it: diff good bad

diff:
	@echo '****' 2vitor: first, the difference between the inputs:
	-diff inputa.txt inputb.txt

good:
	@echo '****' 2vitor: now, the good input
	yap-6 -f none < inputa.txt

bad:
	@echo '****' 2vitor: and now the bad input, there is only one additional line
	yap-6 -f none < inputb.txt

tar:
	( cd .. && tar cf item133.tar item133 )