<csstest def="Substring matching attribute value selector on beginning with declared namespace" module="W3C Selectors" modulename="css3-modsel" number="101" rev="1.1" date="13-november-2001" xmlns:a="http://www.example.org/a" xmlns:b="http://www.example.org/b" xmlns:html="http://www.w3.org/1999/xhtml" xmlns="http://www.example.org/css3tests">

<author>Daniel Glazman</author>
<author>Ian Hickson</author>

<cssrules>@namespace a url(http://www.example.org/a);
@namespace b url(http://www.example.org/b);
@namespace html url(http://www.w3.org/1999/xhtml);
*|p, *|q, *|r, *|s { display : block ; margin-bottom : 1em }
*|p, *|r { background-color : red }
*|*[a|title^="si on"], *|*[title^="si on"] { background-color : lime }
</cssrules>

<code>
<p title="si on chantait" xmlns="http://www.w3.org/1999/xhtml">This paragraph should have a green background.</p>
<q a:title="et si on chantait" xmlns="http://www.example.org/a">This paragraph should be unstyled.</q>
<r a:title="si on chantait" xmlns="http://www.example.org/a">This paragraph should have a green background.</r>
<s b:title="si on chantait" xmlns="http://www.example.org/b">This paragraph should be unstyled.</s>
</code>
</csstest>