From: Mark Kettenis <mark.kettenis@xs4all.nl>
Subject: Re: mandoc: add POSIX 2024
To: Job Snijders <job@openbsd.org>
Cc: deraadt@openbsd.org, schwarze@usta.de, jmc@kerhand.co.uk, tech@openbsd.org
Date: Mon, 17 Jun 2024 16:59:16 +0200

> Date: Mon, 17 Jun 2024 14:45:06 +0000
> From: Job Snijders <job@openbsd.org>
> 
> On Sun, Jun 16, 2024 at 05:06:38PM -0600, Theo de Raadt wrote:
> > Well we can't be Unix, right, because we don't pay anyone so
> > how does SUS even apply?  Best way to make it irrelevant is to
> > not refer to it.
> 
> It seems -susv1, -susv3, and -susv4 are not used in man pages in base at
> all (other than mdoc). The handful of references to -susv2 in
> lib/libpthread could be replaced with references to ISO 1003.1?

Almost certainly not.  POSIX was only a subset of SUS.  The two were
merged in v6 with the X/Open System Interfaces becoming an extension
to POSIX.  Some of those interfaces became standard POSIX interfaces
in later revisions.