Fix CodeSniffer violations

Change indentation to ensure code confirms to CodeSniffer rules.

2 files changed, 874 insertions, 874 deletions

diff --git a/lib/plugins/config/settings/config.class.php b/lib/plugins/config/settings/config.class.php
index 6de560128..0b9fa8103 100644
--- a/lib/plugins/config/settings/config.class.php
+++ b/lib/plugins/config/settings/config.class.php
@@ -11,500 +11,500 @@ if(!defined('CM_KEYMARKER')) define('CM_KEYMARKER','____');
 
 if (!class_exists('configuration')) {
 
-  class configuration {
-
-    var $_name = 'conf';           // name of the config variable found in the files (overridden by $config['varname'])
-    var $_format = 'php';          // format of the config file, supported formats - php (overridden by $config['format'])
-    var $_heading = '';            // heading string written at top of config file - don't include comment indicators
-    var $_loaded = false;          // set to true after configuration files are loaded
-    var $_metadata = array();      // holds metadata describing the settings
-    var $setting = array();        // array of setting objects
-    var $locked = false;           // configuration is considered locked if it can't be updated
-    var $show_disabled_plugins = false;
-
-    // configuration filenames
-    var $_default_files  = array();
-    var $_local_files = array();      // updated configuration is written to the first file
-    var $_protected_files = array();
-
-    var $_plugin_list = null;
-
-    /**
-     *  constructor
-     */
-    function configuration($datafile) {
-        global $conf, $config_cascade;
-
-        if (!@file_exists($datafile)) {
-          msg('No configuration metadata found at - '.htmlspecialchars($datafile),-1);
-          return;
-        }
-        $meta = array();
-        include($datafile);
+    class configuration {
 
-        if (isset($config['varname'])) $this->_name = $config['varname'];
-        if (isset($config['format'])) $this->_format = $config['format'];
-        if (isset($config['heading'])) $this->_heading = $config['heading'];
+        var $_name = 'conf';           // name of the config variable found in the files (overridden by $config['varname'])
+        var $_format = 'php';          // format of the config file, supported formats - php (overridden by $config['format'])
+        var $_heading = '';            // heading string written at top of config file - don't include comment indicators
+        var $_loaded = false;          // set to true after configuration files are loaded
+        var $_metadata = array();      // holds metadata describing the settings
+        var $setting = array();        // array of setting objects
+        var $locked = false;           // configuration is considered locked if it can't be updated
+        var $show_disabled_plugins = false;
 
-        $this->_default_files = $config_cascade['main']['default'];
-        $this->_local_files = $config_cascade['main']['local'];
-        $this->_protected_files = $config_cascade['main']['protected'];
+        // configuration filenames
+        var $_default_files  = array();
+        var $_local_files = array();      // updated configuration is written to the first file
+        var $_protected_files = array();
 
-        $this->locked = $this->_is_locked();
-        $this->_metadata = array_merge($meta, $this->get_plugintpl_metadata($conf['template']));
-        $this->retrieve_settings();
-    }
+        var $_plugin_list = null;
 
-    function retrieve_settings() {
-        global $conf;
-        $no_default_check = array('setting_fieldset', 'setting_undefined', 'setting_no_class');
+        /**
+         *  constructor
+         */
+        function configuration($datafile) {
+            global $conf, $config_cascade;
 
-        if (!$this->_loaded) {
-          $default = array_merge($this->get_plugintpl_default($conf['template']), $this->_read_config_group($this->_default_files));
-          $local = $this->_read_config_group($this->_local_files);
-          $protected = $this->_read_config_group($this->_protected_files);
+            if (!@file_exists($datafile)) {
+                msg('No configuration metadata found at - '.htmlspecialchars($datafile),-1);
+                return;
+            }
+            $meta = array();
+            include($datafile);
 
-          $keys = array_merge(array_keys($this->_metadata),array_keys($default), array_keys($local), array_keys($protected));
-          $keys = array_unique($keys);
+            if (isset($config['varname'])) $this->_name = $config['varname'];
+            if (isset($config['format'])) $this->_format = $config['format'];
+            if (isset($config['heading'])) $this->_heading = $config['heading'];
 
-          $param = null;
-          foreach ($keys as $key) {
-            if (isset($this->_metadata[$key])) {
-              $class = $this->_metadata[$key][0];
+            $this->_default_files = $config_cascade['main']['default'];
+            $this->_local_files = $config_cascade['main']['local'];
+            $this->_protected_files = $config_cascade['main']['protected'];
 
-              if($class && class_exists('setting_'.$class)){
-                $class = 'setting_'.$class;
-              } else {
-                if($class != '') {
-                  $this->setting[] = new setting_no_class($key,$param);
+            $this->locked = $this->_is_locked();
+            $this->_metadata = array_merge($meta, $this->get_plugintpl_metadata($conf['template']));
+            $this->retrieve_settings();
+        }
+
+        function retrieve_settings() {
+            global $conf;
+            $no_default_check = array('setting_fieldset', 'setting_undefined', 'setting_no_class');
+
+            if (!$this->_loaded) {
+                $default = array_merge($this->get_plugintpl_default($conf['template']), $this->_read_config_group($this->_default_files));
+                $local = $this->_read_config_group($this->_local_files);
+                $protected = $this->_read_config_group($this->_protected_files);
+
+                $keys = array_merge(array_keys($this->_metadata),array_keys($default), array_keys($local), array_keys($protected));
+                $keys = array_unique($keys);
+
+                $param = null;
+                foreach ($keys as $key) {
+                    if (isset($this->_metadata[$key])) {
+                        $class = $this->_metadata[$key][0];
+
+                        if($class && class_exists('setting_'.$class)){
+                            $class = 'setting_'.$class;
+                        } else {
+                            if($class != '') {
+                                $this->setting[] = new setting_no_class($key,$param);
+                            }
+                            $class = 'setting';
+                        }
+
+                        $param = $this->_metadata[$key];
+                        array_shift($param);
+                    } else {
+                        $class = 'setting_undefined';
+                        $param = null;
+                    }
+
+                    if (!in_array($class, $no_default_check) && !isset($default[$key])) {
+                        $this->setting[] = new setting_no_default($key,$param);
+                    }
+
+                    $this->setting[$key] = new $class($key,$param);
+                    $this->setting[$key]->initialize($default[$key],$local[$key],$protected[$key]);
                 }
-                $class = 'setting';
-              }
 
-              $param = $this->_metadata[$key];
-              array_shift($param);
-            } else {
-              $class = 'setting_undefined';
-              $param = null;
+                $this->_loaded = true;
             }
+        }
 
-            if (!in_array($class, $no_default_check) && !isset($default[$key])) {
-              $this->setting[] = new setting_no_default($key,$param);
-            }
+        function save_settings($id, $header='', $backup=true) {
+            global $conf;
 
-            $this->setting[$key] = new $class($key,$param);
-            $this->setting[$key]->initialize($default[$key],$local[$key],$protected[$key]);
-          }
+            if ($this->locked) return false;
 
-          $this->_loaded = true;
-        }
-    }
-
-    function save_settings($id, $header='', $backup=true) {
-      global $conf;
+            // write back to the last file in the local config cascade
+            $file = end($this->_local_files);
 
-      if ($this->locked) return false;
+            // backup current file (remove any existing backup)
+            if (@file_exists($file) && $backup) {
+                if (@file_exists($file.'.bak')) @unlink($file.'.bak');
+                if (!io_rename($file, $file.'.bak')) return false;
+            }
 
-      // write back to the last file in the local config cascade
-      $file = end($this->_local_files);
+            if (!$fh = @fopen($file, 'wb')) {
+                io_rename($file.'.bak', $file);     // problem opening, restore the backup
+                return false;
+            }
 
-      // backup current file (remove any existing backup)
-      if (@file_exists($file) && $backup) {
-        if (@file_exists($file.'.bak')) @unlink($file.'.bak');
-        if (!io_rename($file, $file.'.bak')) return false;
-      }
+            if (empty($header)) $header = $this->_heading;
 
-      if (!$fh = @fopen($file, 'wb')) {
-        io_rename($file.'.bak', $file);     // problem opening, restore the backup
-        return false;
-      }
+            $out = $this->_out_header($id,$header);
 
-      if (empty($header)) $header = $this->_heading;
+            foreach ($this->setting as $setting) {
+                $out .= $setting->out($this->_name, $this->_format);
+            }
 
-      $out = $this->_out_header($id,$header);
+            $out .= $this->_out_footer();
 
-      foreach ($this->setting as $setting) {
-        $out .= $setting->out($this->_name, $this->_format);
-      }
+            @fwrite($fh, $out);
+            fclose($fh);
+            if($conf['fperm']) chmod($file, $conf['fperm']);
+            return true;
+        }
 
-      $out .= $this->_out_footer();
+        /**
+         * Update last modified time stamp of the config file
+         */
+        function touch_settings(){
+            if ($this->locked) return false;
+            $file = end($this->_local_files);
+            return @touch($file);
+        }
 
-      @fwrite($fh, $out);
-      fclose($fh);
-      if($conf['fperm']) chmod($file, $conf['fperm']);
-      return true;
-    }
+        function _read_config_group($files) {
+            $config = array();
+            foreach ($files as $file) {
+                $config = array_merge($config, $this->_read_config($file));
+            }
 
