Index: mod/forum/discuss.php
===================================================================
RCS file: /cvsroot/moodle/moodle/mod/forum/discuss.php,v
retrieving revision 1.134
diff -u -r1.134 discuss.php
--- mod/forum/discuss.php	17 Jan 2009 19:14:37 -0000	1.134
+++ mod/forum/discuss.php	19 Jan 2009 14:01:25 -0000
@@ -70,6 +70,9 @@
             print_error('cannotmovenotvisible', 'forum', $return);
         }
 
+        require_capability('mod/forum:startdiscussion',
+            get_context_instance(CONTEXT_MODULE,$cmto->id));
+
         if (!forum_move_attachments($discussion, $forum->id, $forumto->id)) {
             notify("Errors occurred while moving attachment directories - check your file permissions");
         }
@@ -191,7 +194,8 @@
             $section = -1;
             $forummenu = array();
             foreach ($modinfo->instances['forum'] as $forumcm) {
-                if (!$forumcm->uservisible) {
+                if (!$forumcm->uservisible || !has_capability('mod/forum:startdiscussion',
+                    get_context_instance(CONTEXT_MODULE,$forumcm->id))) {
                     continue;
                 }