1 files changed, 3 insertions, 3 deletions

diff --git a/syntax.php b/syntax.php
index 779b40d..d3cc9f2 100644
--- a/syntax.php
+++ b/syntax.php
@@ -8,13 +8,13 @@ if(!defined('DOKU_PLUGIN')) define('DOKU_PLUGIN',DOKU_INC.'lib/plugins/');
 require_once DOKU_PLUGIN.'syntax.php';
      
 class syntax_plugin_treenav extends DokuWiki_Syntax_Plugin {     
-    private $keys = array('icon', 'title');
+    var $_keys = array('icon', 'title');
 
     function getType() { return 'baseonly'; }    
     function getSort() { return 32; }
    
     function connectTo($mode) {
-        foreach ($this->keys as $key) {
+        foreach ($this->_keys as $key) {
             $this->Lexer->addSpecialPattern('~~'.$key.':.*?~~',$mode,'plugin_treenav');
         }
     }
@@ -24,7 +24,7 @@ class syntax_plugin_treenav extends DokuWiki_Syntax_Plugin {
         case DOKU_LEXER_SPECIAL:
             $match = substr($match, 2, -2);
             @list($key, $value) = explode(':', $match, 2);
-            if (in_array($key, $this->keys)) {
+            if (in_array($key, $this->_keys)) {
                 return array($key, $value);
             }
         }