Index: openacs-4/packages/acs-subsite/www/shared/parameters.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/acs-subsite/www/shared/parameters.tcl,v
diff -u -N -r1.22 -r1.23
--- openacs-4/packages/acs-subsite/www/shared/parameters.tcl	7 Aug 2017 23:47:59 -0000	1.22
+++ openacs-4/packages/acs-subsite/www/shared/parameters.tcl	1 Oct 2017 12:16:05 -0000	1.23
@@ -101,7 +101,7 @@
         set focus_elm $parameter_name
     }
 
-    switch $datatype {
+    switch -- $datatype {
         text {
             set widget textarea
             set html [list cols 100 rows 15]