From ba3f1e4f1ceee68635fb02cc99f27645d597c069 Mon Sep 17 00:00:00 2001
From: youennf <youennf@users.noreply.github.com>
Date: Fri, 4 Oct 2024 16:41:28 +0000
Subject: [PATCH] Update type of MediaMetadata's artwork (#343)

SHA: 3fbd7431abacf928b229149931125321d4787d12
Reason: push, by youennf

Co-authored-by: github-actions[bot] <41898282+github-actions[bot]@users.noreply.github.com>
---
 index.html | 128 ++++++++++++++++++++++++++++++-----------------------
 1 file changed, 73 insertions(+), 55 deletions(-)

diff --git a/index.html b/index.html
index ad6e641..b87753e 100644
--- a/index.html
+++ b/index.html
@@ -7,7 +7,7 @@
   <link href="https://www.w3.org/StyleSheets/TR/2021/W3C-ED" rel="stylesheet">
   <meta content="Bikeshed version 82ce88815, updated Thu Sep 7 16:33:55 2023 -0700" name="generator">
   <link href="https://www.w3.org/TR/mediasession/" rel="canonical">
-  <meta content="1ef0e12a8d33095bb2409d3d35c80b9b7aef3338" name="document-revision">
+  <meta content="3fbd7431abacf928b229149931125321d4787d12" name="document-revision">
 <style>
   /* https://github.com/tabatkins/bikeshed/issues/485 */
   .example .self-link { display: none; }
@@ -669,7 +669,7 @@
   <div class="head">
    <p data-fill-with="logo"><a class="logo" href="https://www.w3.org/"> <img alt="W3C" height="48" src="https://www.w3.org/StyleSheets/TR/2021/logos/W3C" width="72"> </a> </p>
    <h1 class="p-name no-ref" id="title">Media Session</h1>
-   <p id="w3c-state"><a href="https://www.w3.org/standards/types#ED">Editor’s Draft</a>, <time class="dt-updated" datetime="2024-09-30">30 September 2024</time></p>
+   <p id="w3c-state"><a href="https://www.w3.org/standards/types#ED">Editor’s Draft</a>, <time class="dt-updated" datetime="2024-10-04">4 October 2024</time></p>
    <details open>
     <summary>More details about this document</summary>
     <div data-fill-with="spec-metadata">
@@ -1286,7 +1286,7 @@ <h2 class="heading settled" data-level="5" id="the-mediametadata-interface"><spa
   <c- b>attribute</c-> <a class="idl-code" data-link-type="interface" href="https://webidl.spec.whatwg.org/#idl-DOMString" id="ref-for-idl-DOMString"><c- b>DOMString</c-></a> <a class="idl-code" data-link-type="attribute" data-type="DOMString" href="#dom-mediametadata-title" id="ref-for-dom-mediametadata-title"><c- g>title</c-></a>;
   <c- b>attribute</c-> <a class="idl-code" data-link-type="interface" href="https://webidl.spec.whatwg.org/#idl-DOMString" id="ref-for-idl-DOMString①"><c- b>DOMString</c-></a> <a class="idl-code" data-link-type="attribute" data-type="DOMString" href="#dom-mediametadata-artist" id="ref-for-dom-mediametadata-artist"><c- g>artist</c-></a>;
   <c- b>attribute</c-> <a class="idl-code" data-link-type="interface" href="https://webidl.spec.whatwg.org/#idl-DOMString" id="ref-for-idl-DOMString②"><c- b>DOMString</c-></a> <a class="idl-code" data-link-type="attribute" data-type="DOMString" href="#dom-mediametadata-album" id="ref-for-dom-mediametadata-album"><c- g>album</c-></a>;
-  <c- b>attribute</c-> <a class="idl-code" data-link-type="interface" href="https://webidl.spec.whatwg.org/#idl-frozen-array" id="ref-for-idl-frozen-array"><c- b>FrozenArray</c-></a>&lt;<a data-link-type="idl-name" href="#dictdef-mediaimage" id="ref-for-dictdef-mediaimage"><c- n>MediaImage</c-></a>> <a class="idl-code" data-link-type="attribute" data-type="FrozenArray<MediaImage>" href="#dom-mediametadata-artwork" id="ref-for-dom-mediametadata-artwork②"><c- g>artwork</c-></a>;
+  <c- b>attribute</c-> <a class="idl-code" data-link-type="interface" href="https://webidl.spec.whatwg.org/#idl-frozen-array" id="ref-for-idl-frozen-array"><c- b>FrozenArray</c-></a>&lt;<a class="idl-code" data-link-type="interface" href="https://webidl.spec.whatwg.org/#idl-object" id="ref-for-idl-object"><c- b>object</c-></a>> <a class="idl-code" data-link-type="attribute" data-type="FrozenArray<object>" href="#dom-mediametadata-artwork" id="ref-for-dom-mediametadata-artwork②"><c- g>artwork</c-></a>;
   [<a class="idl-code" data-link-type="extended-attribute" href="https://webidl.spec.whatwg.org/#SameObject" id="ref-for-SameObject①"><c- g>SameObject</c-></a>] <c- b>readonly</c-> <c- b>attribute</c-> <a class="idl-code" data-link-type="interface" href="https://webidl.spec.whatwg.org/#idl-frozen-array" id="ref-for-idl-frozen-array①"><c- b>FrozenArray</c-></a>&lt;<a data-link-type="idl-name" href="#chapterinformation" id="ref-for-chapterinformation"><c- n>ChapterInformation</c-></a>> <dfn class="dfn-paneled idl-code" data-dfn-for="MediaMetadata" data-dfn-type="attribute" data-export data-readonly data-type="FrozenArray<ChapterInformation>" id="dom-mediametadata-chapterinfo"><code><c- g>chapterInfo</c-></code></dfn>;
 };
 
@@ -1294,7 +1294,7 @@ <h2 class="heading settled" data-level="5" id="the-mediametadata-interface"><spa
   <a class="idl-code" data-link-type="interface" href="https://webidl.spec.whatwg.org/#idl-DOMString" id="ref-for-idl-DOMString③"><c- b>DOMString</c-></a> <dfn class="dfn-paneled idl-code" data-default="&quot;&quot;" data-dfn-for="MediaMetadataInit" data-dfn-type="dict-member" data-export data-type="DOMString " id="dom-mediametadatainit-title"><code><c- g>title</c-></code></dfn> = "";
   <a class="idl-code" data-link-type="interface" href="https://webidl.spec.whatwg.org/#idl-DOMString" id="ref-for-idl-DOMString④"><c- b>DOMString</c-></a> <dfn class="dfn-paneled idl-code" data-default="&quot;&quot;" data-dfn-for="MediaMetadataInit" data-dfn-type="dict-member" data-export data-type="DOMString " id="dom-mediametadatainit-artist"><code><c- g>artist</c-></code></dfn> = "";
   <a class="idl-code" data-link-type="interface" href="https://webidl.spec.whatwg.org/#idl-DOMString" id="ref-for-idl-DOMString⑤"><c- b>DOMString</c-></a> <dfn class="dfn-paneled idl-code" data-default="&quot;&quot;" data-dfn-for="MediaMetadataInit" data-dfn-type="dict-member" data-export data-type="DOMString " id="dom-mediametadatainit-album"><code><c- g>album</c-></code></dfn> = "";
-  <a data-link-type="dfn" href="https://webidl.spec.whatwg.org/#idl-sequence" id="ref-for-idl-sequence"><c- b>sequence</c-></a>&lt;<a data-link-type="idl-name" href="#dictdef-mediaimage" id="ref-for-dictdef-mediaimage①"><c- n>MediaImage</c-></a>> <dfn class="dfn-paneled idl-code" data-default="[]" data-dfn-for="MediaMetadataInit" data-dfn-type="dict-member" data-export data-type="sequence<MediaImage> " id="dom-mediametadatainit-artwork"><code><c- g>artwork</c-></code></dfn> = [];
