cond variant accepts a null 
  terminated string. The last argument is a parser <tt>p</tt> which will be used 
  to parse the input.</p>
<p><b>Phrase level parsing</b></p>
<pre><code><font color="#000000"><span class=special>    </span><span class=keyword>template </span><span class=special>&lt;</span><span class=keyword>typename </span><span class=identifier>IteratorT</span><span class=special>, </span><span class=keyword>typename </span><span class=identifier>ParserT</span><span class=special>, </span><sp