an><span class="special">,</span> 
                        <span class="keyword">const</span> <span class="identifier">info_writer_settings</span><span class="special">&lt;</span> <span class="identifier">Ch</span> <span class="special">&gt;</span> <span class="special">&amp;</span> <span class="special">=</span> <span class="identifier">info_writer_settings</span><span class="special">&lt;</span> <span class="identifier">Ch</span> <span class="special">&gt;</span><span class="special">(</span><span class="