 <code>error</code> is returned, an error message is 
displayed to the Admin, however the item will already be irreversibly merged.</p>
<div class="codehilite"><pre><span></span><span class="kd">func</span> <span class="p">(</span><span class="nx">p</span> <span class="o">*</span><span class="nx">Post</span><span class="p">)</span> <span class="nx">AfterApprove</span><span class="p">(</span><span class="nx">res</span> <span class="nx">http</span><span class="p">.</span><span class="nx">ResponseWriter</span>