From: Alistair Crooks <agc@pkgsrc.org>
Subject: Re: testing of software of different versions using pkgsrc (e.g. Emacs)
Date: Wed, 31 Oct 2001 09:32:30 +0100

> FYI, I hope to be able to commit something to the tree RSN which
> will support this, and doesn't require union mounts, so that Solaris,
> Darwin and Linux users won't lose out. (Darwin seems to lack an
> /sbin/mount_union command, although it's cross-referenced from
> mount(8). I think Apple should hire the wonderful Thomas Klausner,
> who has made such a difference to the NetBSD manual pages).

This sounds very interesting.  I'm eagerly awaiting ;-)