Index: openacs-4/packages/xowiki/tcl/weblog-procs.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/xowiki/tcl/weblog-procs.tcl,v
diff -u -N -r1.75.2.5 -r1.75.2.6
--- openacs-4/packages/xowiki/tcl/weblog-procs.tcl	8 Mar 2019 16:14:21 -0000	1.75.2.5
+++ openacs-4/packages/xowiki/tcl/weblog-procs.tcl	8 Mar 2019 18:51:07 -0000	1.75.2.6
@@ -35,7 +35,11 @@
      } {
     set form_item_ids [list]
     foreach t [split $forms |] {
-      if {![regexp {^/?[[:alnum:]:._-]+$} $t]} {
+      #
+      # The following regexp should include the majority of alid
+      # items refs.
+      #
+      if {![regexp {^[[:alnum:]:./_-]+$} $t]} {
         error "invalid form specificaton '$t'"
       }
       #:log "trying to get $t // parent_id $parent_id"