- change of filenames in sysplugins folder for internal spl_autoload function

- lexer/parser changed for increased compilation speed

libs/sysplugins/smarty_method_clear_assign.php

@@ -0,0 +1,37 @@
+<?php
+
+/**
+* Smarty method Clear_Assign
+* 
+* Deletes a assigned Smarty variable or array of variables at current level
+* 
+* @package Smarty
+* @subpackage SmartyMethod
+* @author Uwe Tews 
+*/
+
+/**
+* Delete a Smarty variable or array of variables
+* 
+* @param object $smarty 
+* @param string $ |array $varname variable name or array of variable names
+* @param object $data_object object which holds tpl_vars
+*/
+function clear_assign($smarty, $varname, $data_object = null)
+{
+    foreach ((array)$varname as $variable) {
+        if (isset($data_object)) {
+            $ptr = $data_object;
+        } else {
+            $ptr = $smarty;
+        } while ($ptr != null) {
+            if (isset($ptr->tpl_vars[$variable])) {
+                unset($ptr->tpl_vars[$variable]);
+            } 
+            $ptr = $ptr->parent;
+        } 
+    } 
+    return;
+} 
+
+?>