The first light

tex/compat/nodetree/nodetree.sty

+%%
+%% This is file `nodetree.sty',
+%% generated with the docstrip utility.
+%%
+%% The original source files were:
+%%
+%% nodetree.dtx  (with options: `package')
+%% 
+%% This is a generated file.
+%% 
+%% Copyright (C) 2016 by Josef Friedrich <josef@friedrich.rocks>
+%% ----------------------------------------------------------------------
+%% This work may be distributed and/or modified under the conditions of
+%% the LaTeX Project Public License, either version 1.3c of this license
+%% or (at your option) any later version. The latest version of this
+%% license is in:
+%% 
+%%   http://www.latex-project.org/lppl.txt
+%% 
+%% and version 1.3c or later is part of all distributions of LaTeX
+%% version 2008/05/05 or later.
+%% 
+\NeedsTeXFormat{LaTeX2e}[1999/12/01]
+\ProvidesPackage{nodetree}
+    [2016/07/18 v1.2 Visualize node lists in a tree view]
+\input{nodetree}
+\directlua{
+  nodetree.set_option('engine', 'lualatex')
+}
+\RequirePackage{kvoptions}
+\SetupKeyvalOptions{
+  family=NT,
+  prefix=NT@
+}
+\DeclareStringOption[term]{channel}
+\define@key{NT}{channel}[]{\nodetreeoption[channel]{#1}}
+\DeclareStringOption[postlinebreak]{callback}
+\define@key{NT}{callback}[]{\nodetreeoption[callback]{#1}}
+\DeclareStringOption[1]{verbosity}
+\define@key{NT}{verbosity}[]{\nodetreeoption[verbosity]{#1}}
+\DeclareStringOption[colored]{color}
+\define@key{NT}{color}[]{\nodetreeoption[color]{#1}}
+\DeclareStringOption[1]{unit}
+\define@key{NT}{unit}[]{\nodetreeoption[unit]{#1}}
+\DeclareStringOption[1]{decimalplaces}
+\define@key{NT}{decimalplaces}[]{\nodetreeoption[decimalplaces]{#1}}
+\ProcessKeyvalOptions*
+\directlua{
+  nodetree.set_default_options()
+  nodetree.register_callbacks()
+}
+\newcommand{\nodetreeset}[1]{\setkeys{nodetree}{#1}}
+\endinput
+%%
+%% End of file `nodetree.sty'.