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Change History
--------------
2021-01-08 luaotfload v3.17
* The fontloader has been synced with the context code from 2021-01-07.
This improves support for advanced CFF based OpenType variable fonts.
2020-12-31 luaotfload v3.16
* The fontloader has been synced with the context code from 2020-12-30
* The entry point is called luaotfload.lua instead of
luaotfload-main.lua (but the old name is still provided for
compatibility).
* pre/post_shaping_filter callbacks has been added.
* The number of lua-files and submodules shown in the log-file
has been reduced. But it is extended again by setting the environment
variable LUAOTFLOAD_TRACE_SUBMODULES=1.
* The HarfBuzz based shaper will in some situations drop hyphenation
points. This happens less frequently now since the new version uses
first/second discretionaries (the mechanism described in the LuaTeX manual,
section 5.6 for the of-f-ice example) to support a limited amount of
nesting.
* When the node shaper is used, experimental support for
OpenType variable fonts has been added. To use them, set the font
feature axis to a comma separated list of axis names and values.
(E.g. axis={weight=600}) The supported axis names and value
range depend on the font.
* The font features upper and lower can be used to map
the text of a font to upper or lowercase before displaying it. Currently
this implements the untailored Unicode case mapping algorithm, but it is
planned to add tailoring later.
* A number of small bugfixes.
2020-09-02 luaotfload v3.15
* The font database is updated more reliably if fonts get deleted.
* In multiple error cases, error messages are shown instead of silently
generating bad output.
* Write glyph ids instead of internal identifiers to DVI files. This
allows using OpenType fonts when working with dvilualatex.
(This requires additional support from the DVI reader)
* The set of font features which are enabled by default has been
changed to be more similar to HarfBuzz.
Especially Above-base mark Positioning (abvm),
Below-base mark Positioning (blwm), Contextual
Alternates (calt), Cursive Positioning (curs),
Distances (dist), and Required Contextual Alternates
(rclt) are now enabled by default for all scripts.
* Added a mathfontdimen font feature which allows emulating
fontdimen values from xetex or traditional \TeX\ math fonts.
* Initial support for variable fonts in node mode.
2020-05-01 luaotfload v3.14
* bug fix for luaotfload-tool, luaotfload-tool --list=basename failed (texlive list)
* fontloader patched to resolve issue #124
2020-05-01 luaotfload v3.13
* A problem with text fonts with minimal math table has been fixed (issue 148.)
In new luaotfload versions, math parameters will only be loaded for fonts with `script=math`.
If you do want to set math parameters for fonts with other scripts, add `-nomathparam`.
We strongly recommend against setting math parameters for text fonts because
these would overwrite parameters from actual math fonts.
* A bug in harf-mode that could lead to missing chars and freezing was corrected (issue 141).
* A font size problem in harf-mode has been fixed (issue 147).
* An error if the main function was called twice has been fixed (issue 145).
* Allow .ttf fonts to be loaded with a map file with luahbtex (issue 142) (issue 143).
* Fonts installed for a single user on windows are now found (issue 138).
* A problem with wrong \TeX-ligatures in harf mode has been fixed (issue 139).
* The debugging output has been changed (issue 131).
* a missing U+1E9E (Capital ß) in a font is replaced by
SS instead of giving a missing character.
* extended the color handling to be compatible with the luacolor package
* sync with context files from 2020-04-30
2020-02-02 luaotfload v3.12
* new experimental feature multiscript
* new experimental feature fallback
* extension of the color feature to color output glyphs
* Small bug correction
2019-11-10 luaotfload v3.11
* Changed the handling of the script key in harf mode to be more compatible with behaviour of the node mode.
It now expects the name of a script that is actually in the font instead of a ISO 15924 script tag. See issue 117.
* Corrected a number of small typos and bugs in harf mode.
2019-11-04 luaotfload v3.1
* added code to use the harfbuzz library of luahbtex ("mode=harf")
* fonts in ttc can now be indexed by name
* remove a number of lua tables from the global enviroment (_G) to reduce the polution.
Kept there are only the tables luaotfload, fonts and nodes.