+  <a data-link-type="dfn" href="https://webidl.spec.whatwg.org/#idl-sequence" id="ref-for-idl-sequence"><c- b>sequence</c-></a>&lt;<a data-link-type="idl-name" href="#dictdef-mediaimage" id="ref-for-dictdef-mediaimage"><c- n>MediaImage</c-></a>> <dfn class="dfn-paneled idl-code" data-default="[]" data-dfn-for="MediaMetadataInit" data-dfn-type="dict-member" data-export data-type="sequence<MediaImage> " id="dom-mediametadatainit-artwork"><code><c- g>artwork</c-></code></dfn> = [];
   <a data-link-type="dfn" href="https://webidl.spec.whatwg.org/#idl-sequence" id="ref-for-idl-sequence①"><c- b>sequence</c-></a>&lt;<a data-link-type="idl-name" href="#dictdef-chapterinformationinit" id="ref-for-dictdef-chapterinformationinit"><c- n>ChapterInformationInit</c-></a>> <dfn class="dfn-paneled idl-code" data-default="[]" data-dfn-for="MediaMetadataInit" data-dfn-type="dict-member" data-export data-type="sequence<ChapterInformationInit> " id="dom-mediametadatainit-chapterinfo"><code><c- g>chapterInfo</c-></code></dfn> = [];
 };
 </pre>
@@ -1304,10 +1304,9 @@ <h2 class="heading settled" data-level="5" id="the-mediametadata-interface"><spa
    <p> A <code class="idl"><a data-link-type="idl" href="#mediametadata" id="ref-for-mediametadata①⓪">MediaMetadata</a></code> can have an associated <dfn class="dfn-paneled" data-dfn-for="MediaMetadata" data-dfn-type="dfn" data-lt="media session" data-noexport id="mediametadata-media-session">media
   session</dfn>. </p>
    <p> A <code class="idl"><a data-link-type="idl" href="#mediametadata" id="ref-for-mediametadata①①">MediaMetadata</a></code> has an associated <dfn class="dfn-paneled" data-dfn-for="MediaMetadata" data-dfn-type="dfn" data-noexport id="mediametadata-title">title</dfn>, <dfn class="dfn-paneled" data-dfn-for="MediaMetadata" data-dfn-type="dfn" data-noexport id="mediametadata-artist">artist</dfn> and <dfn class="dfn-paneled" data-dfn-for="MediaMetadata" data-dfn-type="dfn" data-noexport id="mediametadata-album">album</dfn> which are DOMString. </p>
-   <p> A <code class="idl"><a data-link-type="idl" href="#mediametadata" id="ref-for-mediametadata①②">MediaMetadata</a></code> has an associated list of <dfn class="dfn-paneled" data-dfn-for="MediaMetadata" data-dfn-type="dfn" data-lt="artwork images" data-noexport id="mediametadata-artwork-images">artwork
-  images</dfn>. </p>
-   <p> A <code class="idl"><a data-link-type="idl" href="#mediametadata" id="ref-for-mediametadata①③">MediaMetadata</a></code> has an associated list of <dfn class="dfn-paneled" data-dfn-for="MediaMetadata" data-dfn-type="dfn" data-lt="chapter information" data-noexport id="mediametadata-chapter-information"> chapter information</dfn>. </p>
-   <p> A <code class="idl"><a data-link-type="idl" href="#mediametadata" id="ref-for-mediametadata①④">MediaMetadata</a></code> is said to be an <dfn class="dfn-paneled" data-dfn-type="dfn" data-noexport id="empty-metadata">empty metadata</dfn> if it is equal
+   <p> A <code class="idl"><a data-link-type="idl" href="#mediametadata" id="ref-for-mediametadata①②">MediaMetadata</a></code> has an associated sequence of <dfn class="dfn-paneled" data-dfn-for="MediaMetadata" data-dfn-type="dfn" data-noexport id="mediametadata-artwork-images">artwork images</dfn>, which is a sequence of type <code class="idl"><a data-link-type="idl" href="#dictdef-mediaimage" id="ref-for-dictdef-mediaimage①">MediaImage</a></code>. A <code class="idl"><a data-link-type="idl" href="#mediametadata" id="ref-for-mediametadata①③">MediaMetadata</a></code> also has has an associated <dfn class="dfn-paneled" data-dfn-for="MediaMetadata" data-dfn-type="dfn" data-lt="converted artwork images" data-noexport id="mediametadata-converted-artwork-images"> converted artwork images</dfn> which is initially <code>undefined</code>. </p>
+   <p> A <code class="idl"><a data-link-type="idl" href="#mediametadata" id="ref-for-mediametadata①④">MediaMetadata</a></code> has an associated list of <dfn class="dfn-paneled" data-dfn-for="MediaMetadata" data-dfn-type="dfn" data-lt="chapter information" data-noexport id="mediametadata-chapter-information"> chapter information</dfn>. </p>
+   <p> A <code class="idl"><a data-link-type="idl" href="#mediametadata" id="ref-for-mediametadata①⑤">MediaMetadata</a></code> is said to be an <dfn class="dfn-paneled" data-dfn-type="dfn" data-noexport id="empty-metadata">empty metadata</dfn> if it is equal
   to <code>null</code> or all the following conditions are true: </p>
    <ul>
     <li>Its <a data-link-type="dfn" href="#mediametadata-title" id="ref-for-mediametadata-title">title</a> is the empty string.
@@ -1320,7 +1319,7 @@ <h2 class="heading settled" data-level="5" id="the-mediametadata-interface"><spa
    <p></p>
    <p> The <dfn class="dfn-paneled idl-code" data-dfn-for="MediaMetadata" data-dfn-type="constructor" data-export data-lt="MediaMetadata(init)|constructor(init)|MediaMetadata()|constructor()" id="dom-mediametadata-mediametadata"><code>MediaMetadata(<var>init</var>)</code></dfn> constructor, when invoked, MUST run the following steps: </p>
    <ol>
-    <li> Let <var>metadata</var> be a new <code class="idl"><a data-link-type="idl" href="#mediametadata" id="ref-for-mediametadata①⑤">MediaMetadata</a></code> object. 
+    <li> Let <var>metadata</var> be a new <code class="idl"><a data-link-type="idl" href="#mediametadata" id="ref-for-mediametadata①⑥">MediaMetadata</a></code> object. 
     <li> Set <var>metadata</var>’s <code class="idl"><a data-link-type="idl" href="#dom-mediametadata-title" id="ref-for-dom-mediametadata-title①">title</a></code> to <var>init</var>’s <code class="idl"><a data-link-type="idl" href="#dom-mediametadatainit-title" id="ref-for-dom-mediametadatainit-title">title</a></code>. 
     <li> Set <var>metadata</var>’s <code class="idl"><a data-link-type="idl" href="#dom-mediametadata-artist" id="ref-for-dom-mediametadata-artist①">artist</a></code> to <var>init</var>’s <code class="idl"><a data-link-type="idl" href="#dom-mediametadatainit-artist" id="ref-for-dom-mediametadatainit-artist">artist</a></code>. 
     <li> Set <var>metadata</var>’s <code class="idl"><a data-link-type="idl" href="#dom-mediametadata-album" id="ref-for-dom-mediametadata-album①">album</a></code> to <var>init</var>’s <code class="idl"><a data-link-type="idl" href="#dom-mediametadatainit-album" id="ref-for-dom-mediametadatainit-album">album</a></code>. 
