Index: src/Common/utility.h
===================================================================
--- src/Common/utility.h	(revision 2a7b3ca400fe85559a7ebbd5d3b09859d5dfc4da)
+++ src/Common/utility.h	(revision bb1cd95b1669c150547e9c6ca1c0ac29ffadf57a)
@@ -305,5 +305,5 @@
 // for ( val : group_iterate( container1, container2, ... ) ) {}
 // syntax to have a for each that iterates multiple containers of the same length
-// TODO: update to use variadic arguments
+// TODO: update to use variadic arguments, perfect forwarding
 
 template< typename T1, typename T2 >