are following elements in table <span class="hljs-string">"myTable"</span>:
  |<span class="hljs-string"> id  </span>|<span class="hljs-string"> firstName </span>|<span class="hljs-string"> lastName </span>|
  |<span class="hljs-string"> t:1 </span>|<span class="hljs-string"> t:Adam    </span>|<span class="hljs-string"> t:Doe    </span>|
  |<span class="hljs-string"> t:2 </span>|<span class="hljs-string"> t:John    </span>|<span class="hljs-string"> t:Doe    </span>|
</code></pre>
<p>First row must specify 