@@ -1333,13 +1332,14 @@ <h2 class="heading settled" data-level="5" id="the-mediametadata-interface"><spa
    </ol>
    <p></p>
    <p>When the <dfn class="dfn-paneled" data-dfn-type="dfn" data-noexport id="convert-artwork-algorithm">convert artwork algorithm</dfn> with <var>input</var> parameter is
-invoked, the user agent MUST run the following steps:</p>
+invoked, where the <var>input</var> is a sequence of type <code class="idl"><a data-link-type="idl" href="#dictdef-mediaimage" id="ref-for-dictdef-mediaimage②">MediaImage</a></code>, the
+user agent MUST run the following steps:</p>
    <ol>
-    <li> Let <var>output</var> be an empty list of type <code class="idl"><a data-link-type="idl" href="#dictdef-mediaimage" id="ref-for-dictdef-mediaimage②">MediaImage</a></code>. 
+    <li> Let <var>output</var> be an empty list of type <code class="idl"><a data-link-type="idl" href="#dictdef-mediaimage" id="ref-for-dictdef-mediaimage③">MediaImage</a></code>. 
     <li>
-      For each <var>entry</var> in <var>input</var> (which is a <code class="idl"><a data-link-type="idl" href="#dictdef-mediaimage" id="ref-for-dictdef-mediaimage③">MediaImage</a></code> list), perform the following steps: 
+      For each <var>entry</var> in <var>input</var> (which is a <code class="idl"><a data-link-type="idl" href="#dictdef-mediaimage" id="ref-for-dictdef-mediaimage④">MediaImage</a></code> list), perform the following steps: 
      <ol>
-      <li> Let <var>image</var> be a new <code class="idl"><a data-link-type="idl" href="#dictdef-mediaimage" id="ref-for-dictdef-mediaimage④">MediaImage</a></code>. 
+      <li> Let <var>image</var> be a new <code class="idl"><a data-link-type="idl" href="#dictdef-mediaimage" id="ref-for-dictdef-mediaimage⑤">MediaImage</a></code>. 
       <li>Let <var>baseURL</var> be the API base URL specified by the <a data-link-type="dfn" href="https://html.spec.whatwg.org/multipage/webappapis.html#entry-settings-object" id="ref-for-entry-settings-object">entry
       settings object</a>. 
       <li> <a data-link-type="dfn" href="https://url.spec.whatwg.org/#concept-url-parser" id="ref-for-concept-url-parser">Parse</a> <var>entry</var>’s <code class="idl"><a data-link-type="idl" href="#dom-mediaimage-src" id="ref-for-dom-mediaimage-src①">src</a></code> using <var>baseURL</var>. If it does not return failure, set <var>image</var>’s <code class="idl"><a data-link-type="idl" href="#dom-mediaimage-src" id="ref-for-dom-mediaimage-src②">src</a></code> to the return value. Otherwise,
@@ -1350,37 +1350,47 @@ <h2 class="heading settled" data-level="5" id="the-mediametadata-interface"><spa
      </ol>
     <li> Return <var>output</var> as result. 
    </ol>
-   <p> The <dfn class="dfn-paneled idl-code" data-dfn-for="MediaMetadata" data-dfn-type="attribute" data-export id="dom-mediametadata-title"><code>title</code></dfn> attribute reflects the <code class="idl"><a data-link-type="idl" href="#mediametadata" id="ref-for-mediametadata①⑥">MediaMetadata</a></code>'s <a data-link-type="dfn" href="#mediametadata-title" id="ref-for-mediametadata-title①">title</a>. On getting, it MUST return
-  the <code class="idl"><a data-link-type="idl" href="#mediametadata" id="ref-for-mediametadata①⑦">MediaMetadata</a></code>'s <a data-link-type="dfn" href="#mediametadata-title" id="ref-for-mediametadata-title②">title</a>. On setting, it MUST
-  set the <code class="idl"><a data-link-type="idl" href="#mediametadata" id="ref-for-mediametadata①⑧">MediaMetadata</a></code>'s <a data-link-type="dfn" href="#mediametadata-title" id="ref-for-mediametadata-title③">title</a> to the given value. </p>
-   <p> The <dfn class="dfn-paneled idl-code" data-dfn-for="MediaMetadata" data-dfn-type="attribute" data-export id="dom-mediametadata-artist"><code>artist</code></dfn> attribute reflects the <code class="idl"><a data-link-type="idl" href="#mediametadata" id="ref-for-mediametadata①⑨">MediaMetadata</a></code>'s <a data-link-type="dfn" href="#mediametadata-artist" id="ref-for-mediametadata-artist①">artist</a>. On getting, it MUST
-  return the <code class="idl"><a data-link-type="idl" href="#mediametadata" id="ref-for-mediametadata②⓪">MediaMetadata</a></code>'s <a data-link-type="dfn" href="#mediametadata-artist" id="ref-for-mediametadata-artist②">artist</a>. On setting, it
-  MUST set the <code class="idl"><a data-link-type="idl" href="#mediametadata" id="ref-for-mediametadata②①">MediaMetadata</a></code>'s <a data-link-type="dfn" href="#mediametadata-artist" id="ref-for-mediametadata-artist③">artist</a> to the given value. </p>
-   <p> The <dfn class="dfn-paneled idl-code" data-dfn-for="MediaMetadata" data-dfn-type="attribute" data-export id="dom-mediametadata-album"><code>album</code></dfn> attribute reflects the <code class="idl"><a data-link-type="idl" href="#mediametadata" id="ref-for-mediametadata②②">MediaMetadata</a></code>'s <a data-link-type="dfn" href="#mediametadata-album" id="ref-for-mediametadata-album①">album</a>. On getting, it MUST return
-  the <code class="idl"><a data-link-type="idl" href="#mediametadata" id="ref-for-mediametadata②③">MediaMetadata</a></code>'s <a data-link-type="dfn" href="#mediametadata-album" id="ref-for-mediametadata-album②">album</a>. On setting, it MUST
-  set the <code class="idl"><a data-link-type="idl" href="#mediametadata" id="ref-for-mediametadata②④">MediaMetadata</a></code>'s <a data-link-type="dfn" href="#mediametadata-album" id="ref-for-mediametadata-album③">album</a> to the given value. </p>
-   <p> The <dfn class="dfn-paneled idl-code" data-dfn-for="MediaMetadata" data-dfn-type="attribute" data-export id="dom-mediametadata-artwork"><code>artwork</code></dfn> attribute reflects the <code class="idl"><a data-link-type="idl" href="#mediametadata" id="ref-for-mediametadata②⑤">MediaMetadata</a></code>'s <a data-link-type="dfn" href="#mediametadata-artwork-images" id="ref-for-mediametadata-artwork-images③">artwork
-  images</a>. On getting, it MUST return the result of the following steps: </p>
+   <p> The <dfn class="dfn-paneled idl-code" data-dfn-for="MediaMetadata" data-dfn-type="attribute" data-export id="dom-mediametadata-title"><code>title</code></dfn> attribute reflects the <code class="idl"><a data-link-type="idl" href="#mediametadata" id="ref-for-mediametadata①⑦">MediaMetadata</a></code>'s <a data-link-type="dfn" href="#mediametadata-title" id="ref-for-mediametadata-title①">title</a>. On getting, it MUST return
+  the <code class="idl"><a data-link-type="idl" href="#mediametadata" id="ref-for-mediametadata①⑧">MediaMetadata</a></code>'s <a data-link-type="dfn" href="#mediametadata-title" id="ref-for-mediametadata-title②">title</a>. On setting, it MUST
+  set the <code class="idl"><a data-link-type="idl" href="#mediametadata" id="ref-for-mediametadata①⑨">MediaMetadata</a></code>'s <a data-link-type="dfn" href="#mediametadata-title" id="ref-for-mediametadata-title③">title</a> to the given value. </p>