-    /**
-     * Update last modified time stamp of the config file
-     */
-    function touch_settings(){
-        if ($this->locked) return false;
-        $file = end($this->_local_files);
-        return @touch($file);
-    }
+            return $config;
+        }
 
-    function _read_config_group($files) {
-      $config = array();
-      foreach ($files as $file) {
-        $config = array_merge($config, $this->_read_config($file));
-      }
+        /**
+         * return an array of config settings
+         */
+        function _read_config($file) {
 
-      return $config;
-    }
+            if (!$file) return array();
 
-    /**
-     * return an array of config settings
-     */
-    function _read_config($file) {
+            $config = array();
 
-      if (!$file) return array();
+            if ($this->_format == 'php') {
 
-      $config = array();
+                if(@file_exists($file)){
+                    $contents = @php_strip_whitespace($file);
+                }else{
+                    $contents = '';
+                }
+                $pattern = '/\$'.$this->_name.'\[[\'"]([^=]+)[\'"]\] ?= ?(.*?);(?=[^;]*(?:\$'.$this->_name.'|$))/s';
+                $matches=array();
+                preg_match_all($pattern,$contents,$matches,PREG_SET_ORDER);
 
-      if ($this->_format == 'php') {
+                for ($i=0; $i<count($matches); $i++) {
+                    $value = $matches[$i][2];
 
-        if(@file_exists($file)){
-            $contents = @php_strip_whitespace($file);
-        }else{
-            $contents = '';
-        }
-        $pattern = '/\$'.$this->_name.'\[[\'"]([^=]+)[\'"]\] ?= ?(.*?);(?=[^;]*(?:\$'.$this->_name.'|$))/s';
-        $matches=array();
-        preg_match_all($pattern,$contents,$matches,PREG_SET_ORDER);
 
-        for ($i=0; $i<count($matches); $i++) {
-          $value = $matches[$i][2];
+                    // correct issues with the incoming data
+                    // FIXME ... for now merge multi-dimensional array indices using ____
+                    $key = preg_replace('/.\]\[./',CM_KEYMARKER,$matches[$i][1]);
 
 
-          // correct issues with the incoming data
-          // FIXME ... for now merge multi-dimensional array indices using ____
-          $key = preg_replace('/.\]\[./',CM_KEYMARKER,$matches[$i][1]);
+                    // handle arrays
+                    if(preg_match('/^array ?\((.*)\)/', $value, $match)){
+                        $arr = explode(',', $match[1]);
 
+                        // remove quotes from quoted strings & unescape escaped data
+                        $len = count($arr);
+                        for($j=0; $j<$len; $j++){
+                            $arr[$j] = trim($arr[$j]);
+                            $arr[$j] = preg_replace('/^(\'|")(.*)(?<!\\\\)\1$/s','$2',$arr[$j]);
+                            $arr[$j] = strtr($arr[$j], array('\\\\'=>'\\','\\\''=>'\'','\\"'=>'"'));
+                        }
 
-          // handle arrays
-          if(preg_match('/^array ?\((.*)\)/', $value, $match)){
-            $arr = explode(',', $match[1]);
+                        $value = $arr;
+                    }else{
+                        // remove quotes from quoted strings & unescape escaped data
+                        $value = preg_replace('/^(\'|")(.*)(?<!\\\\)\1$/s','$2',$value);
+                        $value = strtr($value, array('\\\\'=>'\\','\\\''=>'\'','\\"'=>'"'));
+                    }
 
-            // remove quotes from quoted strings & unescape escaped data
-            $len = count($arr);
-            for($j=0; $j<$len; $j++){
-                $arr[$j] = trim($arr[$j]);
-                $arr[$j] = preg_replace('/^(\'|")(.*)(?<!\\\\)\1$/s','$2',$arr[$j]);
-                $arr[$j] = strtr($arr[$j], array('\\\\'=>'\\','\\\''=>'\'','\\"'=>'"'));
+                    $config[$key] = $value;
+                }
             }
 
-            $value = $arr;
-          }else{
-            // remove quotes from quoted strings & unescape escaped data
-            $value = preg_replace('/^(\'|")(.*)(?<!\\\\)\1$/s','$2',$value);
-            $value = strtr($value, array('\\\\'=>'\\','\\\''=>'\'','\\"'=>'"'));
-          }
-
-          $config[$key] = $value;
+            return $config;
         }
-      }
 
-      return $config;
-    }
+        function _out_header($id, $header) {
+            $out = '';
+            if ($this->_format == 'php') {
+                $out .= '<'.'?php'."\n".
+                      "/*\n".
+                      " * ".$header."\n".
+                      " * Auto-generated by ".$id." plugin\n".
+                      " * Run for user: ".$_SERVER['REMOTE_USER']."\n".
+                      " * Date: ".date('r')."\n".
+                      " */\n\n";
+            }
 
-    function _out_header($id, $header) {
-      $out = '';
-      if ($this->_format == 'php') {
-          $out .= '<'.'?php'."\n".
-                "/*\n".
-                " * ".$header."\n".
-                " * Auto-generated by ".$id." plugin\n".
-                " * Run for user: ".$_SERVER['REMOTE_USER']."\n".
-                " * Date: ".date('r')."\n".
-                " */\n\n";
-      }
-
-      return $out;
-    }
+            return $out;
+        }
 
-    function _out_footer() {
-      $out = '';
-      if ($this->_format == 'php') {
-          $out .= "\n// end auto-generated content\n";
-      }
+        function _out_footer() {
+            $out = '';
+            if ($this->_format == 'php') {
+                $out .= "\n// end auto-generated content\n";
+            }
 
-      return $out;
-    }
+            return $out;
+        }
 
-    // configuration is considered locked if there is no local settings filename
-    // or the directory its in is not writable or the file exists and is not writable
-    function _is_locked() {
-      if (!$this->_local_files) return true;
+        // configuration is considered locked if there is no local settings filename
+        // or the directory its in is not writable or the file exists and is not writable
+        function _is_locked() {
+            if (!$this->_local_files) return true;
 
-      $local = $this->_local_files[0];
+            $local = $this->_local_files[0];
 
-      if (!is_writable(dirname($local))) return true;
-      if (@file_exists($local) && !is_writable($local)) return true;
+            if (!is_writable(dirname($local))) return true;
+            if (@file_exists($local) && !is_writable($local)) return true;
 
-      return false;
-    }
+            return false;
+        }
 
-    /**
-     *  not used ... conf's contents are an array!
-     *  reduce any multidimensional settings to one dimension using CM_KEYMARKER
-     */
-    function _flatten($conf,$prefix='') {
+        /**
+         *  not used ... conf's contents are an array!
+         *  reduce any multidimensional settings to one dimension using CM_KEYMARKER
+         */
+        function _flatten($conf,$prefix='') {
 
-        $out = array();
+            $out = array();
 
-        foreach($conf as $key => $value) {
-          if (!is_array($value)) {
-            $out[$prefix.$key] = $value;
-            continue;
-          }
+            foreach($conf as $key => $value) {
+                if (!is_array($value)) {
+                    $out[$prefix.$key] = $value;
+                    continue;
+                }
+
+                $tmp = $this->_flatten($value,$prefix.$key.CM_KEYMARKER);
+                $out = array_merge($out,$tmp);
+            }
 
-          $tmp = $this->_flatten($value,$prefix.$key.CM_KEYMARKER);
-          $out = array_merge($out,$tmp);
+            return $out;
         }
 
-        return $out;
-    }
+        function get_plugin_list() {
+            if (is_null($this->_plugin_list)) {
+                $list = plugin_list('',$this->show_disabled_plugins);
 
-    function get_plugin_list() {
-      if (is_null($this->_plugin_list)) {
-        $list = plugin_list('',$this->show_disabled_plugins);
+                // remove this plugin from the list
+                $idx = array_search('config',$list);
+                unset($list[$idx]);
 
-        // remove this plugin from the list
-        $idx = array_search('config',$list);
-        unset($list[$idx]);
+                trigger_event('PLUGIN_CONFIG_PLUGINLIST',$list);
+                $this->_plugin_list = $list;
+            }
 
-        trigger_event('PLUGIN_CONFIG_PLUGINLIST',$list);
-        $this->_plugin_list = $list;
-      }
+            return $this->_plugin_list;
+        }
 
-      return $this->_plugin_list;
-    }
+        /**
+         * load metadata for plugin and template settings
+         */
+        function get_plugintpl_metadata($tpl){
+            $file     = '/conf/metadata.php';
+            $class    = '/conf/settings.class.php';
+            $metadata = array();
+
+            foreach ($this->get_plugin_list() as $plugin) {
+                $plugin_dir = plugin_directory($plugin);
+                if (@file_exists(DOKU_PLUGIN.$plugin_dir.$file)){
+                    $meta = array();
+                    @include(DOKU_PLUGIN.$plugin_dir.$file);
+                    @include(DOKU_PLUGIN.$plugin_dir.$class);
+                    if (!empty($meta)) {
+                        $metadata['plugin'.CM_KEYMARKER.$plugin.CM_KEYMARKER.'plugin_settings_name'] = array('fieldset');
+                    }
+                    foreach ($meta as $key => $value){
+                        if ($value[0]=='fieldset') { continue; } //plugins only get one fieldset
+                        $metadata['plugin'.CM_KEYMARKER.$plugin.CM_KEYMARKER.$key] = $value;
+                    }
+                }
+            }
 
