Index: openacs-4/packages/xowf/tcl/xowf-procs.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/xowf/tcl/xowf-procs.tcl,v
diff -u -N -r1.28.2.28 -r1.28.2.29
--- openacs-4/packages/xowf/tcl/xowf-procs.tcl	21 Mar 2020 09:34:05 -0000	1.28.2.28
+++ openacs-4/packages/xowf/tcl/xowf-procs.tcl	25 Mar 2020 16:23:17 -0000	1.28.2.29
@@ -2060,22 +2060,34 @@
     return [array names visited]
   }
 
-  WorkflowPage ad_instproc get_revision_sets {} {
+  WorkflowPage ad_instproc get_revision_sets {-with_instance_attributes:switch} {
 
     Return a list of ns_sets containing revision_id, creation_date,
     creation_user, creation_ip, and state for the current workflow
     instance.
 
   } {
     set item_id ${:item_id}
-    set revision_sets [::xo::dc sets -prepare integer wf_revisions {
-      SELECT revision_id, creation_date, creation_user, creation_ip, state, assignee
-      FROM cr_revisions cr, acs_objects o, xowiki_form_page x
-      WHERE cr.item_id = :item_id
-      AND   o.object_id = cr.revision_id
-      AND   x.xowiki_form_page_id = cr.revision_id
-      ORDER BY cr.revision_id ASC
-    }]
+    if {$with_instance_attributes} {
+      set revision_sets [::xo::dc sets -prepare integer wf_revisions {
+        SELECT revision_id, creation_date, creation_user, creation_ip, state, assignee, instance_attributes
+        FROM cr_revisions cr, acs_objects o, xowiki_form_page x, xowiki_page_instance pi
+        WHERE cr.item_id = :item_id
+        AND   o.object_id = cr.revision_id
+        AND   x.xowiki_form_page_id = cr.revision_id
+        AND   pi.page_instance_id = cr.revision_id
+        ORDER BY cr.revision_id ASC
+      }]
+    } else {
+      set revision_sets [::xo::dc sets -prepare integer wf_revisions {
+        SELECT revision_id, creation_date, creation_user, creation_ip, state, assignee
+        FROM cr_revisions cr, acs_objects o, xowiki_form_page x
+        WHERE cr.item_id = :item_id
+        AND   o.object_id = cr.revision_id
+        AND   x.xowiki_form_page_id = cr.revision_id
+        ORDER BY cr.revision_id ASC
+      }]
+    }
     return $revision_sets
   }