same( jQuery('#unwrap > span').get(), abcd, 'all four spans should still exist' );
same( jQuery('#unwrap3 span').unwrap().get(), jQuery('#unwrap3 > span').get(), 'make all b in #unwrap3 go away' );
same( jQuery('#unwrap > span').get(), abcd, 'all four spans should still exist' );
same( jQuery('#unwrap3 span').unwrap().get(), jQuery('#unwrap3 > span').get(), 'make all b in #unwrap3 go away' );