Index: openacs-4/packages/webmail-system/www/preferences.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/webmail-system/www/preferences.tcl,v
diff -u -r1.2 -r1.3
--- openacs-4/packages/webmail-system/www/preferences.tcl	26 Apr 2018 08:56:39 -0000	1.2
+++ openacs-4/packages/webmail-system/www/preferences.tcl	9 May 2018 15:33:33 -0000	1.3
@@ -28,13 +28,13 @@
 
 # ------------------------- CREATE FORM ------------------------- #
 
-set options {}
+set options [list]
 lappend options [list "[_ webmail-system.Full_HTML]" 0]
 lappend options [list "[_ webmail-system.HTML_without_CSS]" 1]
 lappend options [list "[_ webmail-system.Enhanced_Text]" 2]
 lappend options [list "[_ webmail-system.Plain_Text]" 3]
 
-set opts {}
+set opts [list]
 lappend opts [list "[_ webmail-system.Text]" 0]
 lappend opts [list "[_ webmail-system.Icons]" 1]