move cloning steps so clone a single node doesn't need subtree

Author: annevk

dom.bs

@@ -4536,7 +4536,7 @@ each <a for=tree>descendant</a> <a>exclusive <code>Text</code> node</a> <var>nod
 <a lt="Other applicable specifications">Specifications</a> may define
 <dfn export id=concept-node-clone-ext>cloning steps</dfn> for all or some <a for=/>nodes</a>. The
 algorithm is passed <var ignore>node</var>, <var ignore>copy</var>, and <var ignore>subtree</var> as
-indicated in the <a>clone a single node</a> algorithm.
+indicated in the <a>clone a node and append</a> algorithm.
 
 <p class=note>HTML defines <a>cloning steps</a> for several elements, such as <{input}>, <{script}>,
 and <{template}>. SVG ought to do the same for its <{script}> elements, but does not.
@@ -4562,12 +4562,16 @@ and <{template}>. SVG ought to do the same for its <{script}> elements, but does
 boolean <var>subtree</var>:
 
 <ol>
- <li><p>Let <var>copy</var> be the result of <a>cloning a single node</a> given <var>node</var>,
- <var>document</var>, and <var>subtree</var>.
+ <li><p>Let <var>copy</var> be the result of <a>cloning a single node</a> given <var>node</var> and
+ <var>document</var>.
 
  <li><p>If <var>parent</var> is non-null, then <a for=/>append</a> <var>childCopy</var> to
  <var>parentCopy</var>.
 
+ <li><p>Run any <a>cloning steps</a> defined for <var>node</var> in
+ <a>other applicable specifications</a> and pass <var>node</var>, <var>copy</var>, and
+ <var>subtree</var> as parameters.
+
  <li>
   <p>If <var>node</var> is an <a for=/>element</a>, <a for=Element>shadow host</a>, and its
   <a for=Element>shadow root</a>'s <a for=ShadowRoot>clonable</a> is true:
@@ -4585,7 +4589,7 @@ boolean <var>subtree</var>:
    to <var>node</var>'s <a for=Element>shadow root</a>'s <a for=ShadowRoot>declarative</a>.
 
    <li><p>For each <var>child</var> of <var>node</var>'s <a for=Element>shadow root</a>'s
-   <a for=tree>children</a>, in <a>tree order</a>, <a>clone a node and append</a> given
+   <a for=tree>children</a>, in <a>tree order</a>: <a>clone a node and append</a> given
    <var>child</var>, <var>copy</var>'s <a for=Element>shadow root</a>, <var>document</var>, and
    <var>subtree</var>.
   </ol>
@@ -4597,8 +4601,8 @@ boolean <var>subtree</var>:
 </div>
 
 <div algorithm>
-<p>To <dfn>clone a single node</dfn> given a <a for=/>node</a> <var>node</var>,
-<a for=/>document</a> <var>document</var>, and boolean <var>subtree</var>:
+<p>To <dfn>clone a single node</dfn> given a <a for=/>node</a> <var>node</var> and
+<a for=/>document</a> <var>document</var>:
 
 <ol>
  <li><p>Let <var>copy</var> be null.
@@ -4661,10 +4665,6 @@ boolean <var>subtree</var>:
 
  <li><p>Set <var>copy</var>'s <a for=Node>node document</a> to <var>document</var>.
 
- <li><p>Run any <a>cloning steps</a> defined for <var>node</var> in
- <a>other applicable specifications</a> and pass <var>node</var>, <var>copy</var>, and
- <var>subtree</var> as parameters.
-
  <li><p>Return <var>copy</var>.
 </ol>
 </div>