Index: openacs-4/packages/xowiki/tcl/xowiki-procs.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/xowiki/tcl/xowiki-procs.tcl,v
diff -u -r1.314 -r1.314.2.1
--- openacs-4/packages/xowiki/tcl/xowiki-procs.tcl	17 Nov 2008 17:02:31 -0000	1.314
+++ openacs-4/packages/xowiki/tcl/xowiki-procs.tcl	30 Dec 2008 16:21:57 -0000	1.314.2.1
@@ -1366,6 +1366,7 @@
     if {[my exists page_order]} {
       set page_order [string trim $value " ."]
       my page_order $page_order
+      return [expr {![regexp {[^0-9a-zA-Z_]} $page_order]}]
     }
     return 1
   }