code: def _RedirectToRemoteHelp(self, path):
      
      allowed_chars = set(string.ascii_letters + string.digits + "._-/")
      if not set(path) <= allowed_chars:
        raise RuntimeError("Unusual chars in path %r - "
                           "possible exploit attempt." % path)
  
      target_path = os.path.join(config.CONFIG["AdminUI.docs_location"], path)
  
      # We have to redirect via JavaScript to have access to and to preserve the
      # URL hash. We don't know the hash part of the url on the server.
      return werkzeug_wrappers.Response(
          """
  <script>
  var friendly_hash = window.location.hash;
  window.location = '%s' + friendly_hash;
  </script>
  """ % target_path,
          mimetype="text/html")
docs: Redirect to GitHub-hosted documentation.