* sync with context files from 2019-10-29
2019-09-13 luaotfload v3.0
* invisible option to avoid that some glyph are shown (issue #63)
* correct small bug in xheight calculation
2019-08-11 luaotfload v2.99
* some clean up
* fix a bug in luaotfload.aux.resolve_fontname() (issue #76)
* removed dependency on slnunicode (PR#72)
* sync with context files from 2019-08-11
2019-06-20 luaotfload v2.98
* add embolden key
* add missing char detection issue #65
* sync with context files from 2019-07-04
2019-05-18 luaotfload v2.97
* fix issue #47
* fix whatsits interfering with letterspacing (issue #53)
* fix luaotfload-tool switches version and find not working correctly (PR#59)
* fix luaotfload-tool support of ttc fonts (PR#58)
* sync with context files from 2019-05-18 (improves handling of large fonts, see e.g. issue #55 and PR#58)
2019-01-28 luaotfload v2.96
* repaired broken letterspace (issue #38)
* changed handling of spaces in letterspacing
* changed handling of ligatures in letterspacing
* corrected detection of bold fonts (issue #41)
2019-01-28 luaotfload v2.95
* imported context files of 2019-01-28
* changed bold indification (for lucida demi bold) (issue #33)
* changed handling of tex file (issue #35)
* changed resolver code (pr #36)
2019-01-14 luaotfload v2.94
* imported context files of 2018-12-19
* removed luaotfload-characters from init - use the basics-chr instead.
* allow custom fontloaders through the mode-key https://github.com/u-fischer/luaotfload/pull/25
* resolved issue #29
2018-10-28 luaotfload v2.93
* reinserted forgotten man files
* unified and improved version/module info for automatic tagging
2018-10-21 luaotfload v2.92
* better deva support, issue #9
* test for --safer and abort, issue #12
* newest context files
* correct file: syntax for tfm files, issue #11.
2018-10-03 luaotfload v2.91
* solved copy & paste of variant glyphs, https://tex.stackexchange.com/questions/451442/localized-glyphs-locl-have-unicode-value-ufffd
* solved problem with PUA no longer accessible with \char, see https://github.com/u-fischer/luaotfload/issues/7
2018-09-21 luaotfload v2.9
* added various testfiles for the l3build system/travis tests to the github repository
* solved a bug regarding directions https://github.com/u-fischer/lua-font-pond/issues/12
* adapted luaotfload-letterspace to new fontloader
* solved the case problem see https://github.com/u-fischer/lua-font-pond/issues/6
* Fix parsing of font.conf see https://github.com/lualatex/luaotfload/pull/420
* imported new versions of the context files - fontloader is compatible with luatex 1.08 again
* adapted the files list
* created a luaotfload-filelist.lua which describes the files of the package
* removed some not functional files
* adapted mkstatus to use the new file list.
2017-01-29, luaotfload v2.8:
* Latest fontloader code.
* Support for Luatex 1.0.
* Integration of the extended AFM handler.
* Fixes to font family assignment.
* Skip initialization if Luaotfload is already loaded.
* Optical sizes advertised by fonts treated as big points.
2016/04/21, luaotfload v2.7:
* Rework lookup chaining.
* Combining glyphs from different fonts (``combo: ...`` requests).
* Glyph fallbacks.
* Latest fontloader code.
* Adapt packaging to changed upstream file layout.
* Remove support for builtin Fontforge libraries (this includes the PFA,
PFB, DFONT, and feature file readers).
* Allow configuration of anonymous lookups.
2015/12/09, luaotfload v2.6
* Add ``sign`` target to makefile for automated package signing.
* Add ``--dumpconf`` option to luaotfload-tool for generating configuration
files.
* Move fontloader files to subtree src/fontloader.
* New script ``mkimport`` facilitates maintainance of code imported from
Context.
* Revised letterspacing, now utilizing the ``node.direct`` interface.
* Revized colorization of fonts, utilizing ``node.direct`` (Dohyun Kim).
* Colorization was moved to the ``post_linebreak_filter`` stage.
* Move remaining functionality from ``luaotfload-override`` into
initialization.
* Write names index if fonts were removed.
* Separate module loading from initialization.
* Custom fontloader package with the files from Lualibs removed.
* Swappable fontloader via configuration option.
* Lualibs are now a dependency when used in a TeX run as well.
* Respect interword spaces when letterspacing.
2014/07/13, luaotfload v2.5
* Remove legacy code.
* Remove compatibility with the old mkluatexfontdb script.
* Remove test directory. Use https://bitbucket.org/phg/lua-la-tex-tests
instead.
* Remove luaotfload.lua from luaotfload.dtx; it is now a separate file
luaotfload-main.lua.
* Standard source tree structure: the code is now located in the ./doc,
./scripts, ./src, ./build, and ./misc directories.
* Move the heavier LPEG parsers from luaotfload-features (syntax) and
luaotfload-database (fontconfig) into the new file
luaotfload-parsers.lua.
* Move logging routines from luaotfload-override in to luaotfload-log.
