<csstest def="Attribute existence selector" module="W3C Selectors" modulename="css3-modsel" number="5" rev="1.0" date="11-july-2001" xmlns:a="http://www.example.org/a" xmlns:b="http://www.example.org/b" xmlns="http://www.example.org/css3tests">

<author>Daniel Glazman</author>
<cssrules>p { background-color : red }
p[title] { background-color : lime }</cssrules>

<code>
<p title="title" xmlns="http://www.w3.org/1999/xhtml">This paragraph should have a green background because its TITLE
      attribute is set.</p>
</code>

</csstest>