Index: openacs-4/packages/xotcl-core/tcl/context-procs.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/xotcl-core/tcl/context-procs.tcl,v
diff -u -r1.75.2.11 -r1.75.2.12
--- openacs-4/packages/xotcl-core/tcl/context-procs.tcl	22 Nov 2019 16:10:39 -0000	1.75.2.11
+++ openacs-4/packages/xotcl-core/tcl/context-procs.tcl	1 Feb 2020 08:04:14 -0000	1.75.2.12
@@ -264,6 +264,7 @@
       ad_try {
         set locale [lang::conn::locale -package_id $package_id]
       } on error {errorMsg} {
+        ns_log warning "fall back to locale en_US"
         set locale en_US
       }
     } else {
@@ -533,7 +534,8 @@
     if {[info exists constraint] && $value ne ""} {
 
       try {
-        nsf::parseargs $name:$constraint $value
+        nsf::parseargs $name:$constraint [list $value]
+        
       } on error {errorMsg} {
         if {[ns_conn isconnected]} {
           ad_return_complaint 1 [ns_quotehtml $errorMsg]