protected String getVal(Single term) {
      String rhs = term.getRhs();

      AttributeManager attrMgr = null;
      try {
        attrMgr = AttributeManager.getInstance();
      } catch (ServiceException e) {
        ZimbraLog.account.warn("failed to get AttributeManager instance", e);
      }

      IDNType idnType = AttributeManager.idnType(attrMgr, term.getLhs());
      rhs = IDNUtil.toAscii(rhs, idnType);

      return rhs;
    }
 protected String getVal(Single term) {
   // return LdapUtil.escapeSearchFilterArg(term.getRhs());
   return term.getRhs();
 }