diff -Nsr /var/tmp/difftest/a/1/tao /var/tmp/difftest/b/1/tao
1,14d0
< The Way that can be told of is not the eternal Way;
< The name that can be named is not the eternal name.
< The Nameless is the origin of Heaven and Earth;
< The named is the mother of all things.
< 
< Therefore let there always be non-being,
<   so we may see their subtlety,
< And let there always be being,
<   so we may see their result.
< The two are the same,
< But after they are produced,
<   they have different names.
< 
<   -- The Way of Lao-Tzu, tr. Wing-tsit Chan
Files /var/tmp/difftest/a/lao and /var/tmp/difftest/b/lao are identical
diff -Nsr /var/tmp/difftest/a/tzu /var/tmp/difftest/b/tzu
1,13d0
< The Nameless is the origin of Heaven and Earth;
< The named is the mother of all things.
< 
< Therefore let there always be non-being,
<   so we may see their subtlety,
< And let there always be being,
<   so we may see their outcome.
< The two are the same,
< But after they are produced,
<   they have different names.
< They both may be called deep and profound.
< Deeper and more profound,
< The door of all subtleties!