Sidebar navigation is echoing invalid HTML whenever a title is set via hooks.

Hi,

Thank you for your reply.
Unfortunately, I cannot provide you access, the site is hosted in a corporate intranet environment.

You can follow the logical error I am having, if you look into the avia_sidebar_menu function in functions-enfold.php.
I could override the function in a child theme and have it do what I am expecting it to do, but this is a workaround.
Since the function exposes a filter to manipulate arguments (avia_sidebar_menu_args) which are then passed into a WordPress function, it should also respect/consider the functionality of that WordPress function.

A workaround on the issue for me is to use a regex on the sidebar html before rendering it and remove the invalid html tags, but this is still a workaround.

Example: The code below will produce invalid HTML since it is setting the title_li argument which wp_list_pages will wrap in a ul.

add_filter('avia_sidebar_menu_args', 'useParentPageAsTitleInSidebarMenu', 11);
function useParentPageAsTitleInSidebarMenu($args, $post){
    $title = get_the_title($args['child_of']);
    $args['title_li'] = sprintf('<h3>%1$s</h3>', $title);
    return $args;
}