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-rw-r--r--luaotfload.dtx349
1 files changed, 143 insertions, 206 deletions
diff --git a/luaotfload.dtx b/luaotfload.dtx
index 1643239..68750df 100644
--- a/luaotfload.dtx
+++ b/luaotfload.dtx
@@ -2,6 +2,7 @@
%
% Copyright (C) 2009-2010 by Elie Roux <elie.roux@telecom-bretagne.eu>
% and Khaled Hosny <khaledhosny@eglug.org>
+% (Support: <lualatex-dev@tug.org>.)
%
% This work is under the CC0 license.
%
@@ -35,7 +36,7 @@
\input docstrip.tex
\Msg{************************************************************************}
\Msg{* Installation}
-\Msg{* Package: luaotfload 2010/10/16 v1.20 OpenType layout system}
+\Msg{* Package: luaotfload v1.24 OpenType layout system}
\Msg{************************************************************************}
\keepsilent
@@ -48,6 +49,7 @@ This is a generated file.
Copyright (C) 2009-2010 by by Elie Roux <elie.roux@telecom-bretagne.eu>
and Khaled Hosny <khaledhosny@eglug.org>
+ (Support: <lualatex-dev@tug.org>.)
This work is under the CC0 license.
@@ -102,10 +104,9 @@ and the derived files
%<*driver>
\NeedsTeXFormat{LaTeX2e}
\ProvidesFile{luaotfload.drv}%
- [2010/10/16 v1.20 OpenType layout system]%
+ [2011/02/16 v1.24 OpenType layout system]%
\documentclass{ltxdoc}
-\usepackage{metalogo,multicol,mdwlist,fancyvrb,xcolor}
-\usepackage{charter}
+\usepackage{metalogo,multicol,mdwlist,fancyvrb,xcolor,xspace}
\usepackage[
bookmarks=true,
colorlinks=true,
@@ -118,10 +119,22 @@ and the derived files
pdfkeywords={luatex, lualatex, unicode, opentype}
]{hyperref}
+\usepackage{fontspec}
+\usepackage{unicode-math}
+\setmainfont[Ligatures=TeX]{Linux Libertine O}
+\setsansfont[Ligatures=TeX]{Linux Biolinum O}
+\setmathfont{XITS Math}
+
\definecolor{niceblue}{rgb}{0.4,0.6,1.000}
-\def\LuaTeX{Lua\TeX}
-\def\ConTeXt{Con\TeX t}
+\newcommand\tex {\TeX\xspace}
+\newcommand\pdftex {PDF\TeX\xspace}
+\newcommand\luatex {Lua\TeX\xspace}
+\newcommand\xetex {\XeTeX\xspace}
+\newcommand\latex {\LaTeX\xspace}
+\newcommand\context{Con\TeX t\xspace}
+
+\newcommand*\email[1]{\href{mailto:#1}{#1}}
\EnableCrossrefs
\CodelineIndex
@@ -153,14 +166,14 @@ and the derived files
% \GetFileInfo{luaotfload.drv}
%
% \title{The \textsf{luaotfload} package}
-% \date{2010/10/16 v1.20}
-% \author{ Elie Roux\footnote{\texttt{elie.roux@telecom-bretagne.eu}}
-% \and Khaled Hosny\footnote{\texttt{khaledhosny@eglug.org}}}
+% \date{2011/02/16 v1.24}
+% \author{Elie Roux and Khaled Hosny\\
+% Support: \email{lualatex-dev@tug.org}}
%
% \maketitle
%
% \begin{abstract}
-% This package is an adaptation of the \ConTeXt\ font loading system,
+% This package is an adaptation of the \context font loading system,
% providing the ability to load \textsf{OpenType} fonts with extended font
% loading syntax supporting a large selection of OpenType font features.
% \end{abstract}
@@ -169,10 +182,10 @@ and the derived files
%
% \section{Introduction}
%
-% Font management and installation has always been painful with \TeX.
+% Font management and installation has always been painful with \tex.
% A lot of files are needed for one font (tfm, pfb, map, fd, vf), and as
-% \TeX\ is 8-bit each font is limited to 256 characters.
-% But the font world has evolved since \TeX, and new font technologies have
+% \tex is 8-bit each font is limited to 256 characters.
+% But the font world has evolved since \tex, and new font technologies have
% appeared, most notably the so called \emph{smart font} technologies like
% \textsf{OpenType} fonts. These fonts can contain a lot of characters, and
% additional functionalities like ligatures, old-style numbers, small capitals,
@@ -181,12 +194,12 @@ and the derived files
% scripts right now} scripts.
