Ticket #25229: wp-includes-feed-atom.php

Index: wp-includes/feed-atom.php
===================================================================
--- wp-includes/feed-atom.php   (revision 25365)
+++ wp-includes/feed-atom.php   (working copy)
@@ -14,7 +14,14 @@
   xmlns:thr="http://purl.org/syndication/thread/1.0"
   xml:lang="<?php bloginfo_rss( 'language' ); ?>"
   xml:base="<?php bloginfo_rss('url') ?>/wp-atom.php"
-  <?php do_action('atom_ns'); ?>
+  <?php 
+  /**
+        * Fired at the end of the feed root to add namespaces.
+        *
+        * @since 2.0.0
+        */
+  do_action('atom_ns'); 
+  ?>
  >
        <title type="text"><?php bloginfo_rss('name'); wp_title_rss(); ?></title>
        <subtitle type="text"><?php bloginfo_rss("description") ?></subtitle>
@@ -25,7 +32,14 @@
        <id><?php bloginfo('atom_url'); ?></id>
        <link rel="self" type="application/atom+xml" href="<?php self_link(); ?>" />
 
-       <?php do_action('atom_head'); ?>
+       <?php 
+       /**
+        * Fired at the end of the Atom feed header.
+        *
+        * @since 2.0.0
+        */
+       do_action('atom_head'); 
+       ?>
        <?php while (have_posts()) : the_post(); ?>
        <entry>
                <author>
@@ -33,6 +47,11 @@
                        <?php $author_url = get_the_author_meta('url'); if ( !empty($author_url) ) : ?>
                        <uri><?php the_author_meta('url')?></uri>
                        <?php endif;
+                       /**
+                        * Fired at the end of the Atom feed author entry to add author data.
+                        *
+                        * @since 3.2.0
+                        */
                        do_action('atom_author'); ?>
                </author>
                <title type="<?php html_type_rss(); ?>"><![CDATA[<?php the_title_rss() ?>]]></title>
@@ -46,7 +65,14 @@
                <content type="<?php html_type_rss(); ?>" xml:base="<?php the_permalink_rss() ?>"><![CDATA[<?php the_content_feed('atom') ?>]]></content>
 <?php endif; ?>
 <?php atom_enclosure(); ?>
-<?php do_action('atom_entry'); ?>
+<?php
+/**
+ * Fired at the end of each Atom feed item.
+ *
+ * @since 2.0.0
+ */
+do_action('atom_entry'); 
+?>
                <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>