 separated C/C++ strings, which 
  can be easily formulated as:</p>
<pre><span class=special>    </span><span class=identifier>rule</span><span class=special>&lt;&gt; </span><span class=identifier>list_of_c_strings_rule
        </span><span class=special>=   </span><span class=identifier>list_p</span><span class=special>(</span><span class=identifier>confix_p</span><span class=special>(</span><span class=literal>'\"'</span><span class=special>, </span><span class=special>*</span><span class=identifier>c_esc