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 @@
-# To generate expected output, chdir to a subdir and use following command, then
+# To generate expected output, cd to a subdir and use following command, then
 # review with `less -R`
-#
 ../../cdiff.py -c always in.diff > out.normal 
 ../../cdiff.py -c always -s in.diff > out.side-by-side
 ../../cdiff.py -c always -s in.diff -w70 > out.w70
+# 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 @@
-Hello
+world
Only in b: date.txt
Only in a: time.txt