Index: openacs-4/packages/dotlrn-ecommerce/www/admin/ecommerce/invoice-payment.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/dotlrn-ecommerce/www/admin/ecommerce/invoice-payment.tcl,v
diff -u -r1.7 -r1.8
--- openacs-4/packages/dotlrn-ecommerce/www/admin/ecommerce/invoice-payment.tcl	26 Apr 2018 08:56:38 -0000	1.7
+++ openacs-4/packages/dotlrn-ecommerce/www/admin/ecommerce/invoice-payment.tcl	9 May 2018 15:33:30 -0000	1.8
@@ -28,7 +28,7 @@
 set form [rp_getform]
 ns_set delkey $form creditcard_expires
 
-set validate {}
+set validate [list]
 
 set billing_address_id [db_list get_billing_address_id "
         select address_id
@@ -51,7 +51,7 @@
 }
 
 set method_count 0
-set new_payment_methods {}
+set new_payment_methods [list]
 foreach payment_method [split $payment_methods] {
     set _payment_method [split $payment_method :]
     if { [llength $_payment_method] == 2 } {