in. Non-<a href="syntax.html#void-element" id="void-element_xref1">void</a> elements have an
      <a href="syntax.html#syntax-end-tags" id="syntax-end-tags_xref3">end tag</a>
      to
      indicate where they end.</li>
      <li>
<dfn id="tag-name" title="syntax-tag-name">tag names</dfn>
      are used within element start tags and end tags to 
      give the element&#8217;s name.
      <a href="elements.html#html-elements">HTML elements</a>
      all have names that only use characters in the range
     