-type="dfn" href="#dfn-powerful-feature" class="internalDFN" id="ref-for-dfn-powerful-feature-50">powerful features</a> associated with a realm or
         origin.
       </p>
     </section>
@@ -2130,29 +2123,29 @@ <h2 id="subtitle" class="subtitle">
         Privacy considerations</a>.
       </p>
     </section>
-    <section id="idl-index"><div class="header-wrapper"><h2 id="e-idl-index"><bdi class="secno">E. </bdi>IDL Index</h2><a class="self-link" href="#idl-index" aria-label="Permalink for Section E."></a></div><pre class="idl def" id="actual-idl-index"><span class="idlHeader"><a class="self-link" href="#actual-idl-index">WebIDL</a></span><code><span data-idl="" class="idlInterface" data-title="Navigator">[<span class="extAttr"><a data-type="extended-attribute" href="https://webidl.spec.whatwg.org/#Exposed">Exposed</a>=(<a data-type="interface" href="https://html.spec.whatwg.org/multipage/window-object.html#window">Window</a>)</span>]
+    <section id="idl-index"><div class="header-wrapper"><h2 id="e-idl-index"><bdi class="secno">E. </bdi>IDL Index</h2><a class="self-link" href="#idl-index" aria-label="Permalink for Section E."></a></div><pre class="idl def" id="actual-idl-index"><span class="idlHeader"><a class="self-link" href="#actual-idl-index">WebIDL</a></span><code><span data-idl="" class="idlInterface" data-title="Navigator">[<span class="extAttr"><a data-type="extended-attribute" href="https://webidl.spec.whatwg.org/#Exposed">Exposed</a>=(Window)</span>]
 partial interface <a data-idl="partial" data-link-type="interface" data-title="Navigator" class="idlID" data-dfn-for="Navigator" data-type="interface" href="https://html.spec.whatwg.org/multipage/system-state.html#navigator">Navigator</a> {<span data-idl="" class="idlAttribute" data-title="permissions" data-dfn-for="Navigator">
   [<span class="extAttr"><a data-type="extended-attribute" href="https://webidl.spec.whatwg.org/#SameObject">SameObject</a></span>] readonly attribute<span class="idlType"> <a href="#dfn-permission" class="internalDFN" data-link-type="dfn" id="ref-for-dfn-permission-12">Permissions</a></span> <dfn data-export="" data-dfn-type="attribute" data-idl="attribute" data-title="permissions" data-dfn-for="Navigator" data-type="Permissions" data-lt="permissions" data-local-lt="Navigator.permissions" class="idlName"><code>permissions</code></dfn>;</span>
 };</span><span data-idl="" class="idlInterface" data-title="WorkerNavigator">
 
-[<span class="extAttr"><a data-type="extended-attribute" href="https://webidl.spec.whatwg.org/#Exposed">Exposed</a>=(<a data-lt="WorkerGlobalScope" data-type="interface" href="https://html.spec.whatwg.org/multipage/workers.html#workerglobalscope">Worker</a>)</span>]
+[<span class="extAttr"><a data-type="extended-attribute" href="https://webidl.spec.whatwg.org/#Exposed">Exposed</a>=(Worker)</span>]
 partial interface <a data-idl="partial" data-link-type="interface" data-title="WorkerNavigator" class="idlID" data-dfn-for="WorkerNavigator" data-type="interface" href="https://html.spec.whatwg.org/multipage/workers.html#workernavigator">WorkerNavigator</a> {<span data-idl="" class="idlAttribute" data-title="permissions" data-dfn-for="WorkerNavigator">
   [<span class="extAttr"><a data-type="extended-attribute" href="https://webidl.spec.whatwg.org/#SameObject">SameObject</a></span>] readonly attribute<span class="idlType"> <a href="#dfn-permission" class="internalDFN" data-link-type="dfn" id="ref-for-dfn-permission-13">Permissions</a></span> <dfn data-export="" data-dfn-type="attribute" data-idl="attribute" data-title="permissions" data-dfn-for="WorkerNavigator" data-type="Permissions" data-lt="permissions" data-local-lt="WorkerNavigator.permissions" class="idlName"><code>permissions</code></dfn>;</span>
 };</span>
 
-<span data-idl="" class="idlInterface" data-title="Permissions">[<span class="extAttr"><a data-type="extended-attribute" href="https://webidl.spec.whatwg.org/#Exposed">Exposed</a>=(<a data-type="interface" href="https://html.spec.whatwg.org/multipage/window-object.html#window">Window</a>,<a data-lt="WorkerGlobalScope" data-type="interface" href="https://html.spec.whatwg.org/multipage/workers.html#workerglobalscope">Worker</a>)</span>]
+<span data-idl="" class="idlInterface" data-title="Permissions">[<span class="extAttr"><a data-type="extended-attribute" href="https://webidl.spec.whatwg.org/#Exposed">Exposed</a>=(Window,Worker)</span>]
 interface <dfn data-export="" data-dfn-type="interface" data-idl="interface" data-title="Permissions" data-dfn-for="" class="idlID"><code>Permissions</code></dfn> {<span data-idl="" class="idlMethod" data-title="query" data-dfn-for="Permissions"><span class="idlType">
   <a data-type="interface" href="https://webidl.spec.whatwg.org/#idl-promise">Promise</a>&lt;<a href="#dom-permissionstatus" class="internalDFN" data-link-type="idl" id="ref-for-dom-permissionstatus-9"><code>PermissionStatus</code></a>&gt;</span> <a class="internalDFN idlName" data-link-type="method" href="#dom-permissions-query" id="ref-for-dom-permissions-query-3"><code>query</code></a>(<span class="idlType"><a data-type="interface" href="https://webidl.spec.whatwg.org/#idl-object">object</a></span> <span class="idlParamName">permissionDesc</span>);</span>
 };</span><span data-idl="" class="idlDictionary" data-title="PermissionDescriptor">
 
 dictionary <dfn data-export="" data-dfn-type="dictionary" data-idl="dictionary" data-title="PermissionDescriptor" data-dfn-for="" class="idlID"><code>PermissionDescriptor</code></dfn> {<span data-idl="" class="idlMember" data-title="name" data-dfn-for="PermissionDescriptor">
-  required<span class="idlType"> <a href="#dom-permissionname" class="internalDFN" data-link-type="idl" id="ref-for-dom-permissionname-9"><code>PermissionName</code></a></span> <dfn data-export="" data-dfn-type="dict-member" data-idl="field" data-title="name" data-dfn-for="PermissionDescriptor" data-type="PermissionName" class="idlName"><code>name</code></dfn>;</span>
+  required<span class="idlType"> <a href="#dom-permissionname" class="internalDFN" data-link-type="idl" id="ref-for-dom-permissionname-7"><code>PermissionName</code></a></span> <dfn data-export="" data-dfn-type="dict-member" data-idl="field" data-title="name" data-dfn-for="PermissionDescriptor" data-type="PermissionName" class="idlName"><code>name</code></dfn>;</span>
 };</span>
 
-<span data-idl="" class="idlInterface" data-title="PermissionStatus">[<span class="extAttr"><a data-type="extended-attribute" href="https://webidl.spec.whatwg.org/#Exposed">Exposed</a>=(<a data-type="interface" href="https://html.spec.whatwg.org/multipage/window-object.html#window">Window</a>,<a data-lt="WorkerGlobalScope" data-type="interface" href="https://html.spec.whatwg.org/multipage/workers.html#workerglobalscope">Worker</a>)</span>]
+<span data-idl="" class="idlInterface" data-title="PermissionStatus">[<span class="extAttr"><a data-type="extended-attribute" href="https://webidl.spec.whatwg.org/#Exposed">Exposed</a>=(Window,Worker)</span>]
 interface <dfn data-export="" data-dfn-type="interface" data-idl="interface" data-title="PermissionStatus" data-dfn-for="" class="idlID"><code>PermissionStatus</code></dfn> : <span class="idlSuperclass"><a data-type="interface" href="https://dom.spec.whatwg.org/#eventtarget">EventTarget</a></span> {<span data-idl="" class="idlAttribute" data-title="state" data-dfn-for="PermissionStatus">
   readonly attribute<span class="idlType"> <a href="#dom-permissionstate" class="internalDFN" data-link-type="idl" id="ref-for-dom-permissionstate-4"><code>PermissionState</code></a></span> <a class="internalDFN idlName" data-link-type="attribute" href="#dom-permissionstatus-state" id="ref-for-dom-permissionstatus-state-3"><code>state</code></a>;</span><span data-idl="" class="idlAttribute" data-title="name" data-dfn-for="PermissionStatus">
-  readonly attribute<span class="idlType"> <a href="#dom-permissionname" class="internalDFN" data-link-type="idl" id="ref-for-dom-permissionname-10"><code>PermissionName</code></a></span> <a class="internalDFN idlName" data-link-type="attribute" href="#dom-permissionstatus-name" id="ref-for-dom-permissionstatus-name-3"><code>name</code></a>;</span><span data-idl="" class="idlAttribute" data-title="onchange" data-dfn-for="PermissionStatus">
+  readonly attribute<span class="idlType"> <a href="#dom-permissionname" class="internalDFN" data-link-type="idl" id="ref-for-dom-permissionname-8"><code>PermissionName</code></a></span> <a class="internalDFN idlName" data-link-type="attribute" href="#dom-permissionstatus-name" id="ref-for-dom-permissionstatus-name-3"><code>name</code></a>;</span><span data-idl="" class="idlAttribute" data-title="onchange" data-dfn-for="PermissionStatus">
   attribute<span class="idlType"> <a data-type="typedef" href="https://html.spec.whatwg.org/multipage/webappapis.html#eventhandler">EventHandler</a></span> <a class="internalDFN idlName" data-link-type="attribute" href="#dom-permissionstatus-onchange" id="ref-for-dom-permissionstatus-onchange-2"><code>onchange</code></a>;</span>
 };</span><span data-idl="" class="idlEnum" data-title="PermissionState">
 
@@ -2174,7 +2167,7 @@ <h2 id="subtitle" class="subtitle">
   <span class="idlEnumItem">"<a class="internalDFN" data-link-type="enum-value" href="#dom-permissionname-gyroscope" id="ref-for-dom-permissionname-gyroscope-2"><code>gyroscope</code></a>"</span>,
   <span class="idlEnumItem">"<a class="internalDFN" data-link-type="enum-value" href="#dom-permissionname-magnetometer" id="ref-for-dom-permissionname-magnetometer-2"><code>magnetometer</code></a>"</span>,
   <span class="idlEnumItem">"<a class="internalDFN" data-link-type="enum-value" href="#dom-permissionname-microphone" id="ref-for-dom-permissionname-microphone-2"><code>microphone</code></a>"</span>,
-  <span class="idlEnumItem">"<a class="internalDFN" data-link-type="enum-value" href="#dom-permissionname-midi" id="ref-for-dom-permissionname-midi-4"><code>midi</code></a>"</span>,
+  <span class="idlEnumItem">"<a class="internalDFN" data-link-type="enum-value" href="#dom-permissionname-midi" id="ref-for-dom-permissionname-midi-2"><code>midi</code></a>"</span>,
   <span class="idlEnumItem">"<a class="internalDFN" data-link-type="enum-value" href="#dom-permissionname-nfc" id="ref-for-dom-permissionname-nfc-2"><code>nfc</code></a>"</span>,
   <span class="idlEnumItem">"<a class="internalDFN" data-link-type="enum-value" href="#dom-permissionname-notifications" id="ref-for-dom-permissionname-notifications-2"><code>notifications</code></a>"</span>,
   <span class="idlEnumItem">"<a class="internalDFN" data-link-type="enum-value" href="#dom-permissionname-persistent-storage" id="ref-for-dom-permissionname-persistent-storage-2"><code>persistent-storage</code></a>"</span>,
@@ -2198,16 +2191,14 @@ <h2 id="subtitle" class="subtitle">
     
     <dl class="bibliography"><dt id="bib-dom">[dom]</dt><dd>
       <a href="https://dom.spec.whatwg.org/"><cite>DOM Standard</cite></a>. Anne van Kesteren.  WHATWG. Living Standard. URL: <a href="https://dom.spec.whatwg.org/">https://dom.spec.whatwg.org/</a>
-    </dd><dt id="bib-ecmascript">[ECMASCRIPT]</dt><dd>
-      <a href="https://tc39.es/ecma262/multipage/"><cite>ECMAScript Language Specification</cite></a>.  Ecma International. URL: <a href="https://tc39.es/ecma262/multipage/">https://tc39.es/ecma262/multipage/</a>
     </dd><dt id="bib-html">[HTML]</dt><dd>
       <a href="https://html.spec.whatwg.org/multipage/"><cite>HTML Standard</cite></a>. Anne van Kesteren; Domenic Denicola; Ian Hickson; Philip Jägenstedt; Simon Pieters.  WHATWG. Living Standard. URL: <a href="https://html.spec.whatwg.org/multipage/">https://html.spec.whatwg.org/multipage/</a>
     </dd><dt id="bib-infra">[infra]</dt><dd>
       <a href="https://infra.spec.whatwg.org/"><cite>Infra Standard</cite></a>. Anne van Kesteren; Domenic Denicola.  WHATWG. Living Standard. URL: <a href="https://infra.spec.whatwg.org/">https://infra.spec.whatwg.org/</a>
