99 lines
4.5 KiB
Text
99 lines
4.5 KiB
Text
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###########################################################################
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############ The TeX Gyre Collection of Fonts ############
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###########################################################################
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Font: TeX Gyre Bonum Math
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Authors: Bogus\l{}aw Jackowski, Piotr Strzelczyk and Piotr Pianowski
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Version: 1.005
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Date: 5 IX 2014
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License:
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% Copyright 2014 for the TeX Gyre math extensions by B. Jackowski,
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% P. Strzelczyk and P. Pianowski (on behalf of TeX Users Groups).
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%
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% This work can be freely used and distributed under
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% the GUST Font License (GFL -- see GUST-FONT-LICENSE.txt)
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% which is actually an instance of the LaTeX Project Public License
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% (LPPL -- see http://www.latex-project.org/lppl.txt).
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%
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% This work has the maintenance status "maintained". The Current Maintainer
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% of this work is Bogus\l{}aw Jackowski, Piotr Strzelczyk and Piotr Pianowski.
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%
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% This work consists of the files listed
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% in the MANIFEST-TeX-Gyre-Bonum.txt file.
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###########################################################################
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############ A BRIEF DESCRIPTION OF THE FONT ############
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###########################################################################
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TeX Gyre Bonum Math is a math companion for the TeX Gyre Bonum family
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of fonts (see http://www.gust.org.pl/projects/e-foundry/tex-gyre/) in
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the OpenType format.
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The math OTF fonts should contain a special table, MATH, described in the
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confidential Microsoft document "The MATH table and OpenType Features
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for Math Processing". Moreover, they should contain a broad collection
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of special characters (see "Draft Unicode Technical Report #25.
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UNICODE SUPPORT FOR MATHEMATICS" by Barbara Beeton, Asmus Freytag,
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and Murray Sargent III). In particular, math OTF scripts are expected
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to contain the following scripts: a basic serif script (regular, bold,
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italic and bold italic), a calligraphic script (regular and bold),
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a double-struck script, a fraktur script (regular and bold), a sans-serif
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script (regular, bold, oblique and bold oblique), and a monospaced script.
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The basic script is, obviously, TeX Gyre Bonum. The Greek
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symbols in TeX Gyre Bonum were excerpted from the Kerkis
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package (http://iris.math.aegean.gr/kerkis/) with the kind
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permission of the authors, Apostolos Syropoulos and Antonis
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Tsolomitis; in TeX Gyre Bonum Math, a few adjustments in the
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Greek alphabet were needed (such as adding four variants
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of kappa1: u03F0 -- regular, u1D6DE -- bold, u1D718 -- italic,
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u1D752 -- bold italic).
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The calligraphic script were created from scratch as well as the math extension,
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i.e., the main component of the font.
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Other scripts, however, are borrowed from other fonts (the current
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selection, however, may be subject to change):
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* The fraktur alphabets (regular and bold) is excerpted
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from the Leipziger Fraktur replica by Peter Wiegel
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( http://www.peter-wiegel.de/Leipzig.html )
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with the kind permission of the author.
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* The sans serif alphabets (regular, oblique, bold, and
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bold oblique) are excerpted from TeX Gyre Heros
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http://www.gust.org.pl/projects/e-foundry/tex-gyre/heros
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(actually, the sans serif bold Greek symbols were manually tuned).
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* The double struck script is excerpted from TeX Gyre Termes Math;
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in the future, we plan to replace it with the script having forms
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derived from TeX Gyre Bonum alphabet.
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* Finally, the monospaced alphabet is taken from TeX Gyre Cursor
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(see http://www.gust.org.pl/projects/e-foundry/tex-gyre/).
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Note that the members of all the mentioned alphabets, except
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the main roman alphabet, should be considered symbols, not letters;
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symbols are not expected to occur in a text stream; instead,
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they are expected to appear lonely, perhaps with some embellishments
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like subscripts, superscripts, primes, dots above and below, etc.
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To produce the font, MetaType1 and the FontForge library were used:
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the Type1 PostScript font containing all relevant characters was
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generated with the MetaType1 engine, and the result was converted
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into the OTF format with all the necessary data structures by
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a Python script employing the FontForge library.
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Recent changes (ver. 1.002 --> ver. 1.005) comprised mainly
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interline settings in OTF tables (HHEA and OS/2).
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* * *
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The TeX Gyre Math Project was launched and is supported by
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TeX USERS GROUPS (CS TUG, DANTE eV, GUST, NTG, TUG India, TUG, UK TUG).
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Hearty thanks to the representatives of these groups and also
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to all people who helped with their work, comments, ideas,
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remarks, bug reports, objections, hints, consolations, etc.
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