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%
% luatexja-fontspec.sty
%
\NeedsTeXFormat{LaTeX2e}
\ProvidesPackage{luatexja-fontspec}[2019/03/20 fontspec support of LuaTeX-ja]
\RequirePackage{l3keys2e,luatexja}
\ExplSyntaxOn
\cs_if_exist:NF \Cjascale {
%% Default scale value for jfont.
\group_begin:
\fontsize{16}{16}\selectfont
\cs_gset:Npx \Cjascale { \fp_to_decimal:n {\zw / 16} }
\group_end:
}
\bool_new:N \__ltj_fontspec_match_bool
\keys_define:nn { luatexja-fontspec }
{
match .bool_set:N = \__ltj_fontspec_match_bool,
match .default:n = true,
pass .code:n = \PassOptionsToPackage{#1} {fontspec},
% 互換性のために残したオプション
scale .code:n = \gdef\Cjascale{#1},
unknown .code:n = \PassOptionsToPackage { \l_keys_key_tl } {fontspec},
}
\ProcessKeysOptions{ luatexja-fontspec }
\RequirePackage{fontspec}[2017/01/01]% v2.5c
\@ifpackagelater{fontspec}{2018/07/29}%
{\@ifpackagelater{fontspec}{2019/03/15}%
{\RequirePackage{luatexja-fontspec-27c}} % v2.7c
{\RequirePackage{luatexja-fontspec-26h}}}% v2.6h
{\RequirePackage{luatexja-fontspec-25c}} % v2.5c
\ExplSyntaxOff
%%%%%%%% Now we completely ignore kanjifont definition file.
\def\@ltj@use@fd{false}
% We must redefine \try@load@fontshape to ignore kanjifont definitions at all.
\def\try@load@fontshape{%
\expandafter
\ifx\csname \f@encoding+\f@family\endcsname\relax
\directlua{luatexja.jfont.is_kenc('\luatexluaescapestring{\f@encoding}')}%
\ifin@\else % Alphabetic font
\@font@info{Try loading font information for \f@encoding+\f@family}%
\global\expandafter\let
\csname\f@encoding+\f@family\endcsname\@empty
\nfss@catcodes
\let\nfss@catcodes\relax
\edef\reserved@a{%
\lowercase{%
\noexpand\InputIfFileExists{\f@encoding\f@family.fd}}}%
\reserved@a\relax
{\@input@{\f@encoding\f@family.fd}}%
\fi
\fi}
\endinput
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