* Scan local font files (``--local`` flag to luaotfload-tool, flag
``scan_local`` during TeX run).
* Add bisection mode (``--bisect``) to luaotfload-tool.
* Add functions for accessing the database: ``aux.font_index()`` and
``aux.read_font_index()``.
* Distinguish XDG configuration paths (Reuben Thomas)
* Optional configuration via rc files.
* Configure default features via configuration file.
2013/12/31, luaotfload v2.4
* Additional self-tests, now in separate file (luaotfload-diagnostics.lua)
* Better path and directory handling, especially on Windows
* database now indexes Type1 fonts (PFA, PFB) and makes them accessible
with style modifiers (requires --format=+pfa,pfb option to luaotfload-tool)
* Test runner (script mktests)
* New luaotfload-tool option: ``--no-reload``
* ``luaotfload-tool --find`` now understands request syntax
* text (Lua script) version of the font index is filtered through gzip by
default, the ``--no-compress`` option of luaotfload-tool will prevent
this
* rename ``luaotfload-merged.lua`` (the fontloader package from Context)
to ``luaotfload-fontloader.lua``
* Treat arguments of the ``letterspace`` option as percentages; add
``kernfactor`` option that behaves as before.
* Remove imported version of typo-krn.lua. Xetex-style per-font
letterspacing is now the canonical method.
* Merge functionality from extralibs (fake Context layer) into
luaotfload-letterspace.lua as it is only needed there anyways.
2013/07/10, luaotfload v2.3a
* Detect LuaJIT interpreter (LuaJITTeX)
* Self-test functionality for luaotfload-tool.lua (option ``--diagnose``)
2013/07/03, luaotfload v2.3:
* New experimental lookups: ``kpse`` (kpathsea), ``my`` (callback)
* Precedence of texmf over system fonts can be requested
using the ``--prefer-texmf`` option of luaotfload-tool
* Resolve file names to full paths at later stage
* Rewrite the output of ``\fontname`` via ``patch_font`` callback
* Allow blacklisting directories
* Drop compatibility layer
* Remove dependency on luaotfload-lib-dir (references to dir.glob() and
dir.mkdirs())
* luaotfload-tool now displays extensive information about a font if given
the argument --inspect
2013/05/20, luaotfload v2.2:
* There is now a central, non-personal dev repo on github:
https://github.com/lualatex/luaotfload
* Synchronisation with ConTeXt from TeXLive 2013, inducing
backward-incompatible changes in the font structure. A
backward-compatibility layer has been added for the current
versions of fontspec, unicode-math and microtype, but it should
disapear in a future version.
* Synchronisation with ConTeXt is now easier and can be done by just
updating luaotfload-merged.lua (<= luatex-fonts-merged.lua from
the LuaTeX-Plain format)
* Improved and extended documentation
* Font filenames are stored in the database (file: lookups more efficient)
* Optional caching of name: lookups (uses separate cache file)
* Rewriting and increased fidelity of XeTeX emulation
* Renaming mkluatexfontdb into luaotfload-tool (the old behavior is kept if
the script is symlinked or renamed mkluatexfontdb)
* Added options to luaotfload-tool for simple database queries
* Logging facilities have been rewritten and allow for more granularity
* All files have been renamed, abandoning cryptic acronyms; also
the new prefix is "luaotfload" (<= "otfl")
* The Adobe Glyph List (font-age.lua) is now built via script (mkglyphlist)
* Hans adapted the font loader to several of our requests (attribute
allocation, custom merged package name etc.)
* Auxiliary functions for package authors
* Man page for luaotfload-tool
* Unsupported v1.3 codebase is included in the luaotfload-*lua files. Crude,
but effective way to support older Luatex binaries
* implemented basic cache control/stats option for luaotfload-tool
* Character list is generated from char-def.lua (mkcharacters)
2013/04/27, luaotfload v1.3:
* blacklisting lingoes.ttf (segfaults)
* unblacklisting ttc fonts (warning: may break LuaTeX < 0.65)
* fixing font cache file name with non-ascii characters
2013/04/25, luaotfload v1.29:
* Reverting the unified resolver, as the database was rebuilt too often
which made the compilation longer. This will come back improved
in the next version, hopefully for TeXLive 2013.
