Index: openacs-4/packages/simulation/lib/portfolio.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/simulation/lib/portfolio.tcl,v
diff -u -N -r1.12 -r1.13
--- openacs-4/packages/simulation/lib/portfolio.tcl	25 Apr 2018 19:47:48 -0000	1.12
+++ openacs-4/packages/simulation/lib/portfolio.tcl	9 May 2018 15:33:33 -0000	1.13
@@ -18,7 +18,7 @@
 if { [exists_and_not_null case_id] } {
     set user_roles [workflow::case::get_user_roles -case_id $case_id]
 } else {
-    set user_roles {}
+    set user_roles [list]
 }
 
 if { [exists_and_not_null case_id] } {
@@ -35,7 +35,7 @@
 if { [string match $complete_p "0"] && [exists_and_not_null role_id] } {
     set actions [list [_ simulation.Upload_a_document] $upload_url]
 } else {
-    set actions {}
+    set actions [list]
 }
 
 template::list::create \