Make focus async when removing open attribute

source

@@ -59996,8 +59996,8 @@ fur
      <li><p>Otherwise, if <var>submitter</var> has a <span data-x="concept-fe-value">value</span>,
      then set <var>result</var> to that <span data-x="concept-fe-value">value</span>.</p></li>
 
-     <li><p><span>Close the dialog with attribute changes</span> given <var>subject</var> and
-     <var>result</var>.</p></li>
+     <li><p><span>Close the dialog with attribute changes</span> given <var>subject</var>,
+     <var>result</var>, and false.</p></li>
 
      <li><p>Return.</p></li>
     </ol>
@@ -61732,7 +61732,7 @@ interface <dfn interface>HTMLDialogElement</dfn> : <span>HTMLElement</span> {
    return.</p></li>
 
    <li><p>If <var>value</var> is null, then <span>close the dialog</span> given
-   <var>element</var> and null.</p></li>
+   <var>element</var>, null, and true.</p></li>
   </ol>
 
   <p>The <code data-x="attr-tabindex">tabindex</code> attribute must not be specified on
@@ -62041,11 +62041,12 @@ interface <dfn interface>HTMLDialogElement</dfn> : <span>HTMLElement</span> {
    <li><p>Remove <var>subject</var>'s <code data-x="attr-dialog-open">open</code>
    attribute.</p></li>
 
-   <li><p>Run <span>close the dialog</span> given <var>subject</var> and <var>result</var>.</p></li>
+   <li><p>Run <span>close the dialog</span> given <var>subject</var>, <var>result</var>, and
+   false.</p></li>
   </ol>
 
-  <p>To <dfn>close the dialog</dfn> given a <code>dialog</code> element <var>subject</var> and a
-  string or null <var>result</var>:</p>
+  <p>To <dfn>close the dialog</dfn> given a <code>dialog</code> element <var>subject</var>, a
+  string or null <var>result</var>, and a boolean <var>asyncFocus</var>:</p>
 
   <ol>
    <li><p>If the <span>is modal</span> flag of <var>subject</var> is true, then <span>request an
@@ -62068,11 +62069,21 @@ interface <dfn interface>HTMLDialogElement</dfn> : <span>HTMLElement</span> {
 
      <li><p>Set <var>subject</var>'s <span>previously focused element</span> to null.</p></li>
 
-     <li><p>If <var>subject</var>'s <span>node document</span>'s <span>focused area of the
-     document</span>'s <span>DOM anchor</span> is a <span>shadow-including inclusive
-     descendant</span> of <var>element</var>, or <var>wasModal</var> is true, then run the
-     <span>focusing steps</span> for <var>element</var>; the viewport should not be scrolled by
-     doing this step.</p></li>
+     <li>
+      <p>If <var>subject</var>'s <span>node document</span>'s <span>focused area of the
+      document</span>'s <span>DOM anchor</span> is a <span>shadow-including inclusive
+      descendant</span> of <var>element</var>, or <var>wasModal</var> is true, then:</p>
+
+      <ol>
+       <li><p>If <var>asyncFocus</var> is true, then <span>queue an element task</span> on the
+       <span>user interaction task source</span> given the <var>subject</var> element to run the
+       <span>focusing steps</span> for <var>element</var>; the viewport should not be scrolled by
+       doing this step.</p></li>
+
+       <li><p>Otherwise, run run the <span>focusing steps</span> for <var>element</var>; the
+       viewport should not be scrolled by doing this step.</p></li>
+      </ol>
+     </li>
     </ol>
    </li>