title: When does TortoiseSVN keyword substitution occur?
body: <p>When does keyword substitution occur?
  How to set</p>
  
  <p>I set <code>svn:keywords</code> property</p>
  
  <p>I put these lines in 1.txt and committed it.</p>
  
  <pre><code>$Revision$
  $Author$
  </code></pre>