ml" class="external-link">stem</a></span><span class="op">(</span><span class="va">Mercury</span><span class="op">$</span><span class="va">mercury</span><span class="op">)</span></span></span>
<span class="r-out co"><span class="r-pr">#&gt;</span> </span>
<span class="r-out co"><span class="r-pr">#&gt;</span>   The decimal point is at the |</span>
<span class="r-out co"><span class="r-pr">#&gt;</span> </span>
<span class="r-out co"><span class="r-pr">#&gt;</span>   1 | 4</span>
<span class="r-out co"><span 