Index: openacs-4/packages/acs-tcl/tcl/utilities-procs.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/acs-tcl/tcl/utilities-procs.tcl,v
diff -u -r1.140.2.32 -r1.140.2.33
--- openacs-4/packages/acs-tcl/tcl/utilities-procs.tcl	21 Apr 2016 11:30:12 -0000	1.140.2.32
+++ openacs-4/packages/acs-tcl/tcl/utilities-procs.tcl	21 Apr 2016 11:32:47 -0000	1.140.2.33
@@ -896,7 +896,7 @@
     if { $url_p } {
         set export_list [list]
         for { set i 0 } { $i < $export_size } { incr i } {
-            lappend export_list [ns_urlencode [ns_set key $export_set $i]]=[ns_urlencode [ns_set value $export_set $i]]
+            lappend export_list [ad_urlencode_query [ns_set key $export_set $i]]=[ad_urlencode_query [ns_set value $export_set $i]]
         }
         set export_string [join $export_list "&"]
     } else {