\def\dumplist#1{\par\noindent\leavevmode
\hbox to 0.2\hsize{\copy#1\hss}%
\vbox{\hsize=0.6\hsize\sixtt\baselineskip=7.2pt\sixgt\let\\=\relax
-\directlua{ltj.ext_show_node_list(tex.getbox(#1).head, '\\par ', tex.print)}\hrule}}
+\directlua{luatexja.ext_show_node_list(tex.getbox(#1).head, '\\par ', tex.print)}\hrule}}
\ltjsetparameter{yalbaselineshift=0pt,yjabaselineshift=0pt}
\setbox0=\hbox{\d Hy}\dumplist0