-    </dd><dt id="bib-mediacapture-streams">[mediacapture-streams]</dt><dd>
-      <a href="https://www.w3.org/TR/mediacapture-streams/"><cite>Media Capture and Streams</cite></a>. Cullen Jennings; Bernard Aboba; Jan-Ivar Bruaroey; Henrik Boström; youenn fablet.  W3C. 20 January 2022. W3C Candidate Recommendation. URL: <a href="https://www.w3.org/TR/mediacapture-streams/">https://www.w3.org/TR/mediacapture-streams/</a>
     </dd><dt id="bib-permissions-policy">[Permissions-Policy]</dt><dd>
       <a href="https://www.w3.org/TR/permissions-policy-1/"><cite>Permissions Policy</cite></a>. Ian Clelland.  W3C. 16 July 2020. W3C Working Draft. URL: <a href="https://www.w3.org/TR/permissions-policy-1/">https://www.w3.org/TR/permissions-policy-1/</a>
+    </dd><dt id="bib-powerful-feature-registry">[powerful-feature-registry]</dt><dd>
+      <a href="https://w3c.github.io/powerful-features-registry/"><cite>Registry of Powerful Features</cite></a>. unofficial. URL: <a href="https://w3c.github.io/powerful-features-registry/">https://w3c.github.io/powerful-features-registry/</a>
     </dd><dt id="bib-rfc2119">[RFC2119]</dt><dd>
       <a href="https://www.rfc-editor.org/rfc/rfc2119"><cite>Key words for use in RFCs to Indicate Requirement Levels</cite></a>. S. Bradner.  IETF. March 1997. Best Current Practice. URL: <a href="https://www.rfc-editor.org/rfc/rfc2119">https://www.rfc-editor.org/rfc/rfc2119</a>
     </dd><dt id="bib-rfc8174">[RFC8174]</dt><dd>
@@ -2226,21 +2217,21 @@ <h2 id="subtitle" class="subtitle">
     </dd><dt id="bib-appmanifest">[appmanifest]</dt><dd>
       <a href="https://www.w3.org/TR/appmanifest/"><cite>Web Application Manifest</cite></a>. Marcos Caceres; Kenneth Christiansen; Matt Giuca; Aaron Gustafson; Daniel Murphy; Anssi Kostiainen.  W3C. 3 February 2022. W3C Working Draft. URL: <a href="https://www.w3.org/TR/appmanifest/">https://www.w3.org/TR/appmanifest/</a>
     </dd><dt id="bib-audio-output">[audio-output]</dt><dd>
-      <a href="https://www.w3.org/TR/audio-output/"><cite>Audio Output Devices API</cite></a>. Justin Uberti; Guido Urdaneta; youenn fablet.  W3C. 15 November 2021. W3C Candidate Recommendation. URL: <a href="https://www.w3.org/TR/audio-output/">https://www.w3.org/TR/audio-output/</a>
+      <a href="https://www.w3.org/TR/audio-output/"><cite>Audio Output Devices API</cite></a>. Justin Uberti; Guido Urdaneta; youenn fablet.  W3C. 10 February 2022. W3C Candidate Recommendation. URL: <a href="https://www.w3.org/TR/audio-output/">https://www.w3.org/TR/audio-output/</a>
     </dd><dt id="bib-background-fetch">[background-fetch]</dt><dd>
       <a href="https://wicg.github.io/background-fetch/"><cite>Background Fetch</cite></a>.  WICG. cg-draft. URL: <a href="https://wicg.github.io/background-fetch/">https://wicg.github.io/background-fetch/</a>
+    </dd><dt id="bib-ecmascript">[ecmascript]</dt><dd>
+      <a href="https://tc39.es/ecma262/multipage/"><cite>ECMAScript Language Specification</cite></a>.  Ecma International. URL: <a href="https://tc39.es/ecma262/multipage/">https://tc39.es/ecma262/multipage/</a>
     </dd><dt id="bib-geolocation">[Geolocation]</dt><dd>
       <a href="https://www.w3.org/TR/geolocation/"><cite>Geolocation API</cite></a>. Marcos Caceres; Reilly Grant.  W3C. 10 February 2022. W3C Working Draft. URL: <a href="https://www.w3.org/TR/geolocation/">https://www.w3.org/TR/geolocation/</a>
     </dd><dt id="bib-getusermedia">[GETUSERMEDIA]</dt><dd>
-      <a href="https://www.w3.org/TR/mediacapture-streams/"><cite>Media Capture and Streams</cite></a>. Cullen Jennings; Bernard Aboba; Jan-Ivar Bruaroey; Henrik Boström; youenn fablet.  W3C. 20 January 2022. W3C Candidate Recommendation. URL: <a href="https://www.w3.org/TR/mediacapture-streams/">https://www.w3.org/TR/mediacapture-streams/</a>
+      <a href="https://www.w3.org/TR/mediacapture-streams/"><cite>Media Capture and Streams</cite></a>. Cullen Jennings; Bernard Aboba; Jan-Ivar Bruaroey; Henrik Boström; youenn fablet.  W3C. 10 February 2022. W3C Candidate Recommendation. URL: <a href="https://www.w3.org/TR/mediacapture-streams/">https://www.w3.org/TR/mediacapture-streams/</a>
     </dd><dt id="bib-gyroscope">[gyroscope]</dt><dd>
       <a href="https://www.w3.org/TR/gyroscope/"><cite>Gyroscope</cite></a>. Anssi Kostiainen.  W3C. 7 December 2021. W3C Candidate Recommendation. URL: <a href="https://www.w3.org/TR/gyroscope/">https://www.w3.org/TR/gyroscope/</a>
     </dd><dt id="bib-magnetometer">[magnetometer]</dt><dd>
       <a href="https://www.w3.org/TR/magnetometer/"><cite>Magnetometer</cite></a>. Anssi Kostiainen; Rijubrata Bhaumik.  W3C. 7 December 2021. W3C Working Draft. URL: <a href="https://www.w3.org/TR/magnetometer/">https://www.w3.org/TR/magnetometer/</a>
     </dd><dt id="bib-notifications">[notifications]</dt><dd>
       <a href="https://notifications.spec.whatwg.org/"><cite>Notifications API Standard</cite></a>. Anne van Kesteren.  WHATWG. Living Standard. URL: <a href="https://notifications.spec.whatwg.org/">https://notifications.spec.whatwg.org/</a>
-    </dd><dt id="bib-powerful-feature-registry">[powerful-feature-registry]</dt><dd>
-      <a href="https://w3c.github.io/powerful-features-registry/"><cite>Registry of Powerful Features</cite></a>. unofficial. URL: <a href="https://w3c.github.io/powerful-features-registry/">https://w3c.github.io/powerful-features-registry/</a>
     </dd><dt id="bib-push-api">[push-api]</dt><dd>
       <a href="https://www.w3.org/TR/push-api/"><cite>Push API</cite></a>. Peter Beverloo; Martin Thomson.  W3C. 3 November 2021. W3C Working Draft. URL: <a href="https://www.w3.org/TR/push-api/">https://www.w3.org/TR/push-api/</a>
     </dd><dt id="bib-screen-capture">[screen-capture]</dt><dd>
@@ -2269,7 +2260,7 @@ <h2 id="subtitle" class="subtitle">
       <p><b>Referenced in:</b></p>
       <ul>
     <li>
-    <a href="#ref-for-dfn-at-risk-1" title="§ 4.1 Screen wake lock">§ 4.1 Screen wake lock</a> 
+    <a href="#ref-for-dfn-at-risk-1" title="§ 5.1 Screen wake lock">§ 5.1 Screen wake lock</a> 
   </li>
   </ul>
     </div><div class="dfn-panel" hidden="" role="dialog" aria-modal="true" id="dfn-panel-for-dfn-permission" aria-label="Links in this document to definition: permission">
@@ -2287,9 +2278,9 @@ <h2 id="subtitle" class="subtitle">
   </li><li>
     <a href="#ref-for-dfn-permission-5" title="§ 2.2 Powerful features">§ 2.2 Powerful features</a> 
   </li><li>
-    <a href="#ref-for-dfn-permission-6" title="§ 2.2.1 Specifying a powerful feature">§ 2.2.1 Specifying a powerful feature</a> <a href="#ref-for-dfn-permission-7" title="Reference 2">(2)</a> <a href="#ref-for-dfn-permission-8" title="Reference 3">(3)</a> 
+    <a href="#ref-for-dfn-permission-6" title="§ 3. Specifying a powerful feature">§ 3. Specifying a powerful feature</a> <a href="#ref-for-dfn-permission-7" title="Reference 2">(2)</a> <a href="#ref-for-dfn-permission-8" title="Reference 3">(3)</a> 
   </li><li>
-    <a href="#ref-for-dfn-permission-9" title="§ 3.1 Extensions to the Navigator and WorkerNavigator interfaces">§ 3.1 Extensions to the Navigator and WorkerNavigator interfaces</a> <a href="#ref-for-dfn-permission-10" title="Reference 2">(2)</a> 
+    <a href="#ref-for-dfn-permission-9" title="§ 4.1 Extensions to the Navigator and WorkerNavigator interfaces">§ 4.1 Extensions to the Navigator and WorkerNavigator interfaces</a> <a href="#ref-for-dfn-permission-10" title="Reference 2">(2)</a> 
   </li><li>
     <a href="#ref-for-dfn-permission-11" title="§ C. Privacy considerations">§ C. Privacy considerations</a> 
   </li><li>
@@ -2339,7 +2330,7 @@ <h2 id="subtitle" class="subtitle">
     <li>
     <a href="#ref-for-dfn-denied-1" title="§ 2.1 Permissions">§ 2.1 Permissions</a> <a href="#ref-for-dfn-denied-2" title="Reference 2">(2)</a> 
   </li><li>
-    <a href="#ref-for-dfn-denied-3" title="§ 3.3 PermissionStatus interface">§ 3.3 PermissionStatus interface</a> 
+    <a href="#ref-for-dfn-denied-3" title="§ 4.3 PermissionStatus interface">§ 4.3 PermissionStatus interface</a> 
   </li>
   </ul>
     </div><div class="dfn-panel" hidden="" role="dialog" aria-modal="true" id="dfn-panel-for-dfn-granted" aria-label="Links in this document to definition: Granted">
@@ -2355,9 +2346,9 @@ <h2 id="subtitle" class="subtitle">
   </li><li>
     <a href="#ref-for-dfn-granted-3" title="§ 2.2 Powerful features">§ 2.2 Powerful features</a> <a href="#ref-for-dfn-granted-4" title="Reference 2">(2)</a> 
   </li><li>
-    <a href="#ref-for-dfn-granted-5" title="§ 2.2.1 Specifying a powerful feature">§ 2.2.1 Specifying a powerful feature</a> 
+    <a href="#ref-for-dfn-granted-5" title="§ 3. Specifying a powerful feature">§ 3. Specifying a powerful feature</a> 
   </li><li>
-    <a href="#ref-for-dfn-granted-6" title="§ 3.3 PermissionStatus interface">§ 3.3 PermissionStatus interface</a> 
+    <a href="#ref-for-dfn-granted-6" title="§ 4.3 PermissionStatus interface">§ 4.3 PermissionStatus interface</a> 
   </li><li>
     <a href="#ref-for-dfn-granted-7" title="§ A. Relationship to the Permissions Policy specification">§ A. Relationship to the Permissions Policy specification</a> 
   </li><li>
@@ -2375,7 +2366,9 @@ <h2 id="subtitle" class="subtitle">
     <li>
     <a href="#ref-for-dfn-prompt-1" title="§ 2.1 Permissions">§ 2.1 Permissions</a> 
   </li><li>
-    <a href="#ref-for-dfn-prompt-2" title="§ 3.3 PermissionStatus interface">§ 3.3 PermissionStatus interface</a> 
+    <a href="#ref-for-dfn-prompt-2" title="§ 3. Specifying a powerful feature">§ 3. Specifying a powerful feature</a> 
+  </li><li>
+    <a href="#ref-for-dfn-prompt-3" title="§ 4.3 PermissionStatus interface">§ 4.3 PermissionStatus interface</a> 
   </li>
   </ul>
     </div><div class="dfn-panel" hidden="" role="dialog" aria-modal="true" id="dfn-panel-for-dfn-new-information-about-the-user-s-intent" aria-label="Links in this document to definition: new information about the user's intent">
@@ -2387,13 +2380,13 @@ <h2 id="subtitle" class="subtitle">
       <p><b>Referenced in:</b></p>
       <ul>
     <li>
-    <a href="#ref-for-dfn-new-information-about-the-user-s-intent-1" title="§ 2.2.1 Specifying a powerful feature">§ 2.2.1 Specifying a powerful feature</a> 
+    <a href="#ref-for-dfn-new-information-about-the-user-s-intent-1" title="§ 2.3 Reading the current permission state">§ 2.3 Reading the current permission state</a> 
   </li><li>
-    <a href="#ref-for-dfn-new-information-about-the-user-s-intent-2" title="§ 2.3 Reading the current permission state">§ 2.3 Reading the current permission state</a> 
+    <a href="#ref-for-dfn-new-information-about-the-user-s-intent-2" title="§ 2.4 Requesting permission to use a powerful feature">§ 2.4 Requesting permission to use a powerful feature</a> 
   </li><li>
-    <a href="#ref-for-dfn-new-information-about-the-user-s-intent-3" title="§ 2.4 Requesting permission to use a powerful feature">§ 2.4 Requesting permission to use a powerful feature</a> 
+    <a href="#ref-for-dfn-new-information-about-the-user-s-intent-3" title="§ 2.5 Prompt the user to choose">§ 2.5 Prompt the user to choose</a> <a href="#ref-for-dfn-new-information-about-the-user-s-intent-4" title="Reference 2">(2)</a> 
   </li><li>
-    <a href="#ref-for-dfn-new-information-about-the-user-s-intent-4" title="§ 2.5 Prompt the user to choose">§ 2.5 Prompt the user to choose</a> <a href="#ref-for-dfn-new-information-about-the-user-s-intent-5" title="Reference 2">(2)</a> 
+    <a href="#ref-for-dfn-new-information-about-the-user-s-intent-5" title="§ 3. Specifying a powerful feature">§ 3. Specifying a powerful feature</a> 
   </li>
   </ul>
     </div><div class="dfn-panel" hidden="" role="dialog" aria-modal="true" id="dfn-panel-for-dfn-implicit-signals" aria-label="Links in this document to definition: implicit signals">