+   <p> The <dfn class="dfn-paneled idl-code" data-dfn-for="MediaMetadata" data-dfn-type="attribute" data-export id="dom-mediametadata-artist"><code>artist</code></dfn> attribute reflects the <code class="idl"><a data-link-type="idl" href="#mediametadata" id="ref-for-mediametadata②⓪">MediaMetadata</a></code>'s <a data-link-type="dfn" href="#mediametadata-artist" id="ref-for-mediametadata-artist①">artist</a>. On getting, it MUST
+  return the <code class="idl"><a data-link-type="idl" href="#mediametadata" id="ref-for-mediametadata②①">MediaMetadata</a></code>'s <a data-link-type="dfn" href="#mediametadata-artist" id="ref-for-mediametadata-artist②">artist</a>. On setting, it
+  MUST set the <code class="idl"><a data-link-type="idl" href="#mediametadata" id="ref-for-mediametadata②②">MediaMetadata</a></code>'s <a data-link-type="dfn" href="#mediametadata-artist" id="ref-for-mediametadata-artist③">artist</a> to the given value. </p>
+   <p> The <dfn class="dfn-paneled idl-code" data-dfn-for="MediaMetadata" data-dfn-type="attribute" data-export id="dom-mediametadata-album"><code>album</code></dfn> attribute reflects the <code class="idl"><a data-link-type="idl" href="#mediametadata" id="ref-for-mediametadata②③">MediaMetadata</a></code>'s <a data-link-type="dfn" href="#mediametadata-album" id="ref-for-mediametadata-album①">album</a>. On getting, it MUST return
+  the <code class="idl"><a data-link-type="idl" href="#mediametadata" id="ref-for-mediametadata②④">MediaMetadata</a></code>'s <a data-link-type="dfn" href="#mediametadata-album" id="ref-for-mediametadata-album②">album</a>. On setting, it MUST
+  set the <code class="idl"><a data-link-type="idl" href="#mediametadata" id="ref-for-mediametadata②⑤">MediaMetadata</a></code>'s <a data-link-type="dfn" href="#mediametadata-album" id="ref-for-mediametadata-album③">album</a> to the given value. </p>
+   <p> The <dfn class="dfn-paneled idl-code" data-dfn-for="MediaMetadata" data-dfn-type="attribute" data-export id="dom-mediametadata-artwork"><code>artwork</code></dfn> attribute reflects the <code class="idl"><a data-link-type="idl" href="#mediametadata" id="ref-for-mediametadata②⑥">MediaMetadata</a></code>'s <a data-link-type="dfn" href="#mediametadata-artwork-images" id="ref-for-mediametadata-artwork-images③">artwork
+  images</a>. On getting, it MUST run the following steps: </p>
    <ol>
-    <li> Let <var>frozenArtwork</var> be an empty list of type <code class="idl"><a data-link-type="idl" href="#dictdef-mediaimage" id="ref-for-dictdef-mediaimage⑤">MediaImage</a></code>. 
     <li>
-      For each <var>entry</var> in the <code class="idl"><a data-link-type="idl" href="#mediametadata" id="ref-for-mediametadata②⑥">MediaMetadata</a></code>'s <a data-link-type="dfn" href="#mediametadata-artwork-images" id="ref-for-mediametadata-artwork-images④">artwork images</a>, perform the following steps: 
+      If the <code class="idl"><a data-link-type="idl" href="#mediametadata" id="ref-for-mediametadata②⑦">MediaMetadata</a></code>'s <a data-link-type="dfn" href="#mediametadata-converted-artwork-images" id="ref-for-mediametadata-converted-artwork-images">converted artwork images</a> is <code>undefined</code>, run the following steps: 
      <ol>
-      <li> Let <var>image</var> be a new <code class="idl"><a data-link-type="idl" href="#dictdef-mediaimage" id="ref-for-dictdef-mediaimage⑥">MediaImage</a></code>. 
-      <li> Set <var>image</var>’s <code class="idl"><a data-link-type="idl" href="#dom-mediaimage-src" id="ref-for-dom-mediaimage-src③">src</a></code> to <var>entry</var>’s <code class="idl"><a data-link-type="idl" href="#dom-mediaimage-src" id="ref-for-dom-mediaimage-src④">src</a></code>. 
-      <li> Set <var>image</var>’s <code class="idl"><a data-link-type="idl" href="#dom-mediaimage-sizes" id="ref-for-dom-mediaimage-sizes②">sizes</a></code> to <var>entry</var>’s <code class="idl"><a data-link-type="idl" href="#dom-mediaimage-sizes" id="ref-for-dom-mediaimage-sizes③">sizes</a></code>. 
-      <li> Set <var>image</var>’s <code class="idl"><a data-link-type="idl" href="#dom-mediaimage-type" id="ref-for-dom-mediaimage-type②">type</a></code> to <var>entry</var>’s <code class="idl"><a data-link-type="idl" href="#dom-mediaimage-type" id="ref-for-dom-mediaimage-type③">type</a></code>. 
-      <li> Call <code class="idl"><a data-link-type="idl" href="https://tc39.es/ecma262/multipage/fundamental-objects.html#sec-object.freeze" id="ref-for-sec-object.freeze">freeze(O)</a></code> on <var>image</var>, to prevent accidental
-          mutation by scripts. 
-      <li> Append <var>image</var> to <var>frozenArtwork</var>. 
+      <li> Let <var>frozenArtwork</var> be a JavaScript Array value. 
+      <li>
+        For each <var>entry</var> in the <code class="idl"><a data-link-type="idl" href="#mediametadata" id="ref-for-mediametadata②⑧">MediaMetadata</a></code>'s <a data-link-type="dfn" href="#mediametadata-artwork-images" id="ref-for-mediametadata-artwork-images④">artwork images</a>, perform the following steps: 
+       <ol>
+        <li> Let <var>image</var> be the result of <a data-link-type="dfn" href="https://webidl.spec.whatwg.org/#dfn-convert-idl-to-javascript-value" id="ref-for-dfn-convert-idl-to-javascript-value">converting to a JavaScript object</a> <var>entry</var>. 
+        <li> Perform <a data-link-type="dfn">!</a> <a data-link-type="abstract-op" href="https://tc39.es/ecma262/multipage/abstract-operations.html#sec-setintegritylevel" id="ref-for-sec-setintegritylevel">SetIntegrityLevel</a>(<var>image</var>,
+              "<code>frozen</code>"), to prevent accidental mutation by scripts. 
+        <li> Push <var>image</var> to <var>frozenArtwork</var>. 
+       </ol>
+      <li> Perform <a data-link-type="dfn">!</a> <a data-link-type="abstract-op" href="https://tc39.es/ecma262/multipage/abstract-operations.html#sec-setintegritylevel" id="ref-for-sec-setintegritylevel①">SetIntegrityLevel</a>(<var>frozenArtwork</var>,
+          "<code>frozen</code>"). 
+      <li> Set the <code class="idl"><a data-link-type="idl" href="#mediametadata" id="ref-for-mediametadata②⑨">MediaMetadata</a></code>'s <a data-link-type="dfn" href="#mediametadata-converted-artwork-images" id="ref-for-mediametadata-converted-artwork-images①">converted artwork images</a> to <var>frozenArtwork</var>. 
      </ol>
-    <li> <a data-link-type="dfn" href="https://webidl.spec.whatwg.org/#dfn-create-frozen-array" id="ref-for-dfn-create-frozen-array①">Create a frozen array</a> from <var>frozenArtwork</var>. 
+    <li> Return the <code class="idl"><a data-link-type="idl" href="#mediametadata" id="ref-for-mediametadata③⓪">MediaMetadata</a></code>'s <a data-link-type="dfn" href="#mediametadata-converted-artwork-images" id="ref-for-mediametadata-converted-artwork-images②">converted artwork images</a>. 
