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+%%
+%% Ein Beispiel der DANTE-Edition
+%%
+%% 1. Auflage
+%%
+%% Beispiel 03-08-1 auf Seite 56.
+%%
+%% Copyright (C) 2013 Herbert Voss
+%%
+%% It may be distributed and/or modified under the conditions
+%% of the LaTeX Project Public License, either version 1.3
+%% of this license or (at your option) any later version.
+%%
+%% See http://www.latex-project.org/lppl.txt for details.
+%%
+%%
+%% ====
+% Show page(s) 1
+%%
+%%
+\documentclass[]{examinimal}
+\pagestyle{empty}
+\setlength\textwidth{352.81416pt}
+\setlength\parindent{0pt}
+%StartShownPreambleCommands
+\documentclass{minimal}
+\usepackage{luacode}
+\begin{luacode*}
+local out=assert(io.open("target/CP/xlist.nodes","w"))
+local n=node.types()
+function printnode(head)
+while head do
+ if head.id==8 then out:write(head.id..","..head.subtype) -- ein whatsit
+ else out:write(string.format("%3d",head.id))
+ end
+ if head.id==37 then out:write("\"",string.char(head.char),"\" ->")
+ else out:write(" ->")
+ end
+ if head.next == nil then out:write("nil")
+ else out:write(string.format("%3d",head.next.id))
+ end
+ out:write(" ("..n[head.id].."->")
+ if head.next==nil then out:write("nil)\n")
+ else out:write(n[head.next.id]..")\n")
+ end
+ if head.id==0 or head.id==1 then printnode(head.head) -- Rekursion
+ end
+ head=head.next
+end
+return true
+end
+luatexbase.add_to_callback("post_linebreak_filter",printnode,"printnode")
+\end{luacode*}
+%StopShownPreambleCommands
+\begin{document}
+abc1
+\end{document}