Index: openacs-4/packages/wp-slim/www/style-edit.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/wp-slim/www/style-edit.tcl,v
diff -u -r1.6 -r1.7
--- openacs-4/packages/wp-slim/www/style-edit.tcl	27 Jun 2015 20:34:42 -0000	1.6
+++ openacs-4/packages/wp-slim/www/style-edit.tcl	25 Apr 2018 19:47:48 -0000	1.7
@@ -55,8 +55,8 @@
 <input type=hidden name=background_image value=\"0\">
 "
 } else {
-    set names [list]
-    set values [list]
+    set names {}
+    set values {}
     foreach image $items {
 	lappend names [lindex $image 1]
 	lappend values [lindex $image 0]