File file level phpdoc from jacobsantos. see #7037

git-svn-id: https://develop.svn.wordpress.org/trunk@7991 602fd350-edb4-49c9-b593-d223f7449a82

wp-commentsrss2.php

@@ -1,4 +1,17 @@
 <?php
+/**
+ * Outputs the RSS2 XML format comment feed using the feed-rss2.php file in
+ * wp-includes folder. This file only sets the feed format and includes the
+ * feed-rss2-comments.php.
+ *
+ * This file is no longer used in WordPress and while it is not deprecated now.
+ * This file will most likely be deprecated or removed in a later version.
+ *
+ * The link for the rss2 comment feed is /index.php?feed=rss2&withcomments=1
+ * with permalinks off.
+ *
+ * @package WordPress
+ */
 
 if (empty($wp)) {
 	require_once('./wp-load.php');