gistfile1.txt

// Change 'genesis_html5_comment_callback' to 'gtcn_basic_callback' provided by Greg's Threaded Comment Numbering plugin for numbering commnets
add_filter( 'genesis_comment_list_args', 'sk_add_numbered_comments' );
function sk_add_numbered_comments( $defaults ) {

	if ( function_exists( 'gtcn_basic_callback' ) ) {
		$defaults['callback'] = genesis_html5() ? 'gtcn_basic_callback' : 'genesis_comment_callback';
	}

	return $defaults;

}