-    /**
-     * load metadata for plugin and template settings
-     */
-    function get_plugintpl_metadata($tpl){
-      $file     = '/conf/metadata.php';
-      $class    = '/conf/settings.class.php';
-      $metadata = array();
-
-      foreach ($this->get_plugin_list() as $plugin) {
-        $plugin_dir = plugin_directory($plugin);
-        if (@file_exists(DOKU_PLUGIN.$plugin_dir.$file)){
-          $meta = array();
-          @include(DOKU_PLUGIN.$plugin_dir.$file);
-          @include(DOKU_PLUGIN.$plugin_dir.$class);
-          if (!empty($meta)) {
-             $metadata['plugin'.CM_KEYMARKER.$plugin.CM_KEYMARKER.'plugin_settings_name'] = array('fieldset');
-          }
-          foreach ($meta as $key => $value){
-            if ($value[0]=='fieldset') { continue; } //plugins only get one fieldset
-            $metadata['plugin'.CM_KEYMARKER.$plugin.CM_KEYMARKER.$key] = $value;
-          }
-        }
-      }
-
-      // the same for the active template
-      if (@file_exists(tpl_incdir().$file)){
-        $meta = array();
-        @include(tpl_incdir().$file);
-        @include(tpl_incdir().$class);
-        if (!empty($meta)) {
-          $metadata['tpl'.CM_KEYMARKER.$tpl.CM_KEYMARKER.'template_settings_name'] = array('fieldset');
-        }
-        foreach ($meta as $key => $value){
-          if ($value[0]=='fieldset') { continue; } //template only gets one fieldset
-          $metadata['tpl'.CM_KEYMARKER.$tpl.CM_KEYMARKER.$key] = $value;
+            // the same for the active template
+            if (@file_exists(tpl_incdir().$file)){
+                $meta = array();
+                @include(tpl_incdir().$file);
+                @include(tpl_incdir().$class);
+                if (!empty($meta)) {
+                    $metadata['tpl'.CM_KEYMARKER.$tpl.CM_KEYMARKER.'template_settings_name'] = array('fieldset');
+                }
+                foreach ($meta as $key => $value){
+                    if ($value[0]=='fieldset') { continue; } //template only gets one fieldset
+                    $metadata['tpl'.CM_KEYMARKER.$tpl.CM_KEYMARKER.$key] = $value;
+                }
+            }
+
+            return $metadata;
         }
-      }
 
-      return $metadata;
-    }
+        /**
+         * load default settings for plugins and templates
+         */
+        function get_plugintpl_default($tpl){
+            $file    = '/conf/default.php';
+            $default = array();
+
+            foreach ($this->get_plugin_list() as $plugin) {
+                $plugin_dir = plugin_directory($plugin);
+                if (@file_exists(DOKU_PLUGIN.$plugin_dir.$file)){
+                    $conf = array();
+                    @include(DOKU_PLUGIN.$plugin_dir.$file);
+                    foreach ($conf as $key => $value){
+                        $default['plugin'.CM_KEYMARKER.$plugin.CM_KEYMARKER.$key] = $value;
+                    }
+                }
+            }
 
-    /**
-     * load default settings for plugins and templates
-     */
-    function get_plugintpl_default($tpl){
-      $file    = '/conf/default.php';
-      $default = array();
-
-      foreach ($this->get_plugin_list() as $plugin) {
-        $plugin_dir = plugin_directory($plugin);
-        if (@file_exists(DOKU_PLUGIN.$plugin_dir.$file)){
-          $conf = array();
-          @include(DOKU_PLUGIN.$plugin_dir.$file);
-          foreach ($conf as $key => $value){
-            $default['plugin'.CM_KEYMARKER.$plugin.CM_KEYMARKER.$key] = $value;
-          }
-        }
-      }
-
-      // the same for the active template
-      if (@file_exists(tpl_incdir().$file)){
-        $conf = array();
-        @include(tpl_incdir().$file);
-        foreach ($conf as $key => $value){
-          $default['tpl'.CM_KEYMARKER.$tpl.CM_KEYMARKER.$key] = $value;
+            // the same for the active template
+            if (@file_exists(tpl_incdir().$file)){
+                $conf = array();
+                @include(tpl_incdir().$file);
+                foreach ($conf as $key => $value){
+                    $default['tpl'.CM_KEYMARKER.$tpl.CM_KEYMARKER.$key] = $value;
+                }
+            }
+
+            return $default;
         }
-      }
 
-      return $default;
     }
-
-  }
 }
 
 if (!class_exists('setting')) {
-  class setting {
+    class setting {
 
-    var $_key = '';
-    var $_default = null;
-    var $_local = null;
-    var $_protected = null;
+        var $_key = '';
+        var $_default = null;
+        var $_local = null;
+        var $_protected = null;
 
-    var $_pattern = '';
-    var $_error = false;            // only used by those classes which error check
-    var $_input = null;             // only used by those classes which error check
-    var $_caution = null;           // used by any setting to provide an alert along with the setting
-                                    // valid alerts, 'warning', 'danger', 'security'
-                                    // images matching the alerts are in the plugin's images directory
+        var $_pattern = '';
+        var $_error = false;            // only used by those classes which error check
+        var $_input = null;             // only used by those classes which error check
+        var $_caution = null;           // used by any setting to provide an alert along with the setting
+                                        // valid alerts, 'warning', 'danger', 'security'
+                                        // images matching the alerts are in the plugin's images directory
 
-    static protected $_validCautions = array('warning','danger','security');
+        static protected $_validCautions = array('warning','danger','security');
 
-    function setting($key, $params=null) {
-        $this->_key = $key;
+        function setting($key, $params=null) {
+            $this->_key = $key;
 
-        if (is_array($params)) {
-          foreach($params as $property => $value) {
-            $this->$property = $value;
-          }
+            if (is_array($params)) {
+                foreach($params as $property => $value) {
+                    $this->$property = $value;
+                }
+            }
         }
-    }
-
-    /**
-     *  receives current values for the setting $key
-     */
-    function initialize($default, $local, $protected) {
-        if (isset($default)) $this->_default = $default;
-        if (isset($local)) $this->_local = $local;
-        if (isset($protected)) $this->_protected = $protected;
-    }
 
-    /**
-     *  update changed setting with user provided value $input
-     *  - if changed value fails error check, save it to $this->_input (to allow echoing later)
-     *  - if changed value passes error check, set $this->_local to the new value
-     *
-     *  @param  mixed   $input   the new value
-     *  @return boolean          true if changed, false otherwise (incl. on error)
-     */
-    function update($input) {
-        if (is_null($input)) return false;
-        if ($this->is_protected()) return false;
-
-        $value = is_null($this->_local) ? $this->_default : $this->_local;
-        if ($value == $input) return false;
-
-        if ($this->_pattern && !preg_match($this->_pattern,$input)) {
-          $this->_error = true;
-          $this->_input = $input;
-          return false;
+        /**
+         *  receives current values for the setting $key
+         */
+        function initialize($default, $local, $protected) {
+            if (isset($default)) $this->_default = $default;
+            if (isset($local)) $this->_local = $local;
+            if (isset($protected)) $this->_protected = $protected;
         }
 
-        $this->_local = $input;
-        return true;
-    }
+        /**
+         *  update changed setting with user provided value $input
+         *  - if changed value fails error check, save it to $this->_input (to allow echoing later)
+         *  - if changed value passes error check, set $this->_local to the new value
+         *
+         *  @param  mixed   $input   the new value
+         *  @return boolean          true if changed, false otherwise (incl. on error)
+         */
+        function update($input) {
+            if (is_null($input)) return false;
+            if ($this->is_protected()) return false;
 
-    /**
-     *  @return   array(string $label_html, string $input_html)
-     */
-    function html(&$plugin, $echo=false) {
-        $value = '';
-        $disable = '';
-
-        if ($this->is_protected()) {
-          $value = $this->_protected;
-          $disable = 'disabled="disabled"';
-        } else {
-          if ($echo && $this->_error) {
-            $value = $this->_input;
-          } else {
             $value = is_null($this->_local) ? $this->_default : $this->_local;
-          }
-        }
+            if ($value == $input) return false;
 
-        $key = htmlspecialchars($this->_key);
-        $value = formText($value);
+            if ($this->_pattern && !preg_match($this->_pattern,$input)) {
+                $this->_error = true;
+                $this->_input = $input;
+                return false;
+            }
 
-        $label = '<label for="config___'.$key.'">'.$this->prompt($plugin).'</label>';
-        $input = '<textarea rows="3" cols="40" id="config___'.$key.'" name="config['.$key.']" class="edit" '.$disable.'>'.$value.'</textarea>';
-        return array($label,$input);
-    }
+            $this->_local = $input;
+            return true;
+        }
 
-    /**
-     *  generate string to save setting value to file according to $fmt
-     */
-    function out($var, $fmt='php') {
+        /**
+         *  @return   array(string $label_html, string $input_html)
+         */
+        function html(&$plugin, $echo=false) {
+            $value = '';
+            $disable = '';
 
