Ticket #34264: 34264.diff

src/wp-includes/functions.php

@@ -1160 +1160 @@
         /**
          * Fires once the given feed is loaded.
          *
-         * The dynamic hook name, $hook, refers to the feed name.
+         * The dynamic portion of the hook name, $hook, refers to the feed name. Possible values
+         * include: 'rdf', 'rss', 'rss2', and 'atom'.
          *
          * @since 2.1.0
          *
          * @param bool $is_comment_feed Whether the feed is a comment feed.
          */
-        do_action( $hook, $wp_query->is_comment_feed );
+        do_action( "do_feed_{$feed}", $wp_query->is_comment_feed );
 }
 
 /**