Index: openacs-4/packages/acs-authentication/tcl/authentication-procs.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/acs-authentication/tcl/authentication-procs.tcl,v
diff -u -r1.114.2.26 -r1.114.2.27
--- openacs-4/packages/acs-authentication/tcl/authentication-procs.tcl	10 Feb 2022 21:33:44 -0000	1.114.2.26
+++ openacs-4/packages/acs-authentication/tcl/authentication-procs.tcl	20 Apr 2022 08:00:10 -0000	1.114.2.27
@@ -877,7 +877,7 @@
             # The form element is finished - add it to the list
             lappend form_elements $form_element
         } else {
-            lappend form_elements "${element}:text(hidden),optional [list value {}]"
+            lappend form_elements "${element}:text(hidden),optional {value {}}"
         }
     }