Approval in backend

backend/es/export.json

@@ -79,6 +79,7 @@
         "backup_file_exists": "Backup file exists",
         "backup_archive_last_generated": "Backup: Last generation date",
         "download": "Download",
-        "date_last_object_edited": "Date the last object was edited"
+        "date_last_object_edited": "Date the last object was edited",
+        "xml_export": "XML export"
     }
 }