@@ -2419,7 +2412,7 @@ <h2 id="subtitle" class="subtitle">
     <li>
     <a href="#ref-for-dfn-lifetime-1" title="§ 2.1 Permissions">§ 2.1 Permissions</a> <a href="#ref-for-dfn-lifetime-2" title="Reference 2">(2)</a> 
   </li><li>
-    <a href="#ref-for-dfn-lifetime-3" title="§ 2.2.1 Specifying a powerful feature">§ 2.2.1 Specifying a powerful feature</a> <a href="#ref-for-dfn-lifetime-4" title="Reference 2">(2)</a> <a href="#ref-for-dfn-lifetime-5" title="Reference 3">(3)</a> <a href="#ref-for-dfn-lifetime-6" title="Reference 4">(4)</a> <a href="#ref-for-dfn-lifetime-7" title="Reference 5">(5)</a> <a href="#ref-for-dfn-lifetime-8" title="Reference 6">(6)</a> 
+    <a href="#ref-for-dfn-lifetime-3" title="§ 3. Specifying a powerful feature">§ 3. Specifying a powerful feature</a> <a href="#ref-for-dfn-lifetime-4" title="Reference 2">(2)</a> <a href="#ref-for-dfn-lifetime-5" title="Reference 3">(3)</a> <a href="#ref-for-dfn-lifetime-6" title="Reference 4">(4)</a> <a href="#ref-for-dfn-lifetime-7" title="Reference 5">(5)</a> <a href="#ref-for-dfn-lifetime-8" title="Reference 6">(6)</a> 
   </li>
   </ul>
     </div><div class="dfn-panel" hidden="" role="dialog" aria-modal="true" id="dfn-panel-for-dfn-default-state" aria-label="Links in this document to definition: default state">
@@ -2433,7 +2426,7 @@ <h2 id="subtitle" class="subtitle">
     <li>
     <a href="#ref-for-dfn-default-state-1" title="§ 2.1 Permissions">§ 2.1 Permissions</a> 
   </li><li>
-    <a href="#ref-for-dfn-default-state-2" title="§ 2.2.1 Specifying a powerful feature">§ 2.2.1 Specifying a powerful feature</a> <a href="#ref-for-dfn-default-state-3" title="Reference 2">(2)</a> <a href="#ref-for-dfn-default-state-4" title="Reference 3">(3)</a> 
+    <a href="#ref-for-dfn-default-state-2" title="§ 3. Specifying a powerful feature">§ 3. Specifying a powerful feature</a> <a href="#ref-for-dfn-default-state-3" title="Reference 2">(2)</a> 
   </li>
   </ul>
     </div><div class="dfn-panel" hidden="" role="dialog" aria-modal="true" id="dfn-panel-for-dfn-powerful-feature" aria-label="Links in this document to definition: powerful feature">
@@ -2453,23 +2446,23 @@ <h2 id="subtitle" class="subtitle">
   </li><li>
     <a href="#ref-for-dfn-powerful-feature-9" title="§ 2.2 Powerful features">§ 2.2 Powerful features</a> <a href="#ref-for-dfn-powerful-feature-10" title="Reference 2">(2)</a> 
   </li><li>
-    <a href="#ref-for-dfn-powerful-feature-11" title="§ 2.2.1 Specifying a powerful feature">§ 2.2.1 Specifying a powerful feature</a> <a href="#ref-for-dfn-powerful-feature-12" title="Reference 2">(2)</a> <a href="#ref-for-dfn-powerful-feature-13" title="Reference 3">(3)</a> <a href="#ref-for-dfn-powerful-feature-14" title="Reference 4">(4)</a> <a href="#ref-for-dfn-powerful-feature-15" title="Reference 5">(5)</a> <a href="#ref-for-dfn-powerful-feature-16" title="Reference 6">(6)</a> <a href="#ref-for-dfn-powerful-feature-17" title="Reference 7">(7)</a> <a href="#ref-for-dfn-powerful-feature-18" title="Reference 8">(8)</a> <a href="#ref-for-dfn-powerful-feature-19" title="Reference 9">(9)</a> <a href="#ref-for-dfn-powerful-feature-20" title="Reference 10">(10)</a> 
+    <a href="#ref-for-dfn-powerful-feature-11" title="§ 2.2.1 Aspects">§ 2.2.1 Aspects</a> <a href="#ref-for-dfn-powerful-feature-12" title="Reference 2">(2)</a> 
   </li><li>
-    <a href="#ref-for-dfn-powerful-feature-21" title="§ 2.2.2 Aspects">§ 2.2.2 Aspects</a> <a href="#ref-for-dfn-powerful-feature-22" title="Reference 2">(2)</a> 
+    <a href="#ref-for-dfn-powerful-feature-13" title="§ 2.4 Requesting permission to use a powerful feature">§ 2.4 Requesting permission to use a powerful feature</a> 
   </li><li>
-    <a href="#ref-for-dfn-powerful-feature-23" title="§ 2.4 Requesting permission to use a powerful feature">§ 2.4 Requesting permission to use a powerful feature</a> 
+    <a href="#ref-for-dfn-powerful-feature-14" title="§ 2.6 Reacting to users revoking permission">§ 2.6 Reacting to users revoking permission</a> 
   </li><li>
-    <a href="#ref-for-dfn-powerful-feature-24" title="§ 2.6 Reacting to users revoking permission">§ 2.6 Reacting to users revoking permission</a> 
+    <a href="#ref-for-dfn-powerful-feature-15" title="§ 3. Specifying a powerful feature">§ 3. Specifying a powerful feature</a> <a href="#ref-for-dfn-powerful-feature-16" title="Reference 2">(2)</a> <a href="#ref-for-dfn-powerful-feature-17" title="Reference 3">(3)</a> <a href="#ref-for-dfn-powerful-feature-18" title="Reference 4">(4)</a> <a href="#ref-for-dfn-powerful-feature-19" title="Reference 5">(5)</a> <a href="#ref-for-dfn-powerful-feature-20" title="Reference 6">(6)</a> <a href="#ref-for-dfn-powerful-feature-21" title="Reference 7">(7)</a> <a href="#ref-for-dfn-powerful-feature-22" title="Reference 8">(8)</a> <a href="#ref-for-dfn-powerful-feature-23" title="Reference 9">(9)</a> <a href="#ref-for-dfn-powerful-feature-24" title="Reference 10">(10)</a> <a href="#ref-for-dfn-powerful-feature-25" title="Reference 11">(11)</a> 
   </li><li>
-    <a href="#ref-for-dfn-powerful-feature-25" title="§ 3.3.1 Creating instances">§ 3.3.1 Creating instances</a> 
+    <a href="#ref-for-dfn-powerful-feature-26" title="§ 4.3.1 Creating instances">§ 4.3.1 Creating instances</a> 
   </li><li>
-    <a href="#ref-for-dfn-powerful-feature-26" title="§ 4. Powerful features registry">§ 4. Powerful features registry</a> <a href="#ref-for-dfn-powerful-feature-27" title="Reference 2">(2)</a> <a href="#ref-for-dfn-powerful-feature-28" title="Reference 3">(3)</a> <a href="#ref-for-dfn-powerful-feature-29" title="Reference 4">(4)</a> <a href="#ref-for-dfn-powerful-feature-30" title="Reference 5">(5)</a> <a href="#ref-for-dfn-powerful-feature-31" title="Reference 6">(6)</a> <a href="#ref-for-dfn-powerful-feature-32" title="Reference 7">(7)</a> <a href="#ref-for-dfn-powerful-feature-33" title="Reference 8">(8)</a> <a href="#ref-for-dfn-powerful-feature-34" title="Reference 9">(9)</a> <a href="#ref-for-dfn-powerful-feature-35" title="Reference 10">(10)</a> <a href="#ref-for-dfn-powerful-feature-36" title="Reference 11">(11)</a> <a href="#ref-for-dfn-powerful-feature-37" title="Reference 12">(12)</a> <a href="#ref-for-dfn-powerful-feature-38" title="Reference 13">(13)</a> <a href="#ref-for-dfn-powerful-feature-39" title="Reference 14">(14)</a> <a href="#ref-for-dfn-powerful-feature-40" title="Reference 15">(15)</a> <a href="#ref-for-dfn-powerful-feature-41" title="Reference 16">(16)</a> <a href="#ref-for-dfn-powerful-feature-42" title="Reference 17">(17)</a> <a href="#ref-for-dfn-powerful-feature-43" title="Reference 18">(18)</a> 
+    <a href="#ref-for-dfn-powerful-feature-27" title="§ 5. Powerful features registry">§ 5. Powerful features registry</a> <a href="#ref-for-dfn-powerful-feature-28" title="Reference 2">(2)</a> <a href="#ref-for-dfn-powerful-feature-29" title="Reference 3">(3)</a> <a href="#ref-for-dfn-powerful-feature-30" title="Reference 4">(4)</a> <a href="#ref-for-dfn-powerful-feature-31" title="Reference 5">(5)</a> <a href="#ref-for-dfn-powerful-feature-32" title="Reference 6">(6)</a> <a href="#ref-for-dfn-powerful-feature-33" title="Reference 7">(7)</a> <a href="#ref-for-dfn-powerful-feature-34" title="Reference 8">(8)</a> <a href="#ref-for-dfn-powerful-feature-35" title="Reference 9">(9)</a> <a href="#ref-for-dfn-powerful-feature-36" title="Reference 10">(10)</a> <a href="#ref-for-dfn-powerful-feature-37" title="Reference 11">(11)</a> <a href="#ref-for-dfn-powerful-feature-38" title="Reference 12">(12)</a> <a href="#ref-for-dfn-powerful-feature-39" title="Reference 13">(13)</a> <a href="#ref-for-dfn-powerful-feature-40" title="Reference 14">(14)</a> <a href="#ref-for-dfn-powerful-feature-41" title="Reference 15">(15)</a> <a href="#ref-for-dfn-powerful-feature-42" title="Reference 16">(16)</a> <a href="#ref-for-dfn-powerful-feature-43" title="Reference 17">(17)</a> <a href="#ref-for-dfn-powerful-feature-44" title="Reference 18">(18)</a> 
   </li><li>
-    <a href="#ref-for-dfn-powerful-feature-44" title="§ 4.1 Screen wake lock">§ 4.1 Screen wake lock</a> <a href="#ref-for-dfn-powerful-feature-45" title="Reference 2">(2)</a> 
+    <a href="#ref-for-dfn-powerful-feature-45" title="§ 5.1 Screen wake lock">§ 5.1 Screen wake lock</a> <a href="#ref-for-dfn-powerful-feature-46" title="Reference 2">(2)</a> 
   </li><li>
-    <a href="#ref-for-dfn-powerful-feature-46" title="§ A. Relationship to the Permissions Policy specification">§ A. Relationship to the Permissions Policy specification</a> <a href="#ref-for-dfn-powerful-feature-47" title="Reference 2">(2)</a> <a href="#ref-for-dfn-powerful-feature-48" title="Reference 3">(3)</a> 
+    <a href="#ref-for-dfn-powerful-feature-47" title="§ A. Relationship to the Permissions Policy specification">§ A. Relationship to the Permissions Policy specification</a> <a href="#ref-for-dfn-powerful-feature-48" title="Reference 2">(2)</a> <a href="#ref-for-dfn-powerful-feature-49" title="Reference 3">(3)</a> 
   </li><li>
-    <a href="#ref-for-dfn-powerful-feature-49" title="§ C. Privacy considerations">§ C. Privacy considerations</a> 
+    <a href="#ref-for-dfn-powerful-feature-50" title="§ C. Privacy considerations">§ C. Privacy considerations</a> 
   </li>
   </ul>
     </div><div class="dfn-panel" hidden="" role="dialog" aria-modal="true" id="dfn-panel-for-dfn-name" aria-label="Links in this document to definition: name">
@@ -2486,240 +2479,240 @@ <h2 id="subtitle" class="subtitle">
     <a href="#ref-for-dfn-name-2" title="§ A. Relationship to the Permissions Policy specification">§ A. Relationship to the Permissions Policy specification</a> 
   </li>
   </ul>
-    </div><div class="dfn-panel" hidden="" role="dialog" aria-modal="true" id="dfn-panel-for-dfn-permission-descriptor-type" aria-label="Links in this document to definition: permission descriptor type">
+    </div><div class="dfn-panel" hidden="" role="dialog" aria-modal="true" id="dfn-panel-for-dfn-aspects" aria-label="Links in this document to definition: aspects">
       <span class="caret"></span>
       <div>
-        <a class="self-link" href="#dfn-permission-descriptor-type" aria-label="Permalink for definition: permission descriptor type. Activate to close this dialog.">Permalink</a>
-        <span class="marker dfn-exported" title="Definition can be referenced by other specifications">exported</span> 
+        <a class="self-link" href="#dfn-aspects" aria-label="Permalink for definition: aspects. Activate to close this dialog.">Permalink</a>
+         
       </div>
       <p><b>Referenced in:</b></p>
       <ul>
     <li>
-    <a href="#ref-for-dfn-permission-descriptor-type-1" title="§ 2.2.1 Specifying a powerful feature">§ 2.2.1 Specifying a powerful feature</a> 
-  </li><li>
-    <a href="#ref-for-dfn-permission-descriptor-type-2" title="§ 2.2.2 Aspects">§ 2.2.2 Aspects</a> 
-  </li><li>
-    <a href="#ref-for-dfn-permission-descriptor-type-3" title="§ 3.2.1 query() method">§ 3.2.1 query() method</a> 
-  </li><li>
-    <a href="#ref-for-dfn-permission-descriptor-type-4" title="§ 3.3 PermissionStatus interface">§ 3.3 PermissionStatus interface</a> 
+    <a href="#ref-for-dfn-aspects-1" title="§ 2.2.1 Aspects">§ 2.2.1 Aspects</a> <a href="#ref-for-dfn-aspects-2" title="Reference 2">(2)</a> 
   </li>
   </ul>
-    </div><div class="dfn-panel" hidden="" role="dialog" aria-modal="true" id="dfn-panel-for-dfn-stronger-than" aria-label="Links in this document to definition: stronger than">
+    </div><div class="dfn-panel" hidden="" role="dialog" aria-modal="true" id="dfn-panel-for-dfn-getting-the-current-permission-state" aria-label="Links in this document to definition: get the current permission state">
       <span class="caret"></span>
       <div>
-        <a class="self-link" href="#dfn-stronger-than" aria-label="Permalink for definition: stronger than. Activate to close this dialog.">Permalink</a>
