   </tr>
    <tr id="tg-grammar-production-UCHAR">
      <td>[27]</td>
      <td><code>UCHAR</code></td>
      <td>::=</td>
      <td><code>(</code> &quot;\u&quot; <a href="#tg-grammar-production-HEX">HEX</a> <a href="#tg-grammar-production-HEX">HEX</a> <a href="#tg-grammar-production-HEX">HEX</a> <a href="#tg-grammar-production-HEX">HEX</a><code>)</code>  <code>|</code> <code>(</code> &quot;\U&quot; <a href="#tg-grammar-production-HEX">HEX</a> <a href="#tg-grammar-production-HEX">HEX</a> <a href="#tg-gramm