Index: openacs-4/packages/contacts/lib/oo_mailing.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/contacts/lib/oo_mailing.tcl,v
diff -u -r1.22 -r1.23
--- openacs-4/packages/contacts/lib/oo_mailing.tcl	9 May 2018 15:33:30 -0000	1.22
+++ openacs-4/packages/contacts/lib/oo_mailing.tcl	12 Aug 2018 12:22:48 -0000	1.23
@@ -63,7 +63,7 @@
 	{banner:text(hidden) {value ""}}
     }
 } else {
-    set banner_options [concat [list ""] $banner_options]
+    set banner_options [linsert $banner_options 0 [list ""]]
     append form_elements {
 	{banner:text(select),optional
 	    {label "[_ contacts.Banner]"}