(
	cat foo ; ?!AMP?! echo bar ?!AMP?!
	cat foo ; ?!AMP?! echo bar
) &&
(
	cat foo ; ?!AMP?! echo bar &&
	cat foo ; ?!AMP?! echo bar
) &&
(
	echo "foo; bar" &&
	cat foo; ?!AMP?! echo bar
) &&
(
	foo;
) &&
(
cd foo &&
	for i in a b c; do
		echo;
	done)