+        <a class="self-link" href="#dfn-getting-the-current-permission-state" aria-label="Permalink for definition: get the current permission state. Activate to close this dialog.">Permalink</a>
         <span class="marker dfn-exported" title="Definition can be referenced by other specifications">exported</span> 
       </div>
       <p><b>Referenced in:</b></p>
       <ul>
     <li>
-    <a href="#ref-for-dfn-stronger-than-1" title="§ 2.2.1 Specifying a powerful feature">§ 2.2.1 Specifying a powerful feature</a> 
+    <a href="#ref-for-dfn-getting-the-current-permission-state-1" title="§ A. Relationship to the Permissions Policy specification">§ A. Relationship to the Permissions Policy specification</a> 
   </li>
   </ul>
-    </div><div class="dfn-panel" hidden="" role="dialog" aria-modal="true" id="dfn-panel-for-dfn-permission-state-constraints" aria-label="Links in this document to definition: permission state constraints">
+    </div><div class="dfn-panel" hidden="" role="dialog" aria-modal="true" id="dfn-panel-for-dfn-state" aria-label="Links in this document to definition: permission state">
       <span class="caret"></span>
       <div>
-        <a class="self-link" href="#dfn-permission-state-constraints" aria-label="Permalink for definition: permission state constraints. Activate to close this dialog.">Permalink</a>
+        <a class="self-link" href="#dfn-state" aria-label="Permalink for definition: permission state. Activate to close this dialog.">Permalink</a>
         <span class="marker dfn-exported" title="Definition can be referenced by other specifications">exported</span> 
       </div>
       <p><b>Referenced in:</b></p>
       <ul>
     <li>
-    <a href="#ref-for-dfn-permission-state-constraints-1" title="§ 2.3 Reading the current permission state">§ 2.3 Reading the current permission state</a> 
+    <a href="#ref-for-dfn-state-1" title="§ 2.3 Reading the current permission state">§ 2.3 Reading the current permission state</a> <a href="#ref-for-dfn-state-2" title="Reference 2">(2)</a> <a href="#ref-for-dfn-state-3" title="Reference 3">(3)</a> 
+  </li><li>
+    <a href="#ref-for-dfn-state-4" title="§ 2.4 Requesting permission to use a powerful feature">§ 2.4 Requesting permission to use a powerful feature</a> 
+  </li><li>
+    <a href="#ref-for-dfn-state-5" title="§ 2.5 Prompt the user to choose">§ 2.5 Prompt the user to choose</a> <a href="#ref-for-dfn-state-6" title="Reference 2">(2)</a> 
+  </li><li>
+    <a href="#ref-for-dfn-state-7" title="§ 3. Specifying a powerful feature">§ 3. Specifying a powerful feature</a> <a href="#ref-for-dfn-state-8" title="Reference 2">(2)</a> <a href="#ref-for-dfn-state-9" title="Reference 3">(3)</a> <a href="#ref-for-dfn-state-10" title="Reference 4">(4)</a> <a href="#ref-for-dfn-state-11" title="Reference 5">(5)</a> <a href="#ref-for-dfn-state-12" title="Reference 6">(6)</a> <a href="#ref-for-dfn-state-13" title="Reference 7">(7)</a> <a href="#ref-for-dfn-state-14" title="Reference 8">(8)</a> 
+  </li><li>
+    <a href="#ref-for-dfn-state-15" title="§ A. Relationship to the Permissions Policy specification">§ A. Relationship to the Permissions Policy specification</a> 
+  </li><li>
+    <a href="#ref-for-dfn-state-16" title="§ C. Privacy considerations">§ C. Privacy considerations</a> 
   </li>
   </ul>
-    </div><div class="dfn-panel" hidden="" role="dialog" aria-modal="true" id="dfn-panel-for-dfn-extra-permission-data-type" aria-label="Links in this document to definition: extra permission data type">
+    </div><div class="dfn-panel" hidden="" role="dialog" aria-modal="true" id="dfn-panel-for-dfn-request-permission-to-use" aria-label="Links in this document to definition: request permission to use">
       <span class="caret"></span>
       <div>
-        <a class="self-link" href="#dfn-extra-permission-data-type" aria-label="Permalink for definition: extra permission data type. Activate to close this dialog.">Permalink</a>
+        <a class="self-link" href="#dfn-request-permission-to-use" aria-label="Permalink for definition: request permission to use. Activate to close this dialog.">Permalink</a>
         <span class="marker dfn-exported" title="Definition can be referenced by other specifications">exported</span> 
       </div>
       <p><b>Referenced in:</b></p>
       <ul>
     <li>
-    <a href="#ref-for-dfn-extra-permission-data-type-1" title="§ 2.2.1 Specifying a powerful feature">§ 2.2.1 Specifying a powerful feature</a> <a href="#ref-for-dfn-extra-permission-data-type-2" title="Reference 2">(2)</a> 
+    <a href="#ref-for-dfn-request-permission-to-use-1" title="§ 2.4 Requesting permission to use a powerful feature">§ 2.4 Requesting permission to use a powerful feature</a> <a href="#ref-for-dfn-request-permission-to-use-2" title="Reference 2">(2)</a> 
   </li>
   </ul>
-    </div><div class="dfn-panel" hidden="" role="dialog" aria-modal="true" id="dfn-panel-for-dfn-extra-permission-data" aria-label="Links in this document to definition: extra permission data">
+    </div><div class="dfn-panel" hidden="" role="dialog" aria-modal="true" id="dfn-panel-for-dfn-prompt-the-user-to-choose" aria-label="Links in this document to definition: prompt the user to choose">
       <span class="caret"></span>
       <div>
-        <a class="self-link" href="#dfn-extra-permission-data" aria-label="Permalink for definition: extra permission data. Activate to close this dialog.">Permalink</a>
+        <a class="self-link" href="#dfn-prompt-the-user-to-choose" aria-label="Permalink for definition: prompt the user to choose. Activate to close this dialog.">Permalink</a>
         <span class="marker dfn-exported" title="Definition can be referenced by other specifications">exported</span> 
       </div>
       <p><b>Referenced in:</b></p>
       <ul>
     <li>
-    <a href="#ref-for-dfn-extra-permission-data-1" title="§ 2.2.1 Specifying a powerful feature">§ 2.2.1 Specifying a powerful feature</a> <a href="#ref-for-dfn-extra-permission-data-2" title="Reference 2">(2)</a> <a href="#ref-for-dfn-extra-permission-data-3" title="Reference 3">(3)</a> 
+    <a href="#ref-for-dfn-prompt-the-user-to-choose-1" title="§ 2.5 Prompt the user to choose">§ 2.5 Prompt the user to choose</a> <a href="#ref-for-dfn-prompt-the-user-to-choose-2" title="Reference 2">(2)</a> <a href="#ref-for-dfn-prompt-the-user-to-choose-3" title="Reference 3">(3)</a> 
   </li>
   </ul>
-    </div><div class="dfn-panel" hidden="" role="dialog" aria-modal="true" id="dfn-panel-for-dfn-extra-permission-data-constraints" aria-label="Links in this document to definition: extra permission data constraints">
+    </div><div class="dfn-panel" hidden="" role="dialog" aria-modal="true" id="dfn-panel-for-dfn-react-to-the-user-revoking-permission" aria-label="Links in this document to definition: react to the user revoking permission">
       <span class="caret"></span>
       <div>
-        <a class="self-link" href="#dfn-extra-permission-data-constraints" aria-label="Permalink for definition: extra permission data constraints. Activate to close this dialog.">Permalink</a>
-        <span class="marker dfn-exported" title="Definition can be referenced by other specifications">exported</span> 
+        <a class="self-link" href="#dfn-react-to-the-user-revoking-permission" aria-label="Permalink for definition: react to the user revoking permission. Activate to close this dialog.">Permalink</a>
+         
       </div>
       <p><b>Referenced in:</b></p>
       <ul>
     <li>
-    <a href="#ref-for-dfn-extra-permission-data-constraints-1" title="§ 2.2.1 Specifying a powerful feature">§ 2.2.1 Specifying a powerful feature</a> 
+    <a href="#ref-for-dfn-react-to-the-user-revoking-permission-1" title="§ 3. Specifying a powerful feature">§ 3. Specifying a powerful feature</a> <a href="#ref-for-dfn-react-to-the-user-revoking-permission-2" title="Reference 2">(2)</a> 
   </li>
   </ul>
-    </div><div class="dfn-panel" hidden="" role="dialog" aria-modal="true" id="dfn-panel-for-dfn-permission-result-type" aria-label="Links in this document to definition: permission result type">
+    </div><div class="dfn-panel" hidden="" role="dialog" aria-modal="true" id="dfn-panel-for-dfn-permission-descriptor-type" aria-label="Links in this document to definition: permission descriptor type">
       <span class="caret"></span>
       <div>
-        <a class="self-link" href="#dfn-permission-result-type" aria-label="Permalink for definition: permission result type. Activate to close this dialog.">Permalink</a>
+        <a class="self-link" href="#dfn-permission-descriptor-type" aria-label="Permalink for definition: permission descriptor type. Activate to close this dialog.">Permalink</a>
         <span class="marker dfn-exported" title="Definition can be referenced by other specifications">exported</span> 
       </div>
       <p><b>Referenced in:</b></p>
       <ul>
     <li>
-    <a href="#ref-for-dfn-permission-result-type-1" title="§ 2.2.1 Specifying a powerful feature">§ 2.2.1 Specifying a powerful feature</a> <a href="#ref-for-dfn-permission-result-type-2" title="Reference 2">(2)</a> 
+    <a href="#ref-for-dfn-permission-descriptor-type-1" title="§ 2.2.1 Aspects">§ 2.2.1 Aspects</a> 
+  </li><li>
+    <a href="#ref-for-dfn-permission-descriptor-type-2" title="§ 3. Specifying a powerful feature">§ 3. Specifying a powerful feature</a> 
   </li><li>
-    <a href="#ref-for-dfn-permission-result-type-3" title="§ 3.3.1 Creating instances">§ 3.3.1 Creating instances</a> 
+    <a href="#ref-for-dfn-permission-descriptor-type-3" title="§ 4.2.1 query() method">§ 4.2.1 query() method</a> 
+  </li><li>
+    <a href="#ref-for-dfn-permission-descriptor-type-4" title="§ 4.3 PermissionStatus interface">§ 4.3 PermissionStatus interface</a> 
   </li>
   </ul>
-    </div><div class="dfn-panel" hidden="" role="dialog" aria-modal="true" id="dfn-panel-for-dfn-permission-query-algorithm" aria-label="Links in this document to definition: permission query algorithm">
+    </div><div class="dfn-panel" hidden="" role="dialog" aria-modal="true" id="dfn-panel-for-dfn-stronger-than" aria-label="Links in this document to definition: stronger than">
       <span class="caret"></span>
       <div>
-        <a class="self-link" href="#dfn-permission-query-algorithm" aria-label="Permalink for definition: permission query algorithm. Activate to close this dialog.">Permalink</a>
+        <a class="self-link" href="#dfn-stronger-than" aria-label="Permalink for definition: stronger than. Activate to close this dialog.">Permalink</a>
         <span class="marker dfn-exported" title="Definition can be referenced by other specifications">exported</span> 
       </div>
       <p><b>Referenced in:</b></p>
       <ul>
     <li>
-    <a href="#ref-for-dfn-permission-query-algorithm-1" title="§ 3.2.1 query() method">§ 3.2.1 query() method</a> 
-  </li><li>
-    <a href="#ref-for-dfn-permission-query-algorithm-2" title="§ 3.3.4 onchange attribute">§ 3.3.4 onchange attribute</a> 
+    <a href="#ref-for-dfn-stronger-than-1" title="§ 3. Specifying a powerful feature">§ 3. Specifying a powerful feature</a> 
   </li>
   </ul>
-    </div><div class="dfn-panel" hidden="" role="dialog" aria-modal="true" id="dfn-panel-for-dfn-default-permission-query-algorithm" aria-label="Links in this document to definition: default permission query algorithm">
+    </div><div class="dfn-panel" hidden="" role="dialog" aria-modal="true" id="dfn-panel-for-dfn-permission-state-constraints" aria-label="Links in this document to definition: permission state constraints">
       <span class="caret"></span>
       <div>
-        <a class="self-link" href="#dfn-default-permission-query-algorithm" aria-label="Permalink for definition: default permission query algorithm. Activate to close this dialog.">Permalink</a>
-         
