/**
  * @see PKPHandler::setupTemplate()
  * @param $request PKPKRequest
  */
 function setupTemplate($request)
 {
     $templateMgr = TemplateManager::getManager($request);
     $templateMgr->assign('oldUserId', (int) $request->getUserVar('oldUserId'));
     // for merging users.
     parent::setupTemplate($request);
 }