%#!luatex
\input luatexja.sty
+\hoffset=-0.5in
+\hsize=\dimexpr 210mm-1in
\def\gbox#1{\noindent\setbox0=\hbox{\d#1}
\vrule height 0.2pt depth 0.2pt width \dimexpr \wd0+10pt\relax
\kern\dimexpr -\wd0-5pt\relax\vrule height\ht0 depth \dp0\hbox{\copy0}%
\def\frac#1#2{{#1\over#2}}
\def\D{%
- \vrule width 40pt height 0.4pt depth 0pt%
+ \vrule width 20pt height 0.4pt depth 0pt%
+ \everymath{\displaystyle}
積分abc%
- $\displaystyle あ\vrule width 0.4ptheight 10pt depth 10pt
- \int_0^x t\,dt = \frac{x^2}2 \hbox{いx}$
- \vrule width 40pt height 0.4pt depth 0pt\par
+ $\int_0^x t\,dt = \frac{x^2}2$,\
+ $\left(\int_D d\omega=\int_{\partial D}\omega\right)$,\
+ $Aあ\kern2pt\vrule width 0.4pt height 10pt depth 10pt
+ \kern-2pt\vrule width 4pt height 0.4pt depth 0pt
+ \hbox{\vrule width 20pt height 0.4pt depth 0pt\kern-20pt Bい}$
+ \vrule width 20pt height 0.4pt depth 0pt
}
\baselineskip=40pt
-\R{ 0pt}{ 0pt}\D
-\R{ 0pt}{10pt}\D
-\R{10pt}{ 0pt}\D
-\R{10pt}{ 5pt}\D
+\R{ 0pt}{ 0pt}\D\par
+\R{ 0pt}{10pt}\D\par
+\R{10pt}{ 0pt}\D\par
+\R{ 0pt}{10pt}\D\hfil\break
+\setbox0=\hbox{\D}\vrule width 20pt height 0.4pt depth 0pt
+\ltjsetparameter{yalbaselineshift=-10pt}
+abc\unhcopy0\vrule width 20pt height 0.4pt depth 0pt\par
+
+
\end