code: static public function jump(\Base $f3, $params) {
  		$target = $f3->get('GET.target');
  		// trigger jump event
  		if ($f3->exists('mailer.on.jump',$jump_handler))
  			$f3->call($jump_handler,array($target,$params));
  		$f3->reroute(urldecode($target));
  	}
docs: track clicked link and reroute
  @param Base $f3