title: diff command ignoring new file in the new directory
body: <p>I added a new file in "modified directory" (in 3rd sub level folder)  and when i try to generate the patch file using the following command it appears that diff command is ignoring the new file:</p>
  
  <pre><code>diff –ur "original directory" "modified directory" &gt; version1.patch
  </code></pre>
  
  <p>I appreciate your help..</p>