Implement DR 396 [Ready].

Implement DR 396 [Ready].

2008-09-23  Paolo Carlini  <paolo.carlini@oracle.com>

	Implement DR 396 [Ready].
	* include/std/bitset (bitset<>::bitset(const std::basic_string<>&,
	size_t, size_t, _CharT, _CharT), bitset<>::bitset(const char*,
	char, char), bitset<>::to_string(_CharT, _CharT),
	bitset<>::_M_copy_from_string(const std::basic_string<>&, size_t,
	size_t, _CharT, _CharT), bitset<>::_M_copy_to_string
	(std::basic_string<>&, _CharT, _CharT), bitset<>::_M_copy_from_ptr(
	const _CharT*, size_t, size_t, size_t, _CharT, _CharT)): Add.
	(operator>>(std::basic_istream<>&, bitset<_Nb>&), operator<<(
	std::basic_ostream<>&, const bitset<_Nb>&)): Adjust.
	* include/debug/bitset (bitset<>::bitset(const std::basic_string<>&,
	size_t, size_t, _CharT, _CharT), bitset<>::bitset(const char*,
	char, char), bitset<>::to_string(_CharT, _CharT)): Add.
	* doc/xml/manual/intro.xml: Add an entry for DR 396.
	* testsuite/23_containers/bitset/cons/dr396.cc: Add.
	* testsuite/23_containers/bitset/to_string/dr396.cc: Likewise.

From-SVN: r140607