-      if ($this->is_protected()) return '';
-      if (is_null($this->_local) || ($this->_default == $this->_local)) return '';
+            if ($this->is_protected()) {
+                $value = $this->_protected;
+                $disable = 'disabled="disabled"';
+            } else {
+                if ($echo && $this->_error) {
+                    $value = $this->_input;
+                } else {
+                    $value = is_null($this->_local) ? $this->_default : $this->_local;
+                }
+            }
 
-      $out = '';
+            $key = htmlspecialchars($this->_key);
+            $value = formText($value);
 
-      if ($fmt=='php') {
-        $tr = array("\\" => '\\\\', "'" => '\\\'');
+            $label = '<label for="config___'.$key.'">'.$this->prompt($plugin).'</label>';
+            $input = '<textarea rows="3" cols="40" id="config___'.$key.'" name="config['.$key.']" class="edit" '.$disable.'>'.$value.'</textarea>';
+            return array($label,$input);
+        }
 
-        $out =  '$'.$var."['".$this->_out_key()."'] = '".strtr( cleanText($this->_local), $tr)."';\n";
-      }
+        /**
+         *  generate string to save setting value to file according to $fmt
+         */
+        function out($var, $fmt='php') {
 
-      return $out;
-    }
+            if ($this->is_protected()) return '';
+            if (is_null($this->_local) || ($this->_default == $this->_local)) return '';
 
-    function prompt(&$plugin) {
-      $prompt = $plugin->getLang($this->_key);
-      if (!$prompt) $prompt = htmlspecialchars(str_replace(array('____','_'),' ',$this->_key));
-      return $prompt;
-    }
+            $out = '';
 
-    function is_protected() { return !is_null($this->_protected); }
-    function is_default() { return !$this->is_protected() && is_null($this->_local); }
-    function error() { return $this->_error; }
+            if ($fmt=='php') {
+                $tr = array("\\" => '\\\\', "'" => '\\\'');
 
-    function caution() {
-        if (!empty($this->_caution)) {
-            if (!in_array($this->_caution, setting::$_validCautions)) {
-                trigger_error('Invalid caution string ('.$this->_caution.') in metadata for setting "'.$this->_key.'"', E_USER_WARNING);
-                return false;
+                $out =  '$'.$var."['".$this->_out_key()."'] = '".strtr( cleanText($this->_local), $tr)."';\n";
             }
-            return $this->_caution;
+
+            return $out;
         }
-        // compatibility with previous cautionList
-        // TODO: check if any plugins use; remove
-        if (!empty($this->_cautionList[$this->_key])) {
-            $this->_caution = $this->_cautionList[$this->_key];
-            unset($this->_cautionList);
 
-            return $this->caution();
+        function prompt(&$plugin) {
+            $prompt = $plugin->getLang($this->_key);
+            if (!$prompt) $prompt = htmlspecialchars(str_replace(array('____','_'),' ',$this->_key));
+            return $prompt;
         }
-        return false;
-    }
 
-    function _out_key($pretty=false,$url=false) {
-        if($pretty){
-            $out = str_replace(CM_KEYMARKER,"»",$this->_key);
-            if ($url && !strstr($out,'»')) {//provide no urls for plugins, etc.
-                if ($out == 'start') //one exception
-                    return '<a href="http://www.dokuwiki.org/config:startpage">'.$out.'</a>';
-                else
-                    return '<a href="http://www.dokuwiki.org/config:'.$out.'">'.$out.'</a>';
+        function is_protected() { return !is_null($this->_protected); }
+        function is_default() { return !$this->is_protected() && is_null($this->_local); }
+        function error() { return $this->_error; }
+
+        function caution() {
+            if (!empty($this->_caution)) {
+                if (!in_array($this->_caution, setting::$_validCautions)) {
+                    trigger_error('Invalid caution string ('.$this->_caution.') in metadata for setting "'.$this->_key.'"', E_USER_WARNING);
+                    return false;
+                }
+                return $this->_caution;
+            }
+            // compatibility with previous cautionList
+            // TODO: check if any plugins use; remove
+            if (!empty($this->_cautionList[$this->_key])) {
+                $this->_caution = $this->_cautionList[$this->_key];
+                unset($this->_cautionList);
+
+                return $this->caution();
+            }
+            return false;
+        }
+
+        function _out_key($pretty=false,$url=false) {
+            if($pretty){
+                $out = str_replace(CM_KEYMARKER,"»",$this->_key);
+                if ($url && !strstr($out,'»')) {//provide no urls for plugins, etc.
+                    if ($out == 'start') //one exception
+                        return '<a href="http://www.dokuwiki.org/config:startpage">'.$out.'</a>';
+                    else
+                        return '<a href="http://www.dokuwiki.org/config:'.$out.'">'.$out.'</a>';
+                }
+                return $out;
+            }else{
+                return str_replace(CM_KEYMARKER,"']['",$this->_key);
             }
-            return $out;
-        }else{
-            return str_replace(CM_KEYMARKER,"']['",$this->_key);
         }
     }
-  }
 }
 
 
@@ -612,178 +612,178 @@ if (!class_exists('setting_array')) {
 }
 
 if (!class_exists('setting_string')) {
-  class setting_string extends setting {
-    function html(&$plugin, $echo=false) {
-        $value = '';
-        $disable = '';
-
-        if ($this->is_protected()) {
-          $value = $this->_protected;
-          $disable = 'disabled="disabled"';
-        } else {
-          if ($echo && $this->_error) {
-            $value = $this->_input;
-          } else {
-            $value = is_null($this->_local) ? $this->_default : $this->_local;
-          }
-        }
+    class setting_string extends setting {
+        function html(&$plugin, $echo=false) {
+            $value = '';
+            $disable = '';
+
+            if ($this->is_protected()) {
+                $value = $this->_protected;
+                $disable = 'disabled="disabled"';
+            } else {
+                if ($echo && $this->_error) {
+                    $value = $this->_input;
+                } else {
+                    $value = is_null($this->_local) ? $this->_default : $this->_local;
+                }
+            }
 
-        $key = htmlspecialchars($this->_key);
-        $value = htmlspecialchars($value);
+            $key = htmlspecialchars($this->_key);
+            $value = htmlspecialchars($value);
 
-        $label = '<label for="config___'.$key.'">'.$this->prompt($plugin).'</label>';
-        $input = '<input id="config___'.$key.'" name="config['.$key.']" type="text" class="edit" value="'.$value.'" '.$disable.'/>';
-        return array($label,$input);
+            $label = '<label for="config___'.$key.'">'.$this->prompt($plugin).'</label>';
+            $input = '<input id="config___'.$key.'" name="config['.$key.']" type="text" class="edit" value="'.$value.'" '.$disable.'/>';
+            return array($label,$input);
+        }
     }
-  }
 }
 
 if (!class_exists('setting_password')) {
-  class setting_password extends setting_string {
+    class setting_password extends setting_string {
 
-    var $_code = 'plain';  // mechanism to be used to obscure passwords
+        var $_code = 'plain';  // mechanism to be used to obscure passwords
 
-    function update($input) {
-        if ($this->is_protected()) return false;
-        if (!$input) return false;
+        function update($input) {
+            if ($this->is_protected()) return false;
+            if (!$input) return false;
 
-        if ($this->_pattern && !preg_match($this->_pattern,$input)) {
-          $this->_error = true;
-          $this->_input = $input;
-          return false;
-        }
+            if ($this->_pattern && !preg_match($this->_pattern,$input)) {
+                $this->_error = true;
+                $this->_input = $input;
+                return false;
+            }
 
-        $this->_local = conf_encodeString($input,$this->_code);
-        return true;
-    }
+            $this->_local = conf_encodeString($input,$this->_code);
+            return true;
+        }
 
-    function html(&$plugin, $echo=false) {
+        function html(&$plugin, $echo=false) {
 
-        $value = '';
-        $disable = $this->is_protected() ? 'disabled="disabled"' : '';
+            $value = '';
+            $disable = $this->is_protected() ? 'disabled="disabled"' : '';
 
-        $key = htmlspecialchars($this->_key);
+            $key = htmlspecialchars($this->_key);
 
-        $label = '<label for="config___'.$key.'">'.$this->prompt($plugin).'</label>';
-        $input = '<input id="config___'.$key.'" name="config['.$key.']" autocomplete="off" type="password" class="edit" value="" '.$disable.' />';
-        return array($label,$input);
+            $label = '<label for="config___'.$key.'">'.$this->prompt($plugin).'</label>';
+            $input = '<input id="config___'.$key.'" name="config['.$key.']" autocomplete="off" type="password" class="edit" value="" '.$disable.' />';
+            return array($label,$input);
+        }
     }
-  }
 }
 
 if (!class_exists('setting_email')) {
 
-  class setting_email extends setting_string {
-    var $_multiple = false;
-    var $_placeholders = false;
-
-    /**
-     *  update setting with user provided value $input
-     *  if value fails error check, save it
-     *
-     *  @return boolean true if changed, false otherwise (incl. on error)
-     */
-    function update($input) {
-        if (is_null($input)) return false;
-        if ($this->is_protected()) return false;
-
-        $value = is_null($this->_local) ? $this->_default : $this->_local;
-        if ($value == $input) return false;
-        if($input === ''){
-            $this->_local = $input;
-            return true;
-        }
-        $mail = $input;
+    class setting_email extends setting_string {
+        var $_multiple = false;
+        var $_placeholders = false;
 
