diff --git a/inc/parser/metadata.php b/inc/parser/metadata.php
index 25bf3fe3df1a5f4efbaf2135a68e7935bae643c6..313b70df596614139fc1fe767015afb6fd0f9b1d 100644
--- a/inc/parser/metadata.php
+++ b/inc/parser/metadata.php
@@ -251,8 +251,9 @@ class Doku_Renderer_metadata extends Doku_Renderer {
      * Open a list item
      *
      * @param int $level the nesting level
+     * @param bool $node true when a node; false when a leaf
      */
-    function listitem_open($level) {
+    function listitem_open($level,$node=false) {
         $this->cdata(str_repeat(DOKU_TAB, $level).'* ');
     }
 
diff --git a/inc/parser/renderer.php b/inc/parser/renderer.php
index 09294539e4538d5c06fbef02cb5cca0a604e33ae..668b617d1f467f9ee96a0185b4af46727f27578e 100644
--- a/inc/parser/renderer.php
+++ b/inc/parser/renderer.php
@@ -343,8 +343,9 @@ class Doku_Renderer extends DokuWiki_Plugin {
      * Open a list item
      *
      * @param int $level the nesting level
+     * @param bool $node true when a node; false when a leaf
      */
-    function listitem_open($level) {
+    function listitem_open($level,$node=false) {
     }
 
     /**
diff --git a/inc/parser/xhtml.php b/inc/parser/xhtml.php
index 3a2e491559d6d2121256f83fa96584fbd745dc9f..b73e3a881f17cddbd74e43cc6be45c7f9aafd13c 100644
--- a/inc/parser/xhtml.php
+++ b/inc/parser/xhtml.php
@@ -456,9 +456,11 @@ class Doku_Renderer_xhtml extends Doku_Renderer {
      * Open a list item
      *
      * @param int $level the nesting level
+     * @param bool $node true when a node; false when a leaf
      */
-    function listitem_open($level) {
-        $this->doc .= '<li class="level'.$level.'">';
+    function listitem_open($level, $node=false) {
+        $branching = $node ? ' node' : '';
+        $this->doc .= '<li class="level'.$level.$branching.'">';
     }
 
     /**