>   1) It doesn't look easy to build *just* ksh, and the entire suite
>      duplicates a lot of functionality in the base system (and if you
>      want the entire suite, you could just follow AT&T's directions to
>      build and install it.)

Both FreeBSD Ports (shells/ksh93) and OpenBSD Ports (shells/ast-ksh)
build everything but install only the `ksh' binary.

Masao