title: Automatic authentication with Subversion
body: <p>I have an SVN server I connect to with <code>ssh+svn</code>. When checking out a particular directory containing a lot of <code>svn:external</code> repositories, I have to enter my password numerous times.</p>
  
  <ol>
  <li>How do I set up my Subversion client to automatically authenticate?</li>
  <li>Where is the documentation for this?</li>
  </ol>