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Re: [Groff] The Great 202 Jailbreak.
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From: |
Ingo Schwarze |
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Subject: |
Re: [Groff] The Great 202 Jailbreak. |
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Date: |
Sun, 5 Jan 2014 15:55:02 +0100 |
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User-agent: |
Mutt/1.5.21 (2010-09-15) |
Hi Ralphs,
Ralph Graulich wrote on Sun, Jan 05, 2014 at 02:11:08PM +0100:
> Ralph Corderoy wrote:
> [...] "Berkeley Font Catalogue"
>> The troff there for selecting the font refers to it as just `ch'.
>> Does that mean the file on disk would be similarly shortly named?
It looks like the file `ch' only specifies the mapping of octal
glyph numbers (in the font) to characters (in the document), and
lists some auxiliary parameters. The actual font file is called
chess.18.
>> I downloaded a few Ultrix disk and tape images and poked around
>> a bit but didn't come across it.
I just checked the final version of the Berkeley CSRG SCCS for you,
and found three identical versions in three places:
local/ditroff/ditroff.old.okeeffe/vfont/chess.18
local/ditroff/ditroff.old.van/vfont/chess.18
old/vpr/vfont/chess.18
None of them is SCCS-versioned, probably because of the binary format.
There is only a single copy of the `ch' file:
local/ditroff/ditroff.okeeffe/devver/vfont.desc/ch
local/ditroff/ditroff.okeeffe/devver/vfont.desc/SCCS/s.ch
It is versioned, but contains only a single revision:
^Ad D 1.1 85/02/21 18:21:45 jaap 1 0
^Ac date and time created 85/02/21 18:21:45 by jaap
So there is no commit message, as is usual for initial revisions.
I must admit i have no idea who jaap@ is. He was a prolific
committer to the Berkeley CSRG SCCS, 585 commits in the time
from 85/01/22 to 90/01/02, mostly to local/ditroff/ditroff.okeeffe/.
Actually, he is number 23 in the list of the most frequent committers,
even before people like Kevin Dunlap, Christos Zoulas, Mark Linton,
Mark Horton and Robert Elz, and the top one i was so far unable
to identify the real name of.
> I assume it was named "CH", but I am not sure, as I am not
> experienced with this rather old version of troff.
At least in Berkeley, it wasn't called "CH" (in caps).
> If I read correctly, the font was included from Berkeley,
> so licensing shouldn't be an issue,
I'll take your word for that...
No really, that is one small file, and it is definitely
more than 30 years old, and chances are a chess font was
considered playful to begin with.
Note, however, that the complete "vfont" directory was excluded
from http://svnweb.freebsd.org/csrg/ in all three places, but
i assume that's because that site is about source code history,
not typesetting history, or if it is due to licensing issues, i
assume that concerns other fonts: There were many fonts in these
directories, some of them maybe commercial.
> if it is clearly stated where the font came from and what license
> it is licensed under - if one ever happens to come across that font.
Well, old/vpr/READ_ME says:
This directory contains software written at UCB to drive Versatec
and Benson-Varian electrostatic plotters.
The versatec uses 36 inch wide roll paper; the varian uses 11 x 11 inch
fanfold paper.
Some of the software is proprietary and has not been included,
but can be obtained from Versatec.
We have the versatec running as a plotter, a printer (four pages
across using the hardware characters), and a typesetter (also
running four pages across).
The varian does all these things too, but only one page across.
The varian is known as /dev/va0. The versatec is /dev/vp0.
Much of the software is shared, and can be used for either device.
Only the daemons are separate (vad and vpd). But even they are produced
from the same source file (vpd.c).
That READ_ME file has also been excluded from
http://svnweb.freebsd.org/csrg/old/vpr/
which i consider a *very* bad idea.
Note this part:
Some of the software is proprietary and has not been included, ...
So conversely, i conclude that what was included is *not*
proprietary, but under a BSD license. I see this in old/vpr/Makefile:
#
# Copyright (c) 1987 Regents of the University of California.
# All rights reserved. The Berkeley software License Agreement
# specifies the terms and conditions for redistribution.
#
# @(#)Makefile 5.10 (Berkeley) 6/2/90
#
And this in old/vpr/vfont.h:
/*
* Copyright (c) 1989 The Regents of the University of California.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Berkeley and its contributors.
* 4. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* @(#)vfont.h 5.3 (Berkeley) 6/1/90
*/
I'm hereby complying with these conditions.
If you want to check in more detail for yourself, you can order
yourself a copy of
https://www.mckusick.com/csrg/
I think that CD set is well worth its money, even after the availability
of http://svnweb.freebsd.org/csrg/old/vpr/ which is based on it.
So, enough reasoning, here we go.
Yours,
Ingo
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====
$ cat local/ditroff/ditroff.okeeffe/devver/vfont.desc/ch
# Font /usr/lib/vfont/chess.18, max width 50, max height 50
name ch
spacewidth 100
# char width u/d octal
charset
\| 100 0 00
\^ 0 0 00
0 100 0 060
A 100 3 0101
B 100 2 0102
F 100 3 0106
G 100 2 0107
H 100 1 0110
J 100 3 0112
K 100 2 0113
L 100 3 0114
M 100 3 0115
N 100 2 0116
O 100 3 0117
P 100 2 0120
Q 100 2 0121
R 100 2 0122
S 100 3 0123
T 100 0 0124
U 100 2 0125
V 100 3 0126
W 100 2 0127
X 100 1 0130
Z 100 3 0132
a 100 3 0141
b 100 2 0142
j 100 3 0152
k 100 2 0153
l 100 3 0154
m 100 3 0155
n 100 2 0156
o 100 3 0157
p 100 2 0160
q 100 2 0161
r 100 2 0162
s 100 3 0163