fs13', 37)" class="id">math</span><span class="o">?</span><span onmouseout="hideTip(event, 'fs16', 38)" onmouseover="showTip(event, 'fs16', 38)" class="id">sin</span>
  <span onmouseout="hideTip(event, 'fs16', 39)" onmouseover="showTip(event, 'fs16', 39)" class="fn">sin</span> <span class="n">5</span> <span class="o">|&gt;</span> <span onmouseout="hideTip(event, 'fs15', 40)" onmouseover="showTip(event, 'fs15', 40)" class="fn">printfn</span> 
  <span class="id">math</span><span class="o">?</span><span onmous