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 -r1.485.2.42 -r1.485.2.43
--- openacs-4/packages/xowiki/tcl/xowiki-procs.tcl	12 Dec 2016 17:07:41 -0000	1.485.2.42
+++ openacs-4/packages/xowiki/tcl/xowiki-procs.tcl	26 Jan 2017 23:24:15 -0000	1.485.2.43
@@ -2771,6 +2771,13 @@
     set $marker 1
   }
 
+  Page instproc form_field_flush_cache {} {
+    #
+    # flus all cached form_field_names
+    #
+    array unset ::_form_field_names
+  }
+  
   Page instproc form_field_exists {name} {
     return [info exists ::_form_field_names($name)]
   }