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FONTLOG.txt
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FONTLOG.txt
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FONTLOG for XITS
-------------------
This file provides detailed information on the XITS font software. This
information should be distributed along with the XITS fonts and any derivative
works.
Basic Font Information
--------------------------
XITS is a Times-like typeface for mathematical and scientific publishing, based
on the STIX fonts project. The main mission of XITS is to provide a version of
STIX fonts enriched with the OpenType MATH extension, making it suitable for
high quality mathematical typesetting with OpenType MATH capable layout systems,
like MS Office 2007 and later and the TeX engines XeTeX and LuaTeX.
XITS development is currently hosted at:
http://github.com/alif-type/xits
Feature requests, bug reports and patches should be directed to our issue
tracker.
Information for Contributors
------------------------------
XITS 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/alif-type/xits
ChangeLog
----------
2 July 2020 (Khaled Hosny) <XITS> Version 1.302
- Extend small capital i/ı variant to Azerbaijani and Crimean Tatar.
- THIS IS THE FINAL RELEASE OF XITS FONTS, NO FUTURE VERSIONS WILL BE
RELEASED.
7 September 2019 (Khaled Hosny) <XITS> Version 1.301
- Add some small caps glyphs for a few missed accented characters.
- Fix positions of superior and inferior figures.
- Improve small caps kerning.
30 August 2019 (Khaled Hosny) <XITS> Version 1.300
- Fix mis-encoded U+1D9B as U+1D98.
- Add top accent position to few accents in bold math font.
- Add minute and second signs to italic font.
- Add OpenType feature for superior figures.
- Fix thickness of connector part in division symbol.
- Add superior figures.
- Add ffj ligature.
- Fix displaced accented i glyphs.
- Add small caps to regular font.
- Add alternate old-style figures
- Add T and S with comma below for Romanian.
- Add scientific inferiors feature.
2 October 2018 (Khaled Hosny) <XITS> Version 1.200
- This is the final release with new features, from now only XITS is in
maintenance mode and only bug fixes will be made.
29 September 2018 (Khaled Hosny) <XITS> Version 1.109
- Improve Arabic math glyph considerably, they are much usable now.
- Add upright RTL integral alternates.
- Change ‘cv01’ feature for alternate Arabic math glyphs.
- Make the ‘hhea’ ascent/descent/line gap match the ‘OS/2’ typo metrics.
- Don’t set deprecated ForceBold in CFF Private dictionary.
- Fix script position with vertical bar on MS Word.
- Make vertical bar extensible in bold math font.
- Make MS Word linear fraction work better.
- Bundle WOFF fonts.
- Remove glyph overlap, some CFF rasterizers handle it badly.
- Fonts can be build with vanilla FontForge now.
- Builds are reproducible.
20 Jan 2014 (Khaled Hosny) <XITS> Version 1.108
- Add ‘latn’ and ‘dflt’ languages to math stylistic sets
- Add missing substitutions from ‘ss05’, ‘ss06’ and ‘ss07’ features
- Drop regular Arabic letters
- Drop the Arabic digits ‘locl’ feature
- Import Arabic alphanumeric math symbols and Arabic ray sign from Amiri font
- Add ‘ss10’ for \hbar variant of \hslash
- Fix ‘rtlm’ feature to follow the spec
28 May 2013 (Khaled Hosny) <XITS> Version 1.107
- Make ‘rtlm’ feature work with Firefox
- Disable fi ligatures with Turkish
- New/improved accent positioning for all math alphabets
- Italic correction for math alphabets accessible via stylistic sets
- Fix coverage of italic mathbb stylistic sets
- Make regular partial differential (U+2202) upright
- Rework bold integral summations
- Improve script positions of upright alphabet
28 May 2012 (Khaled Hosny) <XITS> Version 1.106
- Improve accent possitioning of bold script alphabet
- Fix integral italic correction of bold math font
- Add calligraphic alphabet bold math font
- Add upright integrals to bold math font
18 May 2012 (Khaled Hosny) <XITS> Version 1.105
- Remove ligatures and oldstyle figures from math font
- Move primes closer together
- Fix extensibility of combining over/under arrows
- Add 4 pre-built sizes for bar glyphs
- Initial bold math font
- Add under left right arrow
12 Feb 2012 (Khaled Hosny) <XITS> Version 1.104
- Fix various warnings reported vy `compareFamily` tool of AFDKO
- Fix primes size so that base and superscripted primes are identical in size
and a bit smaller than before
29 Nov 2011 (Khaled Hosny) <XITS> Version 1.103
- Remove erroneous dots from U+2A2B and add U+2A2C to XITS Bold
