Index: openacs-4/packages/acs-templating/tcl/head-init.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/acs-templating/tcl/head-init.tcl,v
diff -u -r1.1.2.2 -r1.1.2.3
--- openacs-4/packages/acs-templating/tcl/head-init.tcl	22 May 2019 09:21:54 -0000	1.1.2.2
+++ openacs-4/packages/acs-templating/tcl/head-init.tcl	28 Oct 2020 15:39:19 -0000	1.1.2.3
@@ -7,7 +7,7 @@
 #
 # Gustaf Neumann, March 2019
 #
-if {[info commands ns_writer] ne ""} {
+if {[namespace which ns_writer] ne ""} {
     ns_register_proc GET __urn/* {
         set URN [string range [ns_conn url] 7 end]
         ns_log notice "URN handler checks URN <$URN>"