1--- t13.in Sat Jun 19 19:53:25 2004 2+++ t13.out Sat Jun 19 19:53:40 2004 3@@ -1,4 +1,4 @@ 4 A line of text 1 5 A line of text 2 6 A line of text 3 7-A line of text 4 8\ No newline at end of file 9+A line of text 4 10