Index: openacs-4/packages/acs-tcl/tcl/ad-functional-procs.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/acs-tcl/tcl/ad-functional-procs.tcl,v
diff -u -N -r1.10.2.9 -r1.10.2.10
--- openacs-4/packages/acs-tcl/tcl/ad-functional-procs.tcl	28 Feb 2023 13:54:18 -0000	1.10.2.9
+++ openacs-4/packages/acs-tcl/tcl/ad-functional-procs.tcl	1 Mar 2023 14:21:54 -0000	1.10.2.10
@@ -73,8 +73,16 @@
 
     @see https://www.tcl-lang.org/man/tcl/TclCmd/apply.htm
 } {
-    proc $args.$body $args $body
-    return $args.$body
+    #
+    # To make the lambda proc universally accessible, we need to
+    # create a fully-qualified name in the global namespace.
+    #
+    set name $args.$body
+    regsub -all :: $name __ name
+    set name ::__acs_lambda_$name
+
+    proc $name $args $body
+    return $name
 }
 
 # I know, I know - it looks sooo harmless. But it unleashes the real power of Tcl.