+        <a class="self-link" href="#dfn-permission-state-constraints" aria-label="Permalink for definition: permission state constraints. Activate to close this dialog.">Permalink</a>
+        <span class="marker dfn-exported" title="Definition can be referenced by other specifications">exported</span> 
       </div>
       <p><b>Referenced in:</b></p>
       <ul>
     <li>
-    <a href="#ref-for-dfn-default-permission-query-algorithm-1" title="§ 2.2.1 Specifying a powerful feature">§ 2.2.1 Specifying a powerful feature</a> 
+    <a href="#ref-for-dfn-permission-state-constraints-1" title="§ 2.3 Reading the current permission state">§ 2.3 Reading the current permission state</a> 
   </li>
   </ul>
-    </div><div class="dfn-panel" hidden="" role="dialog" aria-modal="true" id="dfn-panel-for-dfn-permission-revocation-algorithm" aria-label="Links in this document to definition: permission revocation algorithm">
+    </div><div class="dfn-panel" hidden="" role="dialog" aria-modal="true" id="dfn-panel-for-dfn-extra-permission-data-type" aria-label="Links in this document to definition: extra permission data type">
       <span class="caret"></span>
       <div>
-        <a class="self-link" href="#dfn-permission-revocation-algorithm" aria-label="Permalink for definition: permission revocation algorithm. Activate to close this dialog.">Permalink</a>
+        <a class="self-link" href="#dfn-extra-permission-data-type" aria-label="Permalink for definition: extra permission data type. Activate to close this dialog.">Permalink</a>
         <span class="marker dfn-exported" title="Definition can be referenced by other specifications">exported</span> 
       </div>
       <p><b>Referenced in:</b></p>
       <ul>
     <li>
-    <a href="#ref-for-dfn-permission-revocation-algorithm-1" title="§ 2.2.1 Specifying a powerful feature">§ 2.2.1 Specifying a powerful feature</a> 
-  </li><li>
-    <a href="#ref-for-dfn-permission-revocation-algorithm-2" title="§ 2.6 Reacting to users revoking permission">§ 2.6 Reacting to users revoking permission</a> 
+    <a href="#ref-for-dfn-extra-permission-data-type-1" title="§ 3. Specifying a powerful feature">§ 3. Specifying a powerful feature</a> <a href="#ref-for-dfn-extra-permission-data-type-2" title="Reference 2">(2)</a> 
   </li>
   </ul>
-    </div><div class="dfn-panel" hidden="" role="dialog" aria-modal="true" id="dfn-panel-for-dfn-default-permission-state" aria-label="Links in this document to definition: Default permission state">
+    </div><div class="dfn-panel" hidden="" role="dialog" aria-modal="true" id="dfn-panel-for-dfn-extra-permission-data" aria-label="Links in this document to definition: extra permission data">
       <span class="caret"></span>
       <div>
-        <a class="self-link" href="#dfn-default-permission-state" aria-label="Permalink for definition: Default permission state. Activate to close this dialog.">Permalink</a>
+        <a class="self-link" href="#dfn-extra-permission-data" aria-label="Permalink for definition: extra permission data. Activate to close this dialog.">Permalink</a>
         <span class="marker dfn-exported" title="Definition can be referenced by other specifications">exported</span> 
       </div>
       <p><b>Referenced in:</b></p>
       <ul>
-      <li>Not referenced in this document.</li>
-    </ul>
-    </div><div class="dfn-panel" hidden="" role="dialog" aria-modal="true" id="dfn-panel-for-dfn-default-powerful-feature" aria-label="Links in this document to definition: default powerful feature">
+    <li>
+    <a href="#ref-for-dfn-extra-permission-data-1" title="§ 3. Specifying a powerful feature">§ 3. Specifying a powerful feature</a> <a href="#ref-for-dfn-extra-permission-data-2" title="Reference 2">(2)</a> <a href="#ref-for-dfn-extra-permission-data-3" title="Reference 3">(3)</a> 
+  </li>
+  </ul>
+    </div><div class="dfn-panel" hidden="" role="dialog" aria-modal="true" id="dfn-panel-for-dfn-extra-permission-data-constraints" aria-label="Links in this document to definition: extra permission data constraints">
       <span class="caret"></span>
       <div>
-        <a class="self-link" href="#dfn-default-powerful-feature" aria-label="Permalink for definition: default powerful feature. Activate to close this dialog.">Permalink</a>
+        <a class="self-link" href="#dfn-extra-permission-data-constraints" aria-label="Permalink for definition: extra permission data constraints. Activate to close this dialog.">Permalink</a>
         <span class="marker dfn-exported" title="Definition can be referenced by other specifications">exported</span> 
       </div>
       <p><b>Referenced in:</b></p>
       <ul>
     <li>
-    <a href="#ref-for-dfn-default-powerful-feature-1" title="§ 4.1 Screen wake lock">§ 4.1 Screen wake lock</a> 
+    <a href="#ref-for-dfn-extra-permission-data-constraints-1" title="§ 3. Specifying a powerful feature">§ 3. Specifying a powerful feature</a> 
   </li>
   </ul>
-    </div><div class="dfn-panel" hidden="" role="dialog" aria-modal="true" id="dfn-panel-for-dfn-aspects" aria-label="Links in this document to definition: aspects">
+    </div><div class="dfn-panel" hidden="" role="dialog" aria-modal="true" id="dfn-panel-for-dfn-permission-result-type" aria-label="Links in this document to definition: permission result type">
       <span class="caret"></span>
       <div>
-        <a class="self-link" href="#dfn-aspects" aria-label="Permalink for definition: aspects. Activate to close this dialog.">Permalink</a>
-         
+        <a class="self-link" href="#dfn-permission-result-type" aria-label="Permalink for definition: permission result type. Activate to close this dialog.">Permalink</a>
+        <span class="marker dfn-exported" title="Definition can be referenced by other specifications">exported</span> 
       </div>
       <p><b>Referenced in:</b></p>
       <ul>
     <li>
-    <a href="#ref-for-dfn-aspects-1" title="§ 2.2.2 Aspects">§ 2.2.2 Aspects</a> <a href="#ref-for-dfn-aspects-2" title="Reference 2">(2)</a> 
+    <a href="#ref-for-dfn-permission-result-type-1" title="§ 3. Specifying a powerful feature">§ 3. Specifying a powerful feature</a> <a href="#ref-for-dfn-permission-result-type-2" title="Reference 2">(2)</a> 
+  </li><li>
+    <a href="#ref-for-dfn-permission-result-type-3" title="§ 4.3.1 Creating instances">§ 4.3.1 Creating instances</a> 
   </li>
   </ul>
-    </div><div class="dfn-panel" hidden="" role="dialog" aria-modal="true" id="dfn-panel-for-dfn-getting-the-current-permission-state" aria-label="Links in this document to definition: get the current permission state">
+    </div><div class="dfn-panel" hidden="" role="dialog" aria-modal="true" id="dfn-panel-for-dfn-permission-query-algorithm" aria-label="Links in this document to definition: permission query algorithm">
       <span class="caret"></span>
       <div>
-        <a class="self-link" href="#dfn-getting-the-current-permission-state" aria-label="Permalink for definition: get the current permission state. Activate to close this dialog.">Permalink</a>
+        <a class="self-link" href="#dfn-permission-query-algorithm" aria-label="Permalink for definition: permission query algorithm. Activate to close this dialog.">Permalink</a>
         <span class="marker dfn-exported" title="Definition can be referenced by other specifications">exported</span> 
       </div>
       <p><b>Referenced in:</b></p>
       <ul>
     <li>
-    <a href="#ref-for-dfn-getting-the-current-permission-state-1" title="§ A. Relationship to the Permissions Policy specification">§ A. Relationship to the Permissions Policy specification</a> 
+    <a href="#ref-for-dfn-permission-query-algorithm-1" title="§ 4.2.1 query() method">§ 4.2.1 query() method</a> 
+  </li><li>
+    <a href="#ref-for-dfn-permission-query-algorithm-2" title="§ 4.3.4 onchange attribute">§ 4.3.4 onchange attribute</a> 
   </li>
   </ul>
-    </div><div class="dfn-panel" hidden="" role="dialog" aria-modal="true" id="dfn-panel-for-dfn-state" aria-label="Links in this document to definition: permission state">
+    </div><div class="dfn-panel" hidden="" role="dialog" aria-modal="true" id="dfn-panel-for-dfn-default-permission-query-algorithm" aria-label="Links in this document to definition: default permission query algorithm">
       <span class="caret"></span>
       <div>
-        <a class="self-link" href="#dfn-state" aria-label="Permalink for definition: permission state. Activate to close this dialog.">Permalink</a>
-        <span class="marker dfn-exported" title="Definition can be referenced by other specifications">exported</span> 
+        <a class="self-link" href="#dfn-default-permission-query-algorithm" aria-label="Permalink for definition: default permission query algorithm. Activate to close this dialog.">Permalink</a>
+         
       </div>
       <p><b>Referenced in:</b></p>
       <ul>
     <li>
-    <a href="#ref-for-dfn-state-1" title="§ 2.2.1 Specifying a powerful feature">§ 2.2.1 Specifying a powerful feature</a> <a href="#ref-for-dfn-state-2" title="Reference 2">(2)</a> <a href="#ref-for-dfn-state-3" title="Reference 3">(3)</a> <a href="#ref-for-dfn-state-4" title="Reference 4">(4)</a> <a href="#ref-for-dfn-state-5" title="Reference 5">(5)</a> <a href="#ref-for-dfn-state-6" title="Reference 6">(6)</a> <a href="#ref-for-dfn-state-7" title="Reference 7">(7)</a> 
-  </li><li>
-    <a href="#ref-for-dfn-state-8" title="§ 2.3 Reading the current permission state">§ 2.3 Reading the current permission state</a> <a href="#ref-for-dfn-state-9" title="Reference 2">(2)</a> <a href="#ref-for-dfn-state-10" title="Reference 3">(3)</a> 
-  </li><li>
-    <a href="#ref-for-dfn-state-11" title="§ 2.4 Requesting permission to use a powerful feature">§ 2.4 Requesting permission to use a powerful feature</a> 
-  </li><li>
-    <a href="#ref-for-dfn-state-12" title="§ 2.5 Prompt the user to choose">§ 2.5 Prompt the user to choose</a> <a href="#ref-for-dfn-state-13" title="Reference 2">(2)</a> 
-  </li><li>
-    <a href="#ref-for-dfn-state-14" title="§ A. Relationship to the Permissions Policy specification">§ A. Relationship to the Permissions Policy specification</a> 
-  </li><li>
-    <a href="#ref-for-dfn-state-15" title="§ C. Privacy considerations">§ C. Privacy considerations</a> 
+    <a href="#ref-for-dfn-default-permission-query-algorithm-1" title="§ 3. Specifying a powerful feature">§ 3. Specifying a powerful feature</a> 
   </li>
   </ul>
-    </div><div class="dfn-panel" hidden="" role="dialog" aria-modal="true" id="dfn-panel-for-dfn-request-permission-to-use" aria-label="Links in this document to definition: request permission to use">
+    </div><div class="dfn-panel" hidden="" role="dialog" aria-modal="true" id="dfn-panel-for-dfn-permission-revocation-algorithm" aria-label="Links in this document to definition: permission revocation algorithm">
       <span class="caret"></span>
       <div>
-        <a class="self-link" href="#dfn-request-permission-to-use" aria-label="Permalink for definition: request permission to use. Activate to close this dialog.">Permalink</a>
+        <a class="self-link" href="#dfn-permission-revocation-algorithm" aria-label="Permalink for definition: permission revocation algorithm. Activate to close this dialog.">Permalink</a>
         <span class="marker dfn-exported" title="Definition can be referenced by other specifications">exported</span> 
       </div>
       <p><b>Referenced in:</b></p>
       <ul>
     <li>
-    <a href="#ref-for-dfn-request-permission-to-use-1" title="§ 2.4 Requesting permission to use a powerful feature">§ 2.4 Requesting permission to use a powerful feature</a> <a href="#ref-for-dfn-request-permission-to-use-2" title="Reference 2">(2)</a> 
+    <a href="#ref-for-dfn-permission-revocation-algorithm-1" title="§ 2.6 Reacting to users revoking permission">§ 2.6 Reacting to users revoking permission</a> 
+  </li><li>
