hanges if they wish (see the section <a href=
        "system_admin.html#svn_watch">Watching changes in log messages</a> for
        details).</li>
      </ul>
    </li>
  </ul>

  <p>There are two possible approaches to recording the changes to individual
  files:</p>

  <dl>
    <dt>Maintain history entries in file headers</dt>

    <dd>
      <p><dfn>Pros:</dfn> You don't need access to the Subversion repository in
      order to be able to view a files change history (e.g. external
      collaborators).