Index: openacs-4/packages/acs-tcl/tcl/test/http-client-procs.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/acs-tcl/tcl/test/Attic/http-client-procs.tcl,v
diff -u -r1.1.2.16 -r1.1.2.17
--- openacs-4/packages/acs-tcl/tcl/test/http-client-procs.tcl	27 Feb 2021 20:21:45 -0000	1.1.2.16
+++ openacs-4/packages/acs-tcl/tcl/test/http-client-procs.tcl	2 Aug 2021 20:00:41 -0000	1.1.2.17
@@ -169,7 +169,7 @@
         foreach impl $implementations {
             foreach content_type $content_types {
                 set headers [ns_set create headers]
-                ns_set put $headers "Content-Type" $content_type
+                ns_set update $headers "Content-Type" $content_type
 
                 aa_section " - POST request - ContentType: '$content_type' - Implementation: '$impl'"
                 if {$impl ne "ns_http"} {