"Carlo Stonebanks" <stonec(dot)register(at)sympatico(dot)ca> writes:
> To enable this behavior, the PL/Tcl call handler must be compiled
> with -DPLTCL_UNKNOWN_SUPPORT set.
Where are you reading that? There's no such sentence in the current
docs, and no sign of any such conditional in the source code either.
I'm not sure why it doesn't work for you, but it's not because it's
been deliberately turned off...
regards, tom lane