```
% pandoc -t native
\titleformat{\chapter}[display]{\normalfont\large\bfseries}{第\thechapter{}章}{20pt}{\Huge}
^D
[RawBlock (Format "tex") "\\titleformat{\\chapter}[display]{\\normalfont\\large\\bfseries}{\31532\\thechapter{}\31456}{20pt}{\\Huge}"]
```
