diff --git a/syntax.php b/syntax.php
index 851d4a3..9554bc1 100644
--- a/syntax.php
+++ b/syntax.php
@@ -7,130 +7,138 @@
  */
 
 // must be run within DokuWiki
-if (!defined ('DOKU_INC')) die();
+if (!defined('DOKU_INC')) die();
 
-if (!defined ('DOKU_PLUGIN')) define('DOKU_PLUGIN', DOKU_INC . 'lib/plugins/');
+if (!defined('DOKU_PLUGIN')) define('DOKU_PLUGIN', DOKU_INC . 'lib/plugins/');
 require_once DOKU_PLUGIN . 'syntax.php';
 
 // TODO migrate this to composer
-require_once dirname (__FILE__) . DIRECTORY_SEPARATOR . 'objectrepresentation' . DIRECTORY_SEPARATOR . 'DokuWikiObjectRepresentation.class.php';
+require_once dirname(__FILE__) . DIRECTORY_SEPARATOR . 'objectrepresentation' . DIRECTORY_SEPARATOR . 'DokuWikiObjectRepresentation.class.php';
 
 /**
  * All DokuWiki plugins to extend the parser/rendering mechanism
  * need to inherit from this class
  */
-class syntax_plugin_navigation extends DokuWiki_Syntax_Plugin {
+class syntax_plugin_navigation extends DokuWiki_Syntax_Plugin
+{
 
-  // TODO add a config option for this
-  private $maxDepth = 3;
-  private $depth = 0;
+    // TODO add a config option for this
+    private $maxDepth = 3;
+    private $depth = 0;
 
-  function getInfo () {
-    return array ('author' => 'Tim Schumacher',
-      'email' => 'tim@bandenkrieg.hacked.jp',
-      'date' => '2013-11-12',
-      'name' => 'Navigation',
-      'desc' => 'A Navigation that uses the object representation class',
-      'url' => 'https://bk-dev.hacked.jp/project/view/3/');
-  }
-
-  function getType () {
-    return 'substition';
-  }
-
-  function getSort () {
-    return 32;
-  }
-
-  function connectTo ($mode) {
-    $this->Lexer->addSpecialPattern('{{indexmenu_n>.+?}}',$mode,'plugin_navigation');
-    $this->Lexer->addSpecialPattern ('\[Navigation\]', $mode, 'plugin_navigation');
-  }
-
-  function handle ($match, $state, $pos, &$handler) {
-    return array ($match, $state, $pos);
-  }
-
-  function render ($mode, &$renderer, $data) {
-    if (preg_match('/{{indexmenu_n>(\d+)}}/',$data[0],$matches)) {
-      global $ACT, $INFO;
-      if($INFO['isadmin'] && $ACT == 'show') {
-          ptln('<div class="info">');
-          ptln('Sortorder for this node: '.$matches[1]);
-          ptln('</div>');
-      }
-      return false;
-    }
-    $iter = new DokuWikiIterator();
-
-    $iter->all(function(DokuWikiNode $node) {
-      if (preg_match('/{{indexmenu_n>(\d+)}}/',$node->getContent(),$matches)) {
-        $node->setMetaData('sortorder',$matches[1]);
-      } else {
-        $node->setMetaData('sortorder',9999999);
-      }
-    });
-
-    $iter->all(function(DokuWikiNode $node){
-      if ($node instanceof DokuWikiNameSpace) {
-        $node->nodes->uasort(function(DokuWikiNode $a,DokuWikiNode $b){
-          if ($a->getMetaData('sortorder') == $b->getMetaData('sortorder')) {
-            return 0;
-          }
-          return ($a->getMetaData('sortorder') < $b->getMetaData('sortorder')) ? -1 : 1;
-        });
-      }
-    });
-
-    $root = $iter->getRoot();
-    $content = '';
-    if ($root instanceof DokuWikiNameSpace) {
-      $nodes = $root->getNodes();
-      if ($nodes->count() > 0) {
-        $content .= '<ul>';
-        $content .= $this->RenderNodes($root);
-        $content .= '</ul>';
-      }
+    function getInfo()
+    {
+        return array('author' => 'Tim Schumacher',
+            'email' => 'tim@bandenkrieg.hacked.jp',
+            'date' => '2013-11-12',
+            'name' => 'Navigation',
+            'desc' => 'A Navigation that uses the object representation class',
+            'url' => 'https://bk-dev.hacked.jp/project/view/3/');
     }
 
-    // $data is what the function handle return'ed.
-    if ($mode == 'xhtml') {
-      $renderer->doc .= $content;
-      return true;
+    function getType()
+    {
+        return 'substition';
     }
-    return false;
-  }
 
