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%
% luatexja-fontspec.sty
%
\NeedsTeXFormat{LaTeX2e}
\ProvidesPackage{luatexja-fontspec}[2017/01/23 fontspec support of LuaTeX-ja]
\RequirePackage{l3keys2e,luatexja}
\ExplSyntaxOn
%%%%%%%% \g_ltj_fontspec_scale_fp
%% Default scale value for jfont.
\fp_new:N \g_ltj_fontspec_scale_fp
\group_begin:
\fontsize{16}{16}\selectfont
\fp_gset:Nn \g_ltj_fontspec_scale_fp {\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 .fp_gset:N = \g_ltj_fontspec_scale_fp,
unknown .code:n = \PassOptionsToPackage { \l_keys_key_tl } {fontspec},
}
\ProcessKeysOptions{ luatexja-fontspec }
\RequirePackage{fontspec}[2014/06/01]% v2.4
\@ifpackagelater{fontspec}{2017/01/01}%
{\RequirePackage{luatexja-fontspec-25c}}% v2.5c
{\RequirePackage{luatexja-fontspec-24}}% --v2.5a
\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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