path: root/Master/texmf-dist/doc/luatex/luaintro/03-11-1.tex

\setbox0\hbox{\vbox{\hbox{ab}\par\hbox{c1}}}
\directlua{require("viznodelist")
           viznodelist.nodelist_visualize(0,"./03-11-1.gv")}
\box0
\bye