Index: openacs-4/packages/categories/www/categories-browse.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/categories/www/categories-browse.tcl,v
diff -u -r1.14.2.3 -r1.14.2.4
--- openacs-4/packages/categories/www/categories-browse.tcl	10 Mar 2021 13:16:15 -0000	1.14.2.3
+++ openacs-4/packages/categories/www/categories-browse.tcl	10 Mar 2021 13:21:39 -0000	1.14.2.4
@@ -19,7 +19,6 @@
     page_title:onevalue
     context_bar:onevalue
     trees:multirow
-    url_vars:onevalue
     form_vars:onevalue
     object_count:onevalue
     page_count:onevalue
@@ -36,7 +35,6 @@
 set page_title "Browse categories"
 
 set context_bar [list "Browse categories"]
-set url_vars [export_vars {tree_ids:multiple category_ids:multiple subtree_p letter join package_id}]
 set form_vars [export_vars -form {tree_ids:multiple orderby subtree_p letter package_id}]
 
 set tree_ids [db_list check_permissions_on_trees [subst {
@@ -61,7 +59,13 @@
 	if {$level>1} {
 	    set indent "[string repeat " " [expr {2*$level -4}]].."
 	}
-	template::multirow append trees $tree_id $tree_name $category_id $category_name $indent [info exists category_selected($category_id)]
+	template::multirow append trees \
+            $tree_id \
+            $tree_name \
+            $category_id \
+            $category_name \
+            $indent \
+            [info exists category_selected($category_id)]
     }
 }