Index: openacs-4/packages/acs-templating/tcl/form-procs.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/acs-templating/tcl/form-procs.tcl,v
diff -u -N -r1.47 -r1.48
--- openacs-4/packages/acs-templating/tcl/form-procs.tcl	7 Aug 2017 23:48:01 -0000	1.47
+++ openacs-4/packages/acs-templating/tcl/form-procs.tcl	9 Apr 2018 18:58:32 -0000	1.48
@@ -834,8 +834,7 @@
 
   foreach element_name $properties(element_names) {
     if { [regexp $exp $element_name match] } {
-      set values [concat $values \
-        [template::element get_values $id $element_name]]
+      lappend values {*}[template::element get_values $id $element_name]
     }
   }