+   </ol>
+    On setting, it MUST run the following steps with <var>value</var> being the
+  new value being set: 
+   <ol>
+    <li> Let <var>convertedArtwork</var> be the result of <a data-link-type="dfn" href="https://webidl.spec.whatwg.org/#dfn-convert-ecmascript-to-idl-value" id="ref-for-dfn-convert-ecmascript-to-idl-value">converting</a> <var>value</var> to a sequence of type <code class="idl"><a data-link-type="idl" href="#dictdef-mediaimage" id="ref-for-dictdef-mediaimage⑥">MediaImage</a></code>. 
+    <li> Run <a data-link-type="dfn" href="#convert-artwork-algorithm" id="ref-for-convert-artwork-algorithm①">convert artwork algorithm</a> with <var>convertedArtwork</var>, and
+      set the <code class="idl"><a data-link-type="idl" href="#mediametadata" id="ref-for-mediametadata③①">MediaMetadata</a></code>'s <a data-link-type="dfn" href="#mediametadata-artwork-images" id="ref-for-mediametadata-artwork-images⑤">artwork images</a> as
+      the result if it succeeds. 
+    <li> Set the <code class="idl"><a data-link-type="idl" href="#mediametadata" id="ref-for-mediametadata③②">MediaMetadata</a></code>'s <a data-link-type="dfn" href="#mediametadata-converted-artwork-images" id="ref-for-mediametadata-converted-artwork-images③">converted artwork images</a> to <code>undefined</code>. 
    </ol>
-    On setting, it MUST run the <a data-link-type="dfn" href="#convert-artwork-algorithm" id="ref-for-convert-artwork-algorithm①">convert artwork algorithm</a> with the new value as <var>input</var>, and
-  set the <code class="idl"><a data-link-type="idl" href="#mediametadata" id="ref-for-mediametadata②⑦">MediaMetadata</a></code>'s <a data-link-type="dfn" href="#mediametadata-artwork-images" id="ref-for-mediametadata-artwork-images⑤">artwork images</a> as the
-  result if it succeeded. 
    <p></p>
-   <p> When <code class="idl"><a data-link-type="idl" href="#mediametadata" id="ref-for-mediametadata②⑧">MediaMetadata</a></code>'s <a data-link-type="dfn" href="#mediametadata-title" id="ref-for-mediametadata-title④">title</a>, <a data-link-type="dfn" href="#mediametadata-artist" id="ref-for-mediametadata-artist④">artist</a>, <a data-link-type="dfn" href="#mediametadata-album" id="ref-for-mediametadata-album④">album</a> or <a data-link-type="dfn" href="#mediametadata-artwork-images" id="ref-for-mediametadata-artwork-images⑥">artwork images</a> are modified, the user agent MUST run the
+   <p> When <code class="idl"><a data-link-type="idl" href="#mediametadata" id="ref-for-mediametadata③③">MediaMetadata</a></code>'s <a data-link-type="dfn" href="#mediametadata-title" id="ref-for-mediametadata-title④">title</a>, <a data-link-type="dfn" href="#mediametadata-artist" id="ref-for-mediametadata-artist④">artist</a>, <a data-link-type="dfn" href="#mediametadata-album" id="ref-for-mediametadata-album④">album</a> or <a data-link-type="dfn" href="#mediametadata-artwork-images" id="ref-for-mediametadata-artwork-images⑥">artwork images</a> are modified, the user agent MUST run the
   following steps: </p>
    <ol>
     <li> If the instance has no associated <a data-link-type="dfn" href="#mediametadata-media-session" id="ref-for-mediametadata-media-session③">media session</a>, abort
@@ -1424,9 +1434,9 @@ <h2 class="heading settled" data-level="6" id="the-chapterinformation-interface"
     <li> Let <var>chapterInfo</var> be a new <code class="idl"><a data-link-type="idl" href="#chapterinformation" id="ref-for-chapterinformation⑨">ChapterInformation</a></code> object. 
     <li> Set <var>chapterInfo</var>’s <code class="idl"><a data-link-type="idl" href="#dom-chapterinformation-title" id="ref-for-dom-chapterinformation-title①">title</a></code> to <var>init</var>’s <code class="idl"><a data-link-type="idl" href="#dom-chapterinformationinit-title" id="ref-for-dom-chapterinformationinit-title">title</a></code>. 
     <li> Set <var>chapterInfo</var>’s <code class="idl"><a data-link-type="idl" href="#dom-chapterinformation-starttime" id="ref-for-dom-chapterinformation-starttime①">startTime</a></code> to <var>init</var>’s <code class="idl"><a data-link-type="idl" href="#dom-chapterinformationinit-starttime" id="ref-for-dom-chapterinformationinit-starttime">startTime</a></code>. If the <a data-link-type="dfn" href="#chapterinformation-starttime" id="ref-for-chapterinformation-starttime">startTime</a> is negative or greater than <a data-link-type="dfn" href="#duration" id="ref-for-duration③">duration</a>, throw a <a class="idl-code" data-link-type="exception" href="https://webidl.spec.whatwg.org/#exceptiondef-typeerror" id="ref-for-exceptiondef-typeerror⑤">TypeError</a>. 
-    <li> Let <code class="idl"><a data-link-type="idl" href="#dom-chapterinformationinit-artwork" id="ref-for-dom-chapterinformationinit-artwork">artwork</a></code> be the result of running the <a data-link-type="dfn" href="#convert-artwork-algorithm" id="ref-for-convert-artwork-algorithm②">convert artwork algorithm</a>. 
+    <li> Let <code class="idl"><a data-link-type="idl" href="#dom-chapterinformationinit-artwork" id="ref-for-dom-chapterinformationinit-artwork">artwork</a></code> be the result of running the <a data-link-type="dfn" href="#convert-artwork-algorithm" id="ref-for-convert-artwork-algorithm②">convert artwork algorithm</a> with <var>init</var>’s <code class="idl"><a data-link-type="idl" href="#dom-chapterinformation-artwork" id="ref-for-dom-chapterinformation-artwork①">artwork</a></code> as <var>input</var>. 
     <li> Set <var>chapterInfo</var>’s <a data-link-type="dfn" href="#chapterinformation-artwork-images" id="ref-for-chapterinformation-artwork-images">artwork
-      images</a> to the result of <a data-link-type="dfn" href="https://webidl.spec.whatwg.org/#dfn-create-frozen-array" id="ref-for-dfn-create-frozen-array②">creating a frozen
+      images</a> to the result of <a data-link-type="dfn" href="https://webidl.spec.whatwg.org/#dfn-create-frozen-array" id="ref-for-dfn-create-frozen-array①">creating a frozen
       array</a> from <code class="idl"><a data-link-type="idl" href="#dom-chapterinformationinit-artwork" id="ref-for-dom-chapterinformationinit-artwork①">artwork</a></code>. 
     <li> Return <var>chapterInfo</var>. 
