Index: openacs-4/packages/acs-api-browser/www/proc-search.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/acs-api-browser/www/proc-search.tcl,v
diff -u -r1.15.2.3 -r1.15.2.4
--- openacs-4/packages/acs-api-browser/www/proc-search.tcl	13 May 2016 07:08:49 -0000	1.15.2.3
+++ openacs-4/packages/acs-api-browser/www/proc-search.tcl	19 May 2016 06:30:28 -0000	1.15.2.4
@@ -20,7 +20,7 @@
     {search_type:optional 0}
     {show_deprecated_p:boolean,notnull 0}
     {show_private_p:boolean,notnull 0}
-    query_string
+    {query_string:token,notnull}
 } -properties {
     title:onevalue
     context:onevalue