Add missing note about Tim Song's P/R improvement

Author: Dani-Hub

xml/issue2310.xml

@@ -28,6 +28,11 @@ members too, or some other form should be used in <sref ref="[array.overview]"/>
 <note>Urbana 2014-11-07: Move to Open</note>
 <note>Kona 2015-10: Link to <iref ref="2516"/></note>
 <note>2015-11-14, Geoffrey Romer provides wording</note>
+
+<note>2016-02-04, Tim Song improves the P/R</note>
+<p>
+Instead of the build-in address-operator, <tt>std::addressof</tt> should be used.
+</p>
 </discussion>
 
 <resolution>