public function after_render(&$template, &$content)
 {
     parent::after_render($template, $content);
     /*
      * Erase selected containers, if they're empty.
      */
     $template = preg_replace('/<aside id="sidebar" class="secondary-content">(\\s*)<\\/aside>/m', '', $template);
     $template = preg_replace('/<nav id="intercode">(\\s*)<\\/nav>/m', '', $template);
     $template = preg_replace('/<nav id="breadcrumbs">(\\s*)<\\/nav>/m', '', $template);
     /*
      * Erase any unpopulated tokens that remain in our template.
      */
     $template = preg_replace('/{{[0-9a-z_]+}}/', '', $template);
 }