+    <a href="#ref-for-dfn-permission-revocation-algorithm-2" title="§ 3. Specifying a powerful feature">§ 3. Specifying a powerful feature</a> 
   </li>
   </ul>
-    </div><div class="dfn-panel" hidden="" role="dialog" aria-modal="true" id="dfn-panel-for-dfn-prompt-the-user-to-choose" aria-label="Links in this document to definition: prompt the user to choose">
+    </div><div class="dfn-panel" hidden="" role="dialog" aria-modal="true" id="dfn-panel-for-dfn-default-permission-state" aria-label="Links in this document to definition: Default permission state">
       <span class="caret"></span>
       <div>
-        <a class="self-link" href="#dfn-prompt-the-user-to-choose" aria-label="Permalink for definition: prompt the user to choose. Activate to close this dialog.">Permalink</a>
+        <a class="self-link" href="#dfn-default-permission-state" aria-label="Permalink for definition: Default permission state. Activate to close this dialog.">Permalink</a>
         <span class="marker dfn-exported" title="Definition can be referenced by other specifications">exported</span> 
       </div>
       <p><b>Referenced in:</b></p>
       <ul>
-    <li>
-    <a href="#ref-for-dfn-prompt-the-user-to-choose-1" title="§ 2.5 Prompt the user to choose">§ 2.5 Prompt the user to choose</a> <a href="#ref-for-dfn-prompt-the-user-to-choose-2" title="Reference 2">(2)</a> <a href="#ref-for-dfn-prompt-the-user-to-choose-3" title="Reference 3">(3)</a> 
-  </li>
-  </ul>
-    </div><div class="dfn-panel" hidden="" role="dialog" aria-modal="true" id="dfn-panel-for-dfn-react-to-the-user-revoking-permission" aria-label="Links in this document to definition: react to the user revoking permission">
+      <li>Not referenced in this document.</li>
+    </ul>
+    </div><div class="dfn-panel" hidden="" role="dialog" aria-modal="true" id="dfn-panel-for-dfn-default-powerful-feature" aria-label="Links in this document to definition: default powerful feature">
       <span class="caret"></span>
       <div>
-        <a class="self-link" href="#dfn-react-to-the-user-revoking-permission" aria-label="Permalink for definition: react to the user revoking permission. Activate to close this dialog.">Permalink</a>
-         
+        <a class="self-link" href="#dfn-default-powerful-feature" aria-label="Permalink for definition: default powerful feature. Activate to close this dialog.">Permalink</a>
+        <span class="marker dfn-exported" title="Definition can be referenced by other specifications">exported</span> 
       </div>
       <p><b>Referenced in:</b></p>
       <ul>
     <li>
-    <a href="#ref-for-dfn-react-to-the-user-revoking-permission-1" title="§ 2.2.1 Specifying a powerful feature">§ 2.2.1 Specifying a powerful feature</a> <a href="#ref-for-dfn-react-to-the-user-revoking-permission-2" title="Reference 2">(2)</a> 
+    <a href="#ref-for-dfn-default-powerful-feature-1" title="§ 5.1 Screen wake lock">§ 5.1 Screen wake lock</a> 
   </li>
   </ul>
     </div><div class="dfn-panel" hidden="" role="dialog" aria-modal="true" id="dfn-panel-for-dom-navigator-permissions" aria-label="Links in this document to definition: permissions">
@@ -2751,7 +2744,7 @@ <h2 id="subtitle" class="subtitle">
       <p><b>Referenced in:</b></p>
       <ul>
     <li>
-    <a href="#ref-for-dom-permissions-1" title="§ 2.2.1 Specifying a powerful feature">§ 2.2.1 Specifying a powerful feature</a> 
+    <a href="#ref-for-dom-permissions-1" title="§ 3. Specifying a powerful feature">§ 3. Specifying a powerful feature</a> 
   </li>
   </ul>
     </div><div class="dfn-panel" hidden="" role="dialog" aria-modal="true" id="dfn-panel-for-dom-permissiondescriptor" aria-label="Links in this document to definition: PermissionDescriptor">
@@ -2763,19 +2756,19 @@ <h2 id="subtitle" class="subtitle">
       <p><b>Referenced in:</b></p>
       <ul>
     <li>
-    <a href="#ref-for-dom-permissiondescriptor-1" title="§ 2.2.1 Specifying a powerful feature">§ 2.2.1 Specifying a powerful feature</a> <a href="#ref-for-dom-permissiondescriptor-2" title="Reference 2">(2)</a> <a href="#ref-for-dom-permissiondescriptor-3" title="Reference 3">(3)</a> 
+    <a href="#ref-for-dom-permissiondescriptor-1" title="§ 2.2.1 Aspects">§ 2.2.1 Aspects</a> <a href="#ref-for-dom-permissiondescriptor-2" title="Reference 2">(2)</a> 
   </li><li>
-    <a href="#ref-for-dom-permissiondescriptor-4" title="§ 2.2.2 Aspects">§ 2.2.2 Aspects</a> <a href="#ref-for-dom-permissiondescriptor-5" title="Reference 2">(2)</a> 
+    <a href="#ref-for-dom-permissiondescriptor-3" title="§ 2.3 Reading the current permission state">§ 2.3 Reading the current permission state</a> <a href="#ref-for-dom-permissiondescriptor-4" title="Reference 2">(2)</a> 
   </li><li>
-    <a href="#ref-for-dom-permissiondescriptor-6" title="§ 2.3 Reading the current permission state">§ 2.3 Reading the current permission state</a> <a href="#ref-for-dom-permissiondescriptor-7" title="Reference 2">(2)</a> 
+    <a href="#ref-for-dom-permissiondescriptor-5" title="§ 2.4 Requesting permission to use a powerful feature">§ 2.4 Requesting permission to use a powerful feature</a> 
   </li><li>
-    <a href="#ref-for-dom-permissiondescriptor-8" title="§ 2.4 Requesting permission to use a powerful feature">§ 2.4 Requesting permission to use a powerful feature</a> 
+    <a href="#ref-for-dom-permissiondescriptor-6" title="§ 2.5 Prompt the user to choose">§ 2.5 Prompt the user to choose</a> 
   </li><li>
-    <a href="#ref-for-dom-permissiondescriptor-9" title="§ 2.5 Prompt the user to choose">§ 2.5 Prompt the user to choose</a> 
+    <a href="#ref-for-dom-permissiondescriptor-7" title="§ 3. Specifying a powerful feature">§ 3. Specifying a powerful feature</a> <a href="#ref-for-dom-permissiondescriptor-8" title="Reference 2">(2)</a> <a href="#ref-for-dom-permissiondescriptor-9" title="Reference 3">(3)</a> 
   </li><li>
-    <a href="#ref-for-dom-permissiondescriptor-10" title="§ 3.2.1 query() method">§ 3.2.1 query() method</a> 
+    <a href="#ref-for-dom-permissiondescriptor-10" title="§ 4.2.1 query() method">§ 4.2.1 query() method</a> 
   </li><li>
-    <a href="#ref-for-dom-permissiondescriptor-11" title="§ 3.3.1 Creating instances">§ 3.3.1 Creating instances</a> 
+    <a href="#ref-for-dom-permissiondescriptor-11" title="§ 4.3.1 Creating instances">§ 4.3.1 Creating instances</a> 
   </li>
   </ul>
     </div><div class="dfn-panel" hidden="" role="dialog" aria-modal="true" id="dfn-panel-for-dom-permissiondescriptor-name" aria-label="Links in this document to definition: name">
@@ -2793,11 +2786,11 @@ <h2 id="subtitle" class="subtitle">
   </li><li>
     <a href="#ref-for-dom-permissiondescriptor-name-7" title="§ 2.5 Prompt the user to choose">§ 2.5 Prompt the user to choose</a> 
   </li><li>
-    <a href="#ref-for-dom-permissiondescriptor-name-8" title="§ 3.2.1 query() method">§ 3.2.1 query() method</a> <a href="#ref-for-dom-permissiondescriptor-name-9" title="Reference 2">(2)</a> 
+    <a href="#ref-for-dom-permissiondescriptor-name-8" title="§ 4.2.1 query() method">§ 4.2.1 query() method</a> <a href="#ref-for-dom-permissiondescriptor-name-9" title="Reference 2">(2)</a> 
   </li><li>
-    <a href="#ref-for-dom-permissiondescriptor-name-10" title="§ 3.3.1 Creating instances">§ 3.3.1 Creating instances</a> 
+    <a href="#ref-for-dom-permissiondescriptor-name-10" title="§ 4.3.1 Creating instances">§ 4.3.1 Creating instances</a> 
   </li><li>
-    <a href="#ref-for-dom-permissiondescriptor-name-11" title="§ 3.3.4 onchange attribute">§ 3.3.4 onchange attribute</a> 
+    <a href="#ref-for-dom-permissiondescriptor-name-11" title="§ 4.3.4 onchange attribute">§ 4.3.4 onchange attribute</a> 
   </li>
   </ul>
     </div><div class="dfn-panel" hidden="" role="dialog" aria-modal="true" id="dfn-panel-for-dom-permissions-query" aria-label="Links in this document to definition: query()">
@@ -2809,9 +2802,9 @@ <h2 id="subtitle" class="subtitle">
       <p><b>Referenced in:</b></p>
       <ul>
     <li>
-    <a href="#ref-for-dom-permissions-query-1" title="§ 2.2.1 Specifying a powerful feature">§ 2.2.1 Specifying a powerful feature</a> 
+    <a href="#ref-for-dom-permissions-query-1" title="§ 3. Specifying a powerful feature">§ 3. Specifying a powerful feature</a> 
   </li><li>
-    <a href="#ref-for-dom-permissions-query-2" title="§ 3.2 Permissions interface">§ 3.2 Permissions interface</a> 
+    <a href="#ref-for-dom-permissions-query-2" title="§ 4.2 Permissions interface">§ 4.2 Permissions interface</a> 
   </li><li>
     <a href="#ref-for-dom-permissions-query-3" title="§ E. IDL Index">§ E. IDL Index</a> 
   </li>
@@ -2835,17 +2828,17 @@ <h2 id="subtitle" class="subtitle">
       <p><b>Referenced in:</b></p>
       <ul>
     <li>
-    <a href="#ref-for-dom-permissionstatus-1" title="§ 2.2.1 Specifying a powerful feature">§ 2.2.1 Specifying a powerful feature</a> <a href="#ref-for-dom-permissionstatus-2" title="Reference 2">(2)</a> <a href="#ref-for-dom-permissionstatus-3" title="Reference 3">(3)</a> 
+    <a href="#ref-for-dom-permissionstatus-1" title="§ 2.2.1 Aspects">§ 2.2.1 Aspects</a> 
   </li><li>
-    <a href="#ref-for-dom-permissionstatus-4" title="§ 2.2.2 Aspects">§ 2.2.2 Aspects</a> 
+    <a href="#ref-for-dom-permissionstatus-2" title="§ 3. Specifying a powerful feature">§ 3. Specifying a powerful feature</a> <a href="#ref-for-dom-permissionstatus-3" title="Reference 2">(2)</a> <a href="#ref-for-dom-permissionstatus-4" title="Reference 3">(3)</a> 
   </li><li>
-    <a href="#ref-for-dom-permissionstatus-5" title="§ 3.2 Permissions interface">§ 3.2 Permissions interface</a> 
+    <a href="#ref-for-dom-permissionstatus-5" title="§ 4.2 Permissions interface">§ 4.2 Permissions interface</a> 
   </li><li>
-    <a href="#ref-for-dom-permissionstatus-6" title="§ 3.3 PermissionStatus interface">§ 3.3 PermissionStatus interface</a> 
+    <a href="#ref-for-dom-permissionstatus-6" title="§ 4.3 PermissionStatus interface">§ 4.3 PermissionStatus interface</a> 
   </li><li>
-    <a href="#ref-for-dom-permissionstatus-7" title="§ 3.3.4 onchange attribute">§ 3.3.4 onchange attribute</a> 
+    <a href="#ref-for-dom-permissionstatus-7" title="§ 4.3.4 onchange attribute">§ 4.3.4 onchange attribute</a> 
   </li><li>
-    <a href="#ref-for-dom-permissionstatus-8" title="§ 3.3.5 Garbage collection">§ 3.3.5 Garbage collection</a> 
+    <a href="#ref-for-dom-permissionstatus-8" title="§ 4.3.5 Garbage collection">§ 4.3.5 Garbage collection</a> 
   </li><li>
     <a href="#ref-for-dom-permissionstatus-9" title="§ E. IDL Index">§ E. IDL Index</a> 
   </li>
@@ -2859,9 +2852,9 @@ <h2 id="subtitle" class="subtitle">
       <p><b>Referenced in:</b></p>
       <ul>
     <li>
-    <a href="#ref-for-dom-permissionstate-1" title="§ 2.2.1 Specifying a powerful feature">§ 2.2.1 Specifying a powerful feature</a> <a href="#ref-for-dom-permissionstate-2" title="Reference 2">(2)</a> 
+    <a href="#ref-for-dom-permissionstate-1" title="§ 3. Specifying a powerful feature">§ 3. Specifying a powerful feature</a> <a href="#ref-for-dom-permissionstate-2" title="Reference 2">(2)</a> 
   </li><li>
-    <a href="#ref-for-dom-permissionstate-3" title="§ 3.3 PermissionStatus interface">§ 3.3 PermissionStatus interface</a> 
+    <a href="#ref-for-dom-permissionstate-3" title="§ 4.3 PermissionStatus interface">§ 4.3 PermissionStatus interface</a> 
   </li><li>
     <a href="#ref-for-dom-permissionstate-4" title="§ E. IDL Index">§ E. IDL Index</a> 
   </li>
@@ -2875,11 +2868,11 @@ <h2 id="subtitle" class="subtitle">
       <p><b>Referenced in:</b></p>
       <ul>
     <li>
-    <a href="#ref-for-dfn-query-1" title="§ 3.2.1 query() method">§ 3.2.1 query() method</a> 
+    <a href="#ref-for-dfn-query-1" title="§ 4.2.1 query() method">§ 4.2.1 query() method</a> 
   </li><li>
-    <a href="#ref-for-dfn-query-2" title="§ 3.3.1 Creating instances">§ 3.3.1 Creating instances</a> 
+    <a href="#ref-for-dfn-query-2" title="§ 4.3.1 Creating instances">§ 4.3.1 Creating instances</a> 
