Index: openacs-4/packages/xowiki/tcl/includelet-procs.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/xowiki/tcl/includelet-procs.tcl,v
diff -u -r1.156 -r1.157
--- openacs-4/packages/xowiki/tcl/includelet-procs.tcl	4 Jul 2010 16:52:56 -0000	1.156
+++ openacs-4/packages/xowiki/tcl/includelet-procs.tcl	5 Jul 2010 09:19:26 -0000	1.157
@@ -3345,6 +3345,14 @@
     }
     #my msg fc=$form_constraints
 
+    # 
+    # The internal variables (instance attributes, etc) are prefixed
+    # with an underscore. Therefore, we prefix here "orderby" as
+    # well. For the provided table properties, prefixing happens in
+    # the loop below.
+    #
+    set orderby _$orderby
+
     # load table properties; order_by won't work due to comma, but solve that later (TODO)
     set table_properties [::xowiki::PageInstance get_list_from_form_constraints \
                               -name @table_properties \
@@ -3361,7 +3369,6 @@
         default {error "unknown table property '$attr' provided"}
       }
     }
-    set orderby _$orderby
 
     if {![info exists field_names]} {
       set fn [::xowiki::PageInstance get_short_spec_from_form_constraints \