ref: a5a475be2a9d72c7e60bcc6f5b013ca655384d7a dir: /sys/src/cmd/diff/test/diff-t13.expected/
--- diff-t13.l +++ diff-t13.r @@ -1,11 +1,9 @@ A line of text -. Another line of text .. +. A third line ... -A fourth line -. +.. We keep counting -. .