Index: src/Common/utility.h
===================================================================
--- src/Common/utility.h	(revision 7b13aebfc733744b3708b521e282b56a20d2d982)
+++ src/Common/utility.h	(revision e4d829bf54d5191b9e826c8c7fc40b7c7c7bc768)
@@ -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 >