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 -r1.485.2.34 -r1.485.2.35
--- openacs-4/packages/xowiki/tcl/xowiki-procs.tcl	23 Nov 2016 21:21:02 -0000	1.485.2.34
+++ openacs-4/packages/xowiki/tcl/xowiki-procs.tcl	24 Nov 2016 09:04:40 -0000	1.485.2.35
@@ -2758,6 +2758,10 @@
     set $marker 1
   }
 
+  Page instproc form_field_exists {name} {
+    return [info exists ::_form_field_names($name)]
+  }
+  
   Page instproc lookup_form_field {
     -name:required
     form_fields