Ticket #34414: export.diff

export.php

@@ -530 +530 @@
 <?php           endforeach; ?>
                 </wp:comment>
 <?php   endforeach; ?>
+<?php 
+/**
+ * Add extra item fields to exported WXR file
+ * 
+ * When exporting WXR files sometimes it's needed to include additional 
+ * informations about exported items, handled by for example plugins or
+ * theme. Use this action to echo well formatted XML elements here.
+ * 
+ * @since 4.4.0
+ * 
+ * @param WP_Post $post WordPress post object
+ */
+do_action('wxr_export_item_extra_fields', $post);
+?>
         </item>
 <?php
         }