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154 lines
7.1 KiB
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154 lines
7.1 KiB
Plaintext
FONTLOG
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Abyssinica SIL font family
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========================
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This file provides detailed information on the Abyssinica SIL font.
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This information should be distributed along with the Abyssinica SIL font and
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any derivative works.
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Basic Font Information
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----------------------
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Abyssinica SIL has a single face - regular.
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The goal for this product was to provide a single Unicode-based font
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that would contain a comprehensive inventory of glyphs needed for almost any
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Ethiopic-based writing system. In addition, there is provision for other
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Latin characters and symbols. This font makes use of state-of-the-art font
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technologies to support the need to position arbitrary combinations of
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*Ethiopic* base glyphs and combining marks optimally. It also supports
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almost 200 kerning pairs. This version of the font also supports Stylistic
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Sets and Character Variants (OpenType) or Features (Graphite) which make
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glyph alternates available for a number of Ethiopic and punctuation
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characters. See the AbyssinicaSILOpenTypeFontFeatures.pdf,
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AbyssinicaSILGraphiteFontFeatures.pdf and AbyssinicaSILTypeTunerGuide.pdf
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for details on applications which support Stylistic Sets and how to access them.
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One font from this typeface family is included in this release:
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* Abyssinica SIL Regular
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A Note Regarding the Open Font License and TypeTuner
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----------------------------------------------------
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The OFL prohibits the use of Reserved Font Names "Abyssinica" and "SIL" in
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the name of any font that is derived from the Original Version of
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Abyssinica SIL. However, SIL International (the Copyright Holder) grants
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through this separate written agreement the right to use the Reserved Font
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Names in any Modified Version of this font created by using TypeTuner as
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long as the feature information contained in the Original Version is used,
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unmodified, as the source for TypeTuner feature information, and
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"Abyssinica" is not the resulting font family name.
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TypeTuner-produced fonts created in this manner are still bound by the
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terms of the OFL. Specifically, the use of Reserved Font Names is
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prohibited when making derivatives of a TypeTuner-produced font. Anyone
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making a derivative of a TypeTuner font will need to find a different
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name. For example a TypeTuner-produced font may be named
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"Abyssinica SIL SomeFarAwayPlace" but a derivative of that font made
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with other tools would not be allowed to use the "Abyssinica" and "SIL"
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Reserved Font Names and would have to be named something like "Nations Ethiopic".
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ChangeLog
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---------
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(This should list both major and minor changes, most recent first.)
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13 December 2013 (Lorna Priest Evans) Abyssinica SIL version 1.500
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- Improved design of U+1396 and U+1399 (metrics changed for these characters)
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- Added character variants
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- Added variant glyphs for U+2D93..U+2D96 (for Blin)
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- Added variant glyphs for U+12E0..U+12E6 and U+1335 (historical usage)
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- Changed Graphite feature identifiers from integers to 4-character
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alphanumeric tags
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13 December 2010 (Lorna Priest) Abyssinica SIL version 1.200
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- Updated for Unicode 6.0 (U+AB00..U+AB2F)
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- Added Stylistic Sets and Graphite Features
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- Removed AAT support
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1 June 2006 (Jonathan Kew)
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- AAT source added
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25 May 2006 (SIL NRSI team) Abyssinica SIL version 1.0
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- First version released under the SIL Open Font License
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Information for Contributors
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----------------------------
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The release of Abyssinica SIL version 1.0 under the OFL license provides a
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means for people to contribute to the project. For information on what
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you're allowed to change or modify, consult the OFL and OFL-FAQ. The OFL-FAQ
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also gives a very general rationale regarding why you would want to
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contribute to the project.
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Anyone can make their own modified version of Abyssinica SIL (using a different
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name), but SIL International will continue to maintain and develop the
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canonical version of the Abyssinica SIL font. As the package maintainer, we
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warmly welcome contributions. Here are some things to keep in mind:
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Format: We are open to contributions in various formats, but if you want to
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maximise the chances of us including your work, please make it available to
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us (via email or a URL) as either a FontLab database (preferred) or a
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PostScript Type 1 (or OT-CFF) font.
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Source files: We're including the FontLab database used in
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developing the font. The font, however, was not solely built from
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this FontLab database, so a simple "Generate Font" will not give you an
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identical result. The database is provided not as canonical source but
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as an aid to anyone who might find it useful to have access to it. For those
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who may find them useful, we are also providing the Graphite GDL file
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(ETKernComb.gdl), VOLT project files (Abyssinica_SIL.vtp, AboveMarks.vtg,
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Kern.vtl, Mark.vtl) and an AAT perl script (abyssinica-aat.pl - this is run with
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the .ttf and .xml files as input, and writes the actual table source, then runs one
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of Apple's font tools to compile the tables and add them to the .ttf. (So it can
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only be run on a Mac, with the Apple tools installed.)).
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Copyright attribution: If you submit something for inclusion in the main
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Abyssinica SIL fonts, we will ask you to affirm that it is your original work,
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and ask you to assign the copyright of your work to SIL International. This
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is to ensure that future releases can be made under improved versions of the
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OFL without needing to track you down for further permission. This follows
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the same principle used by the FSF. Keep in mind that we are a
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not-for-profit organization committed to free/libre and open source
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software, and that any contributions incorporated in the fonts will always
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be available under the OFL or a similar license.
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Quality: Because we want to be able to guarantee a high level of quality for
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the primary Abyssinica SIL font, we will review submissions carefully. Please
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don't be discouraged if we do not include a submission for this reason, or
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ask you to make specific revisions.
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Types of contributions: If you wish to make a contribution - a set of
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additional glyphs, scripts, code, etc. - please contact us before you do any
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work to see if it is a contribution we currently need. Every addition adds
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to the complexity of the project and needs to be carefully planned. This
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also avoids two people working on the same type of addition at the same time.
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When submissions will be included: We do not have a current timetable for
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when an updated font will be released.
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Acknowledgements
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----------------
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(Here is where contributors can be acknowledged. If you make modifications
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be sure to add your name (N), email (E), web-address (W) and description
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(D). This list is sorted by last name in alphabetical order.)
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N: Walt Agee, Victor Gaultney, Lorna Evans / Daniel Yacob, Kjell Magne Yri
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E: fonts@sil.org
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W: http://scripts.sil.org/
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D: SIL designers and font engineers / non-SIL script experts
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The Abyssinica SIL project is maintained by SIL International.
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For more information please visit the Abyssinica SIL page on SIL International's
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Computers and Writing systems website:
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http://scripts.sil.org/AbyssinicaSIL
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Or send an email to <fonts AT sil DOT org>
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