[css-cascade-6] Add inline and linked scope issues

Author: mirisuzanne

css-cascade-6/Overview.bs

@@ -284,6 +284,8 @@ Cascade Sorting Order</h3>
 			Note: When the [=:scope element=] is not otherwise defined for a declaration,
 			it is the document root element.
 
+			Issue: Does scope proximity belong above or below specificity in the cascade?
+
 		<dt id='cascade-order'>Order of Appearance
 		<dd>
 			The last declaration in document order wins.
@@ -359,6 +361,10 @@ Scoped Styles</h2>
 	will always refer to the [=scope=] being described,
 	rather than the outer scope context.
 
+	Issue: Should scope boundaries be added to the definition of [=scoped selectors=]?
+
+	Issue(6577): Inclusive vs exclusive lower boundaries
+
 	<div class=example>
 		For example,
 		[=scope boundaries=] can be contextual: