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 -r1.96 -r1.97
--- openacs-4/packages/xowiki/tcl/includelet-procs.tcl	8 Feb 2009 13:15:35 -0000	1.96
+++ openacs-4/packages/xowiki/tcl/includelet-procs.tcl	8 Feb 2009 13:19:13 -0000	1.97
@@ -657,7 +657,9 @@
   categories instproc category_tree_missing {{-name ""} -edit_html} {
     # todo i18n
     if {$name eq ""} {
-      set msg "No category tree found."
+      #set msg "No category tree found."
+      # maybe it is better to stay quiet in case, no category name was provided
+      set msg ""
     } else {
       set msg "No category tree with name '$name' found."
     }