[css-syntax-3] Update Changes list

Author: tabatkins

css-syntax-3/Overview.bs

@@ -3755,6 +3755,9 @@ Changes from the 16 August 2019 Candidate Recommendation</h3>
 		and a corresponding <<style-block>> production,
 		and defined that [=style rules=] use it.
 
+	* Aligned [=parse a stylesheet=] with the Fetch-related shenanigans.
+		(<a href="https://github.com/w3c/csswg-drafts/commit/64becb59fe678760608a6f2a8d6bfb3a334500c9#diff-9d409f899ee6e2cc8cd87356d0e2a0ff739c5aa9663d83f49c951c379a38f1f6">commit</a>).
+
 	The following editorial changes were made:
 
 	* Switched to consistently refer to "ident sequence",
@@ -3764,6 +3767,10 @@ Changes from the 16 August 2019 Candidate Recommendation</h3>
 		and explicitly referred to them in the parsing entry points
 		(rather than relying on a blanket "do X at the start of these algorithms" statement).
 
+	* Added more entries to the "put a comment between them" table,
+		to properly handle the fact that idents can now start with <code>--</code>.
+		(<a href="https://github.com/w3c/csswg-drafts/pull/6874">6874</a>)
+
 	<a href="https://github.com/w3c/csswg-drafts/milestone/7?closed=1">A Disposition of Comments is available.</a>