    </ol>
@@ -1439,9 +1449,9 @@ <h2 class="heading settled" data-level="6" id="the-chapterinformation-interface"
    <p> The <dfn class="dfn-paneled idl-code" data-dfn-for="ChapterInformation" data-dfn-type="attribute" data-export id="dom-chapterinformation-artwork"><code>artwork</code></dfn> attribute reflects the <code class="idl"><a data-link-type="idl" href="#chapterinformation" id="ref-for-chapterinformation①④">ChapterInformation</a></code>'s <a data-link-type="dfn" href="#chapterinformation-artwork-images" id="ref-for-chapterinformation-artwork-images①">artwork images</a>. On getting, it MUST return the <code class="idl"><a data-link-type="idl" href="#chapterinformation" id="ref-for-chapterinformation①⑤">ChapterInformation</a></code>'s <a data-link-type="dfn" href="#chapterinformation-artwork-images" id="ref-for-chapterinformation-artwork-images②"> artwork images</a>. </p>
    <h2 class="heading settled" data-level="7" id="the-mediaimage-dictionary"><span class="secno">7. </span><span class="content">The <code class="idl"><a data-link-type="idl" href="#dictdef-mediaimage" id="ref-for-dictdef-mediaimage⑨">MediaImage</a></code> dictionary</span><a class="self-link" href="#the-mediaimage-dictionary"></a></h2>
 <pre class="idl highlight def"><c- b>dictionary</c-> <dfn class="dfn-paneled idl-code" data-dfn-type="dictionary" data-export id="dictdef-mediaimage"><code><c- g>MediaImage</c-></code></dfn> {
-  <c- b>required</c-> <a class="idl-code" data-link-type="interface" href="https://webidl.spec.whatwg.org/#idl-USVString" id="ref-for-idl-USVString"><c- b>USVString</c-></a> <a class="idl-code" data-link-type="dict-member" data-type="USVString " href="#dom-mediaimage-src" id="ref-for-dom-mediaimage-src⑤"><c- g>src</c-></a>;
-  <a class="idl-code" data-link-type="interface" href="https://webidl.spec.whatwg.org/#idl-DOMString" id="ref-for-idl-DOMString⑧"><c- b>DOMString</c-></a> <a class="idl-code" data-default="&quot;&quot;" data-link-type="dict-member" data-type="DOMString " href="#dom-mediaimage-sizes" id="ref-for-dom-mediaimage-sizes④"><c- g>sizes</c-></a> = "";
-  <a class="idl-code" data-link-type="interface" href="https://webidl.spec.whatwg.org/#idl-DOMString" id="ref-for-idl-DOMString⑨"><c- b>DOMString</c-></a> <a class="idl-code" data-default="&quot;&quot;" data-link-type="dict-member" data-type="DOMString " href="#dom-mediaimage-type" id="ref-for-dom-mediaimage-type④"><c- g>type</c-></a> = "";
+  <c- b>required</c-> <a class="idl-code" data-link-type="interface" href="https://webidl.spec.whatwg.org/#idl-USVString" id="ref-for-idl-USVString"><c- b>USVString</c-></a> <a class="idl-code" data-link-type="dict-member" data-type="USVString " href="#dom-mediaimage-src" id="ref-for-dom-mediaimage-src③"><c- g>src</c-></a>;
+  <a class="idl-code" data-link-type="interface" href="https://webidl.spec.whatwg.org/#idl-DOMString" id="ref-for-idl-DOMString⑧"><c- b>DOMString</c-></a> <a class="idl-code" data-default="&quot;&quot;" data-link-type="dict-member" data-type="DOMString " href="#dom-mediaimage-sizes" id="ref-for-dom-mediaimage-sizes②"><c- g>sizes</c-></a> = "";
+  <a class="idl-code" data-link-type="interface" href="https://webidl.spec.whatwg.org/#idl-DOMString" id="ref-for-idl-DOMString⑨"><c- b>DOMString</c-></a> <a class="idl-code" data-default="&quot;&quot;" data-link-type="dict-member" data-type="DOMString " href="#dom-mediaimage-type" id="ref-for-dom-mediaimage-type②"><c- g>type</c-></a> = "";
 };
 </pre>
    <p class="informative">The <code class="idl"><a data-link-type="idl" href="#dictdef-mediaimage" id="ref-for-dictdef-mediaimage①⓪">MediaImage</a></code> dictionary members are inspired by <code class="idl"><a data-link-type="idl" href="https://w3c.github.io/image-resource/#dom-imageresource" id="ref-for-dom-imageresource">ImageResource</a></code> in <a data-link-type="biblio" href="#biblio-image-resource" title="Image Resource">[IMAGE-RESOURCE]</a>.</p>
@@ -1449,7 +1459,7 @@ <h2 class="heading settled" data-level="7" id="the-mediaimage-dictionary"><span
 to specify the <code class="idl"><a data-link-type="idl" href="#dictdef-mediaimage" id="ref-for-dictdef-mediaimage①①">MediaImage</a></code> object’s <dfn class="idl-code" data-dfn-for="MediaImage" data-dfn-type="attribute" data-export id="dom-mediaimage-source"><code>source</code><a class="self-link" href="#dom-mediaimage-source"></a></dfn>. It is a URL from which the user agent can fetch
 the image’s data.</p>
    <p>The <dfn class="dfn-paneled idl-code" data-dfn-for="MediaImage" data-dfn-type="dict-member" data-export id="dom-mediaimage-sizes"><code>sizes</code></dfn> <a data-link-type="dfn" href="https://webidl.spec.whatwg.org/#dfn-dictionary-member" id="ref-for-dfn-dictionary-member①">dictionary member</a> is
-used to specify the <code class="idl"><a data-link-type="idl" href="#dictdef-mediaimage" id="ref-for-dictdef-mediaimage①②">MediaImage</a></code> object’s <code class="idl"><a data-link-type="idl" href="#dom-mediaimage-sizes" id="ref-for-dom-mediaimage-sizes⑤">sizes</a></code>. It follows the
+used to specify the <code class="idl"><a data-link-type="idl" href="#dictdef-mediaimage" id="ref-for-dictdef-mediaimage①②">MediaImage</a></code> object’s <code class="idl"><a data-link-type="idl" href="#dom-mediaimage-sizes" id="ref-for-dom-mediaimage-sizes③">sizes</a></code>. It follows the
 spec of <code><a data-link-type="element-sub" href="https://html.spec.whatwg.org/multipage/semantics.html#attr-link-sizes" id="ref-for-attr-link-sizes">sizes</a></code> attribute in the HTML <code><a data-link-type="element" href="https://html.spec.whatwg.org/multipage/semantics.html#the-link-element" id="ref-for-the-link-element">link</a></code> element, which is a string
 consisting of an <a data-link-type="dfn" href="https://html.spec.whatwg.org/multipage/common-microsyntaxes.html#unordered-set-of-unique-space-separated-tokens" id="ref-for-unordered-set-of-unique-space-separated-tokens">unordered set of unique space-separated tokens</a> which are <a data-link-type="dfn" href="https://infra.spec.whatwg.org/#ascii-case-insensitive" id="ref-for-ascii-case-insensitive">ASCII case-insensitive</a> that represents the dimensions of an image. Each
 keyword is either an <a data-link-type="dfn" href="https://infra.spec.whatwg.org/#ascii-case-insensitive" id="ref-for-ascii-case-insensitive①">ASCII case-insensitive</a> match for the string "any", or a
@@ -1459,7 +1469,7 @@ <h2 class="heading settled" data-level="7" id="the-mediaimage-dictionary"><span
 keywords represent icon sizes in raw pixels (as opposed to CSS pixels). When
 multiple image objects are available, a user agent MAY use the value to decide
