[css-scoping-1] Fix linking errors, add issue about shadow matching not working.

Author: tabatkins

css-scoping-1/Overview.bs

@@ -19,8 +19,8 @@ spec:dom; type:dfn;
 	text:host
 	text:shadow root; for:/
 	text:root; for:tree
-	text:find slotables
-	text:find flattened slotables
+	text:find slottables
+	text:find flattened slottables
 spec:html; type:element; text:style
 spec:selectors-4; type:dfn;
 	text: static profile
@@ -163,12 +163,14 @@ Shadow DOM and Selectors</h3>
 Matching Selectors Against Shadow Trees</h4>
 
 	When a selector is matched against a <a>shadow tree</a>,
-	the <a>selector match list</a>
+	the selector match list
 	is initially the <a>shadow host</a>,
 	followed by all children of the <a>shadow tree's</a> <a>shadow root</a>
 	and their descendants,
 	ordered by a pre-order traversal.
 
+	Issue: Rewrite this against the newer call forms of the matching algorithms.
+
 	Note: Remember that the <a>descendants</a> of an element
 	are based on the <a>light tree</a> <a>children</a> of the element,
 	which does not include the <a>shadow trees</a> of the element.
@@ -346,7 +348,7 @@ Selecting Into the Light: the '':host'', '':host()'', and '':host-context()'' ps
 Selecting Slot-Assigned Content: the ''::slotted()'' pseudo-element</h4>
 
 	The <dfn selector>::slotted()</dfn> pseudo-element
-	represents the elements <a lt="find flattened slotables">assigned, after flattening,</a> to a <a>slot</a>.
+	represents the elements <a lt="find flattened slottables">assigned, after flattening,</a> to a <a>slot</a>.
 	This pseudo-element only exists on <a>slots</a>.
 
 	The ''::slotted()'' pseudo-element is an <em>alias</em> for other elements in the tree,
@@ -358,7 +360,7 @@ Selecting Slot-Assigned Content: the ''::slotted()'' pseudo-element</h4>
 
 	The ''::slotted()'' pseudo-element represents the elements that are:
 
-	* <a lt="find flattened slotables">assigned, after flattening,</a> to the <a>slot</a> that is ''::slotted''’s originating element
+	* <a lt="find flattened slottables">assigned, after flattening,</a> to the <a>slot</a> that is ''::slotted''’s originating element
 	* <a lt="match a selector against an element">matched</a> by its <<compound-selector-list>> argument
 
 	The ''::slotted()'' pseudo-element can be followed by a <a>tree-abiding pseudo-element</a>,
@@ -390,7 +392,7 @@ Selecting Slot-Assigned Content: the ''::slotted()'' pseudo-element</h4>
 		For a stylesheet within the <a>shadow tree</a>,
 		a selector like ''::slotted(*)''
 		selects ''#one'' and ''#two'' only,
-		as they're the elements <a lt="find flattened slotables">assigned</a> to the sole <{slot}> element.
+		as they're the elements <a lt="find flattened slottables">assigned</a> to the sole <{slot}> element.
 		It will <em>not</em> select ''#three''
 		(no <code>slot</code> attribute)
 		nor ''#four''
@@ -485,11 +487,11 @@ Flattening the DOM into an Element Tree</h3>
 					with <var>pending node</var> as their associated parent.
 				<dt><var>pending node</var> is a <a>slot</a>
 				<dd>
-					<a>Find slotables</a> for <var>pending node</var>,
+					<a>Find slottables</a> for <var>pending node</var>,
 					and append them to <var>pending nodes</var>,
 					with <var>pending node</var> as their associated parent.
 
-					If no <a>slotables</a> were found for <var>pending node</var>,
+					If no <a>slottables</a> were found for <var>pending node</var>,
 					instead append its <a>children</a> to <var>pending nodes</var>,
 					with <var>pending node</var> as their associated parent.
 				<dt>Otherwise,