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From: Jon Forrest <nobozo@gmail.com>
To: tuhs@minnie.tuhs.org
Subject: Re: [TUHS] troff was not so widely usable
Date: Thu, 11 Feb 2021 09:34:11 -0800	[thread overview]
Message-ID: <34f3d83f-c33e-83de-cb59-12209a7ff729@gmail.com> (raw)
In-Reply-To: <31617.1613048783@hop.toad.com>



On 2/11/2021 5:06 AM, John Gilmore wrote:

> This reminded me of a project that I and a small team did in the 1980s.
> We were licensees of Sun's NeWS source code, and we wanted our software
> to be able to use the wide variety of fonts sold commercially by Adobe
> and font design companies.  The problem was, they were encoded in Adobe
> Type 1 font definitions, which Adobe considered a proprietary trade
> secret. 
> 
> Our team ended up pulling the ROMs out of an original LaserWriter, and
> writing and improving a 68000 disassembler.  One of our team members
> read the code, figured out which parts handled these fonts, and how it
> decoded them.  He wrote that down in his own words in a plain text
> document, not a program, following the prevailing court decisions about
> how to avoid copyright issues while reverse-engineering a trade secret.
> Ultimately, we released that document to some interested people, so that
> others could implement support for Type 1 fonts.  Shortly afterward,
> Adobe magnanimously decided to "release the specification", as Wikipedia
> says. 

I always thought the Prof. Michael Harrison and his group in the
CS Dept. at UC Berkeley were the first to do this. I found a reference
to this in

https://books.google.com/books?id=IToEAAAAMBAJ&pg=PT7&lpg=PT7&dq=michael++harrison+berkeley+postscript+fonts#v=onepage&q=michael%20%20harrison%20berkeley%20postscript%20fonts&f=false

Plus, Mike told me personally that this is what happened.

Jon

  reply	other threads:[~2021-02-11 17:34 UTC|newest]

Thread overview: 65+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-11-30  3:10 [TUHS] The UNIX Command Language (1976) Joachim via TUHS
2020-11-30  8:30 ` Thomas Paulsen
2020-11-30 13:36 ` Brantley Coile
2020-11-30 15:12   ` Tom Ivar Helbekkmo via TUHS
2020-11-30 15:52 ` Clem Cole
2020-11-30 16:25   ` Dan Cross
2020-11-30 16:38     ` Warner Losh
2020-11-30 16:41       ` Dan Cross
2020-11-30 16:37   ` Larry McVoy
2020-11-30 16:54     ` Clem Cole
2020-11-30 18:13       ` Theodore Y. Ts'o
2020-11-30 18:25       ` John Cowan
2020-11-30 18:37         ` Clem Cole
2020-11-30 20:11           ` arnold
2020-11-30 21:49             ` Will Senn
2020-12-01  2:55             ` Jon Steinhart
2020-11-30 18:46         ` Nemo Nusquam
2021-02-10 20:48       ` [TUHS] troff was not so widely usable (was: The UNIX Command Language (1976)) Greg A. Woods
2021-02-10 21:44         ` Larry McVoy
2021-02-10 22:05         ` Clem Cole
2021-02-11 21:58           ` Greg A. Woods
2021-02-12  5:22             ` George Michaelson
2021-02-12 22:13             ` Dave Horsfall
2021-02-12 22:18               ` Ron Natalie
2021-02-10 22:36         ` Jon Steinhart
2021-02-10 23:05           ` George Michaelson
2021-02-11  0:27             ` Ron Natalie
2021-02-11  0:36               ` Larry McVoy
2021-02-11  1:53               ` Clem Cole
2021-02-11  1:59                 ` Richard Salz
2021-02-11  2:04                   ` George Michaelson
2021-02-11  2:44                     ` Richard Salz
2021-02-11  3:02                       ` Steve Nickolas
2021-02-11  4:07                         ` Toby Thain
2021-02-11 16:55                       ` Ron Natalie
2021-02-11 20:27                         ` John Cowan
2021-02-11  2:30                 ` [TUHS] troff was not so widely usable Mary Ann Horton
2021-02-11  2:52                   ` Larry McVoy
2021-02-11  6:42                     ` Andrew Hume
2021-02-11  7:12                       ` Rob Pike
2021-02-11 13:06                         ` John Gilmore
2021-02-11 17:34                           ` Jon Forrest [this message]
2021-02-11 18:09                             ` John Cowan
2021-02-11 18:43                               ` Rich Morin
2020-12-01  3:59 ` [TUHS] The UNIX Command Language (1976) jason-tuhs
2020-12-01  4:03   ` Jon Steinhart
2020-12-01  9:27   ` Steve Nickolas
2020-12-01 15:09   ` Jim Capp
2020-12-01 15:35     ` Toby Thain
2020-12-01 15:38     ` arnold
2020-12-01 16:24       ` Warner Losh
2020-12-01 16:39         ` arnold
2020-12-01 20:13           ` Rob Pike
2020-12-02  7:08             ` arnold
2020-12-02  7:29               ` Rob Pike
2020-12-01 20:20           ` Steffen Nurpmeso
2020-12-01 20:39             ` Bakul Shah
2020-12-01 21:24               ` Dan Cross
2020-12-01 23:44                 ` John Cowan
2020-12-12 19:50           ` scj
2020-12-01 16:47         ` Larry McVoy
2020-12-01 20:13     ` Dave Horsfall
2020-12-01 20:49       ` John Cowan
2020-12-01 16:04 ` Tyler Adams
2021-02-11 12:52 [TUHS] troff was not so widely usable Nelson H. F. Beebe

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