title: Changed files are not modified?
body: <p>I have checked out a directory from my local SVN: server. After changing some file I want to commit the changes. Here I get the problem:</p>
  
  <ul>
  <li>In TortoiseSVN the files are marked as changed (red icon).</li>
  <li>TortoiseSVN commit says 'No file were changed or added...'</li>
  <li>TotoiseSVN update changes nothing.</li>
  <li><code>svn stat</code> does not list the files as modified.</li>
  <li><code>svn cat</code> shows an obviously diffent content than the file in working copy</li>
  <li><code>svn diff</code> does not show any difference</li>
  <li><code>svn update</code> tells me <code>At revision 156.</code></li>
  <li>TortoiseSVN repo browser shows that the file in repository is at revision 153.</li>
  </ul>
  
  <p><code>svn stat hello.js</code> shows this:</p>
  
  <pre><code>Path: hello.js
  Name: hello.js
  URL: svn:///Projects/Sample/hello.js
  Repository Root: svn:///Projects
  Repository UUID: 2e99062c-3216-5d44-9338-d29899e4dc4b
  Revision: 156
  Node Kind: file
  Schedule: normal
  Last Changed Rev: 153
  Last Changed Date: 2011-06-13 10:45:42 +0200 (Mon, 13 Jun 2011)
  Text Last Updated: 2011-06-13 09:54:07 +0200 (Mon, 13 Jun 2011)
  Checksum: 4fed4d6472b30096cd00f8e1229ff833
  </code></pre>
  
  <p>The Last Updated date is identical with the file date in working copy.</p>
  
  <p>How do I convince SVN to commit the changes?</p>