% They are widely deployed and available for all modern operating systems and
% are becoming the de facto standard fonts for advanced text layout.
-% Until now the only way to use them directly in the \TeX\ world was by using
-% them with \XeTeX.
+% Until now the only way to use them directly in the \tex world was by using
+% them with \xetex.
%
-% Unlike \XeTeX, \LuaTeX\ does not provide direct support for using these fonts
+% Unlike \xetex, \luatex does not provide direct support for using these fonts
% by default, but it provides a way to hook Lua code in some points of the
-% \TeX\ processing; for instance, we can improve the font loading system, and
+% \tex processing; for instance, we can improve the font loading system, and
% text procession, which what this package is about.
%
% \section{Loading fonts}
@@ -195,7 +208,7 @@ and the derived files
% like:
%
% \begin{center}
-% |\font\foo={|\meta{prefix}|:|\meta{font name}|:|\meta{font features}|}| \meta{\TeX\ font features}
+% |\font\foo={|\meta{prefix}|:|\meta{font name}|:|\meta{font features}|}| \meta{\tex font features}
% \end{center}
%
% \noindent
@@ -204,12 +217,12 @@ and the derived files
%
% \paragraph{Prefix}
%
-% The \meta{prefix} be either \texttt{file:} or \texttt{name:}, which specify
+% The \meta{prefix} be either |file:| or |name:|, which specify
% whether to use a select the font from its filename or font name,
-% respectively. If no prefix is specified, then \texttt{file:} is assumed.
+% respectively. If no prefix is specified, then |file:| is assumed.
%
-% For compatibility with \XeTeX, surrounding the \meta{font name}
-% with square brackets is synonymous to using the \texttt{file:} prefix.
+% For compatibility with \xetex, surrounding the \meta{font name}
+% with square brackets is synonymous to using the |file:| prefix.
%
% Accessing fonts by fontname allows loading system installed fonts as well as
% \textsc{texmf} ones, and requires a font names database; see
@@ -245,20 +258,15 @@ and the derived files
% The supported keys are:
% \begin{description}
% \item [mode] \hfill \\
-% \textsf{luaotfload} has two OpenType processing modes;
-% \texttt{base} or \texttt{node}.
-% Using \texttt{mode=base}
-% only supports a subset of OpenType features and works by mapping those
-% features to traditional \TeX\ ligature and kerning mechanisms and is a bit
-% faster
-% Using \texttt{mode=node} hopefully supports OpenType fully and
-% works by direct processing of the node list with Lua; it is slower and
-% is not designed to work in math mode.
-%
-% By default \texttt{mode=base} is used, but it is advisable to always
-% enable \texttt{node} made, except for math fonts, otherwise many OpenType
-% features will not function properly or even not work at all, especially for
-% advanced scripts like Arabic.
+% \textsf{luaotfload} has two OpenType processing modes; |base| and |node|.
+% |base| mode works by mapping OpenType features to traditional \tex ligature
+% and kerning mechanisms, thus supporting only non-contextual substitutions and
+% kerning pairs, but is slightly faster. |node| works by direct processing of
+% the node list at Lua end and have more wide support of OpenType features but
+% can be slow especially with complex fonts and can't be used in math mode.
+%
+% By default |node| mode is used, and you have to manually force |base| mode
+% when needed e.g. for math fonts.
%
% \item [script] \hfill \\
% OpenType script string, default value is |dflt|. Some fonts don't assign
@@ -272,9 +280,8 @@ and the derived files
% feature files are textual representation of OpenType tables and can be used to
% extend OpenType features of the font on fly. The file name of the feature file
% is passed, then features defined in the file can be enabled/disabled like any
-% other feature. The actual syntax is described at
-% \url{http://fontforge.sourceforge.net/featurefile.html} and
-% \url{http://www.adobe.com/devnet/opentype/afdko/topic_feature_file_syntax.html}.
+% other feature. The syntax is documented in Adobe's
+% \href{http://www.adobe.com/devnet/opentype/afdko/topic_feature_file_syntax.html}{OpenType Feature File Specification}.
%
% For example, to set a |tkrn| feature from |mykern.fea| file:
%
@@ -293,12 +300,12 @@ and the derived files
% Both keys control microtypographic features of the font, namely glyph
% protrusion and expansion. The value of the key is the name of predefined
% Lua tables of protrusion and expansion values; see the end of
-% \texttt{otfl-font-dum.lua} file for an example of such tables. The only
+% |otfl-font-dum.lua| file for an example of such tables. The only
% predefined value is |default|.
