Index: openacs-4/packages/bug-tracker/tcl/bug-tracker-procs.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/bug-tracker/tcl/bug-tracker-procs.tcl,v
diff -u -N -r1.45 -r1.46
--- openacs-4/packages/bug-tracker/tcl/bug-tracker-procs.tcl	23 Jun 2015 16:05:05 -0000	1.45
+++ openacs-4/packages/bug-tracker/tcl/bug-tracker-procs.tcl	24 Jun 2015 09:29:44 -0000	1.46
@@ -124,8 +124,8 @@
         f_state:integer,optional
         f_fix_for_version:integer,optional
         f_component:integer,optional
-        orderby:optional
-        {format "table"}
+        orderby:token,optional
+        {format:word "table"}
     }
     foreach { parent_id parent_heading } [bug_tracker::category_types] {
         lappend filter_vars "f_category_$parent_id:naturalnum,optional"