+\setbox1=\copy0
+{\obeylines\seventt\baselineskip=10pt
+\directlua{luatexja.ext_show_node_list(tex.box[1], 'lastbox> ', tex.print)}\par}
+\setbox0=\hbox{\yoko \ltjsetwd1=50pt}
+{\obeylines\seventt\baselineskip=10pt
+\directlua{luatexja.ext_show_node_list(tex.box[1], 'dir node1> ', tex.print)}\par}
+\setbox0=\hbox{\dtou \ltjsetwd1=2pt}
+{\obeylines\seventt\baselineskip=10pt
+\directlua{luatexja.ext_show_node_list(tex.box[1], 'dir node2> ', tex.print)}\par}
+
+\setbox0=\hbox{\yoko \ltjsetht1=30pt}
+{\obeylines\seventt\baselineskip=10pt
+\directlua{luatexja.ext_show_node_list(tex.box[1], 'alter Yht> ', tex.print)}\par}
+