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@@ -7646,7 +7646,9 @@ a.setAttribute('href', 'https://example.com/'); // change the content attribute
 
    <li>
     <p>The following <span data-x="concept-element-attributes-change-ext">attribute change
-    steps</span> are used to synchronize between the content attribute and the IDL attribute:</p>
+    steps</span>, given <var>element</var>, <var>localName</var>, <var>oldValue</var>,
+    <var>value</var>, and <var>namespace</var>, are used to synchronize between the content
+    attribute and the IDL attribute:</p>
     <ol>
      <li><p>If <var>localName</var> is not the content attribute's local name, or
      <var>namespace</var> is not null, then return.</p></li>
@@ -7658,7 +7660,7 @@ a.setAttribute('href', 'https://example.com/'); // change the content attribute
   </ul>
 
   <p>If a reflecting IDL attribute <var>attr</var> has the type <code
-  data-x="">FrozenArray&lt;<var>T</var>&gt;?</code>, where <var>T</var> is either
+  data-x="">FrozenArray&lt;<var>Element</var>&gt;?</code>, where <var>T</var> is either
   <code>Element</code> or an interface that inherits from <code>Element</code>, then:</p>
 
  <ul>
@@ -7668,7 +7670,7 @@ a.setAttribute('href', 'https://example.com/'); // change the content attribute
 
   <li><p>Elements of the type this IDL attribute appears on have <dfn>cached
   <var>attr</var>-associated elements</dfn>, which is a <code
-  data-x="">FrozenArray&lt;<code>Element</code>&gt;?</code>. It is initially null.</p></li>
+  data-x="">FrozenArray&lt;<code>T</code>&gt;?</code>. It is initially null.</p></li>
 
   <li>
    <p>Elements of the type this IDL attribute appears on have <dfn
@@ -7689,7 +7691,7 @@ a.setAttribute('href', 'https://example.com/'); // change the content attribute
         <li><p>If <var>attrElement</var> is not a <span>descendant</span> of any of <var>element</var>'s <span
         data-x="concept-shadow-including-ancestor">shadow-including ancestors</span>, then
         <span>continue</span>.</p></li>
-        <li><p>Add <var>attrElement</var> to <var>elements</var>.</p></li>
+        <li><p><span data-x="list append">Append</span> <var>attrElement</var> to <var>elements</var>.</p></li>
        </ol>
       </li>
      </ol>
@@ -7728,16 +7730,14 @@ a.setAttribute('href', 'https://example.com/'); // change the content attribute
 
     <li><p>Return <var>elements</var>.</p></li>
    </ol>
-  </li>
 
-  <li>
-    <p class="note">Other parts of this specification, or other specifications using attribute
-    reflection, are generally expected to consult the <span><var>attr</var>-associated
-    elements</span>. The <span>explicitly set <var>attr</var>-elements</span> are an internal
-    implementation detail of the <span><var>attr</var>-associated elements</span>, and are not to be
-    used directly. Similarly, the <span>cached <var>attr</var>-associated elements</span> are an
-    internal implementation detail of the IDL attribute's getter.</p>
-   </li>
+   <p class="note">Other parts of this specification, or other specifications using attribute
+   reflection, are generally expected to consult the <span><var>attr</var>-associated
+   elements</span>. The <span>explicitly set <var>attr</var>-elements</span> are an internal
+   implementation detail of the <span><var>attr</var>-associated elements</span>, and are not to be
+   used directly. Similarly, the <span>cached <var>attr</var>-associated elements</span> are an
+   internal implementation detail of the IDL attribute's getter.</p>
+  </li>
 
    <li>
     <p>On getting, the IDL attribute must perform the following steps:</p>
@@ -7824,7 +7824,9 @@ a.setAttribute('href', 'https://example.com/'); // change the content attribute
 
    <li>
     <p>The following <span data-x="concept-element-attributes-change-ext">attribute change
-    steps</span> are used to synchronize between the content attribute and the IDL attribute:</p>
+    steps</span>, given <var>element</var>, <var>localName</var>, <var>oldValue</var>,
+    <var>value</var>, and <var>namespace</var>, are used to synchronize between the content
+    attribute and the IDL attribute:</p>
     <ol>
      <li><p>If <var>localName</var> is not the content attribute's local name, or
      <var>namespace</var> is not null, then return.</p></li>