2003-01-04  Paolo Carlini <pcarlini@unitus.it>

	PR libstdc++/9168
	* src/codecvt.cc
	(codecvt<char, char, mbstate_t>::do_in, do_out):
	Implement the resolution of DR19 (TC).
	* testsuite/22_locale/codecvt_members_char_char.cc
	(test01): Tweak.