-        if($this->_placeholders){
-            // replace variables with pseudo values
-            $mail = str_replace('@USER@','joe',$mail);
-            $mail = str_replace('@NAME@','Joe Schmoe',$mail);
-            $mail = str_replace('@MAIL@','joe@example.com',$mail);
-        }
+        /**
+         *  update setting with user provided value $input
+         *  if value fails error check, save it
+         *
+         *  @return boolean true if changed, false otherwise (incl. on error)
+         */
+        function update($input) {
+            if (is_null($input)) return false;
+            if ($this->is_protected()) return false;
 
-        // multiple mail addresses?
-        if ($this->_multiple) {
-            $mails = array_filter(array_map('trim', explode(',', $mail)));
-        } else {
-            $mails = array($mail);
-        }
+            $value = is_null($this->_local) ? $this->_default : $this->_local;
+            if ($value == $input) return false;
+            if($input === ''){
+                $this->_local = $input;
+                return true;
+            }
+            $mail = $input;
 
-        // check them all
-        foreach ($mails as $mail) {
-            // only check the address part
-            if(preg_match('#(.*?)<(.*?)>#', $mail, $matches)){
-                $addr = $matches[2];
-            }else{
-                $addr = $mail;
+            if($this->_placeholders){
+                // replace variables with pseudo values
+                $mail = str_replace('@USER@','joe',$mail);
+                $mail = str_replace('@NAME@','Joe Schmoe',$mail);
+                $mail = str_replace('@MAIL@','joe@example.com',$mail);
             }
 
-            if (!mail_isvalid($addr)) {
-              $this->_error = true;
-              $this->_input = $input;
-              return false;
+            // multiple mail addresses?
+            if ($this->_multiple) {
+                $mails = array_filter(array_map('trim', explode(',', $mail)));
+            } else {
+                $mails = array($mail);
             }
-        }
 
-        $this->_local = $input;
-        return true;
+            // check them all
+            foreach ($mails as $mail) {
+                // only check the address part
+                if(preg_match('#(.*?)<(.*?)>#', $mail, $matches)){
+                    $addr = $matches[2];
+                }else{
+                    $addr = $mail;
+                }
+
+                if (!mail_isvalid($addr)) {
+                    $this->_error = true;
+                    $this->_input = $input;
+                    return false;
+                }
+            }
+
+            $this->_local = $input;
+            return true;
+        }
     }
-  }
 }
 
 /**
  * @deprecated 2013-02-16
  */
 if (!class_exists('setting_richemail')) {
-  class setting_richemail extends setting_email {
-      function update($input) {
-          $this->_placeholders = true;
-          return parent::update($input);
-      }
-  }
+    class setting_richemail extends setting_email {
+        function update($input) {
+            $this->_placeholders = true;
+            return parent::update($input);
+        }
+    }
 }
 
 
 if (!class_exists('setting_numeric')) {
-  class setting_numeric extends setting_string {
-    // This allows for many PHP syntax errors...
-    // var $_pattern = '/^[-+\/*0-9 ]*$/';
-    // much more restrictive, but should eliminate syntax errors.
-    var $_pattern = '/^[-+]? *[0-9]+ *(?:[-+*] *[0-9]+ *)*$/';
-    var $_min = null;
-    var $_max = null;
-
-    function update($input) {
-        $local = $this->_local;
-        $valid = parent::update($input);
-        if ($valid && !(is_null($this->_min) && is_null($this->_max))) {
-            $numeric_local = (int) eval('return '.$this->_local.';');
-            if ((!is_null($this->_min) && $numeric_local < $this->_min) ||
-                (!is_null($this->_max) && $numeric_local > $this->_max)) {
-                $this->_error = true;
-                $this->_input = $input;
-                $this->_local = $local;
-                $valid = false;
+    class setting_numeric extends setting_string {
+        // This allows for many PHP syntax errors...
+        // var $_pattern = '/^[-+\/*0-9 ]*$/';
+        // much more restrictive, but should eliminate syntax errors.
+        var $_pattern = '/^[-+]? *[0-9]+ *(?:[-+*] *[0-9]+ *)*$/';
+        var $_min = null;
+        var $_max = null;
+
+        function update($input) {
+            $local = $this->_local;
+            $valid = parent::update($input);
+            if ($valid && !(is_null($this->_min) && is_null($this->_max))) {
+                $numeric_local = (int) eval('return '.$this->_local.';');
+                if ((!is_null($this->_min) && $numeric_local < $this->_min) ||
+                    (!is_null($this->_max) && $numeric_local > $this->_max)) {
+                    $this->_error = true;
+                    $this->_input = $input;
+                    $this->_local = $local;
+                    $valid = false;
+                }
             }
+            return $valid;
         }
-        return $valid;
-    }
 
-    function out($var, $fmt='php') {
+        function out($var, $fmt='php') {
 
-      if ($this->is_protected()) return '';
-      if (is_null($this->_local) || ($this->_default == $this->_local)) return '';
+            if ($this->is_protected()) return '';
+            if (is_null($this->_local) || ($this->_default == $this->_local)) return '';
 
-      $out = '';
+            $out = '';
 
-      if ($fmt=='php') {
-        $local = $this->_local === '' ? "''" : $this->_local;
-        $out .=  '$'.$var."['".$this->_out_key()."'] = ".$local.";\n";
-      }
+            if ($fmt=='php') {
+                $local = $this->_local === '' ? "''" : $this->_local;
+                $out .=  '$'.$var."['".$this->_out_key()."'] = ".$local.";\n";
+            }
 
-    return $out;
+            return $out;
+        }
     }
-  }
 }
 
 if (!class_exists('setting_numericopt')) {
@@ -794,309 +794,309 @@ if (!class_exists('setting_numericopt')) {
 }
 
 if (!class_exists('setting_onoff')) {
-  class setting_onoff extends setting_numeric {
+    class setting_onoff extends setting_numeric {
 
-    function html(&$plugin) {
-        $value = '';
-        $disable = '';
+        function html(&$plugin) {
+            $value = '';
+            $disable = '';
 
-        if ($this->is_protected()) {
-          $value = $this->_protected;
-          $disable = ' disabled="disabled"';
-        } else {
-          $value = is_null($this->_local) ? $this->_default : $this->_local;
-        }
+            if ($this->is_protected()) {
+                $value = $this->_protected;
+                $disable = ' disabled="disabled"';
+            } else {
+                $value = is_null($this->_local) ? $this->_default : $this->_local;
+            }
 
-        $key = htmlspecialchars($this->_key);
-        $checked = ($value) ? ' checked="checked"' : '';
+            $key = htmlspecialchars($this->_key);
+            $checked = ($value) ? ' checked="checked"' : '';
 
-        $label = '<label for="config___'.$key.'">'.$this->prompt($plugin).'</label>';
-        $input = '<div class="input"><input id="config___'.$key.'" name="config['.$key.']" type="checkbox" class="checkbox" value="1"'.$checked.$disable.'/></div>';
-        return array($label,$input);
-    }
+            $label = '<label for="config___'.$key.'">'.$this->prompt($plugin).'</label>';
+            $input = '<div class="input"><input id="config___'.$key.'" name="config['.$key.']" type="checkbox" class="checkbox" value="1"'.$checked.$disable.'/></div>';
+            return array($label,$input);
+        }
 
-    function update($input) {
-        if ($this->is_protected()) return false;
+        function update($input) {
+            if ($this->is_protected()) return false;
 
-        $input = ($input) ? 1 : 0;
-        $value = is_null($this->_local) ? $this->_default : $this->_local;
-        if ($value == $input) return false;
+            $input = ($input) ? 1 : 0;
+            $value = is_null($this->_local) ? $this->_default : $this->_local;
+            if ($value == $input) return false;
 
-        $this->_local = $input;
-        return true;
+            $this->_local = $input;
+            return true;
+        }
     }
-  }
 }
 
 if (!class_exists('setting_multichoice')) {
-  class setting_multichoice extends setting_string {
-    var $_choices = array();
-
-    function html(&$plugin) {
-        $value = '';
-        $disable = '';
-        $nochoice = '';
-
-        if ($this->is_protected()) {
-          $value = $this->_protected;
-          $disable = ' disabled="disabled"';
-        } else {
-          $value = is_null($this->_local) ? $this->_default : $this->_local;
-        }
+    class setting_multichoice extends setting_string {
+        var $_choices = array();
 
-        // ensure current value is included
-        if (!in_array($value, $this->_choices)) {
-            $this->_choices[] = $value;
-        }
-        // disable if no other choices
-        if (!$this->is_protected() && count($this->_choices) <= 1) {
-          $disable = ' disabled="disabled"';
-          $nochoice = $plugin->getLang('nochoice');
-        }
+        function html(&$plugin) {
+            $value = '';
+            $disable = '';
+            $nochoice = '';
 
-        $key = htmlspecialchars($this->_key);
+            if ($this->is_protected()) {
+                $value = $this->_protected;
+                $disable = ' disabled="disabled"';
+            } else {
+                $value = is_null($this->_local) ? $this->_default : $this->_local;
+            }
 
