2004-08-13  Paolo Carlini  <pcarlini@suse.de>

	* include/std/std_fstream.h (class basic_ifstream,
	class basic_ofstream, class basic_fstream): Add const overloads
	of is_open, as per DR 365 [WP].
	* docs/html/ext/howto.html: Add an entry for DR 365.

From-SVN: r85948