Index: openacs-4/packages/xowiki/tcl/notification-procs.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/xowiki/tcl/notification-procs.tcl,v
diff -u -r1.24 -r1.25
--- openacs-4/packages/xowiki/tcl/notification-procs.tcl	3 Sep 2024 15:37:55 -0000	1.24
+++ openacs-4/packages/xowiki/tcl/notification-procs.tcl	8 Oct 2024 15:16:27 -0000	1.25
@@ -177,8 +177,7 @@
 
     foreach cat_id [category::get_mapped_categories [$page set item_id] ] {
       set tree_id [category::get_tree $cat_id]
-      array unset cat
-      array unset label
+      unset -nocomplain cat label
       foreach category_info [::xowiki::Category get_category_infos \
                                  -tree_id $tree_id] {
         lassign $category_info category_id category_label deprecated_p level