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-FONTLOG for Libertinus
----------------------
-
-This file provides detailed information on the Libertinus font software. This
-information should be distributed along with the Libertinus fonts and any
-derivative works.
-
-
-Basic Font Information
-----------------------
-
-Libertinus fonts is a fork of the Linux Libertine and Linux Biolinum fonts that
-started as an OpenType math companion of the Libertine font family, but grown
-as a full fork to address some of the bugs in the fonts.
-
-The family consists of:
-
-* Libertinus Serif: forked from *Linux Libertine*.
-* Libertinus Sans: forked from *Linux Biolinum*.
-* Libertinus Mono: forked from *Linux Libertinus Mono*.
-* Libertinus Math: an OpenType math font for use in OpenType math-capable
- applications like LuaTeX, XeTeX or MS Word 2007+.
-
-Libertinus development is currently hosted on:
-http://github.com/khaledhosny/libertinus
-
-Feature requests, bug reports and patches should be directed to our issue
-tracker.
-
-
-
-Information for Contributors
-----------------------------
-
-Libertinus is released under the OFL 1.1 - http://scripts.sil.org/OFL For
-information on what you're allowed to change or modify, consult the OFL-1.1.txt
-and OFL-FAQ.txt files. The OFL-FAQ also gives a very general rationale and
-various recommendations regarding why you would want to contribute to the
-project or make your own version of the font.
-
-See the project website for the current master and the various branches:
-http://github.com/khaledhosny/libertinus
-
-
-ChangeLog
----------
-
-26 April 2018 (Khaled Hosny) <Libertinus> Version 6.6
-- Align MATH AxisHeight with minus and similar operators.
-- Align single and double arrows to minus and equal signs.
-- Fix Celsius, Fahrenheit and Ohm signs to take the style of their fonts.
-- Fix Ohm sign side bearings.
-- Fix Service Mark and Trade Mark in sans fonts to take their style.
-- Unify the default for of Eng glyph across fonts, and add and alternate shape
- for Sami language.
-- Fix Cyrillic small letter ef in display font to match the regular serif font.
-- Dropped some more unused PUA slots.
-- The copyleft symbol now used the proposed Unicode 11 code point.
-
-21 March 2018 (Khaled Hosny) <Libertinus> Version 6.5
-- Fix regressions in handling of extensible combining marks with LuaTeX.
-- Add Latin bold italic sans-serif alphabet.
-- Add mathematical double-struck digits.
-- Enable slashed zero feature in math font.
-- Add big sizes for more brackets; \lBrack, \rBrack, \langle, \rangle, \lAngle
- and \rAngle.
-- Add big sizes of slash and backslash.
-- Add \widetilde, \wideutilde and \widebreve.
-- Fix side bearings of math blackboard capitals.
-- Fix math glyphs with negative left side bearing that can clash with
- preceding glyphs.
-- Make \vert and \Vert expansion consistent in size with the brackets.
-- Remove tone bar glyphs; the support was not adequate for proper use.
-- Remove math alphabet glyphs from text fonts.
-- Fix glyphs incorrectly categorized as mark glyphs.
-- Add Bitcoin currency symbol.
-- Fix stacking of a-ring and macron.
-- Fix “ct” and “st” historic ligatures and make them consistent across fonts.
-- Fix mark positioning over AE and OE glyphs.
-- Fix style of U+2100 (a/c), U+2101 (a/s), U+2015 (c/o) and U+2106 (c/u).
-- Fix mark positioning over G and g glyphs.
-- Make default and alternate J glyphs consistent across upright and italic
- fonts.
-- Make U+00BA MASCULINE ORDINAL INDICATOR and U+00AA FEMININE ORDINAL INDICATOR
- have the same baseline in serif fonts.
-- Position semibold serif i/j dot similar to other styles.
-- Remove rudimentary MATH table from regular serif font.
-- Fix alignment of U+2192, U+2198, U+2199 in the monospace font.
-- Make more arrows fixed width in the monospace font.
-- Make capital roman numbers in sans-serif and sans-serif italic fonts actually
- sans-serif.
-- Make \product in sans-serif fonts actually sans-serif.
-- The fonts can now be built with upstream FontForge, no patches needed, as
- well as Python 3.
-
-17 May 2017 (Khaled Hosny) <Libertinus> Version 6.4
-- Fix broken extensibles of the left square bracket in the math font.
