td>
      <td><a href="#tg-grammar-production-PN_CHARS_BASE">PN_CHARS_BASE</a> <code>(</code> <code>(</code> <a href="#tg-grammar-production-PN_CHARS">PN_CHARS</a> <code>|</code> "<code class="grammar-literal">.</code>"<code>)</code> <code>*</code>  <a href="#tg-grammar-production-PN_CHARS">PN_CHARS</a><code>)</code> <code>?</code> </td>
    </tr>
    <tr id="tg-grammar-production-PN_LOCAL">
      <td>[168s]</td>
      <td><code>PN_LOCAL</code></td>
      <td>::=</td>
      <td><code>(</code> <a href="#tg-g