* Fix resolving of Libertine Mono
* Fix a bug that made fontconfig files not parsed when OSFONTDIR is set
2013/04/11, luaotfload v1.28:
* Adapting to LuaTeX 0.75
* Fix small documentation issues in mkluatexfontdb
* Fix possible infite loop with fontconfig config files references
* Adding semibold synonym for bold
* file:xxx syntax now uses the same search function as name: which
make more fonts recognized
2012/05/28, luaotfload v1.27:
* Fix "endless loop in charlist" with some OpenType math fonts
2012/03/27, luaotfload v1.26:
* Enable setting italic correction values by default
* Fix finding demibold italic fonts
2011/04/21, luaotfload v1.25:
* Fix bug loading *.dfont fonts
* Misc. documentation fixes
* Fix the need to manually delete font cache when feature file is changed
* Hack to support Demi fonts
2011/02/16, luaotfload v1.24:
* Fix infinite loop first time creating a name list
2011/02/04, luaotfload v1.23:
* Fix a typo breaking fonts.names.scan()
2011/01/25, luaotfload v1.22:
* Remove --database-dir and --sys options from mkluatexfontdb
* Provide a "luaotfload.patch_font" callback for on the fly patching of fonts
* Some documentation improvements
2010/11/11, luaotfload v1.21:
* Adapt to luatexbase v3.0
2010/10/16, luaotfload v1.20:
* Make cache directory creation more robust
* Fix GPOS mark placement in left-to-right direction
* Reject fonts missing 'names' table
* Sanitize color value before attempting to use it
2010/09/12, luaotfload v1.19:
* fix LaTeX's detection (made Tikz fail under a non-LaTeX format)
2010/07/15, luaotfload v1.18:
* fix for \overwithdelims and brothers
2010/07/14, luaotfload v1.17:
* allow stylistic sets features in base mode
* don't scale percent math constants
2010/07/12, luaotfload v1.16:
* support keys prefixed by "+", for compatibility with XeTeX
* remove the progress bar from mkluatexfontdb, it is of little use now
* minor code a documentation cleanups
2010/06/28, luaotfload v1.15:
* anum feature did not work as advertised
* add system shipped TTC fonts on Mac OS X to the blacklist, until the
culprit ones are isolated
2010/06/25, luaotfload v1.14:
* fix mkluatexfontdb which was broken in the last version
* support general font blacklisting feature
* temporally re-enable ttc fonts on Mac OS X
* make sure mkluatexfontdb in verbose mode prints font filename before
attempting to load it
2010/06/24, luaotfload v1.13:
* fix typo in font cache path
2010/06/18, luaotfload v1.12:
* populate MathConstants table for OpenType math fonts, now such fonts
can be really used in math mode.
* sync with ConTeXt beta 2010.06.18
* change cache dir to $TEXMFCACHE/luatex-cache/generic
2010/06/09, luaotfload v1.11:
* when asking for a font with style that doesn't exist, we would return
nothing, now we fallback to the regular font
2010/06/07, luaotfload v1.10:
* provide a fonts.names.scan(dir) function that temporally loads fonts
from the specified dir into the names database
* Log loaded font file before attempting to open it
* fix XeTeX's square brackets syntax so that it doesn't trigger database
update
* fix loading fonts with absolute path
* add \fontdimen8 support, for XeTeX compatibility
* be more verbose when updating the font database
* improve fonts.conf parsing
* make sure when a TFM font is requested we don't end up loading a non-TFM
font with a similar name instead
* Remove --fc-cache option from mkluatexfontdb.lua, since we no longer use
fontconfig tools
* misc. bug fixes
2010/05/30, luaotfload v1.09:
* the last release didn't even load
* fix passing --destdir to mkluatexfontdb
2010/05/28, luaotfload v1.08a:
* revert experimental code that was committed by mistake
2010/05/28, luaotfload v1.08:
* fix misc. bugs with system fonts scanning
* parse fontconfig configuration directly, no longer dependant on 'fc-list'
* now if no font names database is found, luaotfload will generate it, also
it will force an update of the database if the asked font can not be
found
* avoid loading non-tfm fonts when the user asks for tfm font
* update the documentation
* blacklist .ttc and LastResort font on mac.
* sync with ConTeXt beta 2010.05.22
* fix attribute handling
* clarify license
* misc. bug fixes
2010/05/10, luaotfload v1.07:
* using the new luatexbase package
* synchronizing with latest ConTeXt stable 2010.05.08
* adding support for microtypography
* adding support for color and transparency
* adding a script to generate a font database with TeX and system fonts
* more verbose log file
2010/02/07, luaotfload v1.06a:
* more complete tlig and trep
* defaults options changed to "+ccmp;+locl;+rlig;+liga;+clig;+kern;
+mark;+mkmk;"
* supporting windows absolute path
2009/12/01, luaotfload v1.06:
* synchronizing with ConTeXt stable 2009.11.26
* adding backward compatibility with LuaTeX 0.40.6