[css-cascade-4] Post-publication edits (w3c#5451)

Author: xfq

css-cascade-4/Overview.bs

@@ -2,13 +2,14 @@
 Title: CSS Cascading and Inheritance Level 4
 Shortname: css-cascade
 Level: 4
-Status: WD
+Status: ED
 Work Status: Testing
 Group: csswg
 ED: https://drafts.csswg.org/css-cascade/
 TR: https://www.w3.org/TR/css-cascade-4/
 Editor: Elika J. Etemad / fantasai, Invited Expert, http://fantasai.inkedblade.net/contact, w3cid 35400
 Editor: Tab Atkins Jr., Google, http://xanthir.com/contact/, w3cid 42199
+Previous Version: https://www.w3.org/TR/2020/WD-css-cascade-4-20200818/
 Previous Version: https://www.w3.org/TR/2018/CR-css-cascade-4-20180828/
 Previous Version: https://www.w3.org/TR/2016/CR-css-cascade-4-20160114/
 Previous Version: https://www.w3.org/TR/2015/WD-css-cascade-4-20150908/
@@ -1158,6 +1159,9 @@ Changes Since the 28 August 2018 Candidate Recommendation</h3>
 		<li id="change-2018-shadow-inherit">
 			Defined that, in consideration of [=shadow trees=],
 			[=inheritance=] operates over the [=flattened element tree=].
+		<li id="change-2018-drop-scoped">
+			Removed scoping from the [=cascade=] sort criteria,
+			because it has not been implemented.
 	</ul>
 
 <h3 id="changes-2016">