 which icon is most suitable for a display context (and ignore any that are
-inappropriate). The parsing steps for the <code class="idl"><a data-link-type="idl" href="#dom-mediaimage-sizes" id="ref-for-dom-mediaimage-sizes⑥">sizes</a></code> attribute MUST
+inappropriate). The parsing steps for the <code class="idl"><a data-link-type="idl" href="#dom-mediaimage-sizes" id="ref-for-dom-mediaimage-sizes④">sizes</a></code> attribute MUST
 follow <a class="idl-code" data-link-type="attribute" href="https://html.spec.whatwg.org/multipage/semantics.html#dom-link-sizes" id="ref-for-dom-link-sizes">the parsing steps for HTML <code>link</code> element <code>sizes</code> attribute</a>.</p>
    <p>The <dfn class="dfn-paneled idl-code" data-dfn-for="MediaImage" data-dfn-type="dict-member" data-export id="dom-mediaimage-type"><code>type</code></dfn> <a data-link-type="dfn" href="https://webidl.spec.whatwg.org/#dfn-dictionary-member" id="ref-for-dfn-dictionary-member②">dictionary member</a> is
 used to specify the <code class="idl"><a data-link-type="idl" href="#dictdef-mediaimage" id="ref-for-dictdef-mediaimage①③">MediaImage</a></code> object’s <a data-link-type="dfn" href="https://mimesniff.spec.whatwg.org/#mime-type" id="ref-for-mime-type">MIME type</a>. It is a hint as to
@@ -1879,6 +1889,7 @@ <h3 class="no-num no-ref heading settled" id="index-defined-here"><span class="c
    <li><a href="#dom-mediametadata-mediametadata">constructor()</a><span>, in § 5</span>
    <li><a href="#dom-mediametadata-mediametadata">constructor(init)</a><span>, in § 5</span>
    <li><a href="#convert-artwork-algorithm">convert artwork algorithm</a><span>, in § 5</span>
+   <li><a href="#mediametadata-converted-artwork-images">converted artwork images</a><span>, in § 5</span>
    <li><a href="#create-a-chapterinformation">create a ChapterInformation</a><span>, in § 6</span>
    <li><a href="#current-playback-position">current playback position</a><span>, in § 3.5</span>
    <li><a href="#declared-playback-state">declared playback state</a><span>, in § 4</span>
@@ -2011,7 +2022,7 @@ <h3 class="no-num no-ref heading settled" id="index-defined-elsewhere"><span cla
    <li>
     <a data-link-type="biblio">[ECMASCRIPT]</a> defines the following terms:
     <ul>
-     <li><span class="dfn-paneled" id="18369593">freeze(O)</span>
+     <li><span class="dfn-paneled" id="369594bc">SetIntegrityLevel</span>
     </ul>
    <li>
     <a data-link-type="biblio">[FETCH]</a> defines the following terms:
@@ -2104,9 +2115,12 @@ <h3 class="no-num no-ref heading settled" id="index-defined-elsewhere"><span cla
      <li><span class="dfn-paneled" id="b0d7f3c3">USVString</span>
      <li><span class="dfn-paneled" id="d0b4a948">a promise rejected with</span>
      <li><span class="dfn-paneled" id="5372cca8">boolean</span>
+     <li><span class="dfn-paneled" id="4f787e61">converted to a javascript value</span>
+     <li><span class="dfn-paneled" id="cadf5fe9">converted to an idl value</span>
      <li><span class="dfn-paneled" id="1641b9ef">create a frozen array</span>
      <li><span class="dfn-paneled" id="6d8611a2">dictionary members</span>
      <li><span class="dfn-paneled" id="8c800cdf">double</span>
+     <li><span class="dfn-paneled" id="efd1ec5d">object</span>
      <li><span class="dfn-paneled" id="9cce47fd">sequence</span>
      <li><span class="dfn-paneled" id="4013a022">this</span>
      <li><span class="dfn-paneled" id="5f90bbfb">undefined</span>
@@ -2201,7 +2215,7 @@ <h2 class="no-num no-ref heading settled" id="idl-index"><span class="content">I
   <c- b>attribute</c-> <a class="idl-code" data-link-type="interface" href="https://webidl.spec.whatwg.org/#idl-DOMString"><c- b>DOMString</c-></a> <a class="idl-code" data-link-type="attribute" data-type="DOMString" href="#dom-mediametadata-title"><c- g>title</c-></a>;
   <c- b>attribute</c-> <a class="idl-code" data-link-type="interface" href="https://webidl.spec.whatwg.org/#idl-DOMString"><c- b>DOMString</c-></a> <a class="idl-code" data-link-type="attribute" data-type="DOMString" href="#dom-mediametadata-artist"><c- g>artist</c-></a>;
   <c- b>attribute</c-> <a class="idl-code" data-link-type="interface" href="https://webidl.spec.whatwg.org/#idl-DOMString"><c- b>DOMString</c-></a> <a class="idl-code" data-link-type="attribute" data-type="DOMString" href="#dom-mediametadata-album"><c- g>album</c-></a>;
-  <c- b>attribute</c-> <a class="idl-code" data-link-type="interface" href="https://webidl.spec.whatwg.org/#idl-frozen-array"><c- b>FrozenArray</c-></a>&lt;<a data-link-type="idl-name" href="#dictdef-mediaimage"><c- n>MediaImage</c-></a>> <a class="idl-code" data-link-type="attribute" data-type="FrozenArray<MediaImage>" href="#dom-mediametadata-artwork"><c- g>artwork</c-></a>;
+  <c- b>attribute</c-> <a class="idl-code" data-link-type="interface" href="https://webidl.spec.whatwg.org/#idl-frozen-array"><c- b>FrozenArray</c-></a>&lt;<a class="idl-code" data-link-type="interface" href="https://webidl.spec.whatwg.org/#idl-object"><c- b>object</c-></a>> <a class="idl-code" data-link-type="attribute" data-type="FrozenArray<object>" href="#dom-mediametadata-artwork"><c- g>artwork</c-></a>;
   [<a class="idl-code" data-link-type="extended-attribute" href="https://webidl.spec.whatwg.org/#SameObject"><c- g>SameObject</c-></a>] <c- b>readonly</c-> <c- b>attribute</c-> <a class="idl-code" data-link-type="interface" href="https://webidl.spec.whatwg.org/#idl-frozen-array"><c- b>FrozenArray</c-></a>&lt;<a data-link-type="idl-name" href="#chapterinformation"><c- n>ChapterInformation</c-></a>> <a data-readonly data-type="FrozenArray<ChapterInformation>" href="#dom-mediametadata-chapterinfo"><code><c- g>chapterInfo</c-></code></a>;
 };
 
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@@ -2686,7 +2703,8 @@ <h2 class="no-num no-ref heading settled" id="idl-index"><span class="content">I
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@@ -2706,11 +2724,11 @@ <h2 class="no-num no-ref heading settled" id="idl-index"><span class="content">I
 window.dfnpanelData['create-a-chapterinformation'] = {"dfnID": "create-a-chapterinformation", "url": "#create-a-chapterinformation", "dfnText": "create a ChapterInformation", "refSections": [{"refs": [{"id": "ref-for-create-a-chapterinformation"}], "title": "5. The MediaMetadata interface"}], "external": false};
 window.dfnpanelData['dom-chapterinformation-title'] = {"dfnID": "dom-chapterinformation-title", "url": "#dom-chapterinformation-title", "dfnText": "title", "refSections": [{"refs": [{"id": "ref-for-dom-chapterinformation-title"}, {"id": "ref-for-dom-chapterinformation-title\u2460"}], "title": "6. The ChapterInformation\ninterface"}], "external": false};
 window.dfnpanelData['dom-chapterinformation-starttime'] = {"dfnID": "dom-chapterinformation-starttime", "url": "#dom-chapterinformation-starttime", "dfnText": "startTime", "refSections": [{"refs": [{"id": "ref-for-dom-chapterinformation-starttime"}, {"id": "ref-for-dom-chapterinformation-starttime\u2460"}], "title": "6. The ChapterInformation\ninterface"}], "external": false};
-window.dfnpanelData['dom-chapterinformation-artwork'] = {"dfnID": "dom-chapterinformation-artwork", "url": "#dom-chapterinformation-artwork", "dfnText": "artwork", "refSections": [{"refs": [{"id": "ref-for-dom-chapterinformation-artwork"}], "title": "6. The ChapterInformation\ninterface"}], "external": false};
+window.dfnpanelData['dom-chapterinformation-artwork'] = {"dfnID": "dom-chapterinformation-artwork", "url": "#dom-chapterinformation-artwork", "dfnText": "artwork", "refSections": [{"refs": [{"id": "ref-for-dom-chapterinformation-artwork"}, {"id": "ref-for-dom-chapterinformation-artwork\u2460"}], "title": "6. The ChapterInformation\ninterface"}], "external": false};
 window.dfnpanelData['dictdef-mediaimage'] = {"dfnID": "dictdef-mediaimage", "url": "#dictdef-mediaimage", "dfnText": "MediaImage", "refSections": [{"refs": [{"id": "ref-for-dictdef-mediaimage"}, {"id": "ref-for-dictdef-mediaimage\u2460"}, {"id": "ref-for-dictdef-mediaimage\u2461"}, {"id": "ref-for-dictdef-mediaimage\u2462"}, {"id": "ref-for-dictdef-mediaimage\u2463"}, {"id": "ref-for-dictdef-mediaimage\u2464"}, {"id": "ref-for-dictdef-mediaimage\u2465"}], "title": "5. The MediaMetadata interface"}, {"refs": [{"id": "ref-for-dictdef-mediaimage\u2466"}, {"id": "ref-for-dictdef-mediaimage\u2467"}], "title": "6. The ChapterInformation\ninterface"}, {"refs": [{"id": "ref-for-dictdef-mediaimage\u2468"}, {"id": "ref-for-dictdef-mediaimage\u2460\u24ea"}, {"id": "ref-for-dictdef-mediaimage\u2460\u2460"}, {"id": "ref-for-dictdef-mediaimage\u2460\u2461"}, {"id": "ref-for-dictdef-mediaimage\u2460\u2462"}], "title": "7. The MediaImage dictionary"}], "external": false};
-window.dfnpanelData['dom-mediaimage-src'] = {"dfnID": "dom-mediaimage-src", "url": "#dom-mediaimage-src", "dfnText": "src", "refSections": [{"refs": [{"id": "ref-for-dom-mediaimage-src"}], "title": "3.3. Metadata"}, {"refs": [{"id": "ref-for-dom-mediaimage-src\u2460"}, {"id": "ref-for-dom-mediaimage-src\u2461"}, {"id": "ref-for-dom-mediaimage-src\u2462"}, {"id": "ref-for-dom-mediaimage-src\u2463"}], "title": "5. The MediaMetadata interface"}, {"refs": [{"id": "ref-for-dom-mediaimage-src\u2464"}], "title": "7. The MediaImage dictionary"}], "external": false};
-window.dfnpanelData['dom-mediaimage-sizes'] = {"dfnID": "dom-mediaimage-sizes", "url": "#dom-mediaimage-sizes", "dfnText": "sizes", "refSections": [{"refs": [{"id": "ref-for-dom-mediaimage-sizes"}, {"id": "ref-for-dom-mediaimage-sizes\u2460"}, {"id": "ref-for-dom-mediaimage-sizes\u2461"}, {"id": "ref-for-dom-mediaimage-sizes\u2462"}], "title": "5. The MediaMetadata interface"}, {"refs": [{"id": "ref-for-dom-mediaimage-sizes\u2463"}, {"id": "ref-for-dom-mediaimage-sizes\u2464"}, {"id": "ref-for-dom-mediaimage-sizes\u2465"}], "title": "7. The MediaImage dictionary"}], "external": false};
-window.dfnpanelData['dom-mediaimage-type'] = {"dfnID": "dom-mediaimage-type", "url": "#dom-mediaimage-type", "dfnText": "type", "refSections": [{"refs": [{"id": "ref-for-dom-mediaimage-type"}, {"id": "ref-for-dom-mediaimage-type\u2460"}, {"id": "ref-for-dom-mediaimage-type\u2461"}, {"id": "ref-for-dom-mediaimage-type\u2462"}], "title": "5. The MediaMetadata interface"}, {"refs": [{"id": "ref-for-dom-mediaimage-type\u2463"}], "title": "7. The MediaImage dictionary"}], "external": false};
+window.dfnpanelData['dom-mediaimage-src'] = {"dfnID": "dom-mediaimage-src", "url": "#dom-mediaimage-src", "dfnText": "src", "refSections": [{"refs": [{"id": "ref-for-dom-mediaimage-src"}], "title": "3.3. Metadata"}, {"refs": [{"id": "ref-for-dom-mediaimage-src\u2460"}, {"id": "ref-for-dom-mediaimage-src\u2461"}], "title": "5. The MediaMetadata interface"}, {"refs": [{"id": "ref-for-dom-mediaimage-src\u2462"}], "title": "7. The MediaImage dictionary"}], "external": false};
+window.dfnpanelData['dom-mediaimage-sizes'] = {"dfnID": "dom-mediaimage-sizes", "url": "#dom-mediaimage-sizes", "dfnText": "sizes", "refSections": [{"refs": [{"id": "ref-for-dom-mediaimage-sizes"}, {"id": "ref-for-dom-mediaimage-sizes\u2460"}], "title": "5. The MediaMetadata interface"}, {"refs": [{"id": "ref-for-dom-mediaimage-sizes\u2461"}, {"id": "ref-for-dom-mediaimage-sizes\u2462"}, {"id": "ref-for-dom-mediaimage-sizes\u2463"}], "title": "7. The MediaImage dictionary"}], "external": false};
+window.dfnpanelData['dom-mediaimage-type'] = {"dfnID": "dom-mediaimage-type", "url": "#dom-mediaimage-type", "dfnText": "type", "refSections": [{"refs": [{"id": "ref-for-dom-mediaimage-type"}, {"id": "ref-for-dom-mediaimage-type\u2460"}], "title": "5. The MediaMetadata interface"}, {"refs": [{"id": "ref-for-dom-mediaimage-type\u2461"}], "title": "7. The MediaImage dictionary"}], "external": false};
 window.dfnpanelData['dictdef-mediapositionstate'] = {"dfnID": "dictdef-mediapositionstate", "url": "#dictdef-mediapositionstate", "dfnText": "MediaPositionState", "refSections": [{"refs": [{"id": "ref-for-dictdef-mediapositionstate"}], "title": "3.5. Position State"}, {"refs": [{"id": "ref-for-dictdef-mediapositionstate\u2460"}], "title": "4. The MediaSession interface"}, {"refs": [{"id": "ref-for-dictdef-mediapositionstate\u2461"}, {"id": "ref-for-dictdef-mediapositionstate\u2462"}], "title": "8. The MediaPositionState\ndictionary"}], "external": false};
 window.dfnpanelData['dom-mediapositionstate-duration'] = {"dfnID": "dom-mediapositionstate-duration", "url": "#dom-mediapositionstate-duration", "dfnText": "duration", "refSections": [{"refs": [{"id": "ref-for-dom-mediapositionstate-duration"}, {"id": "ref-for-dom-mediapositionstate-duration\u2460"}, {"id": "ref-for-dom-mediapositionstate-duration\u2461"}], "title": "4. The MediaSession interface"}, {"refs": [{"id": "ref-for-dom-mediapositionstate-duration\u2462"}], "title": "8. The MediaPositionState\ndictionary"}], "external": false};
 window.dfnpanelData['dom-mediapositionstate-playbackrate'] = {"dfnID": "dom-mediapositionstate-playbackrate", "url": "#dom-mediapositionstate-playbackrate", "dfnText": "playbackRate", "refSections": [{"refs": [{"id": "ref-for-dom-mediapositionstate-playbackrate"}, {"id": "ref-for-dom-mediapositionstate-playbackrate\u2460"}], "title": "4. The MediaSession interface"}, {"refs": [{"id": "ref-for-dom-mediapositionstate-playbackrate\u2461"}], "title": "8. The MediaPositionState\ndictionary"}], "external": false};