[css-highlight-api] prepare for TR then revert to ED

Author: svgeesus

css-highlight-api-1/Overview.bs

@@ -32,6 +32,8 @@ Status: ED
 Work Status: exploring
 Group: csswg
 ED: https://drafts.csswg.org/css-highlight-api-1/
+TR: https://www.w3.org/TR/css-highlight-api-1/
+Previous Version: https://www.w3.org/TR/2020/WD-css-highlight-api-1-20201022/
 Editor: Florian Rivoal, On behalf of Bloomberg, https://florian.rivoal.net/, w3cid 43241
 Editor: Sanket Joshi, Microsoft Corporation https://www.microsoft.com, https://github.com/sanketj
 Editor: Megan Gardner, Apple Inc. https://apple.com/
@@ -181,7 +183,7 @@ Creating Custom Highlights</h3>
 			<li>
 				Let |highlight| be the new {{Highlight}} object.
 			<li>
-				If {{name!!argument}} does not [=CSS/parse=] as an <<ident-token>>, then [=throw=] a {{"SyntaxError"}}. 
+				If {{name!!argument}} does not [=CSS/parse=] as an <<ident-token>>, then [=throw=] a {{"SyntaxError"}}.
 			<li>
 				Let |nameArg| be the result of [=converted to an ECMAScript value|converting=] {{name!!argument}} to an ECMAScript value.
 			<li>
@@ -367,7 +369,7 @@ Priority of Overlapping Highlights</h4>
 	Should authors be able to express a desired to be placed above/below
 	other named highlights,
 	and let the UA figure it out?
-	
+
 	Issue(4594): Should the built-in [=highlight pseudo-elements=]
 	be exposed as well,
 	so that they too can be reordered,
@@ -515,7 +517,7 @@ Range Updating and Invalidation</h3>
 
 <h2 id=events>
 Event Handling</h2>
-	
+
 	Issue: Section on Events TBD, based on https://github.com/MicrosoftEdge/MSEdgeExplainers/blob/master/highlight/events-explainer.md
 
 	Issue: should custom highlights have a dedicated event handling mechanism,