   </li><li>
-    <a href="#ref-for-dfn-query-3" title="§ 3.3.4 onchange attribute">§ 3.3.4 onchange attribute</a> 
+    <a href="#ref-for-dfn-query-3" title="§ 4.3.4 onchange attribute">§ 4.3.4 onchange attribute</a> 
   </li>
   </ul>
     </div><div class="dfn-panel" hidden="" role="dialog" aria-modal="true" id="dfn-panel-for-dom-permissionstate-granted" aria-label="Links in this document to definition: granted">
@@ -2891,15 +2884,15 @@ <h2 id="subtitle" class="subtitle">
       <p><b>Referenced in:</b></p>
       <ul>
     <li>
-    <a href="#ref-for-dom-permissionstate-granted-1" title="§ 2.2.1 Specifying a powerful feature">§ 2.2.1 Specifying a powerful feature</a> <a href="#ref-for-dom-permissionstate-granted-2" title="Reference 2">(2)</a> 
+    <a href="#ref-for-dom-permissionstate-granted-1" title="§ 2.3 Reading the current permission state">§ 2.3 Reading the current permission state</a> <a href="#ref-for-dom-permissionstate-granted-2" title="Reference 2">(2)</a> 
   </li><li>
-    <a href="#ref-for-dom-permissionstate-granted-3" title="§ 2.3 Reading the current permission state">§ 2.3 Reading the current permission state</a> <a href="#ref-for-dom-permissionstate-granted-4" title="Reference 2">(2)</a> 
+    <a href="#ref-for-dom-permissionstate-granted-3" title="§ 2.4 Requesting permission to use a powerful feature">§ 2.4 Requesting permission to use a powerful feature</a> <a href="#ref-for-dom-permissionstate-granted-4" title="Reference 2">(2)</a> 
   </li><li>
-    <a href="#ref-for-dom-permissionstate-granted-5" title="§ 2.4 Requesting permission to use a powerful feature">§ 2.4 Requesting permission to use a powerful feature</a> <a href="#ref-for-dom-permissionstate-granted-6" title="Reference 2">(2)</a> 
+    <a href="#ref-for-dom-permissionstate-granted-5" title="§ 2.5 Prompt the user to choose">§ 2.5 Prompt the user to choose</a> 
   </li><li>
-    <a href="#ref-for-dom-permissionstate-granted-7" title="§ 2.5 Prompt the user to choose">§ 2.5 Prompt the user to choose</a> 
+    <a href="#ref-for-dom-permissionstate-granted-6" title="§ 3. Specifying a powerful feature">§ 3. Specifying a powerful feature</a> <a href="#ref-for-dom-permissionstate-granted-7" title="Reference 2">(2)</a> 
   </li><li>
-    <a href="#ref-for-dom-permissionstate-granted-8" title="§ 3.3 PermissionStatus interface">§ 3.3 PermissionStatus interface</a> 
+    <a href="#ref-for-dom-permissionstate-granted-8" title="§ 4.3 PermissionStatus interface">§ 4.3 PermissionStatus interface</a> 
   </li><li>
     <a href="#ref-for-dom-permissionstate-granted-9" title="§ E. IDL Index">§ E. IDL Index</a> 
   </li>
@@ -2913,17 +2906,17 @@ <h2 id="subtitle" class="subtitle">
       <p><b>Referenced in:</b></p>
       <ul>
     <li>
-    <a href="#ref-for-dom-permissionstate-denied-1" title="§ 2.2.1 Specifying a powerful feature">§ 2.2.1 Specifying a powerful feature</a> <a href="#ref-for-dom-permissionstate-denied-2" title="Reference 2">(2)</a> 
+    <a href="#ref-for-dom-permissionstate-denied-1" title="§ 2.2.1 Aspects">§ 2.2.1 Aspects</a> 
   </li><li>
-    <a href="#ref-for-dom-permissionstate-denied-3" title="§ 2.2.2 Aspects">§ 2.2.2 Aspects</a> 
+    <a href="#ref-for-dom-permissionstate-denied-2" title="§ 2.3 Reading the current permission state">§ 2.3 Reading the current permission state</a> <a href="#ref-for-dom-permissionstate-denied-3" title="Reference 2">(2)</a> <a href="#ref-for-dom-permissionstate-denied-4" title="Reference 3">(3)</a> <a href="#ref-for-dom-permissionstate-denied-5" title="Reference 4">(4)</a> 
   </li><li>
-    <a href="#ref-for-dom-permissionstate-denied-4" title="§ 2.3 Reading the current permission state">§ 2.3 Reading the current permission state</a> <a href="#ref-for-dom-permissionstate-denied-5" title="Reference 2">(2)</a> <a href="#ref-for-dom-permissionstate-denied-6" title="Reference 3">(3)</a> <a href="#ref-for-dom-permissionstate-denied-7" title="Reference 4">(4)</a> 
+    <a href="#ref-for-dom-permissionstate-denied-6" title="§ 2.4 Requesting permission to use a powerful feature">§ 2.4 Requesting permission to use a powerful feature</a> <a href="#ref-for-dom-permissionstate-denied-7" title="Reference 2">(2)</a> 
   </li><li>
-    <a href="#ref-for-dom-permissionstate-denied-8" title="§ 2.4 Requesting permission to use a powerful feature">§ 2.4 Requesting permission to use a powerful feature</a> <a href="#ref-for-dom-permissionstate-denied-9" title="Reference 2">(2)</a> 
+    <a href="#ref-for-dom-permissionstate-denied-8" title="§ 2.5 Prompt the user to choose">§ 2.5 Prompt the user to choose</a> <a href="#ref-for-dom-permissionstate-denied-9" title="Reference 2">(2)</a> <a href="#ref-for-dom-permissionstate-denied-10" title="Reference 3">(3)</a> <a href="#ref-for-dom-permissionstate-denied-11" title="Reference 4">(4)</a> 
   </li><li>
-    <a href="#ref-for-dom-permissionstate-denied-10" title="§ 2.5 Prompt the user to choose">§ 2.5 Prompt the user to choose</a> <a href="#ref-for-dom-permissionstate-denied-11" title="Reference 2">(2)</a> <a href="#ref-for-dom-permissionstate-denied-12" title="Reference 3">(3)</a> <a href="#ref-for-dom-permissionstate-denied-13" title="Reference 4">(4)</a> 
+    <a href="#ref-for-dom-permissionstate-denied-12" title="§ 3. Specifying a powerful feature">§ 3. Specifying a powerful feature</a> <a href="#ref-for-dom-permissionstate-denied-13" title="Reference 2">(2)</a> 
   </li><li>
-    <a href="#ref-for-dom-permissionstate-denied-14" title="§ 3.3 PermissionStatus interface">§ 3.3 PermissionStatus interface</a> 
+    <a href="#ref-for-dom-permissionstate-denied-14" title="§ 4.3 PermissionStatus interface">§ 4.3 PermissionStatus interface</a> 
   </li><li>
     <a href="#ref-for-dom-permissionstate-denied-15" title="§ E. IDL Index">§ E. IDL Index</a> 
   </li>
@@ -2937,13 +2930,13 @@ <h2 id="subtitle" class="subtitle">
       <p><b>Referenced in:</b></p>
       <ul>
     <li>
-    <a href="#ref-for-dom-permissionstate-prompt-1" title="§ 2.2.1 Specifying a powerful feature">§ 2.2.1 Specifying a powerful feature</a> 
+    <a href="#ref-for-dom-permissionstate-prompt-1" title="§ 2.3 Reading the current permission state">§ 2.3 Reading the current permission state</a> <a href="#ref-for-dom-permissionstate-prompt-2" title="Reference 2">(2)</a> 
   </li><li>
-    <a href="#ref-for-dom-permissionstate-prompt-2" title="§ 2.3 Reading the current permission state">§ 2.3 Reading the current permission state</a> <a href="#ref-for-dom-permissionstate-prompt-3" title="Reference 2">(2)</a> 
+    <a href="#ref-for-dom-permissionstate-prompt-3" title="§ 2.4 Requesting permission to use a powerful feature">§ 2.4 Requesting permission to use a powerful feature</a> 
   </li><li>
-    <a href="#ref-for-dom-permissionstate-prompt-4" title="§ 2.4 Requesting permission to use a powerful feature">§ 2.4 Requesting permission to use a powerful feature</a> 
+    <a href="#ref-for-dom-permissionstate-prompt-4" title="§ 3. Specifying a powerful feature">§ 3. Specifying a powerful feature</a> 
   </li><li>
-    <a href="#ref-for-dom-permissionstate-prompt-5" title="§ 3.3 PermissionStatus interface">§ 3.3 PermissionStatus interface</a> 
+    <a href="#ref-for-dom-permissionstate-prompt-5" title="§ 4.3 PermissionStatus interface">§ 4.3 PermissionStatus interface</a> 
   </li><li>
     <a href="#ref-for-dom-permissionstate-prompt-6" title="§ E. IDL Index">§ E. IDL Index</a> 
   </li>
@@ -2957,7 +2950,7 @@ <h2 id="subtitle" class="subtitle">
       <p><b>Referenced in:</b></p>
       <ul>
     <li>
-    <a href="#ref-for-dfn-create-a-permissionstatus-1" title="§ 3.2.1 query() method">§ 3.2.1 query() method</a> 
+    <a href="#ref-for-dfn-create-a-permissionstatus-1" title="§ 4.2.1 query() method">§ 4.2.1 query() method</a> 
   </li>
   </ul>
     </div><div class="dfn-panel" hidden="" role="dialog" aria-modal="true" id="dfn-panel-for-dom-permissionstatus-name" aria-label="Links in this document to definition: name">
@@ -2969,9 +2962,9 @@ <h2 id="subtitle" class="subtitle">
       <p><b>Referenced in:</b></p>
       <ul>
     <li>
-    <a href="#ref-for-dom-permissionstatus-name-1" title="§ 3.3 PermissionStatus interface">§ 3.3 PermissionStatus interface</a> 
+    <a href="#ref-for-dom-permissionstatus-name-1" title="§ 4.3 PermissionStatus interface">§ 4.3 PermissionStatus interface</a> 
   </li><li>
-    <a href="#ref-for-dom-permissionstatus-name-2" title="§ 3.3.1 Creating instances">§ 3.3.1 Creating instances</a> 
+    <a href="#ref-for-dom-permissionstatus-name-2" title="§ 4.3.1 Creating instances">§ 4.3.1 Creating instances</a> 
   </li><li>
     <a href="#ref-for-dom-permissionstatus-name-3" title="§ E. IDL Index">§ E. IDL Index</a> 
   </li>
@@ -2985,9 +2978,9 @@ <h2 id="subtitle" class="subtitle">
       <p><b>Referenced in:</b></p>
       <ul>
     <li>
-    <a href="#ref-for-dom-permissionstatus-state-1" title="§ 2.2.2 Aspects">§ 2.2.2 Aspects</a> 
+    <a href="#ref-for-dom-permissionstatus-state-1" title="§ 2.2.1 Aspects">§ 2.2.1 Aspects</a> 
   </li><li>
-    <a href="#ref-for-dom-permissionstatus-state-2" title="§ 3.3 PermissionStatus interface">§ 3.3 PermissionStatus interface</a> 
+    <a href="#ref-for-dom-permissionstatus-state-2" title="§ 4.3 PermissionStatus interface">§ 4.3 PermissionStatus interface</a> 
   </li><li>
     <a href="#ref-for-dom-permissionstatus-state-3" title="§ E. IDL Index">§ E. IDL Index</a> 
   </li>
@@ -3001,7 +2994,7 @@ <h2 id="subtitle" class="subtitle">
       <p><b>Referenced in:</b></p>
       <ul>
     <li>
-    <a href="#ref-for-dom-permissionstatus-onchange-1" title="§ 3.3 PermissionStatus interface">§ 3.3 PermissionStatus interface</a> 
+    <a href="#ref-for-dom-permissionstatus-onchange-1" title="§ 4.3 PermissionStatus interface">§ 4.3 PermissionStatus interface</a> 
   </li><li>
     <a href="#ref-for-dom-permissionstatus-onchange-2" title="§ E. IDL Index">§ E. IDL Index</a> 
   </li>
@@ -3015,7 +3008,7 @@ <h2 id="subtitle" class="subtitle">
       <p><b>Referenced in:</b></p>
       <ul>
     <li>
-    <a href="#ref-for-dfn-permissionstatus-update-steps-1" title="§ 2.2.1 Specifying a powerful feature">§ 2.2.1 Specifying a powerful feature</a> 
+    <a href="#ref-for-dfn-permissionstatus-update-steps-1" title="§ 3. Specifying a powerful feature">§ 3. Specifying a powerful feature</a> 
   </li>
   </ul>
     </div><div class="dfn-panel" hidden="" role="dialog" aria-modal="true" id="dfn-panel-for-dfn-permissions-task-source" aria-label="Links in this document to definition: permissions task source">
@@ -3027,7 +3020,7 @@ <h2 id="subtitle" class="subtitle">
       <p><b>Referenced in:</b></p>
       <ul>
     <li>
-    <a href="#ref-for-dfn-permissions-task-source-1" title="§ 2.2.1 Specifying a powerful feature">§ 2.2.1 Specifying a powerful feature</a> 
+    <a href="#ref-for-dfn-permissions-task-source-1" title="§ 3. Specifying a powerful feature">§ 3. Specifying a powerful feature</a> 
   </li>
   </ul>
     </div><div class="dfn-panel" hidden="" role="dialog" aria-modal="true" id="dfn-panel-for-dom-permissionname" aria-label="Links in this document to definition: PermissionName">
@@ -3039,21 +3032,19 @@ <h2 id="subtitle" class="subtitle">
       <p><b>Referenced in:</b></p>
       <ul>
     <li>
-    <a href="#ref-for-dom-permissionname-1" title="§ 2.2.1 Specifying a powerful feature">§ 2.2.1 Specifying a powerful feature</a> <a href="#ref-for-dom-permissionname-2" title="Reference 2">(2)</a> 
-  </li><li>
-    <a href="#ref-for-dom-permissionname-3" title="§ 2.3 Reading the current permission state">§ 2.3 Reading the current permission state</a> 
+    <a href="#ref-for-dom-permissionname-1" title="§ 2.3 Reading the current permission state">§ 2.3 Reading the current permission state</a> 
   </li><li>
-    <a href="#ref-for-dom-permissionname-4" title="§ 2.4 Requesting permission to use a powerful feature">§ 2.4 Requesting permission to use a powerful feature</a> 
+    <a href="#ref-for-dom-permissionname-2" title="§ 2.4 Requesting permission to use a powerful feature">§ 2.4 Requesting permission to use a powerful feature</a> 
   </li><li>
-    <a href="#ref-for-dom-permissionname-5" title="§ 2.5 Prompt the user to choose">§ 2.5 Prompt the user to choose</a> 
+    <a href="#ref-for-dom-permissionname-3" title="§ 2.5 Prompt the user to choose">§ 2.5 Prompt the user to choose</a> 
   </li><li>
-    <a href="#ref-for-dom-permissionname-6" title="§ 3.2 Permissions interface">§ 3.2 Permissions interface</a> 
+    <a href="#ref-for-dom-permissionname-4" title="§ 4.2 Permissions interface">§ 4.2 Permissions interface</a> 
   </li><li>
-    <a href="#ref-for-dom-permissionname-7" title="§ 3.3 PermissionStatus interface">§ 3.3 PermissionStatus interface</a> 
+    <a href="#ref-for-dom-permissionname-5" title="§ 4.3 PermissionStatus interface">§ 4.3 PermissionStatus interface</a> 
   </li><li>
-    <a href="#ref-for-dom-permissionname-8" title="§ 4. Powerful features registry">§ 4. Powerful features registry</a> 
+    <a href="#ref-for-dom-permissionname-6" title="§ 5. Powerful features registry">§ 5. Powerful features registry</a> 
   </li><li>
-    <a href="#ref-for-dom-permissionname-9" title="§ E. IDL Index">§ E. IDL Index</a> <a href="#ref-for-dom-permissionname-10" title="Reference 2">(2)</a> 
+    <a href="#ref-for-dom-permissionname-7" title="§ E. IDL Index">§ E. IDL Index</a> <a href="#ref-for-dom-permissionname-8" title="Reference 2">(2)</a> 
   </li>
   </ul>
     </div><div class="dfn-panel" hidden="" role="dialog" aria-modal="true" id="dfn-panel-for-dom-permissionname-accelerometer" aria-label="Links in this document to definition: accelerometer">
@@ -3065,7 +3056,7 @@ <h2 id="subtitle" class="subtitle">
       <p><b>Referenced in:</b></p>
       <ul>
     <li>
-    <a href="#ref-for-dom-permissionname-accelerometer-1" title="§ 4. Powerful features registry">§ 4. Powerful features registry</a> 
+    <a href="#ref-for-dom-permissionname-accelerometer-1" title="§ 5. Powerful features registry">§ 5. Powerful features registry</a> 
   </li><li>
     <a href="#ref-for-dom-permissionname-accelerometer-2" title="§ E. IDL Index">§ E. IDL Index</a> 
   </li>
@@ -3079,7 +3070,7 @@ <h2 id="subtitle" class="subtitle">
       <p><b>Referenced in:</b></p>
       <ul>
     <li>
-    <a href="#ref-for-dom-permissionname-ambient-light-sensor-1" title="§ 4. Powerful features registry">§ 4. Powerful features registry</a> 
+    <a href="#ref-for-dom-permissionname-ambient-light-sensor-1" title="§ 5. Powerful features registry">§ 5. Powerful features registry</a> 
   </li><li>
     <a href="#ref-for-dom-permissionname-ambient-light-sensor-2" title="§ E. IDL Index">§ E. IDL Index</a> 
   </li>
@@ -3093,7 +3084,7 @@ <h2 id="subtitle" class="subtitle">
       <p><b>Referenced in:</b></p>
       <ul>
     <li>
-    <a href="#ref-for-dom-permissionname-background-fetch-1" title="§ 4. Powerful features registry">§ 4. Powerful features registry</a> 
+    <a href="#ref-for-dom-permissionname-background-fetch-1" title="§ 5. Powerful features registry">§ 5. Powerful features registry</a> 
   </li><li>
     <a href="#ref-for-dom-permissionname-background-fetch-2" title="§ E. IDL Index">§ E. IDL Index</a> 
   </li>
@@ -3107,7 +3098,7 @@ <h2 id="subtitle" class="subtitle">
       <p><b>Referenced in:</b></p>
       <ul>
     <li>
-    <a href="#ref-for-dom-permissionname-background-sync-1" title="§ 4. Powerful features registry">§ 4. Powerful features registry</a> 
+    <a href="#ref-for-dom-permissionname-background-sync-1" title="§ 5. Powerful features registry">§ 5. Powerful features registry</a> 
   </li><li>
     <a href="#ref-for-dom-permissionname-background-sync-2" title="§ E. IDL Index">§ E. IDL Index</a> 
   </li>
@@ -3121,7 +3112,7 @@ <h2 id="subtitle" class="subtitle">
       <p><b>Referenced in:</b></p>
       <ul>
     <li>
-    <a href="#ref-for-dom-permissionname-bluetooth-1" title="§ 4. Powerful features registry">§ 4. Powerful features registry</a> 
+    <a href="#ref-for-dom-permissionname-bluetooth-1" title="§ 5. Powerful features registry">§ 5. Powerful features registry</a> 
   </li><li>
     <a href="#ref-for-dom-permissionname-bluetooth-2" title="§ E. IDL Index">§ E. IDL Index</a> 
   </li>
@@ -3135,7 +3126,7 @@ <h2 id="subtitle" class="subtitle">
       <p><b>Referenced in:</b></p>
       <ul>
     <li>
-    <a href="#ref-for-dom-permissionname-camera-1" title="§ 4. Powerful features registry">§ 4. Powerful features registry</a> 
+    <a href="#ref-for-dom-permissionname-camera-1" title="§ 5. Powerful features registry">§ 5. Powerful features registry</a> 
   </li><li>
     <a href="#ref-for-dom-permissionname-camera-2" title="§ E. IDL Index">§ E. IDL Index</a> 
   </li>
@@ -3149,7 +3140,7 @@ <h2 id="subtitle" class="subtitle">
       <p><b>Referenced in:</b></p>
       <ul>
     <li>
-    <a href="#ref-for-dom-permissionname-microphone-1" title="§ 4. Powerful features registry">§ 4. Powerful features registry</a> 
+    <a href="#ref-for-dom-permissionname-microphone-1" title="§ 5. Powerful features registry">§ 5. Powerful features registry</a> 
   </li><li>
     <a href="#ref-for-dom-permissionname-microphone-2" title="§ E. IDL Index">§ E. IDL Index</a> 
   </li>
@@ -3163,7 +3154,7 @@ <h2 id="subtitle" class="subtitle">
       <p><b>Referenced in:</b></p>
       <ul>
     <li>
-    <a href="#ref-for-dom-permissionname-display-capture-1" title="§ 4. Powerful features registry">§ 4. Powerful features registry</a> 
+    <a href="#ref-for-dom-permissionname-display-capture-1" title="§ 5. Powerful features registry">§ 5. Powerful features registry</a> 
   </li><li>
     <a href="#ref-for-dom-permissionname-display-capture-2" title="§ E. IDL Index">§ E. IDL Index</a> 
   </li>
@@ -3177,7 +3168,7 @@ <h2 id="subtitle" class="subtitle">
       <p><b>Referenced in:</b></p>
       <ul>
     <li>
-    <a href="#ref-for-dom-permissionname-geolocation-1" title="§ 4. Powerful features registry">§ 4. Powerful features registry</a> 
+    <a href="#ref-for-dom-permissionname-geolocation-1" title="§ 5. Powerful features registry">§ 5. Powerful features registry</a> 
   </li><li>
     <a href="#ref-for-dom-permissionname-geolocation-2" title="§ E. IDL Index">§ E. IDL Index</a> 
   </li>
@@ -3191,7 +3182,7 @@ <h2 id="subtitle" class="subtitle">
       <p><b>Referenced in:</b></p>
       <ul>
     <li>
-    <a href="#ref-for-dom-permissionname-gyroscope-1" title="§ 4. Powerful features registry">§ 4. Powerful features registry</a> 
+    <a href="#ref-for-dom-permissionname-gyroscope-1" title="§ 5. Powerful features registry">§ 5. Powerful features registry</a> 
   </li><li>
     <a href="#ref-for-dom-permissionname-gyroscope-2" title="§ E. IDL Index">§ E. IDL Index</a> 
   </li>
@@ -3205,7 +3196,7 @@ <h2 id="subtitle" class="subtitle">
       <p><b>Referenced in:</b></p>
       <ul>
     <li>
-    <a href="#ref-for-dom-permissionname-magnetometer-1" title="§ 4. Powerful features registry">§ 4. Powerful features registry</a> 
+    <a href="#ref-for-dom-permissionname-magnetometer-1" title="§ 5. Powerful features registry">§ 5. Powerful features registry</a> 
   </li><li>
     <a href="#ref-for-dom-permissionname-magnetometer-2" title="§ E. IDL Index">§ E. IDL Index</a> 
   </li>
@@ -3219,11 +3210,9 @@ <h2 id="subtitle" class="subtitle">
       <p><b>Referenced in:</b></p>
       <ul>
     <li>
-    <a href="#ref-for-dom-permissionname-midi-1" title="§ 2.2.1 Specifying a powerful feature">§ 2.2.1 Specifying a powerful feature</a> <a href="#ref-for-dom-permissionname-midi-2" title="Reference 2">(2)</a> 
-  </li><li>
-    <a href="#ref-for-dom-permissionname-midi-3" title="§ 4. Powerful features registry">§ 4. Powerful features registry</a> 
+    <a href="#ref-for-dom-permissionname-midi-1" title="§ 5. Powerful features registry">§ 5. Powerful features registry</a> 
   </li><li>
-    <a href="#ref-for-dom-permissionname-midi-4" title="§ E. IDL Index">§ E. IDL Index</a> 
+    <a href="#ref-for-dom-permissionname-midi-2" title="§ E. IDL Index">§ E. IDL Index</a> 
   </li>
   </ul>
     </div><div class="dfn-panel" hidden="" role="dialog" aria-modal="true" id="dfn-panel-for-dom-permissionname-nfc" aria-label="Links in this document to definition: nfc">
@@ -3235,7 +3224,7 @@ <h2 id="subtitle" class="subtitle">
       <p><b>Referenced in:</b></p>
       <ul>
     <li>
-    <a href="#ref-for-dom-permissionname-nfc-1" title="§ 4. Powerful features registry">§ 4. Powerful features registry</a> 
+    <a href="#ref-for-dom-permissionname-nfc-1" title="§ 5. Powerful features registry">§ 5. Powerful features registry</a> 
   </li><li>
     <a href="#ref-for-dom-permissionname-nfc-2" title="§ E. IDL Index">§ E. IDL Index</a> 
   </li>
@@ -3249,7 +3238,7 @@ <h2 id="subtitle" class="subtitle">
       <p><b>Referenced in:</b></p>
       <ul>
     <li>
-    <a href="#ref-for-dom-permissionname-notifications-1" title="§ 4. Powerful features registry">§ 4. Powerful features registry</a> 
+    <a href="#ref-for-dom-permissionname-notifications-1" title="§ 5. Powerful features registry">§ 5. Powerful features registry</a> 
   </li><li>
     <a href="#ref-for-dom-permissionname-notifications-2" title="§ E. IDL Index">§ E. IDL Index</a> 
   </li>
@@ -3263,7 +3252,7 @@ <h2 id="subtitle" class="subtitle">
       <p><b>Referenced in:</b></p>
       <ul>
     <li>
-    <a href="#ref-for-dom-permissionname-persistent-storage-1" title="§ 4. Powerful features registry">§ 4. Powerful features registry</a> 
+    <a href="#ref-for-dom-permissionname-persistent-storage-1" title="§ 5. Powerful features registry">§ 5. Powerful features registry</a> 
   </li><li>
     <a href="#ref-for-dom-permissionname-persistent-storage-2" title="§ E. IDL Index">§ E. IDL Index</a> 
   </li>
@@ -3277,7 +3266,7 @@ <h2 id="subtitle" class="subtitle">
       <p><b>Referenced in:</b></p>
       <ul>
     <li>
-    <a href="#ref-for-dom-permissionname-push-1" title="§ 4. Powerful features registry">§ 4. Powerful features registry</a> 
+    <a href="#ref-for-dom-permissionname-push-1" title="§ 5. Powerful features registry">§ 5. Powerful features registry</a> 
   </li><li>
     <a href="#ref-for-dom-permissionname-push-2" title="§ E. IDL Index">§ E. IDL Index</a> 
   </li>
@@ -3291,7 +3280,7 @@ <h2 id="subtitle" class="subtitle">
       <p><b>Referenced in:</b></p>
       <ul>
     <li>
-    <a href="#ref-for-dom-permissionname-speaker-selection-1" title="§ 4. Powerful features registry">§ 4. Powerful features registry</a> 
+    <a href="#ref-for-dom-permissionname-speaker-selection-1" title="§ 5. Powerful features registry">§ 5. Powerful features registry</a> 
   </li><li>
     <a href="#ref-for-dom-permissionname-speaker-selection-2" title="§ E. IDL Index">§ E. IDL Index</a> 
   </li>
@@ -3305,7 +3294,7 @@ <h2 id="subtitle" class="subtitle">
       <p><b>Referenced in:</b></p>
       <ul>
     <li>
-    <a href="#ref-for-dom-permissionname-xr-spatial-tracking-1" title="§ 4. Powerful features registry">§ 4. Powerful features registry</a> 
+    <a href="#ref-for-dom-permissionname-xr-spatial-tracking-1" title="§ 5. Powerful features registry">§ 5. Powerful features registry</a> 
   </li><li>
     <a href="#ref-for-dom-permissionname-xr-spatial-tracking-2" title="§ E. IDL Index">§ E. IDL Index</a> 
   </li>
@@ -3319,7 +3308,7 @@ <h2 id="subtitle" class="subtitle">
       <p><b>Referenced in:</b></p>
       <ul>
     <li>
-    <a href="#ref-for-dom-permissionname-screen-wake-lock-1" title="§ 4. Powerful features registry">§ 4. Powerful features registry</a> 
+    <a href="#ref-for-dom-permissionname-screen-wake-lock-1" title="§ 5. Powerful features registry">§ 5. Powerful features registry</a> 
   </li><li>
     <a href="#ref-for-dom-permissionname-screen-wake-lock-2" title="§ E. IDL Index">§ E. IDL Index</a> 
   </li>
