Define host concept for <template> and Shadow DOM so it's clear what …

…needs to be implemented.

Fixes https://www.w3.org/Bugs/Public/show_bug.cgi?id=20127

Overview.src.html

@@ -1444,9 +1444,15 @@ <h4>Mutation algorithms</h4>
  <span title=concept-throw>throw</span> a
  "<code>HierarchyRequestError</code>" and terminate these steps.
 
- <li><p>If <var title>node</var> is an
+ <li><p>If <var title>node</var> is either an
  <span title=concept-tree-inclusive-ancestor>inclusive ancestor</span> of
- <var title>parent</var>, <span title=concept-throw>throw</span> a
+ <var title>parent</var>, or <var title>node</var>'s 
+ <span title=concept-tree-root>root</span> is a <code>DocumentFragment</code>
+ <span title=concept-node>node</span> with an associated
+ <span title=concept-DocumentFragment-host>host</span> and <var title>node</var> is an
+ <span title=concept-tree-inclusive-ancestor>inclusive ancestor</span> of that
+ <span title=concept-DocumentFragment-host>host</span>, 
+ <span title=concept-throw>throw</span> a
  "<code>HierarchyRequestError</code>" and terminate these steps.
 
  <li><p>If <var title>child</var> is not null and its
@@ -1634,9 +1640,15 @@ <h4>Mutation algorithms</h4>
  <span title=concept-throw>throw</span> a
  "<code>HierarchyRequestError</code>" and terminate these steps.
 
- <li><p>If <var title>node</var> is an
+ <li><p>If <var title>node</var> is either an
  <span title=concept-tree-inclusive-ancestor>inclusive ancestor</span> of
- <var title>parent</var>, <span title=concept-throw>throw</span> a
+ <var title>parent</var>, or <var title>node</var>'s 
+ <span title=concept-tree-root>root</span> is a <code>DocumentFragment</code>
+ <span title=concept-node>node</span> with an associated
+ <span title=concept-DocumentFragment-host>host</span> and <var title>node</var> is an
+ <span title=concept-tree-inclusive-ancestor>inclusive ancestor</span> of that
+ <span title=concept-DocumentFragment-host>host</span>, 
+ <span title=concept-throw>throw</span> a
  "<code>HierarchyRequestError</code>" and terminate these steps.
 
  <li><p>If <var title>child</var>'s
@@ -4748,6 +4760,18 @@ <h3>Interface <code>DocumentFragment</code></h3>
 <pre class=idl>interface <dfn>DocumentFragment</dfn> : <span>Node</span> {
 };</pre>
 
+<p>A <code>DocumentFragment</code> <span title=concept-node>node</span> can have an
+associated <span title=concept-element>element</span> named 
+<dfn title=concept-DocumentFragment-host>host</dfn>.
+
+<p class=note>The <code>DocumentFragment</code> <span title=concept-node>node</span>'s
+<span title=concept-DocumentFragment-host>host</span> concept is useful for HTML's
+<code>template</code> element and the <code>ShadowRoot</code> object and impacts the
+<span title=concept-node-pre-insert>pre-insert</span> and 
+<span title=concept-node-replace>replace</span> algorithms.
+
+<!-- XXX xref
+     XXX ShadowRoot is a Node technically -->
 
 
 <h3>Interface <code>DocumentType</code></h3>

dom-core.html

@@ -10,7 +10,7 @@
 
 <p><a class="logo" href="//www.whatwg.org/"><img alt="WHATWG" height="100" src="//resources.whatwg.org/logo-dom.svg" width="100"></a></p>
  <h1>DOM</h1>
- <h2 class="no-num no-toc" id="living-standard-—-last-updated-25-january-2013">Living Standard — Last Updated 25 January 2013</h2>
+ <h2 class="no-num no-toc" id="living-standard-—-last-updated-6-february-2013">Living Standard — Last Updated 6 February 2013</h2>
 
  <dl>
   <dt>This Version:
@@ -42,7 +42,7 @@ <h2 class="no-num no-toc" id="living-standard-—-last-updated-25-january-2013">
 <p class="copyright"><a href="http://creativecommons.org/publicdomain/zero/1.0/" rel="license"><img alt="CC0" src="http://i.creativecommons.org/p/zero/1.0/80x15.png"></a>
 To the extent possible under law, the editors have waived all copyright and
 related or neighboring rights to this work. In addition, as of
-25 January 2013, the editors have made this specification available
+6 February 2013, the editors have made this specification available
 under the
 <a href="http://www.openwebfoundation.org/legal/the-owf-1-0-agreements/owfa-1-0" rel="license">Open Web Foundation Agreement Version 1.0</a>,
 which is available at
@@ -1517,9 +1517,15 @@ <h4 id="mutation-algorithms"><span class="secno">5.2.1 </span>Mutation algorithm
  <a href="#concept-throw" title="concept-throw">throw</a> a
  "<code><a href="#hierarchyrequesterror">HierarchyRequestError</a></code>" and terminate these steps.
 
