From mboxrd@z Thu Jan 1 00:00:00 1970 From: jnc@mercury.lcs.mit.edu (Noel Chiappa) Date: Mon, 18 Sep 2017 17:14:19 -0400 (EDT) Subject: [TUHS] PDP-10 UNIX? Message-ID: <20170918211419.C4C3B18C0B2@mercury.lcs.mit.edu> > That makes sense if it's '73. That would be the Ritchie front end and > v5/v6 syntax as I remember=20 Here: http://publications.csail.mit.edu/lcs/specpub.php?id=717 is the TR describing it (well, this report covers one by him for the Honeywell 6000 series, but IIRC it's the same compiler). I didn't read the whole thing slowly, but glancing quickly at it, it sounds like it's possible a 'from scratch' thing? Noel