LX</a><code>)</code> <code>*</code>  <code>(</code> <a href="#tg-grammar-production-PN_CHARS">PN_CHARS</a> <code>|</code> "<code class="grammar-literal">:</code>" <code>|</code> <a href="#tg-grammar-production-PLX">PLX</a><code>)</code> <code>)</code> <code>?</code> </td>
    </tr>
    <tr id="tg-grammar-production-PLX">
      <td>[169s]</td>
      <td><code>PLX</code></td>
      <td>::=</td>
      <td><a href="#tg-grammar-production-PERCENT">PERCENT</a> <code>|</code> <a href="#tg-grammar-production-PN_LOC