</span><span class="normal">              </span><span class="symbol">(</span><span class="usertype">gpointer</span><span class="normal">          instance</span><span class="symbol">,</span> <span class="normal">                           </span><span class="keyword">const</span><span class="normal"> </span><span class="usertype">gchar</span><span class="normal">     </span><span class="symbol">*</span><span class="normal">detailed_signal</span><span class="symbol">,</span> <span class="normal">                           </span><span class="usertype">GC