Index: openacs-4/packages/simulation/lib/messages.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/simulation/lib/messages.tcl,v
diff -u -r1.22 -r1.23
--- openacs-4/packages/simulation/lib/messages.tcl	31 Oct 2006 09:00:04 -0000	1.22
+++ openacs-4/packages/simulation/lib/messages.tcl	25 Apr 2018 19:47:48 -0000	1.23
@@ -89,7 +89,7 @@
 if { [string match $complete_p "0"] && [exists_and_not_null role_id] } {
     set actions [list [_ simulation.Send_new_message] [export_vars -base message { case_id role_id }] {}]
 } else {
-    set actions [list]
+    set actions {}
 }
 
 template::list::create \