diff -ru a/README b/README --- a/README 2013-02-22 20:26:43.000000000 +0800 +++ b/README 2013-02-22 20:27:51.000000000 +0800 @@ -1,6 +1,6 @@ 1 # To generate expected output, chdir to a subdir and use following co> 1 # To generate expected output, cd to a subdir and use following comma> 2 # review with `less -R` 2 # review with `less -R` 3 #   4 ../../cdiff.py -c always in.diff > out.normal  3 ../../cdiff.py -c always in.diff > out.normal  5 ../../cdiff.py -c always -s in.diff > out.side-by-side 4 ../../cdiff.py -c always -s in.diff > out.side-by-side 6 ../../cdiff.py -c always -s in.diff -w70 > out.w70 5 ../../cdiff.py -c always -s in.diff -w70 > out.w70   6 # EOF Only in a: a1 Only in b: b1 diff -ru a/common/foo.txt b/common/foo.txt --- a/common/foo.txt 2013-02-22 20:28:32.000000000 +0800 +++ b/common/foo.txt 2013-02-22 20:30:18.000000000 +0800 @@ -1 +1 @@ 1 Hello 1 world Only in b: date.txt Only in a: time.txt