Index: openacs-4/packages/dotlrn-homework/www/folder-contents.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/dotlrn-homework/www/folder-contents.tcl,v
diff -u -N -r1.4.12.3 -r1.4.12.4
--- openacs-4/packages/dotlrn-homework/www/folder-contents.tcl	23 Aug 2014 13:01:26 -0000	1.4.12.3
+++ openacs-4/packages/dotlrn-homework/www/folder-contents.tcl	10 Sep 2014 08:17:29 -0000	1.4.12.4
@@ -28,7 +28,7 @@
 
 # Make sure our visitor can read and write to the folder.
 if { ![permission::permission_p -object_id $folder_id -privilege "read"] } {
-    ad_return -error
+    return -code error "visitor can't read folder"
 }
 
 set list_of_folder_ids [list $folder_id]