[css-images-3] More Changes list, and add DoC link.

Author: tabatkins

css-images-3/Overview.bs

@@ -1795,11 +1795,12 @@ Changes Since the <a href="https://www.w3.org/TR/2012/CR-css3-images-20120417/">
 	Major changes include:
 
 	- The <css>image()</css> notation has been deferred to Level 4.
-	- The <css>image-resolution</css> property has been deferred to Level 4
+	- The <css>image-resolution</css> property has been deferred to Level 4.
 	- The 'image-orientation' property has been marked as At-Risk. Additionally:
 		- Added the ''from-image'' and ''image-orientation/none'' keywords
 		- Deprecated the <<angle>> values
 		- Added and deprecated the <css>flip</css> values
+		- <a href="https://github.com/w3c/csswg-drafts/issues/1206">Swapped to "mod then round" ordering.</a>
 	- Added the 'image-rendering' property.
 	- Moved the <<resolution>> type to [[css-values-3]].
 	- Better defined the handling of invalid and partially-loaded images.
@@ -1813,6 +1814,8 @@ Changes Since the <a href="https://www.w3.org/TR/2012/CR-css3-images-20120417/">
 	- Defined interpolation and serialization of <<image>> values.
 	- Various minor clarifications.
 
+	A <a href="https://drafts.csswg.org/issues?spec=css-images-3&doc=cr-2012">Disposition of Comments</a> is available.
+
 
 <h3 class=no-num id=changes-last-call>
 Changes Since Last Call</h3>