Index: boost/spirit/home/qi/auxiliary/attr.hpp

===================================================================

--- boost/spirit/home/qi/auxiliary/attr.hpp (revision 69217)

+++ boost/spirit/home/qi/auxiliary/attr.hpp (revision 69218)

@@ -18,6 +18,7 @@

 #include <boost/spirit/home/qi/detail/assign_to.hpp>

 #include <boost/spirit/home/qi/meta_compiler.hpp>

 #include <boost/spirit/home/support/common_terminals.hpp>

+#include <boost/spirit/home/support/handles_container.hpp>

 #include <boost/type_traits/add_reference.hpp>

 #include <boost/type_traits/add_const.hpp>

 #include <boost/type_traits/remove_const.hpp>

@@ -96,6 +97,14 @@

     };

 }}}

+namespace boost { namespace spirit { namespace traits

+{

+    ///////////////////////////////////////////////////////////////////////////

+    template <typename T, typename Attr, typename Context, typename Iterator>

+    struct handles_container<qi::attr_parser<T>, Attr, Context, Iterator>

+      : traits::is_container<Attr> {}; 

+}}}

+

 #endif

Index: boost/spirit/home/qi/string/symbols.hpp

===================================================================

--- boost/spirit/home/qi/string/symbols.hpp (revision 70041)

+++ boost/spirit/home/qi/string/symbols.hpp (revision 70042)

@@ -398,6 +398,15 @@

     };

 }}}

+namespace boost { namespace spirit { namespace traits

+{

+    ///////////////////////////////////////////////////////////////////////////

+    template <typename Char, typename T, typename Lookup, typename Filter

+      , typename Attr, typename Context, typename Iterator>

+    struct handles_container<qi::symbols<Char, T, Lookup, Filter>, Attr, Context, Iterator>

+      : traits::is_container<Attr> {}; 

+}}}

+

 #if defined(BOOST_MSVC)

 # pragma warning(pop)

 #endif

​