[css-display] Update Changes list, link to issue thread on box-suppress:hide

Author: fantasai

css-display/Overview.bs

@@ -586,9 +586,8 @@ Toggling Box Generation: the 'box-suppress' property</h2>
 			must work as normal on this element and its descendants.
 
 			Issue: This needs more clarity about what "layout-related" and "participates in layout" means.
-			Does the box still generate anonymous boxes, etc.?
-
-			Issue: How does this affect speech?  Is that "layout"?
+			Does the box still generate anonymous boxes, etc.? How does it affect speech?
+			See <a href="https://lists.w3.org/Archives/Public/www-style/2015Jun/0346.html">proposal</a>.
 	</dl>
 
 	Issue: We welcome better naming suggestions on this property.
@@ -808,16 +807,12 @@ Acknowledgments</h2>
 <h2 class=no-num id="changes">
 Changes</h2>
 
-	Changes since the <a href="http://www.w3.org/TR/2014/WD-css-display-3-20140220/">20 Feburary 2014 Working Draft</a> include:
+	Changes since the <a href="http://www.w3.org/TR/2014/WD-css-display-3-20140911/">11 September 2014 Working Draft</a> include:
 
 	<ul>
 		<li>Removed <css>display-inside</css>, <css>display-outside</css>, and <css>display-extras</css>,
 			in favor of just making 'display' multi-value.
-		<li>Renamed <css>display-box</css> to 'box-suppress'.
-		<li>Moved the ''contents'' value from 'box-suppress' to 'display'.
-		<li>Added ''hide'' value to 'box-suppress'.
-		<li>Added <a>blockification</a> and <a>inlinification</a> rules.
-		<li>Added ''display: run-in'' and defined its layout in [[#run-in]].
-		<li>Various editorial improvements.
-		<li>Added [[#glossary]], incorporating key CSS2.1 terms.
+			(This was done to impose constraints on what can be combined.
+			Future levels of this specification may relax some or all of those restrictions
+			if they become unnecessary or unwanted.)
 	</ul>