Allow line breaks and spans in widget title

gistfile1.txt

/**Allow line breaks and spans in widget title*/
add_filter('widget_title','my_widget_title',10,3);
function my_widget_title($title)
{
$title = str_replace("[br]", "<br/>", $title);
$title = str_replace("[sp]", "<span>", $title);
$title = str_replace("[/sp]", "</span>", $title);
return $title;
}