<area>
<base>
<basefont>
<br>
<col>
<frame>
<hr>
<img>
<input>
<isindex>
<link>
<meta>
<param>
<embed>

<area/>
<base/>
<basefont/>
<br/>
<col/>
<frame/>
<hr/>
<img/>
<input/>
<isindex/>
<link/>
<meta/>
<param/>
<embed/>