public domain ksh sources - where ?

[Alan Thew]

In article <22341 at yunexus.YorkU.CA>, oz at yunexus.yorku.ca (Ozan Yigit) says:
>
.....
>
>Ksh is now being bundled with various systems, for example ULTRIX.
>I would not be surprised to see it in the next release of SunOS as well.
>
>The public domain ksh (originally by Erik Gisin) is a subset of ksh,
>something like a minimalist version. By and large, it works.
The opinions I've heard say that the PD version is more like an
improved sh or a very small subset of ksh. OK if you want a shell
for nothing but not if you want something even close to the 'real
thing'