![右下角的框](https://linux22.com/image/268180/%E5%8F%B3%E4%B8%8B%E8%A7%92%E7%9A%84%E6%A1%86.png)
我正在用 LaTeX 准备一张海报,我希望我的方块只在右下角有一半的方框。这意味着我想画一个只由两条线组成的半框。有人能帮我吗?
答案1
\documentclass{article}
\def\fbx#1{\vbox{\hbox{\hbox{#1}\setbox0\lastbox\copy0\kern\fboxsep\vrule width\fboxrule depth\dimexpr \fboxsep+\dp0\relax}%
\hrule height\fboxrule}}
\begin{document}
\fbx{hello}
\bigskip
\fbx{\parbox{3cm}{a a a a a a a a a a a a a a a a a a a a a}}
\end{document}