- Patch #104882 by dww: fixing forum topic teasers.

modules/forum/forum.module

@@ -308,10 +308,12 @@ function forum_view(&$node, $teaser = FALSE, $page = FALSE) {
   }
 
   $node = node_prepare($node, $teaser);
-  $node->content['forum_navigation'] = array(
-    '#value' => theme('forum_topic_navigation', $node),
-    '#weight' => 100,
-  );
+  if (!$teaser) {
+    $node->content['forum_navigation'] = array(
+      '#value' => theme('forum_topic_navigation', $node),
+      '#weight' => 100,
+    );
+  }
   return $node;
 }