08 Nov 2011 (Khaled Hosny) <XITS> Version 1.102
- Fix inconsistent line spacing caused by inline math in MS Word
08 Oct 2011 (Khaled Hosny) <XITS> Version 1.101
- Support for numr and dnom features in XITS Regular
- Add Arabic comma to XITS Math
- Sync with STIXv1.1.0-beta1:
- New values for StackBottomShiftDown and StackBottomDisplayStyleShiftDown
- Sync PS private table in XITS Math
- Sync relevant glyph changes
18 Sep 2011 (Khaled Hosny) <XITS> Version 1.012
- Fix bug in \scriptscriptstyle primes with XeTeX
13 Jul 2011 (Khaled Hosny) <XITS> Version 1.011
- Initial right-to-left math support
- Add basic Arabic letters, digits and some math symbols
- Add support for overly accents
- Make uni2980, uni20E9, uni2223, uni2225, uni2AF4 and uni2AFC extensible
- Support math variants using variation selector (VS1)
- Add alternate negated symbols with vertical stroke
- Use the bar glyph from STIXVar.otf
- Fix FontForge warnings
- Fix swapped U+22D2 and U+22D3 glyphs
22 Apr 2011 (Khaled Hosny) <XITS> Version 1.010
- Make \over/underbrace and sisters less close to base glyphs
- Add upright integrals as stylistic set ss08
21 Apr 2011 (Khaled Hosny) <XITS> Version 1.009
- Don't hard code OS/2 code pages and Unicode ranges
- Fix StackBottomShiftDown and StackBottomDisplayStyleShiftDown math parameters
12 Jan 2011 (Khaled Hosny) <XITS> Version 1.008
- Fix sub/supercript positioning for uppercase script family
- Make \lgroup and \rgroup extensible
- Mark few more brackets extended shapes
- Make \lmoustache \rmoustache extensible
25 Oct 2010 (Khaled Hosny) <XITS> Version 1.007
- Add TopAccentHorizontal position to U+00B7, U+0131, U+0237, U+203E, U+22C5
- Add spaces and control characters U+0000-001F, U+2000-200F, U+2028-202F
- Tune script positioning for display integrals
- Disable smaller than text size integrals
- Rename fj ligature glyph to "f_j" for PDF search
- Assign un-encoded glyphs PUA code points
- Use U+23B7 slot for the glyph uni221A.base
- Change integral glyphs name suffixes to "small" and "display"
15 Jul 2010 (Khaled Hosny) <XITS> Version 1.006
- More italic correction to double struck alphabet
- Misc accents cleanup
- Remove wide variants of spacing accents
- Fine tuning of Latin and Greek top accent positioning
- Revise math constants, based on a default rule thickness of 66 instead of 50
- Draw a .notdef glyph instead of being empty, in the math font
- Make the bar glyph descend below the base line in the math font
08 Jul 2010 (Khaled Hosny) <XITS> Version 1.005
- Fix wrong style for italic double struck symbols
- Cover all small i and j letters in 'dtls' feature
- Add top accent position for math serif Greek
- Add vertical composition for floor and ceiling
- Increase RadicalDegreeBottomRaisePercent
- Add math bold digamma
- Add math bold, italic and bold italic double-struck stylistic sets
- Add math bold monospace digits stylistic set
- Add math italic sans-serif digits stylistic set
- Add math sans-serif Greek stylistic set
11 Jun 2010 (Khaled Hosny) <XITS> Version 1.004
- Fix the mysterious MS Office 2007 composition bug
10 Jun 2010 (Khaled Hosny) <XITS> Version 1.003
- Set OS/2 version to 4
- Add italic correction to math italic Greek and Latin
- Remove redundant math glyphs from text fonts
- Add 'dtls' feature and bold dotless i and j
- Add bold mathematical calligraphic alphabet
- Add mathematical calligraphic alphabet
6 Jun 2010 (Khaled Hosny) <XITS> Version 1.002
- Make OS/2 ascender/descender absolute values
- Move GSUB code to a font feature file
- Merge oldstyle figures from STIXNonUni* fonts
- Import the rest of STIXGeneral fonts
4 Jun 2010 (Khaled Hosny) <XITS Math> Version 1.001
- Edit various font metadata
- Initial release of "XITS Math"
- Add sub/superscript variants of primes
- Fix displaced \widehat and sisters
- Add italic correction, not all glyphs yet
- Fix the vertical positions of \[over|under]brace
- Ask FontForge to guess the BlueValues:
- Add 'frac' feature for text fractions
- Add oldstyle numbers
- Add Horizontal construction
- Add Vertical construction
- Add horizontal top accent position values
- Mark extended shapes
- Add horizontal variants
- Add vertical variants
- Add MATH table
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: https://github.com/alif-type
D: Engineer - OpenType MATH code
N: Daniel Benjamin Miller
E: dbmiller@dbmiller.org
W: https://dbmiller.org
D: Added and improved characters
N: STIX Fonts project
E: stix@aip.org
W: https://www.stixfonts.org
D: Original authors