Topmost clicked popover takes one argument

Presumably this was a leftover from an earlier iteration of the popover feature.

source

@@ -82558,17 +82558,10 @@ dictionary <dfn dictionary>DragEventInit</dfn> : <span>MouseEventInit</span> {
 
    <li><p>Let <var>document</var> be <var>target</var>'s <span>node document</span>.</p></li>
 
-   <li>
-    <p>If <var>event</var> is a <code>PointerEvent</code> and <var>event</var>'s <code
-    data-x="dom-Event-type">type</code> is <code data-x="event-pointerdown">pointerdown</code>,
-    then:</p>
-
-    <ol>
-     <li><p>Set <var>document</var>'s <span>popover pointerdown target</span> to the result of
-     running <span>topmost clicked popover</span> given <var>target</var> and "<code
-     data-x="">inclusive</code>".</p></li>
-    </ol>
-   </li>
+   <li><p>If <var>event</var> is a <code>PointerEvent</code> and <var>event</var>'s <code
+   data-x="dom-Event-type">type</code> is <code data-x="event-pointerdown">pointerdown</code>, then:
+   set <var>document</var>'s <span>popover pointerdown target</span> to the result of running
+   <span>topmost clicked popover</span> given <var>target</var>.</p></li>
 
    <li>
     <p>If <var>event</var> is a <code>PointerEvent</code> and <var>event</var>'s <code