Add HTML element moving steps override

source

@@ -1773,8 +1773,9 @@ a.setAttribute('href', 'https://example.com/'); // change the content attribute
   data-x="control">controls</span> or U+0020 SPACE).</p>
 
   <p>An HTML element can have specific <dfn>HTML element insertion steps</dfn>, <dfn>HTML element
-  post-connection steps</dfn>, and <dfn>HTML element removing steps</dfn>, all defined for the
-  element's <span data-x="concept-element-local-name">local name</span>.</p>
+  post-connection steps</dfn>, <dfn>HTML element removing steps</dfn>, and <dfn>HTML element moving
+  steps</dfn> all defined for the element's <span data-x="concept-element-local-name">local
+  name</span>.</p>
 
   <p>The <span data-x="concept-node-insert-ext">insertion steps</span> for the HTML Standard, given
   <var>insertedNode</var>, are defined as the following:</p>
@@ -1861,6 +1862,31 @@ a.setAttribute('href', 'https://example.com/'); // change the content attribute
    popover algorithm</span> given <var>removedNode</var>, false, false, and false.</p></li>
   </ol>
 
+  <p>The <span data-x="concept-node-move-ext">moving steps</span> for the HTML Standard, given
+  <var>movedNode</var>, are defined as the following:</p>
+
+  <ol>
+   <li><p>If <var>movedNode</var> is an element whose <span
+   data-x="concept-element-namespace">namespace</span> is the <span>HTML namespace</span>, and this
+   standard defines <span>HTML element moving steps</span> for <var>movedNode</var>'s <span
+   data-x="concept-element-local-name">local name</span>, then run the corresponding <span>HTML
+   element moving steps</span> given <var>movedNode</var>.</p></li>
+
+   <li>
+    <p>If <var>movedNode</var> is a <span>form-associated element</span> or the ancestor of a
+    <span>form-associated element</span>, then:</p>
+
+    <ol>
+     <li><p>If the <span>form-associated element</span>'s <span>parser inserted flag</span> is set,
+     then return.</p></li>
+
+     <li><p><span>Reset the form owner</span> of the <span>form-associated element</span>.</p></li>
+    </ol>
+   </li>
+  </ol>
+
+
+
   <p>A <dfn id="insert-an-element-into-a-document" data-x="node is inserted into a document"
   data-lt="inserted into a document|node is inserted into a document" export>node is inserted into a
   document</dfn> when the <span data-x="concept-node-insert-ext">insertion steps</span> are invoked
@@ -3258,6 +3284,7 @@ a.setAttribute('href', 'https://example.com/'); // change the content attribute
      <li>The <dfn data-x="concept-node-insert-ext" data-x-href="https://dom.spec.whatwg.org/#concept-node-insert-ext">insertion steps</dfn>,
      <li>The <dfn data-x="concept-node-post-insert-ext" data-x-href="https://dom.spec.whatwg.org/#concept-node-post-connection-ext">post-connection steps</dfn>,
              <dfn data-x="concept-node-remove-ext" data-x-href="https://dom.spec.whatwg.org/#concept-node-remove-ext">removing steps</dfn>,
+             <dfn data-x="concept-node-move-ext" data-x-href="https://dom.spec.whatwg.org/#concept-node-move-ext">moving steps</dfn>,
              <dfn data-x="concept-node-adopt-ext" data-x-href="https://dom.spec.whatwg.org/#concept-node-adopt-ext">adopting steps</dfn>, and
              <dfn data-x-href="https://dom.spec.whatwg.org/#concept-node-children-changed-ext">children changed steps</dfn> hooks for elements</li>
      <li>The <dfn data-x="concept-element-attributes-change" data-x-href="https://dom.spec.whatwg.org/#concept-element-attributes-change">change</dfn>, <dfn data-x="concept-element-attributes-append" data-x-href="https://dom.spec.whatwg.org/#concept-element-attributes-append">append</dfn>, <dfn data-x="concept-element-attributes-remove" data-x-href="https://dom.spec.whatwg.org/#concept-element-attributes-remove">remove</dfn>, <dfn data-x="concept-element-attributes-replace" data-x-href="https://dom.spec.whatwg.org/#concept-element-attributes-replace">replace</dfn>, <dfn data-x="concept-element-attributes-get-by-namespace" data-x-href="https://dom.spec.whatwg.org/#concept-element-attributes-get-by-namespace">get an attribute by namespace and local name</dfn>, <dfn data-x="concept-element-attributes-set-value" data-x-href="https://dom.spec.whatwg.org/#concept-element-attributes-set-value">set value</dfn>, and <dfn data-x="concept-element-attributes-remove-by-namespace" data-x-href="https://dom.spec.whatwg.org/#concept-element-attributes-remove-by-namespace">remove an attribute by namespace and local name</dfn> algorithms for attributes</li>