%#!lualatex
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\usepackage[margin=20mm]{geometry}
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\noindent 漢字漢字ちょっと\textgt{チェック}

「漢字←全角二分下がり？\\
「あいうえお」\textgt{「かきくけこ」}{\Large 「}

次ページ以下の例は「\texttt{min10}フォントについて」（乙部厳己）中のp.~8から拝借．
\def\g#1#2#3{\leavevmode\vbox{\hsize=100pt%
\hrule height 1pt depth 0pt
\vskip#3pt\hbox{\vrule width 40pt height 0.2pt depth 0.2pt\kern-40pt
\jfont\e=file:#1:jfm=#2 at 20pt\e あいう◆漢}\vskip-#3pt
\hrule height 0pt depth 1pt}: #1, jfm=#2, yjabaselineshift=#3pt\par\bigskip}

\newpage
\paragraph{valign.luaなし}\

\g{KozGoPr6N-Medium.otf}{ujis}{0}
\g{KozGoPr6N-Medium.otf}{jis}{0.7563636}
\g{KozGoPr6N-Medium.otf}{jis}{0}
\g{ipaexg.ttf}{ujis}{0}
\g{ipaexg.ttf}{jis}{0.7563636}
\g{ipaexg.ttf}{jis}{0}
\g{hgrgm.ttc}{ujis}{0}
\g{hgrgm.ttc}{jis}{0}
\g{hgrgm.ttc}{jis}{0.7563636}

\g{KozGoPr6N-Medium.otf}{test2}{0}
\g{ipaexg.ttf}{test2}{0}
\g{hgrgm.ttc}{test2}{0}

\newpage
\directlua{dofile('valign.lua')}
\paragraph{valign.luaあり}\ 

\g{KozGoPr6N-Medium.otf}{ujis}{0}
\g{KozGoPr6N-Medium.otf}{jis}{0.7563636}
\g{KozGoPr6N-Medium.otf}{jis}{0}
\g{ipaexg.ttf}{ujis}{0}
\g{ipaexg.ttf}{jis}{0.7563636}
\g{ipaexg.ttf}{jis}{0}
\g{hgrgm.ttc}{ujis}{0}
\g{hgrgm.ttc}{jis}{0}
\g{hgrgm.ttc}{jis}{0.7563636}

\g{KozGoPr6N-Medium.otf}{test2}{0}
\g{ipaexg.ttf}{test2}{0}
\g{hgrgm.ttc}{test2}{0}
\end{document}