From mboxrd@z Thu Jan  1 00:00:00 1970
From: doug@cs.dartmouth.edu (Doug McIlroy)
Date: Sun, 27 Aug 2017 23:04:18 -0400
Subject: [TUHS] CSTR files
Message-ID: <201708280304.v7S34IVU099406@tahoe.cs.Dartmouth.EDU>

> As a *roff fan, I'd love, love, love to see the original roff sources.
> Especially anything that uses pic/eqn/chem/etc.

I have the source for CSTR 155, a trilogy on raster ellipses. It uses
interesting preprocessors that are, alas, mostly lost: ideal, prefer, eqn.
(If anybody has ideal, I'd love to get it. Even its author, Chris Van Wyk,
doesn't have it.)

Doug