-        $label = '<label for="config___'.$key.'">'.$this->prompt($plugin).'</label>';
+            // ensure current value is included
+            if (!in_array($value, $this->_choices)) {
+                $this->_choices[] = $value;
+            }
+            // disable if no other choices
+            if (!$this->is_protected() && count($this->_choices) <= 1) {
+                $disable = ' disabled="disabled"';
+                $nochoice = $plugin->getLang('nochoice');
+            }
 
-        $input = "<div class=\"input\">\n";
-        $input .= '<select class="edit" id="config___'.$key.'" name="config['.$key.']"'.$disable.'>'."\n";
-        foreach ($this->_choices as $choice) {
-            $selected = ($value == $choice) ? ' selected="selected"' : '';
-            $option = $plugin->getLang($this->_key.'_o_'.$choice);
-            if (!$option && isset($this->lang[$this->_key.'_o_'.$choice])) $option = $this->lang[$this->_key.'_o_'.$choice];
-            if (!$option) $option = $choice;
+            $key = htmlspecialchars($this->_key);
 
-            $choice = htmlspecialchars($choice);
-            $option = htmlspecialchars($option);
-            $input .= '  <option value="'.$choice.'"'.$selected.' >'.$option.'</option>'."\n";
-        }
-        $input .= "</select> $nochoice \n";
-        $input .= "</div>\n";
+            $label = '<label for="config___'.$key.'">'.$this->prompt($plugin).'</label>';
 
-        return array($label,$input);
-    }
+            $input = "<div class=\"input\">\n";
+            $input .= '<select class="edit" id="config___'.$key.'" name="config['.$key.']"'.$disable.'>'."\n";
+            foreach ($this->_choices as $choice) {
+                $selected = ($value == $choice) ? ' selected="selected"' : '';
+                $option = $plugin->getLang($this->_key.'_o_'.$choice);
+                if (!$option && isset($this->lang[$this->_key.'_o_'.$choice])) $option = $this->lang[$this->_key.'_o_'.$choice];
+                if (!$option) $option = $choice;
+
+                $choice = htmlspecialchars($choice);
+                $option = htmlspecialchars($option);
+                $input .= '  <option value="'.$choice.'"'.$selected.' >'.$option.'</option>'."\n";
+            }
+            $input .= "</select> $nochoice \n";
+            $input .= "</div>\n";
+
+            return array($label,$input);
+        }
 
-    function update($input) {
-        if (is_null($input)) return false;
-        if ($this->is_protected()) return false;
+        function update($input) {
+            if (is_null($input)) return false;
+            if ($this->is_protected()) return false;
 
-        $value = is_null($this->_local) ? $this->_default : $this->_local;
-        if ($value == $input) return false;
+            $value = is_null($this->_local) ? $this->_default : $this->_local;
+            if ($value == $input) return false;
 
-        if (!in_array($input, $this->_choices)) return false;
+            if (!in_array($input, $this->_choices)) return false;
 
-        $this->_local = $input;
-        return true;
+            $this->_local = $input;
+            return true;
+        }
     }
-  }
 }
 
 
 if (!class_exists('setting_dirchoice')) {
-  class setting_dirchoice extends setting_multichoice {
+    class setting_dirchoice extends setting_multichoice {
 
-    var $_dir = '';
+        var $_dir = '';
 
-    function initialize($default,$local,$protected) {
+        function initialize($default,$local,$protected) {
 
-      // populate $this->_choices with a list of directories
-      $list = array();
+            // populate $this->_choices with a list of directories
+            $list = array();
 
-      if ($dh = @opendir($this->_dir)) {
-        while (false !== ($entry = readdir($dh))) {
-          if ($entry == '.' || $entry == '..') continue;
-          if ($this->_pattern && !preg_match($this->_pattern,$entry)) continue;
+            if ($dh = @opendir($this->_dir)) {
+                while (false !== ($entry = readdir($dh))) {
+                    if ($entry == '.' || $entry == '..') continue;
+                    if ($this->_pattern && !preg_match($this->_pattern,$entry)) continue;
 
-          $file = (is_link($this->_dir.$entry)) ? readlink($this->_dir.$entry) : $this->_dir.$entry;
-          if (is_dir($file)) $list[] = $entry;
-        }
-        closedir($dh);
-      }
-      sort($list);
-      $this->_choices = $list;
+                    $file = (is_link($this->_dir.$entry)) ? readlink($this->_dir.$entry) : $this->_dir.$entry;
+                    if (is_dir($file)) $list[] = $entry;
+                }
+                closedir($dh);
+            }
+            sort($list);
+            $this->_choices = $list;
 
-      parent::initialize($default,$local,$protected);
+            parent::initialize($default,$local,$protected);
+        }
     }
-  }
 }
 
 
 if (!class_exists('setting_hidden')) {
-  class setting_hidden extends setting {
-      // Used to explicitly ignore a setting in the configuration manager.
-  }
+    class setting_hidden extends setting {
+        // Used to explicitly ignore a setting in the configuration manager.
+    }
 }
 
 if (!class_exists('setting_fieldset')) {
-  class setting_fieldset extends setting {
-      // A do-nothing class used to detect the 'fieldset' type.
-      // Used to start a new settings "display-group".
-  }
+    class setting_fieldset extends setting {
+        // A do-nothing class used to detect the 'fieldset' type.
+        // Used to start a new settings "display-group".
+    }
 }
 
 if (!class_exists('setting_undefined')) {
-  class setting_undefined extends setting_hidden {
-      // A do-nothing class used to detect settings with no metadata entry.
-      // Used internaly to hide undefined settings, and generate the undefined settings list.
-  }
+    class setting_undefined extends setting_hidden {
+        // A do-nothing class used to detect settings with no metadata entry.
+        // Used internaly to hide undefined settings, and generate the undefined settings list.
+    }
 }
 
 if (!class_exists('setting_no_class')) {
-  class setting_no_class extends setting_undefined {
-      // A do-nothing class used to detect settings with a missing setting class.
-      // Used internaly to hide undefined settings, and generate the undefined settings list.
-  }
+    class setting_no_class extends setting_undefined {
+        // A do-nothing class used to detect settings with a missing setting class.
+        // Used internaly to hide undefined settings, and generate the undefined settings list.
+    }
 }
 
 if (!class_exists('setting_no_default')) {
-  class setting_no_default extends setting_undefined {
-      // A do-nothing class used to detect settings with no default value.
-      // Used internaly to hide undefined settings, and generate the undefined settings list.
-  }
+    class setting_no_default extends setting_undefined {
+        // A do-nothing class used to detect settings with no default value.
+        // Used internaly to hide undefined settings, and generate the undefined settings list.
+    }
 }
 
 if (!class_exists('setting_multicheckbox')) {
-  class setting_multicheckbox extends setting_string {
+    class setting_multicheckbox extends setting_string {
 
-    var $_choices = array();
-    var $_combine = array();
+        var $_choices = array();
+        var $_combine = array();
 
-    function update($input) {
-        if ($this->is_protected()) return false;
+        function update($input) {
+            if ($this->is_protected()) return false;
 
-        // split any combined values + convert from array to comma separated string
-        $input = ($input) ? $input : array();
-        $input = $this->_array2str($input);
+            // split any combined values + convert from array to comma separated string
+            $input = ($input) ? $input : array();
+            $input = $this->_array2str($input);
 
-        $value = is_null($this->_local) ? $this->_default : $this->_local;
-        if ($value == $input) return false;
+            $value = is_null($this->_local) ? $this->_default : $this->_local;
+            if ($value == $input) return false;
+
+            if ($this->_pattern && !preg_match($this->_pattern,$input)) {
+                $this->_error = true;
+                $this->_input = $input;
+                return false;
+            }
 
-        if ($this->_pattern && !preg_match($this->_pattern,$input)) {
-          $this->_error = true;
-          $this->_input = $input;
-          return false;
+            $this->_local = $input;
+            return true;
         }
 
-        $this->_local = $input;
-        return true;
-    }
+        function html(&$plugin, $echo=false) {
 
-    function html(&$plugin, $echo=false) {
+            $value = '';
+            $disable = '';
 
-        $value = '';
-        $disable = '';
+            if ($this->is_protected()) {
+                $value = $this->_protected;
+                $disable = 'disabled="disabled"';
+            } else {
+                if ($echo && $this->_error) {
+                    $value = $this->_input;
+                } else {
+                    $value = is_null($this->_local) ? $this->_default : $this->_local;
+                }
+            }
 
-        if ($this->is_protected()) {
-          $value = $this->_protected;
-          $disable = 'disabled="disabled"';
-        } else {
-          if ($echo && $this->_error) {
-            $value = $this->_input;
-          } else {
-            $value = is_null($this->_local) ? $this->_default : $this->_local;
-          }
-        }
+            $key = htmlspecialchars($this->_key);
 
-        $key = htmlspecialchars($this->_key);
+            // convert from comma separated list into array + combine complimentary actions
+            $value = $this->_str2array($value);
+            $default = $this->_str2array($this->_default);
 
-        // convert from comma separated list into array + combine complimentary actions
-        $value = $this->_str2array($value);
-        $default = $this->_str2array($this->_default);
+            $input = '';
+            foreach ($this->_choices as $choice) {
+                $idx = array_search($choice, $value);
+                $idx_default = array_search($choice,$default);
 
