2004-11-18  Paolo Carlini  <pcarlini@suse.de>

	DR 434. bitset::to_string() hard to use [Ready]
	* include/std/std_bitset.h (to_string): Add three overloads, taking
	fewer template arguments.
	* docs/html/ext/howto.html: Add an entry for DR 434.
	* testsuite/23_containers/bitset/to_string/1.cc: New.

From-SVN: r90854