- <li><p>If <var title="">node</var> is an
+ <li><p>If <var title="">node</var> is either an
  <a href="#concept-tree-inclusive-ancestor" title="concept-tree-inclusive-ancestor">inclusive ancestor</a> of
- <var title="">parent</var>, <a href="#concept-throw" title="concept-throw">throw</a> a
+ <var title="">parent</var>, or <var title="">node</var>'s 
+ <a href="#concept-tree-root" title="concept-tree-root">root</a> is a <code><a href="#documentfragment">DocumentFragment</a></code>
+ <a href="#concept-node" title="concept-node">node</a> with an associated
+ <a href="#concept-documentfragment-host" title="concept-DocumentFragment-host">host</a> and <var title="">node</var> is an
+ <a href="#concept-tree-inclusive-ancestor" title="concept-tree-inclusive-ancestor">inclusive ancestor</a> of that
+ <a href="#concept-documentfragment-host" title="concept-DocumentFragment-host">host</a>, 
+ <a href="#concept-throw" title="concept-throw">throw</a> a
  "<code><a href="#hierarchyrequesterror">HierarchyRequestError</a></code>" and terminate these steps.
 
  <li><p>If <var title="">child</var> is not null and its
@@ -1707,9 +1713,15 @@ <h4 id="mutation-algorithms"><span class="secno">5.2.1 </span>Mutation algorithm
  <a href="#concept-throw" title="concept-throw">throw</a> a
  "<code><a href="#hierarchyrequesterror">HierarchyRequestError</a></code>" and terminate these steps.
 
- <li><p>If <var title="">node</var> is an
+ <li><p>If <var title="">node</var> is either an
  <a href="#concept-tree-inclusive-ancestor" title="concept-tree-inclusive-ancestor">inclusive ancestor</a> of
- <var title="">parent</var>, <a href="#concept-throw" title="concept-throw">throw</a> a
+ <var title="">parent</var>, or <var title="">node</var>'s 
+ <a href="#concept-tree-root" title="concept-tree-root">root</a> is a <code><a href="#documentfragment">DocumentFragment</a></code>
+ <a href="#concept-node" title="concept-node">node</a> with an associated
+ <a href="#concept-documentfragment-host" title="concept-DocumentFragment-host">host</a> and <var title="">node</var> is an
+ <a href="#concept-tree-inclusive-ancestor" title="concept-tree-inclusive-ancestor">inclusive ancestor</a> of that
+ <a href="#concept-documentfragment-host" title="concept-DocumentFragment-host">host</a>, 
+ <a href="#concept-throw" title="concept-throw">throw</a> a
  "<code><a href="#hierarchyrequesterror">HierarchyRequestError</a></code>" and terminate these steps.
 
  <li><p>If <var title="">child</var>'s
@@ -4808,6 +4820,18 @@ <h3 id="interface-documentfragment"><span class="secno">5.6 </span>Interface <co
 <pre class="idl">interface <dfn id="documentfragment">DocumentFragment</dfn> : <a href="#node">Node</a> {
 };</pre>
 
+<p>A <code><a href="#documentfragment">DocumentFragment</a></code> <a href="#concept-node" title="concept-node">node</a> can have an
+associated <a href="#concept-element" title="concept-element">element</a> named 
+<dfn id="concept-documentfragment-host" title="concept-DocumentFragment-host">host</dfn>.
+
+<p class="note">The <code><a href="#documentfragment">DocumentFragment</a></code> <a href="#concept-node" title="concept-node">node</a>'s
+<a href="#concept-documentfragment-host" title="concept-DocumentFragment-host">host</a> concept is useful for HTML's
+<code>template</code> element and the <code>ShadowRoot</code> object and impacts the
+<a href="#concept-node-pre-insert" title="concept-node-pre-insert">pre-insert</a> and 
+<a href="#concept-node-replace" title="concept-node-replace">replace</a> algorithms.
+
+<!-- XXX xref
+     XXX ShadowRoot is a Node technically -->
 
 
 <h3 id="interface-documenttype"><span class="secno">5.7 </span>Interface <code><a href="#documenttype">DocumentType</a></code></h3>