-        $input = '';
-        foreach ($this->_choices as $choice) {
-          $idx = array_search($choice, $value);
-          $idx_default = array_search($choice,$default);
+                $checked = ($idx !== false) ? 'checked="checked"' : '';
 
-          $checked = ($idx !== false) ? 'checked="checked"' : '';
+                // ideally this would be handled using a second class of "default", however IE6 does not
+                // correctly support CSS selectors referencing multiple class names on the same element
+                // (e.g. .default.selection).
+                $class = (($idx !== false) == (false !== $idx_default)) ? " selectiondefault" : "";
 
-          // ideally this would be handled using a second class of "default", however IE6 does not
-          // correctly support CSS selectors referencing multiple class names on the same element
-          // (e.g. .default.selection).
-          $class = (($idx !== false) == (false !== $idx_default)) ? " selectiondefault" : "";
+                $prompt = ($plugin->getLang($this->_key.'_'.$choice) ?
+                                $plugin->getLang($this->_key.'_'.$choice) : htmlspecialchars($choice));
 
-          $prompt = ($plugin->getLang($this->_key.'_'.$choice) ?
-                          $plugin->getLang($this->_key.'_'.$choice) : htmlspecialchars($choice));
+                $input .= '<div class="selection'.$class.'">'."\n";
+                $input .= '<label for="config___'.$key.'_'.$choice.'">'.$prompt."</label>\n";
+                $input .= '<input id="config___'.$key.'_'.$choice.'" name="config['.$key.'][]" type="checkbox" class="checkbox" value="'.$choice.'" '.$disable.' '.$checked."/>\n";
+                $input .= "</div>\n";
 
-          $input .= '<div class="selection'.$class.'">'."\n";
-          $input .= '<label for="config___'.$key.'_'.$choice.'">'.$prompt."</label>\n";
-          $input .= '<input id="config___'.$key.'_'.$choice.'" name="config['.$key.'][]" type="checkbox" class="checkbox" value="'.$choice.'" '.$disable.' '.$checked."/>\n";
-          $input .= "</div>\n";
+                // remove this action from the disabledactions array
+                if ($idx !== false) unset($value[$idx]);
+                if ($idx_default !== false) unset($default[$idx_default]);
+            }
 
-          // remove this action from the disabledactions array
-          if ($idx !== false) unset($value[$idx]);
-          if ($idx_default !== false) unset($default[$idx_default]);
-        }
+            // handle any remaining values
+            $other = join(',',$value);
 
-        // handle any remaining values
-        $other = join(',',$value);
+            $class = (count($default == count($value)) && (count($value) == count(array_intersect($value,$default)))) ?
+                            " selectiondefault" : "";
 
-        $class = (count($default == count($value)) && (count($value) == count(array_intersect($value,$default)))) ?
-                        " selectiondefault" : "";
+            $input .= '<div class="other'.$class.'">'."\n";
+            $input .= '<label for="config___'.$key.'_other">'.$plugin->getLang($key.'_other')."</label>\n";
+            $input .= '<input id="config___'.$key.'_other" name="config['.$key.'][other]" type="text" class="edit" value="'.htmlspecialchars($other).'" '.$disable." />\n";
+            $input .= "</div>\n";
 
-        $input .= '<div class="other'.$class.'">'."\n";
-        $input .= '<label for="config___'.$key.'_other">'.$plugin->getLang($key.'_other')."</label>\n";
-        $input .= '<input id="config___'.$key.'_other" name="config['.$key.'][other]" type="text" class="edit" value="'.htmlspecialchars($other).'" '.$disable." />\n";
-        $input .= "</div>\n";
+            $label = '<label>'.$this->prompt($plugin).'</label>';
+            return array($label,$input);
+        }
 
-        $label = '<label>'.$this->prompt($plugin).'</label>';
-        return array($label,$input);
-    }
+        /**
+         * convert comma separated list to an array and combine any complimentary values
+         */
+        function _str2array($str) {
+            $array = explode(',',$str);
+
+            if (!empty($this->_combine)) {
+                foreach ($this->_combine as $key => $combinators) {
+                    $idx = array();
+                    foreach ($combinators as $val) {
+                        if  (($idx[] = array_search($val, $array)) === false) break;
+                    }
+
+                    if (count($idx) && $idx[count($idx)-1] !== false) {
+                        foreach ($idx as $i) unset($array[$i]);
+                        $array[] = $key;
+                    }
+                }
+            }
 
-    /**
-     * convert comma separated list to an array and combine any complimentary values
-     */
-    function _str2array($str) {
-      $array = explode(',',$str);
-
-      if (!empty($this->_combine)) {
-        foreach ($this->_combine as $key => $combinators) {
-          $idx = array();
-          foreach ($combinators as $val) {
-            if  (($idx[] = array_search($val, $array)) === false) break;
-          }
-
-          if (count($idx) && $idx[count($idx)-1] !== false) {
-            foreach ($idx as $i) unset($array[$i]);
-            $array[] = $key;
-          }
+            return $array;
         }
-      }
 
-      return $array;
-    }
+        /**
+         * convert array of values + other back to a comma separated list, incl. splitting any combined values
+         */
+        function _array2str($input) {
 
-    /**
-     * convert array of values + other back to a comma separated list, incl. splitting any combined values
-     */
-    function _array2str($input) {
+            // handle other
+            $other = trim($input['other']);
+            $other = !empty($other) ? explode(',',str_replace(' ','',$input['other'])) : array();
+            unset($input['other']);
 
-      // handle other
-      $other = trim($input['other']);
-      $other = !empty($other) ? explode(',',str_replace(' ','',$input['other'])) : array();
-      unset($input['other']);
+            $array = array_unique(array_merge($input, $other));
 
-      $array = array_unique(array_merge($input, $other));
+            // deconstruct any combinations
+            if (!empty($this->_combine)) {
+                foreach ($this->_combine as $key => $combinators) {
 
-      // deconstruct any combinations
-      if (!empty($this->_combine)) {
-       foreach ($this->_combine as $key => $combinators) {
+                    $idx = array_search($key,$array);
+                    if ($idx !== false) {
+                        unset($array[$idx]);
+                        $array = array_merge($array, $combinators);
+                    }
+                }
+            }
 
-          $idx = array_search($key,$array);
-          if ($idx !== false) {
-            unset($array[$idx]);
-            $array = array_merge($array, $combinators);
-          }
+            return join(',',array_unique($array));
         }
-      }
-
-      return join(',',array_unique($array));
     }
-  }
 }
 
 if (!class_exists('setting_regex')){
-   class setting_regex extends setting_string {
+    class setting_regex extends setting_string {
 
         var $_delimiter = '/';    // regex delimiter to be used in testing input
         var $_pregflags = 'ui';   // regex pattern modifiers to be used in testing input
diff --git a/lib/plugins/config/settings/extra.class.php b/lib/plugins/config/settings/extra.class.php
index e4b97eb01..954178bc1 100644
--- a/lib/plugins/config/settings/extra.class.php
+++ b/lib/plugins/config/settings/extra.class.php
@@ -6,204 +6,204 @@
  */
 
 if (!class_exists('setting_sepchar')) {
-  class setting_sepchar extends setting_multichoice {
+    class setting_sepchar extends setting_multichoice {
 
-    function setting_sepchar($key,$param=NULL) {
-        $str = '_-.';
-        for ($i=0;$i<strlen($str);$i++) $this->_choices[] = $str{$i};
+        function setting_sepchar($key,$param=NULL) {
+            $str = '_-.';
+            for ($i=0;$i<strlen($str);$i++) $this->_choices[] = $str{$i};
 
-        // call foundation class constructor
-        $this->setting($key,$param);
+            // call foundation class constructor
+            $this->setting($key,$param);
+        }
     }
-  }
 }
 
 if (!class_exists('setting_savedir')) {
-  class setting_savedir extends setting_string {
+    class setting_savedir extends setting_string {
 
-    function update($input) {
-        if ($this->is_protected()) return false;
+        function update($input) {
+            if ($this->is_protected()) return false;
 
-        $value = is_null($this->_local) ? $this->_default : $this->_local;
-        if ($value == $input) return false;
+            $value = is_null($this->_local) ? $this->_default : $this->_local;
+            if ($value == $input) return false;
 
-        if (!init_path($input)) {
-          $this->_error = true;
-          $this->_input = $input;
-          return false;
-        }
+            if (!init_path($input)) {
+                $this->_error = true;
+                $this->_input = $input;
+                return false;
+            }
 
-        $this->_local = $input;
-        return true;
+            $this->_local = $input;
+            return true;
+        }
     }
-  }
 }
 
 if (!class_exists('setting_authtype')) {
-  class setting_authtype extends setting_multichoice {
+    class setting_authtype extends setting_multichoice {
 
-    function initialize($default,$local,$protected) {
-        global $plugin_controller;
+        function initialize($default,$local,$protected) {
+            global $plugin_controller;
 
