diff -r 3d4e9c994f10 -r a86126ab1dd4 wp/wp-includes/feed-atom.php
--- a/wp/wp-includes/feed-atom.php	Tue Oct 22 16:11:46 2019 +0200
+++ b/wp/wp-includes/feed-atom.php	Tue Dec 15 13:49:49 2020 +0100
@@ -50,8 +50,11 @@
 	<entry>
 		<author>
 			<name><?php the_author(); ?></name>
-			<?php $author_url = get_the_author_meta( 'url' ); if ( ! empty( $author_url ) ) : ?>
-			<uri><?php the_author_meta( 'url' ); ?></uri>
+			<?php
+			$author_url = get_the_author_meta( 'url' );
+			if ( ! empty( $author_url ) ) :
+				?>
+				<uri><?php the_author_meta( 'url' ); ?></uri>
 				<?php
 			endif;
 
@@ -63,18 +66,24 @@
 			do_action( 'atom_author' );
 			?>
 		</author>
+
 		<title type="<?php html_type_rss(); ?>"><![CDATA[<?php the_title_rss(); ?>]]></title>
 		<link rel="alternate" type="<?php bloginfo_rss( 'html_type' ); ?>" href="<?php the_permalink_rss(); ?>" />
+
 		<id><?php the_guid(); ?></id>
 		<updated><?php echo get_post_modified_time( 'Y-m-d\TH:i:s\Z', true ); ?></updated>
 		<published><?php echo get_post_time( 'Y-m-d\TH:i:s\Z', true ); ?></published>
 		<?php the_category_rss( 'atom' ); ?>
+
 		<summary type="<?php html_type_rss(); ?>"><![CDATA[<?php the_excerpt_rss(); ?>]]></summary>
+
 		<?php if ( ! get_option( 'rss_use_excerpt' ) ) : ?>
-		<content type="<?php html_type_rss(); ?>" xml:base="<?php the_permalink_rss(); ?>"><![CDATA[<?php the_content_feed( 'atom' ); ?>]]></content>
+			<content type="<?php html_type_rss(); ?>" xml:base="<?php the_permalink_rss(); ?>"><![CDATA[<?php the_content_feed( 'atom' ); ?>]]></content>
 		<?php endif; ?>
+
 		<?php
 		atom_enclosure();
+
 		/**
 		 * Fires at the end of each Atom feed item.
 		 *
@@ -84,9 +93,9 @@
 
 		if ( get_comments_number() || comments_open() ) :
 			?>
-		<link rel="replies" type="<?php bloginfo_rss( 'html_type' ); ?>" href="<?php the_permalink_rss(); ?>#comments" thr:count="<?php echo get_comments_number(); ?>"/>
-		<link rel="replies" type="application/atom+xml" href="<?php echo esc_url( get_post_comments_feed_link( 0, 'atom' ) ); ?>" thr:count="<?php echo get_comments_number(); ?>"/>
-		<thr:total><?php echo get_comments_number(); ?></thr:total>
+			<link rel="replies" type="<?php bloginfo_rss( 'html_type' ); ?>" href="<?php the_permalink_rss(); ?>#comments" thr:count="<?php echo get_comments_number(); ?>"/>
+			<link rel="replies" type="application/atom+xml" href="<?php echo esc_url( get_post_comments_feed_link( 0, 'atom' ) ); ?>" thr:count="<?php echo get_comments_number(); ?>"/>
+			<thr:total><?php echo get_comments_number(); ?></thr:total>
 		<?php endif; ?>
 	</entry>
 	<?php endwhile; ?>