%
% For example, to enable default protrusion\footnote{You also need to set
% |\pdfprotrudechars2 \pdfadjustspacing2| to activate protrusion and expansion,
-% respectively. See PDF\TeX\ manual for details}:
+% respectively. See \pdftex manual for details}:
%
% |\font\lmr=Latin Modern Roman:protrusion=default|
%
@@ -309,21 +316,21 @@ and the derived files
% OpenType, currently three features are defined:
%
% \begin{itemize*}
-% \item \texttt{anum}: replaces European numbers with eastern Arabic numbers or
+% \item |anum|: replaces European numbers with eastern Arabic numbers or
% Persian numbers, depending on the value of |language|.
-% \item \texttt{tlig}: applies legacy \TeX\ ligatures (|``''-- -- !` ?` <<>>|).
-% \item \texttt{trep}: applies legacy \TeX\ replacements (|`'"|).
+% \item |tlig|: applies legacy \tex ligatures (|``''-- -- !` ?` <<>>|).
+% \item |trep|: applies legacy \tex replacements (|`'"|).
% \end{itemize*}
%
-% (For \XeTeX\ users: these last two are the equivalent of writing
-% \texttt{mapping=text-tex} using \XeTeX's input remapping feature.)
+% (For \xetex users: these last two are the equivalent of writing
+% |mapping=text-tex| using \xetex's input remapping feature.)
%
%
% \section{Font names database}
% \label{sec:fontdb}
%
% As introduced in the previous section, \textsf{luaotfload} uses a database
-% to keep track of fonts available to \LuaTeX. Using this database, fonts can
+% to keep track of fonts available to \luatex. Using this database, fonts can
% be loaded by font name as well as filename.
%
% When \textsf{luaotfload} is asked to load a font by font name, it will check
@@ -363,7 +370,7 @@ and the derived files
%
% \subsection{Blacklisting fonts}
%
-% Some fonts are problematic in \LuaTeX, if you found that your document takes
+% Some fonts are problematic in \luatex, if you found that your document takes
% too long to compile, or eats all the free memory, you can find the culprit
% file by running |mkluatexfontdb| utility with |-v| option to see which font
% file it is stuck with. You can then instruct \textsf{luaotfload} to ignore
@@ -374,49 +381,47 @@ and the derived files
% can find. You can either use the base name or the full path. Any thing after
% a |%| sign is ignored.
%
-% \section{Required \ConTeXt\ files}
+% \section{Required \context files}
%
-% This package is a wrapper for several files taken from the \ConTeXt\ macro
-% package. The philosophy is to let \ConTeXt\ do all the implementation and
-% update these files from time to time. To do so we did not modify the files
-% taken from \ConTeXt, we only changed their names to prevent name clashes.
-% You can thus update the font system of this package simply by updating the
-% files taken from \ConTeXt, without (theoretically) changing the \texttt{.sty}
-% file nor the main \texttt{.lua} file.
+% This package is a wrapper for several files taken from the \context macro
+% package. The philosophy is to let \context do all the implementation and
+% update these files from time to time. So we try not to modify the files
+% taken from \context as far as possible, but we changed their names to
+% prevent name clashes.
