Index: openacs-4/packages/gatekeeper/tcl/gatekeeper-procs.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/gatekeeper/tcl/gatekeeper-procs.tcl,v
diff -u -r1.6 -r1.7
--- openacs-4/packages/gatekeeper/tcl/gatekeeper-procs.tcl	5 Apr 2018 14:44:09 -0000	1.6
+++ openacs-4/packages/gatekeeper/tcl/gatekeeper-procs.tcl	25 Apr 2018 19:47:47 -0000	1.7
@@ -150,7 +150,7 @@
     before sending it to the foreign server.
 } {
     set cookies [split $cookie ";"]
-    set return_cookies [list]
+    set return_cookies {}
     foreach cookie $cookies {
         set cv [split $cookie "="]
         set key [lindex $cv 0]
@@ -221,7 +221,7 @@
 
     if { [ns_conn method] == "POST" } {
         set rqset [ns_getform]
-        set formvars [list]
+        set formvars {}
         for {set i 0} {$i < [ns_set size $rqset]} {incr i} {
             lappend formvars "[ns_urlencode [ns_set key $rqset $i]]=[ns_urlencode [ns_set value $rqset $i]]"
         }