[css-syntax] Update the Changes list.

Author: tabatkins

css-syntax/Overview.bs

@@ -3482,11 +3482,17 @@ Changes</h2>
 
 	<em>This section is non-normative.</em>
 
+
 <h3 id="changes-CR-20140220">
 Changes from the 20 February 2014 Candidate Recommendation</h3>
 
 	The following substantive changes were made:
 
+	* Removed <<unicode-range-token>>, in favor of creating a <<urange>> production.
+
+	* url() functions that contain a string are now parsed as normal <<function-token>>s.
+		url() functions that contain "raw" URLs are still specially parsed as <<url-token>>s.
+
 	* Fixed a bug in the "Consume a URL token" algorithm,
 		where it didn't consume the quote character starting a string before attempting to consume the string.
 
@@ -3505,6 +3511,11 @@ Changes from the 20 February 2014 Candidate Recommendation</h3>
 
 	* Minor editorial restructuring of algorithms.
 
+	* Added the [=CSS/parse=] API entry point.
+
+	* Added the <<declaration-value>> and <<any-value>> productions.
+
+
 <h3 id="changes-WD-20131105">
 Changes from the 5 November 2013 Last Call Working Draft</h3>