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+<!--
+  HTML Syntax Test File
+  Maintainer: Doug Kearns <dougkearns@gmail.com>
+  Last Change: 2023 Nov 28
+-->
+
+<!-- HTML Elements -->
+<a>
+<abbr>
+<address>
+<area>
+<article>
+<aside>
+<audio>
+<b>...</b>
+<base>
+<bdi>
+<bdo>
+<blockquote>
+<body>
+<br>
+<button>
+<canvas>
+<caption>
+<cite>
+<code>
+<col>
+<colgroup>
+<data>
+<datalist>
+<dd>
+<del>...</del>
+<details>
+<dfn>
+<dialog>
+<div>
+<dl>
+<dt>
+<em>...</em>
+<embed>
+<fieldset>
+<figcaption>
+<figure>
+<footer>
+<form>
+<h1>...</h1>
+<h2>...</h2>
+<h3>...</h3>
+<h4>...</h4>
+<h5>...</h5>
+<h6>...</h6>
+<head>...</head>
+<header>
+<hgroup>
+<hr>
+<html>
+<i>...</i>
+<iframe>
+<img>
+<input>
+<ins>
+<kbd>
+<label>
+<legend>
+<li>
+<link>
+<main>
+<map>
+<mark>
+<menu>
+<meta>
+<meter>
+<nav>
+<noscript>
+<object>
+<ol>
+<optgroup>
+<option>
+<output>
+<p>
+<picture>
+<pre>...</pre>
+<progress>
+<q>
+<rp>
+<rt>
+<ruby>
+<s>...</s>
+<samp>
+<script>...</script>
+<search>
+<section>
+<select>
+<slot>
+<small>
+<source>
+<span>
+<strong>...</strong>
+<style>...</style>
+<sub>
+<summary>
+<sup>
+<table>
+<tbody>
+<td>
+<template>
+<textarea>
+<tfoot>
+<th>
+<thead>
+<time>
+<title>...</title>
+<tr>
+<track>
+<u>...</u>
+<ul>
+<var>
+<video>
+<wbr>
+<xmp>
+
+<!-- Deprecated Elements -->
+<acronym>
+<big>
+<center>
+<dir>
+<font>
+<frame>
+<frameset>
+<marquee>
+<menuitem>
+<nobr>
+<noframes>
+<param>
+<rb>
+<rtc>
+<strike>...</strike>
+<tt>
+
+<!-- Note: these deprecated elements have never been matched -->
+<image>
+<noembed>
+<plaintext>
+
+<!-- Experimental -->
+<portal>