Index: openacs-4/packages/survey/www/admin/responses-export.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/survey/www/admin/responses-export.tcl,v
diff -u -r1.11 -r1.12
--- openacs-4/packages/survey/www/admin/responses-export.tcl	27 Oct 2014 16:41:58 -0000	1.11
+++ openacs-4/packages/survey/www/admin/responses-export.tcl	14 Jun 2015 00:49:36 -0000	1.12
@@ -10,7 +10,7 @@
 } {
 
   survey_id:naturalnum,notnull
-  {unique_users_p f}
+  {unique_users_p:boolean f}
   on_what_id:naturalnum,optional
   {start:naturalnum 1}
   {end:naturalnum 10000}