Index: openacs-4/packages/acs-templating/tcl/file-procs.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/acs-templating/tcl/file-procs.tcl,v
diff -u -r1.12.2.8 -r1.12.2.9
--- openacs-4/packages/acs-templating/tcl/file-procs.tcl	25 Aug 2022 11:37:12 -0000	1.12.2.8
+++ openacs-4/packages/acs-templating/tcl/file-procs.tcl	25 Aug 2022 12:45:56 -0000	1.12.2.9
@@ -110,7 +110,7 @@
         # file_transform.
         #
         set result 0
-    } elseif { ![security::safe_tmpfile_p [lindex $value 1]] } {
+    } elseif { ![security::safe_tmpfile_p -must_exist [lindex $value 1]] } {
         #
         # The tmpfile is not safe
         #