">             <td class="docs">               <div class="pilwrap">                 <a class="pilcrow" href="#section-7">&#182;</a>               </div>               <p>specification fields:
 minutes = num minutes called since last bill()
 freemin = number of free minutes per calling period.
 rate = charge of nonfree calls per minute</p>             </td>             <td class="code">               <div class="highlight"><pre><span class="nl">public:</span>
    <span class="n">CheapAccount</span> <span cl