2007-08-02  Paolo Carlini  <pcarlini@suse.de>

	DR 660, [Ready] in Toronto.
	* include/bits/stl_function.h (bit_and, bit_or, bit_xor): Add.
	* testsuite/20_util/function_objects/dr660.cc: New.
	* docs/html/ext/howto.html: Add an entry for DR 660, update.

	* docs/html/ext/lwg-closed.html, docs/html/ext/lwg-active.html,
	docs/html/ext/lwg-defects.html: Import Revision 49.

From-SVN: r127166