nt number.
    </p>
    <pre><code><font color="#000000">    </font></code><span class="identifier">real_p</span>
</pre>
<p>
      (You've got to admit, that's trivial!) The above code actually generates
      a Spirit <tt>real_parser</tt> (a built-in parser) which parses a floating
      point number. Take note that parsers that are meant to be used directly
      by the user end with "<tt>_p</tt>" in their names as a Spirit convention.
      Spirit has many pre-defined parsers and consistent naming conven