Index: openacs-4/packages/acs-subsite/www/shared/whos-online.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/acs-subsite/www/shared/whos-online.tcl,v
diff -u -r1.12 -r1.13
--- openacs-4/packages/acs-subsite/www/shared/whos-online.tcl	7 Aug 2017 23:47:59 -0000	1.12
+++ openacs-4/packages/acs-subsite/www/shared/whos-online.tcl	26 Apr 2018 08:56:37 -0000	1.13
@@ -29,7 +29,7 @@
         }
     }
 
-set users [list]
+set users {}
 
 foreach user_id [whos_online::user_ids] {
     acs_user::get -user_id $user_id -array user