title: SVN Diff error -- isn;t in the same repository
body: <p>We had ecently migrated our SVN repo to a new locaion. I want to check if the migration is done correctly. When I try</p>
  
  <pre><code>svn diff --old=OLD_URL --new=NEW_URL
  </code></pre>
  
  <p>I am getting the following error</p>
  
  <pre><code>OLD_URL isn't in the same repository as the NEW_URL
  </code></pre>
  
  <p>Please  help!!</p>