Index: boost/move/core.hpp
===================================================================
--- boost/move/core.hpp	(revision 6599)
+++ boost/move/core.hpp	(revision 6600)
@@ -50,6 +50,19 @@
       void operator=(rv const&);
    } BOOST_MOVE_ATTRIBUTE_MAY_ALIAS;
 
+   //////////////////////////////////////////////////////////////////////////////
+   //
+   //                            struct rv_wrapper
+   //
+   //////////////////////////////////////////////////////////////////////////////
+   template <class T>
+   class rv_wrapper
+   {
+     ::boost::rv<T>& ref_;
+      public:
+         rv_wrapper(::boost::rv<T>& iref) : ref_(iref) {}
+         operator ::boost::rv<T>& () { return ref_; }
+   };
 
    //////////////////////////////////////////////////////////////////////////////
    //
@@ -118,6 +131,9 @@
       >& \
    //
 
+   #define BOOST_RV_REF_WRAPPER(TYPE)\
+      ::boost::rv_wrapper< TYPE >
+
    #define BOOST_FWD_REF(TYPE)\
       const TYPE & \
    //
@@ -269,6 +285,14 @@
       const TYPE & \
    //
 
+   //!This macro is used to achieve portable syntax in move
+   //!constructors and assignments for classes marked as
+   //!BOOST_COPYABLE_AND_MOVABLE or BOOST_MOVABLE_BUT_NOT_COPYABLE
+   //!It should be used in order to avoid implicit conversion of a
+   //!type into boost::rv<type>.
+   #define BOOST_RV_REF_WRAPPER(TYPE)\
+      BOOST_RV_REF( TYPE )
+
    //! This macro is used to implement portable perfect forwarding
    //! as explained in the documentation.
    #define BOOST_FWD_REF(TYPE)\