From: Andrew Dalke (adalke_at_mindspring.com)
Date: Wed Jul 24 2002 - 04:51:04 CDT

Eugen Leitl:
> In case anyone wants to give it a spin, I have the following document
> by Bart Hazes which might be of some use:
>
> http://leitl.org/ui22204/.html/psf-howto.html

Right, and that reminds me that the tricky part was the NGRP field.
But I don't recall why. That document doesn't describe the format of
that field.

                                        Andrew