Adapted test case

test/test-data/test.html

@@ -160,12 +160,12 @@ <h2 id="11-first-subsection"><a id="Firstsubsection" href="#Firstsubsection">1.1
 <p>Test document</p>
 <p>Example <a id="ref" href="#ref">1</a>: <a href="#Firstsubsection">Section 1.1</a> contains <a href="#ref">example 1</a>.</p>
 <div class="sourceCode" id="cb1"><pre class="sourceCode js"><code class="sourceCode javascript"><span id="cb1-1"><a href="#cb1-1" aria-hidden="true" tabindex="-1"></a><span class="st">&quot;Source code&quot;</span></span></code></pre></div>
-<h3 id="matrix"><a id="Matrix.1" href="#Matrix.1">Matrix</a></h3>
+<h3><a id="Matrix.1" href="#Matrix.1">Matrix</a></h3>
 <p><span class="math display">\[\matrix{
 {\tt concat}(T,\hfill&amp;\tt (1)\\
 \quad{\tt aggregate}(α{\tt\ as\ }D))\hfill&amp;\tt (2)
 }\]</span></p>
-<h3 id="table"><a id="Table.1.1" href="#Table.1.1">Table</a></h3>
+<h3><a id="Table.1.1" href="#Table.1.1">Table</a></h3>
 <table>
 <thead>
 <tr class="header">