word_diff --word-diff=plain
'
+test_expect_success 'word-diff with no newline at EOF' '
+ cat >expect <<-\EOF &&
+ diff --git a/pre b/post
+ index 7bf316e..3dd0303 100644
+ --- a/pre
+ +++ b/post
+ @@ -1 +1 @@
+ a a [-a-]{+ab+} a a
+ EOF
+ printf "%s" "a a a a a" >pre &&
+ printf "%s" "a a ab a a" >post &&
+ word_diff --word-diff=plain
+'
+
test_done