m></span> is the main parser entry point. <span class="emphasis"><em>skipper</em></span>
          can be an <code class="computeroutput"><span class="identifier">unused_type</span></code>.
          It's a type used every where in <a href="http://boost-spirit.com" target="_top">Spirit</a>
          to signify "don't-care". There is an overload for <span class="emphasis"><em>skip</em></span>
          for <code class="computeroutput"><span class="identifier">unused_type</span></code> that is
          simpl