id	summary	reporter	owner	description	type	status	priority	milestone	component	version	resolution	keywords	cc	difficulty
1158	aand in the anaphora egg returns an unspecified value when one of the argument is #f	Kooda	juergen	The correct behaviour would be the one of the standard and: returning #f	defect	closed	minor	someday	extensions	4.9.x	fixed