- implementation of a 'variable' filter as replacement for default modifier

- update of unregister_....filter methods

libs/sysplugins/method.getvariablefilter.php

@@ -0,0 +1,25 @@
+<?php
+
+/**
+* Smarty method getVariableFilter
+* 
+* get status of filter on variable output
+* 
+* @package Smarty
+* @subpackage SmartyMethod
+* @author Uwe Tews 
+*/
+
+/**
+* Smarty class getVariableFilter
+* 
+* get status of filter on variable output
+*/
+class Smarty_Method_getVariableFilter extends Smarty_Internal_Base {
+    public function execute()
+    {
+        return $this->smarty->variable_filter;
+    } 
+} 
+
+?>