diff --git a/change_log.txt b/change_log.txt
index 33178537..87cfb356 100644
--- a/change_log.txt
+++ b/change_log.txt
@@ -1,4 +1,10 @@
 ===== SVN trunk  =====
+31/12/2010
+- bugfix dynamic configuration of $debugging_crtl did not work
+- bugfix default value of $config_read_hidden changed to false
+- bugfix format of attribute array on compiler plugins
+- bugfix getTemplateVars() could return value from wrong scope
+
 28/12/2010
 - bugfix multiple {append} tags failed to compile.
 
diff --git a/libs/Smarty.class.php b/libs/Smarty.class.php
index e3e5aba5..04f49d3e 100644
--- a/libs/Smarty.class.php
+++ b/libs/Smarty.class.php
@@ -181,7 +181,7 @@ class Smarty extends Smarty_Internal_Data {
     // config var settings
     public $config_overwrite = true; //Controls whether variables with the same name overwrite each other.
     public $config_booleanize = true; //Controls whether config values of on/true/yes and off/false/no get converted to boolean
-    public $config_read_hidden = true; //Controls whether hidden config sections/vars are read from the file.                                                      
+    public $config_read_hidden = false; //Controls whether hidden config sections/vars are read from the file.                                                      
     // config vars
     public $config_vars = array(); 
     // assigned tpl vars
@@ -259,31 +259,6 @@ class Smarty extends Smarty_Internal_Data {
         $this->cache_dir = '.' . DS . 'cache' . DS;
         $this->config_dir = '.' . DS . 'configs' . DS;
         $this->debug_tpl = SMARTY_DIR . 'debug.tpl';
-        if (!$this->debugging && $this->debugging_ctrl == 'URL') {
-            if (isset($_SERVER['QUERY_STRING'])) {
-                $_query_string = $_SERVER['QUERY_STRING'];
-            } else {
-                $_query_string = '';
-            } 
-            if (false !== strpos($_query_string, $this->smarty_debug_id)) {
-                if (false !== strpos($_query_string, $this->smarty_debug_id . '=on')) {
-                    // enable debugging for this browser session
-                    setcookie('SMARTY_DEBUG', true);
-                    $this->debugging = true;
-                } elseif (false !== strpos($_query_string, $this->smarty_debug_id . '=off')) {
-                    // disable debugging for this browser session
-                    setcookie('SMARTY_DEBUG', false);
-                    $this->debugging = false;
-                } else {
-                    // enable debugging for this page
-                    $this->debugging = true;
-                } 
-            } else {
-                if (isset($_COOKIE['SMARTY_DEBUG'])) {
-                    $this->debugging = true;
-                } 
-            } 
-        } 
         if (isset($_SERVER['SCRIPT_NAME'])) {
             $this->assignGlobal('SCRIPT_NAME', $_SERVER['SCRIPT_NAME']);
         } 
@@ -321,6 +296,32 @@ class Smarty extends Smarty_Internal_Data {
         if (isset($this->error_reporting)) {
         	$_smarty_old_error_level = error_reporting($this->error_reporting);
     	}
+    	// check URL debugging control
+        if (!$this->debugging && $this->debugging_ctrl == 'URL') {
+            if (isset($_SERVER['QUERY_STRING'])) {
+                $_query_string = $_SERVER['QUERY_STRING'];
+            } else {
+                $_query_string = '';
+            } 
+            if (false !== strpos($_query_string, $this->smarty_debug_id)) {
+                if (false !== strpos($_query_string, $this->smarty_debug_id . '=on')) {
+                    // enable debugging for this browser session
+                    setcookie('SMARTY_DEBUG', true);
+                    $this->debugging = true;
+                } elseif (false !== strpos($_query_string, $this->smarty_debug_id . '=off')) {
+                    // disable debugging for this browser session
+                    setcookie('SMARTY_DEBUG', false);
+                    $this->debugging = false;
+                } else {
+                    // enable debugging for this page
+                    $this->debugging = true;
+                } 
+            } else {
+                if (isset($_COOKIE['SMARTY_DEBUG'])) {
+                    $this->debugging = true;
+                } 
+            } 
+        } 
         // obtain data for cache modified check
         if ($this->cache_modified_check && $this->caching && $display) {
             $_isCached = $_template->isCached() && !$_template->has_nocache_code;
diff --git a/libs/sysplugins/smarty_internal_data.php b/libs/sysplugins/smarty_internal_data.php
index 17818827..609376ec 100644
--- a/libs/sysplugins/smarty_internal_data.php
+++ b/libs/sysplugins/smarty_internal_data.php
@@ -196,7 +196,9 @@ class Smarty_Internal_Data {
                 $_ptr = $this;
             } while ($_ptr !== null) {
                 foreach ($_ptr->tpl_vars AS $key => $var) {
-                    $_result[$key] = $var->value;
+                    if (!array_key_exists($key, $_result)) {
+                        $_result[$key] = $var->value;
+                    }
                 } 
                 // not found, try at parent
                 if ($search_parents) {
@@ -207,7 +209,9 @@ class Smarty_Internal_Data {
             } 
             if ($search_parents && isset(Smarty::$global_tpl_vars)) {
                 foreach (Smarty::$global_tpl_vars AS $key => $var) {
-                    $_result[$key] = $var->value;
+                    if (!array_key_exists($key, $_result)) {
+                        $_result[$key] = $var->value;
+                    }
                 } 
             } 
             return $_result;
diff --git a/libs/sysplugins/smarty_internal_templatecompilerbase.php b/libs/sysplugins/smarty_internal_templatecompilerbase.php
index da53a0fa..77df3570 100644
--- a/libs/sysplugins/smarty_internal_templatecompilerbase.php
+++ b/libs/sysplugins/smarty_internal_templatecompilerbase.php
@@ -196,7 +196,12 @@ class Smarty_Internal_TemplateCompilerBase {
                     if ($plugin_type == Smarty::PLUGIN_BLOCK && $this->smarty->loadPlugin('smarty_compiler_' . $tag)) {
                         $plugin = 'smarty_compiler_' . $tag;
                         if (is_callable($plugin)) {
-                            return $plugin($args, $this->smarty);
+                        	// convert arguments format for old compiler plugins
+                            $new_args = array();
+                            foreach ($args as $mixed) {
+                                $new_args = array_merge($new_args, $mixed);
+                            } 
+                            return $plugin($new_args, $this->smarty);
                         } 
                         if (class_exists($plugin, false)) {
                             $plugin_object = new $plugin;