[TUHS] 101 fixes for unix V6?

[lm@mcvoy.com (Larry McVoy)]

On Tue, Nov 24, 2015 at 01:19:18PM +1100, Warren Toomey wrote:
> On Mon, Nov 23, 2015 at 09:10:43PM -0500, Doug McIlroy wrote:
> > > The phototypesetter version of Unix was V7.
> > 
> > I'm not sure of what's being said here. Manuals from
> > the 4th edition on were phototypeaet, first on a
> > CAT and later a Linotron (if I remember the name right).
> 
> Taken from http://www.darwinsys.com/history/hist.html:
> 
> The early evolution of the C language has been described elsewhere ...
> It is May, 1975, and the new improved Sixth Edition is about to be released...
> There follows a succession of releases of the C compiler. The PWB
> 1.0 release of UNIX, the first outside the labs of a non-Research
> from Bell, goes out in 1977. And a special release tape known only as
> ``Phototypesetter Version 7'' includes a new release of troff as well
> as the C compiler, assembler, loader, archiver and bits of the C library.

It's worth noting that Unix was built for troff.  Typesetting patents
if I recall correctly.