-  private function RenderNodes(DokuWikiNameSpace $node) {
-    $this->depth++;
-    $output = '';
-    foreach ($node->getNodes() as $node) {
-      /** @var DokuWikiNode $node */
-      if ($node->getName() == 'start')
-        continue;
-      $title = (strlen($node->getMetaData('title')) > 0 ? $node->getMetaData('title') : $node->getName());
-      $access = auth_quickaclcheck($node->getFullID());
-      if ($node instanceof DokuWikiPage) {
-        if ($access > 0) {
-          $output .= '<li><a href="' . wl($node->getFullID()) . '">' . $title . '</a></li>' . PHP_EOL;
-        }
+    function getSort()
+    {
+        return 32;
+    }
 
-      } else if($node instanceof DokuWikiNameSpace) {
-        /** @var DokuWikiNameSpace $node */
-        if ($this->depth <= $this->maxDepth) {
-          if ($access > 0) {
-            // lets check if the the namespace has a startpage and if yes link to it
-            if ($start = $node->hasChild('start')) {
-              $access = auth_quickaclcheck($start->getFullID());
-              if ($access > 0) {
-                $title = '<a href="' . wl($start->getFullID()) . '">' . (strlen($node->getMetaData('title')) > 0 ? $node->getMetaData('title') : $node->getName()) . '</a>';
-              }
+    function connectTo($mode)
+    {
+        $this->Lexer->addSpecialPattern('{{indexmenu_n>.+?}}', $mode, 'plugin_navigation');
+        $this->Lexer->addSpecialPattern('\[Navigation\]', $mode, 'plugin_navigation');
+    }
+
+    function handle($match, $state, $pos, &$handler)
+    {
+        return array($match, $state, $pos);
+    }
+
+    function render($mode, &$renderer, $data)
+    {
+        if (preg_match('/{{indexmenu_n>(\d+)}}/', $data[0], $matches)) {
+            global $ACT, $INFO;
+            if ($INFO['isadmin'] && $ACT == 'show') {
+                ptln('<div class="info">');
+                ptln('Sortorder for this node: ' . $matches[1]);
+                ptln('</div>');
             }
-            $output .= '<li>' . $title . '<ul>' . $this->RenderNodes($node) . '</ul></li>' . PHP_EOL;
-          }
+            return false;
         }
-      }
+        $iter = new DokuWikiIterator();
+
+        $iter->all(function (DokuWikiNode $node) {
+            if (preg_match('/{{indexmenu_n>(\d+)}}/', $node->getContent(), $matches)) {
+                $node->setMetaData('sortorder', $matches[1]);
+            } else {
+                $node->setMetaData('sortorder', 9999999);
+            }
+        });
+
+        $iter->all(function (DokuWikiNode $node) {
+            if ($node instanceof DokuWikiNameSpace) {
+                $node->nodes->uasort(function (DokuWikiNode $a, DokuWikiNode $b) {
+                    if ($a->getMetaData('sortorder') == $b->getMetaData('sortorder')) {
+                        return 0;
+                    }
+                    return ($a->getMetaData('sortorder') < $b->getMetaData('sortorder')) ? -1 : 1;
+                });
+            }
+        });
+
+        $root = $iter->getRoot();
+        $content = '';
+        if ($root instanceof DokuWikiNameSpace) {
+            $nodes = $root->getNodes();
+            if ($nodes->count() > 0) {
+                $content .= '<ul>';
+                $content .= $this->RenderNodes($root);
+                $content .= '</ul>';
+            }
+        }
+
+        // $data is what the function handle return'ed.
+        if ($mode == 'xhtml') {
+            $renderer->doc .= $content;
+            return true;
+        }
+        return false;
+    }
+
+    private function RenderNodes(DokuWikiNameSpace $node)
+    {
+        $this->depth++;
+        $output = '';
+        foreach ($node->getNodes() as $node) {
+            /** @var DokuWikiNode $node */
+            if ($node->getName() == 'start')
+                continue;
+            $title = (strlen($node->getMetaData('title')) > 0 ? $node->getMetaData('title') : $node->getName());
+            $access = auth_quickaclcheck($node->getFullID());
+            if ($node instanceof DokuWikiPage) {
+                if ($access > 0) {
+                    $output .= '<li><a href="' . wl($node->getFullID()) . '">' . $title . '</a></li>' . PHP_EOL;
+                }
+
+            } else if ($node instanceof DokuWikiNameSpace) {
+                /** @var DokuWikiNameSpace $node */
+                if ($this->depth <= $this->maxDepth) {
+                    if ($access > 0) {
+                        // lets check if the the namespace has a startpage and if yes link to it
+                        if ($start = $node->hasChild('start')) {
+                            $access = auth_quickaclcheck($start->getFullID());
+                            if ($access > 0) {
+                                $title = '<a href="' . wl($start->getFullID()) . '">' . (strlen($node->getMetaData('title')) > 0 ? $node->getMetaData('title') : $node->getName()) . '</a>';
+                            }
+                        }
+                        $output .= '<li>' . $title . '<ul>' . $this->RenderNodes($node) . '</ul></li>' . PHP_EOL;
+                    }
+                }
+            }
+        }
+        return $output;
     }
-    return $output;
-  }
 }
\ No newline at end of file