-        // retrieve auth types provided by plugins
-        foreach ($plugin_controller->getList('auth') as $plugin) {
-            $this->_choices[] = $plugin;
-        }
-
-        parent::initialize($default,$local,$protected);
-    }
-
-    function update($input) {
-        global $plugin_controller;
-
-        // is an update possible/requested?
-        $local = $this->_local;                       // save this, parent::update() may change it
-        if (!parent::update($input)) return false;    // nothing changed or an error caught by parent
-        $this->_local = $local;                       // restore original, more error checking to come
-
-        // attempt to load the plugin
-        $auth_plugin = $plugin_controller->load('auth', $input);
-
-        // @TODO: throw an error in plugin controller instead of returning null
-        if (is_null($auth_plugin)) {
-            $this->_error = true;
-            msg('Cannot load Auth Plugin "' . $input . '"', -1);
-            return false;
-        }
+            // retrieve auth types provided by plugins
+            foreach ($plugin_controller->getList('auth') as $plugin) {
+                $this->_choices[] = $plugin;
+            }
 
-        // verify proper instantiation (is this really a plugin?) @TODO use instanceof? implement interface?
-        if (is_object($auth_plugin) && !method_exists($auth_plugin, 'getPluginName')) {
-            $this->_error = true;
-            msg('Cannot create Auth Plugin "' . $input . '"', -1);
-            return false;
+            parent::initialize($default,$local,$protected);
         }
 
-        // did we change the auth type? logout
-        global $conf;
-        if($conf['authtype'] != $input) {
-            msg('Authentication system changed. Please re-login.');
-            auth_logoff();
+        function update($input) {
+            global $plugin_controller;
+
+            // is an update possible/requested?
+            $local = $this->_local;                       // save this, parent::update() may change it
+            if (!parent::update($input)) return false;    // nothing changed or an error caught by parent
+            $this->_local = $local;                       // restore original, more error checking to come
+
+            // attempt to load the plugin
+            $auth_plugin = $plugin_controller->load('auth', $input);
+
+            // @TODO: throw an error in plugin controller instead of returning null
+            if (is_null($auth_plugin)) {
+                $this->_error = true;
+                msg('Cannot load Auth Plugin "' . $input . '"', -1);
+                return false;
+            }
+
+            // verify proper instantiation (is this really a plugin?) @TODO use instanceof? implement interface?
+            if (is_object($auth_plugin) && !method_exists($auth_plugin, 'getPluginName')) {
+                $this->_error = true;
+                msg('Cannot create Auth Plugin "' . $input . '"', -1);
+                return false;
+            }
+
+            // did we change the auth type? logout
+            global $conf;
+            if($conf['authtype'] != $input) {
+                msg('Authentication system changed. Please re-login.');
+                auth_logoff();
+            }
+
+            $this->_local = $input;
+            return true;
         }
-
-        $this->_local = $input;
-        return true;
     }
-  }
 }
 
 if (!class_exists('setting_im_convert')) {
-  class setting_im_convert extends setting_string {
+    class setting_im_convert extends setting_string {
 
-    function update($input) {
-        if ($this->is_protected()) return false;
+        function update($input) {
+            if ($this->is_protected()) return false;
 
-        $input = trim($input);
+            $input = trim($input);
 
-        $value = is_null($this->_local) ? $this->_default : $this->_local;
-        if ($value == $input) return false;
+            $value = is_null($this->_local) ? $this->_default : $this->_local;
+            if ($value == $input) return false;
 
-        if ($input && !@file_exists($input)) {
-          $this->_error = true;
-          $this->_input = $input;
-          return false;
-        }
+            if ($input && !@file_exists($input)) {
+                $this->_error = true;
+                $this->_input = $input;
+                return false;
+            }
 
-        $this->_local = $input;
-        return true;
+            $this->_local = $input;
+            return true;
+        }
     }
-  }
 }
 
 if (!class_exists('setting_disableactions')) {
-  class setting_disableactions extends setting_multicheckbox {
+    class setting_disableactions extends setting_multicheckbox {
 
-    function html(&$plugin, $echo=false) {
-        global $lang;
+        function html(&$plugin, $echo=false) {
+            global $lang;
 
-        // make some language adjustments (there must be a better way)
-        // transfer some DokuWiki language strings to the plugin
-        if (!$plugin->localised) $this->setupLocale();
-        $plugin->lang[$this->_key.'_revisions'] = $lang['btn_revs'];
+            // make some language adjustments (there must be a better way)
+            // transfer some DokuWiki language strings to the plugin
+            if (!$plugin->localised) $this->setupLocale();
+            $plugin->lang[$this->_key.'_revisions'] = $lang['btn_revs'];
 
-        foreach ($this->_choices as $choice)
-          if (isset($lang['btn_'.$choice])) $plugin->lang[$this->_key.'_'.$choice] = $lang['btn_'.$choice];
+            foreach ($this->_choices as $choice)
+              if (isset($lang['btn_'.$choice])) $plugin->lang[$this->_key.'_'.$choice] = $lang['btn_'.$choice];
 
-        return parent::html($plugin, $echo);
+            return parent::html($plugin, $echo);
+        }
     }
-  }
 }
 
 if (!class_exists('setting_compression')) {
-  class setting_compression extends setting_multichoice {
+    class setting_compression extends setting_multichoice {
 
-    var $_choices = array('0');      // 0 = no compression, always supported
+        var $_choices = array('0');      // 0 = no compression, always supported
 
-    function initialize($default,$local,$protected) {
+        function initialize($default,$local,$protected) {
 
-      // populate _choices with the compression methods supported by this php installation
-      if (function_exists('gzopen')) $this->_choices[] = 'gz';
-      if (function_exists('bzopen')) $this->_choices[] = 'bz2';
+            // populate _choices with the compression methods supported by this php installation
+            if (function_exists('gzopen')) $this->_choices[] = 'gz';
+            if (function_exists('bzopen')) $this->_choices[] = 'bz2';
 
-      parent::initialize($default,$local,$protected);
+            parent::initialize($default,$local,$protected);
+        }
     }
-  }
 }
 
 if (!class_exists('setting_license')) {
-  class setting_license extends setting_multichoice {
+    class setting_license extends setting_multichoice {
 
-    var $_choices = array('');      // none choosen
+        var $_choices = array('');      // none choosen
 
-    function initialize($default,$local,$protected) {
-      global $license;
+        function initialize($default,$local,$protected) {
+            global $license;
 
-      foreach($license as $key => $data){
-        $this->_choices[] = $key;
-        $this->lang[$this->_key.'_o_'.$key] = $data['name'];
-      }
+            foreach($license as $key => $data){
+                $this->_choices[] = $key;
+                $this->lang[$this->_key.'_o_'.$key] = $data['name'];
+            }
 
-      parent::initialize($default,$local,$protected);
+            parent::initialize($default,$local,$protected);
+        }
     }
-  }
 }
 
 
 if (!class_exists('setting_renderer')) {
-  class setting_renderer extends setting_multichoice {
-    var $_prompts = array();
+    class setting_renderer extends setting_multichoice {
+        var $_prompts = array();
 
-    function initialize($default,$local,$protected) {
-      $format = $this->_format;
+        function initialize($default,$local,$protected) {
+            $format = $this->_format;
 
-      foreach (plugin_list('renderer') as $plugin) {
-        $renderer =& plugin_load('renderer',$plugin);
-        if (method_exists($renderer,'canRender') && $renderer->canRender($format)) {
-          $this->_choices[] = $plugin;
+            foreach (plugin_list('renderer') as $plugin) {
+                $renderer =& plugin_load('renderer',$plugin);
+                if (method_exists($renderer,'canRender') && $renderer->canRender($format)) {
+                    $this->_choices[] = $plugin;
 
-          $info = $renderer->getInfo();
-          $this->_prompts[$plugin] = $info['name'];
-        }
-      }
-
-      parent::initialize($default,$local,$protected);
-    }
+                    $info = $renderer->getInfo();
+                    $this->_prompts[$plugin] = $info['name'];
+                }
+            }
 
-    function html(&$plugin, $echo=false) {
-
-      // make some language adjustments (there must be a better way)
-      // transfer some plugin names to the config plugin
-      if (!$plugin->localised) $this->setupLocale();
+            parent::initialize($default,$local,$protected);
+        }
 
-      foreach ($this->_choices as $choice) {
-        if (!isset($plugin->lang[$this->_key.'_o_'.$choice])) {
-          if (!isset($this->_prompts[$choice])) {
-            $plugin->lang[$this->_key.'_o_'.$choice] = sprintf($plugin->lang['renderer__core'],$choice);
-          } else {
-            $plugin->lang[$this->_key.'_o_'.$choice] = sprintf($plugin->lang['renderer__plugin'],$this->_prompts[$choice]);
-          }
+        function html(&$plugin, $echo=false) {
+
+            // make some language adjustments (there must be a better way)
+            // transfer some plugin names to the config plugin
+            if (!$plugin->localised) $this->setupLocale();
+
+            foreach ($this->_choices as $choice) {
+                if (!isset($plugin->lang[$this->_key.'_o_'.$choice])) {
+                    if (!isset($this->_prompts[$choice])) {
+                        $plugin->lang[$this->_key.'_o_'.$choice] = sprintf($plugin->lang['renderer__core'],$choice);
+                    } else {
+                        $plugin->lang[$this->_key.'_o_'.$choice] = sprintf($plugin->lang['renderer__plugin'],$this->_prompts[$choice]);
+                    }
+                }
+            }
+            return parent::html($plugin, $echo);
         }
-      }
-      return parent::html($plugin, $echo);
     }
-  }
 }