2005-08-29  Paolo Carlini  <pcarlini@suse.de>

	PR libstdc++/23578 (DR 464 [Ready])
	* include/bits/stl_map.h (class map): Add at(const key_type&)
	member functions.
	* include/bits/stl_vector.h (class vector): Add data() member
	functions.
	* include/debug/map.h (class map): Adjust consistently.
	* include/debug/vector (class vector): Likewise.
	* testsuite/23_containers/map/element_access/1.cc: New.
	* testsuite/23_containers/vector/data_access/1.cc: Likewise.
	* docs/html/ext/howto.html: Add an entry for DR 464.

From-SVN: r103609