<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<input type="checkbox" checked="checked" />
<input type="checkbox" checked="checked" />
<input type="checkbox" />
<input type="checkbox" checked="true" />
<input type="checkbox" checked="false" />
<input checked="checked" type="checkbox" />
<input type="checkbox" />
<input checked="true" type="checkbox" />
<input checked="false" type="checkbox" />
<input type="checkbox" checked="checked" />
<input type="checkbox" />
<input type="checkbox" checked="true" />
<input type="checkbox" checked="false" />
