Index: openacs-4/packages/acs-tcl/tcl/tcl-documentation-procs.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/acs-tcl/tcl/tcl-documentation-procs.tcl,v
diff -u -r1.55 -r1.56
--- openacs-4/packages/acs-tcl/tcl/tcl-documentation-procs.tcl	14 Jun 2018 10:12:23 -0000	1.55
+++ openacs-4/packages/acs-tcl/tcl/tcl-documentation-procs.tcl	26 Jun 2018 12:10:39 -0000	1.56
@@ -1543,11 +1543,7 @@
 } {
     upvar $value_varname value
     set filter_proc [ad_page_contract_filter_proc $filter]
-    if { $parameters eq "" } {
-        set filter_result [$filter_proc $filter] $name value]
-    } else {
-        set filter_result [$filter_proc $name value $parameters]
-    }
+    set filter_result [$filter_proc $name value {*}$parameters]
     if { $filter_result } {
         ad_page_contract_set_validation_passed $name:$filter
     }