-
-12 May 2017 (Khaled Hosny) <Libertinus> Version 6.3
-- Add U+231C-231Fi and U+2A7D-2A7E to the math font.
-- Add script math alphabet based on that of XITS Math font.
-- Add monospaced math alphabet based on that of cmtt10 font with modified
- METAFONT parameters to better fit with Libertinus glyphs.
-- Improve math top accent positions.
-- Fix spacing of math italic i and j.
-- Increase the gap between \sum and its limits.
-- Improved math braces and brackets based on STIX Two Math font.
-- Disable optical variants of math alphanumerics that were based on the text
- sup/superscript glyphs as they don’t look good besides being incomplete and
- inconsistent.
-- Remove duplicate glyphs that caused broken GPOS generation.
-- Drop optical bounds (‘opbd’, ‘rtbd’ and ‘lfbd’) features as they were
- incomplete and virtually unsupported.
-- Fix text mark placement below O and o.
-- Fix oldstyle numbers feature in Libertinus Serif Semibold that had wrong
- glyph mapping for 6, 7, 8 and 9.
-- Use swash Q when followed by v.
-- Various consistency fixes to font names and vertical metrics.
-- Fix placement of the half ring in U+1E9A.
-- Fix several Libertinus Serif Bold italic alternate glyphs that were not bold.
-- Fix Libertinus Serif Italic U+2098-2099 (subscript m and n) that looked like
- superscript circled + and -.
-
-30 Jan 2016 (Khaled Hosny) <Libertinus> Version 6.2
-- Fixed missing big variant rule for U+27EF.
-- Fixed swapped \phi and \varphi symbols.
-- Fixed “fi” ligature in Serif Semibold Italic with small caps feature on.
-- The “Qu” ligature is now implemented as alternate glyph substitution.
-- Added missing small cap Qu alternate glyph to serif fonts.
-- Added big radical variants.
-
-22 Jan 2016 (Khaled Hosny) <Libertinus> Version 6.1
-- Renamed the fonts from Libertine to Libertinus to be complaint with the
- Reserved Font Name clause of Linux Libertine license. Thanks to Frédéric Wang
- for the new name.
-- Dropped legacy Mac platform font names.
-
-18 Jan 2016 (Khaled Hosny) <Libertine> Version 6.0
-First release of the forked Libertine fonts, changes since the fork include:
-- New Libertine Math font.
-- Dropped the use of Unicode PUA for alternate glyphs in favour of making them
- encoded.
-- Dropped the TrueType versions of the fonts.
-- Dropped the Romanian-specific cedilla/comma substitution, it is no longer
- recommended to do this at font feature level.
-- Fixed upstream font kerning regression.
-- Renamed the glyphs to follow the recommended Adobe Glyph Names for New Fonts.
-- Fixed lots of inconsistencies in the font files.
-- Fixed the encoding of Indian Rubee symbol.
-- Made the sans question mark a bit more sans-like.
-- Fixed sans interrobang to not use the serif glyphs.
-- Removed some bogus ligatures like “!!”, “??”, “...”, etc.
-- Fixed the “short f” feature.
-- Made the “bunny ears” glyphs with dieresis the alternate form, and made the
- more conventional form the default.
-- Dropped the “aalt” feature, since it is of limited use and hard to keep up to
- date.
-- Fixed diaeresis positioning in bold serif.
-- Fixed the following upstream bugs:
- http://sourceforge.net/p/linuxlibertine/bugs/315/
- http://sourceforge.net/p/linuxlibertine/bugs/311/
- http://sourceforge.net/p/linuxlibertine/bugs/303/
- http://sourceforge.net/p/linuxlibertine/bugs/254/
- http://sourceforge.net/p/linuxlibertine/bugs/293/
- http://sourceforge.net/p/linuxlibertine/bugs/291/
- http://sourceforge.net/p/linuxlibertine/bugs/275/
- http://sourceforge.net/p/linuxlibertine/bugs/235/
-
-
-Acknowledgements
--------------------------
-If you make modifications be sure to add your name (N), email (E), web-address
-(W) and description (D). This list is sorted by last name in alphabetical
-order.)
-
-N: Khaled Hosny
-E: khaledhosny@eglug.org
-W: http://www.khaledhosny.org
-D: Libertinus fork author
-
-N: Philipp Poll
-E: gillian@linuxlibertine.org
-W: http://www.linuxlibertine.org
-D: Original authors
-