+%%%%%% Alternate Japanese Fonts
+%%%% \DeclareAlternateKanjiFont<Benc><Bfam><Bser><Bshape><Aenc><Afam><Aser><Ashape><range>
+% いつも global
+\def\DeclareAlternateKanjiFont#1#2#3#4#5#6#7#8#9{%
+ {\def\ltj@temp@bfont{#1/#2/#3/#4}\def\ltj@temp@afont{#5/#6/#7/#8}%
+ \expandafter\ltj@@altfont@latex#9,,}\ignorespaces}
+\def\ltj@@altfont@latex#1,{\def\ltj@temp{#1}%
+ \ifx\ltj@temp\empty\let\@next=\relax\else
+ \ltj@@altfont@latexA{#1}\let\@next=\ltj@@altfont@latex\fi\@next}
+\def\ltj@@altfont@latexA#1{\ltj@@altfont@latexB#1--\@nil}
+\def\ltj@@altfont@latexB#1-#2-#3\@nil{\def\ltj@temp{#3}%
+ \ifx\ltj@temp\empty
+ \ltj@tempcnta=#1\relax\ltj@tempcntb=\ltj@tempcnta
+ \else
+ \def\ltj@temp{#1}%
+ \ifx\ltj@temp\empty\ltj@tempcnta='200\else\ltj@tempcnta=#1\fi\relax
+ \def\ltj@temp{#2}%
+ \ifx\ltj@temp\empty\ltj@tempcntb="10FFFF\else\ltj@tempcntb=#2\fi\relax%"
+ \fi
+ \directlua{luatexja.jfont.set_alt_font_latex(
+ \the\ltj@tempcnta,\the\ltj@tempcntb,
+ '\luatexluaescapestring{\ltj@temp@afont}',
+ '\luatexluaescapestring{\ltj@temp@bfont}')}%
+ }
+
+%%%% \ClearAlternateKanjiFont<Benc><Bfam><Bser><Bshape>
+% いつも global
+\def\ClearAlternateKanjiFont#1#2#3#4{%
+ \directlua{luatexja.jfont.clear_alt_font_latex('\luatexluaescapestring{#1/#2/#3/#4}')}}
+
+\def\ltj@pickup@altfont@aux#1{%
+ {\edef\font@name{\csname #1/\f@size\endcsname}\pickup@jfont}%
+}
+\def\ltj@pickup@altfont@copy#1#2{%
+ \ltj@@getjfontnumber#1%
+ \directlua{luatexja.jfont.pickup_alt_font_b(\the\ltj@tempcntc,'\luatexluaescapestring{#2}')}%
+}
+
+\def\ltj@@does@alt@set#1{%
+ \directlua{luatexja.jfont.does_alt_set'\luatexluaescapestring{#1}'}}
+