[shadow-styling] No need to include the host element in the /shadow results.

Author: tabatkins

shadow-styling/Overview.html

@@ -271,7 +271,7 @@ <h3 class="heading settled heading" data-level=4.1 id=shadow-combinator><span cl
 <p>	When a <dfn class=css-code data-dfn-type=selector data-export="" id=selectordef-shadow>/shadow<a class=self-link href=#selectordef-shadow></a></dfn> combinator is encountered in a selector,
 	first filter the <a data-link-type=dfn href=http://dev.w3.org/csswg/selectors-4/#selector-match-list title="selector match list">selector match list</a> to only include elements with <a data-link-type=dfn href=#shadow-tree title="shadow trees">shadow trees</a>.
 	Then replace every element in the <a data-link-type=dfn href=http://dev.w3.org/csswg/selectors-4/#selector-match-list title="selector match list">selector match list</a>
-	with the <a data-link-type=dfn href=#host-element0 title="host element">host element</a> and <a data-link-type=dfn href=#top-level-element title="top-level elements">top-level elements</a> of each <a data-link-type=dfn href=#shadow-tree title="shadow tree">shadow tree</a> of the element.
+	with the <a data-link-type=dfn href=#top-level-element title="top-level elements">top-level elements</a> of each <a data-link-type=dfn href=#shadow-tree title="shadow tree">shadow tree</a> of the element.
 
 	<div class=example>
 		For example, say you had a component with a <a data-link-type=dfn href=#shadow-tree title="shadow tree">shadow tree</a> like the following:
@@ -300,7 +300,9 @@ <h3 class="heading settled heading" data-level=4.2 id=shadow-all-combinator><spa
 <p>	When a <dfn class=css-code data-dfn-type=selector data-export="" id=selectordef-shadow-all>/shadow-all<a class=self-link href=#selectordef-shadow-all></a></dfn> combinator is encountered in a selector,
 	first filter the <a data-link-type=dfn href=http://dev.w3.org/csswg/selectors-4/#selector-match-list title="selector match list">selector match list</a> to only include elements with <a data-link-type=dfn href=#shadow-tree title="shadow trees">shadow trees</a>.
 	Then replace every element in the <a data-link-type=dfn href=http://dev.w3.org/csswg/selectors-4/#selector-match-list title="selector match list">selector match list</a>
-	with all the elements in all the <a data-link-type=dfn href=#shadow-tree title="shadow trees">shadow trees</a> of the element.
+	with the <a data-link-type=dfn href=#top-level-element title="top-level elements">top-level elements</a> of each <a data-link-type=dfn href=#shadow-tree title="shadow tree">shadow tree</a> of the element,
+	and every element reachable by traversing any number of child lists
+	from those elements.
 
 	<div class=example>
 		For example, say you had a component with a <a data-link-type=dfn href=#shadow-tree title="shadow tree">shadow tree</a> like the following:

shadow-styling/Overview.src.html

@@ -143,7 +143,7 @@ <h3 id='shadow-combinator'>
 	When a <dfn selector>/shadow</dfn> combinator is encountered in a selector,
 	first filter the <a>selector match list</a> to only include elements with <a>shadow trees</a>.
 	Then replace every element in the <a>selector match list</a>
-	with the <a>host element</a> and <a>top-level elements</a> of each <a>shadow tree</a> of the element.
+	with the <a>top-level elements</a> of each <a>shadow tree</a> of the element.
 
 	<div class='example'>
 		For example, say you had a component with a <a>shadow tree</a> like the following:
@@ -174,7 +174,9 @@ <h3 id='shadow-all-combinator'>
 	When a <dfn selector>/shadow-all</dfn> combinator is encountered in a selector,
 	first filter the <a>selector match list</a> to only include elements with <a>shadow trees</a>.
 	Then replace every element in the <a>selector match list</a>
-	with all the elements in all the <a>shadow trees</a> of the element.
+	with the <a>top-level elements</a> of each <a>shadow tree</a> of the element,
+	and every element reachable by traversing any number of child lists
+	from those elements.
 
 	<div class='example'>
 		For example, say you had a component with a <a>shadow tree</a> like the following: