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 -r1.13 -r1.13.4.1
--- openacs-4/packages/survey/www/admin/responses-export.tcl	27 Jun 2015 20:46:16 -0000	1.13
+++ openacs-4/packages/survey/www/admin/responses-export.tcl	16 Dec 2019 17:14:38 -0000	1.13.4.1
@@ -77,7 +77,7 @@
 set current_question_list [list]
 set csv_export ""
 set r 0
-ReturnHeaders "application/text"
+util_return_headers "application/text"
 ns_write "$headline \r\n"
 
 db_foreach get_all_survey_question_responses "" {