Customize outer markup of Display Posts Shortcode

gistfile1.aw

<?php

/**
 * Customize opening outer markup of Display Posts Shortcode
 * @see https://displayposts.com/2019/01/04/use-section-element-for-wrapper/
 *
 * @param $output string, the original opening markup
 * @return $output string, the modified opening markup 
 */
function be_display_posts_open( $output, $atts, $query ) {
	$output = '<section class="display-posts-listing">';
	return $output;
}
add_filter( 'display_posts_shortcode_wrapper_open', 'be_display_posts_open', 10, 3 );

/**
 * Customize closing outer markup of Display Posts Shortcode
 * @see https://displayposts.com/2019/01/04/use-section-element-for-wrapper/
 *
 * @param $output string, the original closing markup
 * @return $output string, the modified closing markup 
 */
function be_display_posts_close( $output, $atts, $query ) {
	$output = '</section>';
	return $output;
}
add_filter( 'display_posts_shortcode_wrapper_close', 'be_display_posts_close', 10, 3 );