Index: openacs-4/packages/xowiki/tcl/xowiki-www-procs.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/xowiki/tcl/xowiki-www-procs.tcl,v
diff -u -r1.113 -r1.114
--- openacs-4/packages/xowiki/tcl/xowiki-www-procs.tcl	21 Nov 2007 11:49:45 -0000	1.113
+++ openacs-4/packages/xowiki/tcl/xowiki-www-procs.tcl	21 Nov 2007 19:11:31 -0000	1.114
@@ -62,7 +62,10 @@
     append footer [my include my-references] 
     
     if {[$package_id get_parameter "show_per_object_categories" 1]} {
-      append footer [my include my-categories]  <br>
+      set html [my include my-categories]
+      if {$html ne ""} {
+	append footer $html <br>
+      }
       set categories_includelet [my set __last_includelet]
     }