templates/theme-support/twentynineteen/content-single.php
<article id="post-<?php the_ID(); ?>" <?php post_class(); ?>>
<header class="entry-header">
<?php get_template_part( 'template-parts/header/entry', 'header' ); ?>
</header>
<figure class="post-thumbnail">
<div class="post-thumbnail-inner">
<?php the_post_thumbnail( 'post-thumbnail' ); ?>
</div>
</figure>
<div class="entry-content">
<?php
the_content();
wp_link_pages(
array(
'before' => '<div class="page-links">' . __( 'Pages:', 'auto-load-next-post' ),
'after' => '</div>',
)
);
?>
</div><!-- .entry-content -->
<footer class="entry-footer">
<?php twentynineteen_entry_footer(); ?>
</footer><!-- .entry-footer -->
<?php if ( ! is_singular( 'attachment' ) ) : ?>
<?php get_template_part( 'template-parts/post/author', 'bio' ); ?>
<?php endif; ?>
</article><!-- #post-${ID} -->