-literal">-</code><code class="grammar-char-escape"><abbr title="unicode 'Graphic'">#x036F</abbr></code><code>]</code>  <code>|</code> <code>[</code> <code class="grammar-char-escape"><abbr title="unicode 'Graphic'">#x203F</abbr></code><code class="grammar-literal">-</code><code class="grammar-char-escape"><abbr title="unicode 'Graphic'">#x2040</abbr></code><code>]</code> </td>
    </tr>
    <tr id="tg-grammar-production-PN_PREFIX">
      <td>[167s]</td>
      <td><code>PN_PREFIX</code></td>
      <td>::=</