%
-% The \ConTeXt\ files are renamed by adding the prefix \texttt{otfl-} to them
-% (\texttt{otfl} as \texttt{OTF L}oad). The files are:
+% The \context files are renamed by adding the prefix |otfl-| to them
+% (|otfl| as |OTF L|oad). The files are:
%
% \begin{multicols}{3}
% \begin{itemize*}
-% \item \texttt{luat-dum.lua}
-% \item \texttt{data-con.lua}
-% \item \texttt{node-inj.lua}
-% \item \texttt{node-dum.lua}
-% \item \texttt{font-ini.lua}
-% \item \texttt{font-tfm.lua}
-% \item \texttt{font-cid.lua}
-% \item \texttt{font-ott.lua}
-% \item \texttt{font-otf.lua}
-% \item \texttt{font-otd.lua}
-% \item \texttt{font-oti.lua}
-% \item \texttt{font-otb.lua}
-% \item \texttt{font-otn.lua}
-% \item \texttt{font-ota.lua}
-% \item \texttt{font-otc.lua}
-% \item \texttt{font-def.lua}
-% \item \texttt{font-xtx.lua}
-% \item \texttt{font-map.lua}
-% \item \texttt{font-dum.lua}
+% \item |luat-dum.lua|
+% \item |data-con.lua|
+% \item |node-inj.lua|
+% \item |node-dum.lua|
+% \item |font-ini.lua|
+% \item |font-tfm.lua|
+% \item |font-cid.lua|
+% \item |font-ott.lua|
+% \item |font-otf.lua|
+% \item |font-otd.lua|
+% \item |font-oti.lua|
+% \item |font-otb.lua|
+% \item |font-otn.lua|
+% \item |font-ota.lua|
+% \item |font-otc.lua|
+% \item |font-def.lua|
+% \item |font-xtx.lua|
+% \item |font-map.lua|
+% \item |font-dum.lua|
% \end{itemize*}
% \end{multicols}
%
% The following files have been written for this package:
% \begin{multicols}{3}
% \begin{itemize*}
-% \item \texttt{font-clr.lua}
-% \item \texttt{font-nms.lua}
-% \item \texttt{luat-ovr.lua}
+% \item |font-clr.lua|
+% \item |font-nms.lua|
+% \item |luat-ovr.lua|
% \end{itemize*}
% \end{multicols}
%
@@ -434,9 +439,6 @@ and the derived files
%
% |\font\myfont = MyFont.otf:script=latn;+liga;|
%
-% Also remember to set |mode=node| as most OpenType features
-% (such as contextual substitution, |calt|), will not work without it.
-%
% \part{\texttt{luaotfload.lua}}
%
% \iffalse
@@ -446,12 +448,12 @@ and the derived files
% First some usual initializations.
%
% \begin{macrocode}
-module('luaotfload', package.seeall)
+module("luaotfload", package.seeall)
luaotfload.module = {
name = "luaotfload",
- version = 1.20,
- date = "2010/10/16",
+ version = 1.24,
+ date = "2011/02/16",
description = "OpenType layout system.",
author = "Elie Roux & Hans Hagen",
copyright = "Elie Roux",
@@ -468,16 +470,16 @@ local error, warning, info, log = luatexbase.provides_module(luaotfload.module)
% fine even if |\pdfpkresolution| is changed.
%
% \begin{macrocode}
-kpse.init_prog('', 600, '/')
+kpse.init_prog("", 600, "/")
% \end{macrocode}
%
-% The minimal required \LuaTeX\ version.
+% The minimal required \luatex version.
%
% \begin{macrocode}
local luatex_version = 60
if tex.luatexversion < luatex_version then
- warning('LuaTeX v%.2f is old, v%.2f is recommended.',
+ warning("LuaTeX v%.2f is old, v%.2f is recommended.",
tex.luatexversion/100,
luatex_version /100)
end
@@ -502,34 +504,34 @@ end
%
% \subsection{Module loading}
%
-% We load the \ConTeXt\ files with this function. It automatically adds the
-% \texttt{otfl-} prefix to it, so that we call it with the actual \ConTeXt\
+% We load the \context files with this function. It automatically adds the
+% |otfl-| prefix to it, so that we call it with the actual \context
% name.
%
% \begin{macrocode}
function luaotfload.loadmodule(name)
- local tofind = 'otfl-'..name
+ local tofind = "otfl-"..name
local found = kpse.find_file(tofind,"tex")
if found then
- log('loading file %s.', found)
+ log("loading file %s.", found)
dofile(found)
else
- error('file %s not found.', tofind)
+ error("file %s not found.", tofind)
end
end
% \end{macrocode}
%
% We start loading some lua files. These two are some code not used by
-% \ConTeXt\ at all that allow other modules to be used, it provides some
-% low-level \ConTeXt\ functions.
+% \context at all that allow other modules to be used, it provides some
+% low-level \context functions.
%
% \begin{macrocode}
-luaotfload.loadmodule('luat-dum.lua') -- not used in context at all
-luaotfload.loadmodule('luat-ovr.lua') -- override some luat-dum functions
-luaotfload.loadmodule('data-con.lua') -- maybe some day we don't need this one
+luaotfload.loadmodule("luat-dum.lua") -- not used in context at all
+luaotfload.loadmodule("luat-ovr.lua") -- override some luat-dum functions
+luaotfload.loadmodule("data-con.lua") -- maybe some day we don't need this one
% \end{macrocode}
%
-% A hack to remove a warning from \texttt{node-dum.lua} as it is \ConTeXt\
+% A hack to remove a warning from |node-dum.lua| as it is \context
% specific.
