2004-12-06  Paolo Carlini  <pcarlini@suse.de>

	* include/tr1/type_traits: Implement is_reference.
	* testsuite/tr1/4_metaprogramming/primary_type_categories/
	is_reference/is_reference.cc: New.
	* testsuite/tr1/4_metaprogramming/primary_type_categories/
	is_reference/typedefs.cc: Likewise.

From-SVN: r91779