--- a/plugins/mod_http_errors.lua Mon Oct 12 18:16:18 2020 +0200
+++ b/plugins/mod_http_errors.lua Mon Oct 12 18:27:42 2020 +0200
@@ -57,7 +57,7 @@
<body>
<h1>{title}</h1>
<p>{message}</p>
-<p class="extra">{extra?}</p>
+{extra&<p class="extra">{extra?}</p>}
</body>
</html>
]];