%
% \begin{macrocode}
@@ -543,7 +545,7 @@ luaotfload.loadmodule('node-dum.lua')
luaotfload.loadmodule('node-inj.lua')
% \end{macrocode}
%
-% By default \ConTeXt\ takes some private attributes for internal use. To
+% By default \context takes some private attributes for internal use. To
% avoide attribute clashes with other packages, we override the function
% that allocates new attributes, making it a wraper around
% |luatexbase.new_attribute()|. We also prefix attributes with |otfl@| to
@@ -551,7 +553,7 @@ luaotfload.loadmodule('node-inj.lua')
%
% \begin{macrocode}
function attributes.private(name)
- local attr = 'otfl@' .. name
+ local attr = "otfl@" .. name
local number = luatexbase.attributes[attr]
if not number then
number = luatexbase.new_attribute(attr)
@@ -583,8 +585,7 @@ luaotfload.loadmodule('font-dum.lua')
%
% This is a patch for |otfl-font-def.lua|, that defines a reader for ofm
% fonts, this is necessary if we set the forced field of the specification
-% to |ofm|, we use it only when using \textsf{luaotfload}, not
-% |mkluatexfontdb|.
+% to |ofm|.
%
% \begin{macrocode}
if fonts and fonts.tfm and fonts.tfm.readers then
@@ -595,51 +596,34 @@ end
% \textsf{luaotfload} specific modules.
%
% \begin{macrocode}
-luaotfload.loadmodule('font-nms.lua')
-luaotfload.loadmodule('font-clr.lua')
+luaotfload.loadmodule("font-nms.lua")
+luaotfload.loadmodule("font-clr.lua")
% \end{macrocode}
%
% \subsection{Post-processing TFM table}
%
% Here we do some final touches to the loaded TFM table before passing it
-% to the \TeX\ end.
+% to the \tex end.
%
+% First we create a callback for patching fonts on the fly, to be used by
+% other packages.
% \begin{macrocode}
-local function def_font(...)
- local fontdata = fonts.definers.read(...)
- if type(fontdata) == "table" and fontdata.shared then
+luatexbase.create_callback("luaotfload.patch_font", "simple", function() end)
% \end{macrocode}
%
-% First, we add some code to emulate \XeTeX's \cs{fontdimen8},
-% which stores the caps-height of the font. (Cf.\ \cs{fontdimen5} which
-% stores the x-height.)
-%
-% Falls back to measuring the glyph if the font doesn't contain the
-% necessary information.
-% This needs to be extended for fonts that don't contain an `X'.
+% then define a function where font manipulation will take place.
%
% \begin{macrocode}
- local capheight
- local units = fontdata.units
- local size = fontdata.size
- local otfdata = fontdata.shared.otfdata
-
- if otfdata.pfminfo.os2_capheight > 0 then
- capheight = otfdata.pfminfo.os2_capheight / units * size
- else
- if fontdata.characters[string.byte("X")] then
- capheight = fontdata.characters[string.byte("X")].height
- else
- capheight = otfdata.metadata.ascent / units * size
- end
- end
- fontdata.parameters[8] = capheight
+local function def_font(...)
+ local fontdata = fonts.define.read(...)
+ if type(fontdata) == "table" and fontdata.shared then
% \end{macrocode}
%
-% Then we populate \texttt{MathConstants} table, which is required for
+% Then we populate |MathConstants| table, which is required for
% OpenType math.
%
% \begin{macrocode}
+ local otfdata = fontdata.shared.otfdata
if otfdata.metadata.math then
local mc = { }
for k,v in next, otfdata.metadata.math do
@@ -647,41 +631,29 @@ local function def_font(...)
-- keep percent values as is
mc[k] = v
else
- mc[k] = v / units * size
+ mc[k] = v / fontdata.units * fontdata.size
end
end
-- for \overwithdelims
- mc["FractionDelimiterSize"] = 1.01 * size
- mc["FractionDelimiterDisplayStyleSize"] = 2.39 * size
+ mc.FractionDelimiterSize = 1.01 * fontdata.size
+ mc.FractionDelimiterDisplayStyleSize = 2.39 * fontdata.size
fontdata.MathConstants = mc
+ end
% \end{macrocode}
%
-% \LuaTeX\ does not provide interface to accessing
-% \texttt{(Script)ScriptPercentScaleDown} math constants, so we emulate
-% \XeTeX\ behaviour by setting \cs{fontdimen10} and \cs{fontdimen11}.
