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 -r1.64 -r1.65
--- openacs-4/packages/xowiki/tcl/includelet-procs.tcl	10 Oct 2008 07:39:35 -0000	1.64
+++ openacs-4/packages/xowiki/tcl/includelet-procs.tcl	10 Oct 2008 16:53:47 -0000	1.65
@@ -2793,15 +2793,23 @@
       set fn [::xowiki::PageInstance get_short_spec_from_form_constraints \
                   -name @table \
                   -form_constraints $form_constraints]
-      set field_names [split $fn ,]
+      set raw_field_names [split $fn ,]
     } elseif {[string match "*,*" $field_names] } {
-      set field_names [split $field_names ,]
+      set raw_field_names [split $field_names ,]
     }
 
-    if {$field_names eq ""} {
-      set field_names {_name _last_modified _creation_user}
+    if {$raw_field_names eq ""} {
+      set raw_field_names {_name _last_modified _creation_user}
     }
 
+    # finally, evaluate conditions if included
+    set field_names [list]
+    foreach f $raw_field_names {
+      set _ [string trim [::xowiki::formfield::FormField get_single_spec \
+			      -package_id $package_id $f]]
+      if {$_ ne ""} {lappend field_names $_}
+    }
+
     set form_fields [::xowiki::FormPage get_table_form_fields \
                           -base_item $form_item \
                           -field_names $field_names \