Hi,
Currently this is only possible by using the filter provided by the plugin to add the numbers, and a custom template which replaces the call $a_z_listing->the_letter_title();
but this requires knowledge of PHP programming. Specifically the filter: a-z-listing-alphabet
to add the numbers as a single group, and in the template replacing the call to $a_z_listing->the_letter_title()
with something like:
$title = $a_z_listing->get_the_letter_title();
if ( '0' === $title ) {
echo '0-9';
} else {
echo esc_html( $title );
}
I am working on an update to the shortcode that will include this functionality out of the box, without any additional programming by the site-owner. I still need to test it more before I’m happy to release it, but please know that it is in the pipeline :-).