+% Execute any registered font patching callbacks.
%
% \begin{macrocode}
- if mc["ScriptPercentScaleDown"] then
- fontdata.parameters[10] = mc["ScriptPercentScaleDown"]
- else -- resort to plain TeX default
- fontdata.parameters[10] = 70
- end
- if mc["ScriptScriptPercentScaleDown"] then
- fontdata.parameters[11] = mc["ScriptScriptPercentScaleDown"]
- else -- resort to plain TeX default
- fontdata.parameters[11] = 50
- end
- end
-
+ luatexbase.call_callback("luaotfload.patch_font", fontdata)
end
return fontdata
end
% \end{macrocode}
%
-% \subsection{\ConTeXt\ override}
+% \subsection{\context override}
%
-% Here we override some defaults set in \ConTeXt\ code.
+% Here we override some defaults set in \context code.
%
% \begin{macrocode}
fonts.mode = "node"
@@ -704,35 +676,22 @@ for _,v in next, gsubs do
end
% \end{macrocode}
%
-% Finally two functions
+% Finally we register the callbacks
%
% \begin{macrocode}
-function luaotfload.register_callbacks()
- luatexbase.add_to_callback('pre_linebreak_filter',
- nodes.simple_font_handler,
- 'luaotfload.pre_linebreak_filter')
- luatexbase.add_to_callback('hpack_filter',
- nodes.simple_font_handler,
- 'luaotfload.hpack_filter')
- luatexbase.reset_callback('define_font')
- luatexbase.add_to_callback('define_font',
- def_font,
- 'luaotfload.define_font', 1)
- luatexbase.add_to_callback('find_vf_file',
- fonts.vf.find,
- 'luaotfload.find_vf_file')
-end
-
-function luaotfload.unregister_callbacks()
- luatexbase.remove_from_callback('pre_linebreak_filter',
- 'luaotfload.pre_linebreak_filter')
- luatexbase.remove_from_callback('hpack_filter',
- 'luaotfload.hpack_filter')
- luatexbase.remove_from_callback('define_font',
- 'luaotfload.define_font')
- luatexbase.remove_from_callback('find_vf_file',
- 'luaotfload.find_vf_file')
-end
+luatexbase.add_to_callback("pre_linebreak_filter",
+ nodes.simple_font_handler,
+ "luaotfload.pre_linebreak_filter")
+luatexbase.add_to_callback("hpack_filter",
+ nodes.simple_font_handler,
+ "luaotfload.hpack_filter")
+luatexbase.reset_callback("define_font")
+luatexbase.add_to_callback("define_font",
+ def_font,
+ "luaotfload.define_font", 1)
+luatexbase.add_to_callback("find_vf_file",
+ fonts.vf.find,
+ "luaotfload.find_vf_file")
% \end{macrocode}
%
% \iffalse
@@ -745,7 +704,7 @@ end
%<*package>
% \fi
%
-% Classical Plain+\LaTeX\ package initialization.
+% Classical Plain+\latex package initialization.
%
% \begin{macrocode}
\csname ifluaotfloadloaded\endcsname
@@ -757,39 +716,17 @@ end
\else
\NeedsTeXFormat{LaTeX2e}
\ProvidesPackage{luaotfload}%
- [2010/10/16 v1.20 OpenType layout system]
+ [2011/02/16 v1.24 OpenType layout system]
\RequirePackage{luatexbase}
\fi
-\RequireLuaModule{lualibs}
-
-\expandafter\edef\csname otfl@AtEnd\endcsname{%
- \catcode64 \the\catcode64\relax
-}
-
-\catcode64 11
-% \end{macrocode}
-%
-% Two small macros to register or unregister the callbacks. Without the
-% callbacks this package is totally turned off.
-%
-% \begin{macrocode}
-\def\otfl@off{
-\directlua{luaotfload.unregister_callbacks()}
-}
-\def\otfl@on{
-\directlua{luaotfload.register_callbacks()}
-}
+\RequireLuaModule{lualibs}
% \end{macrocode}
%
-% We load the |lua| file, and we turn the package on.
+% Finally we load the |lua| module.
%
% \begin{macrocode}
\RequireLuaModule{luaotfload}
-
-\otfl@on
-
-\otfl@AtEnd
% \end{macrocode}
% \iffalse
%</package>