Add Smarty 4.0.0 basic library with updated checkbox/options, t/popup, this is all untested at the moment

www/lib/smarty-4.0.0/libs/plugins/modifiercompiler.noprint.php

@@ -0,0 +1,20 @@
+<?php
+/**
+ * Smarty plugin
+ *
+ * @package    Smarty
+ * @subpackage PluginsModifierCompiler
+ */
+/**
+ * Smarty noprint modifier plugin
+ * Type:     modifier
+ * Name:     noprint
+ * Purpose:  return an empty string
+ *
+ * @author Uwe Tews
+ * @return string with compiled code
+ */
+function smarty_modifiercompiler_noprint()
+{
+    return "''";
+}