[css-images-3] Mention renaming issue. Fix anchors.

Author: fantasai

css-images-3/Overview.bs

@@ -1162,7 +1162,7 @@ Object-Sizing Terminology {#sizing-terms}
 	to make it easier to refer to various concepts:
 
 	<dl export>
-		<dt><dfn>natural dimension</dfn>
+		<dt oldids="intrinsic-dimensions,intrinsic-width,intrinsic-height,intrinsic-aspect-ratio"><dfn>natural dimension</dfn>
 		<dd>
 			The term [=natural dimensions=] refers to the set of
 			the <dfn>natural height</dfn>,
@@ -1876,9 +1876,9 @@ Thanks to the Webkit team, Brad Kemper, Brian Manthos, and Alan Gresley
 Changes</h2>
 
 <h3 id="changes-20191010">
-Changes Since the <a href="https://www.w3.org/TR/2019/CR-css-images-3-20191010/">10 Oct 2019 Candidate Recommendation</a></h3>
+Changes Since the <a href="https://www.w3.org/TR/2019/CR-css-images-3-20191010/">10 October 2019 Candidate Recommendation</a></h3>
 
-	Major changes include:
+	Significant changes since the <a href="https://www.w3.org/TR/2019/CR-css-images-3-20191010/">10 October 2019 CR</a>:
 
 	* Define handling of degenerate aspect ratios
 		(<a href="https://github.com/w3c/csswg-drafts/issues/4572">Issue 4572</a>)
@@ -1894,6 +1894,8 @@ Changes Since the <a href="https://www.w3.org/TR/2019/CR-css-images-3-20191010/"
 		wpt/css/css-images/image-orientation/image-orientation-cursor.html
 		wpt/css/css-images/image-orientation/image-orientation-list-style-image.html
 		-->
+	* Rename “intrinsic dimensions” to [=natural dimensions=] to avoid confusion with [=intrinsic sizes=].
+		(<a href="https://github.com/w3c/csswg-drafts/issues/4961">Issue 4961</a>)
 
 <h3 id="changes-20120407">
 Changes Since the <a href="https://www.w3.org/TR/2012/CR-css3-images-20120417/">17 April 2012 Candidate Recommendation</a></h3>