\newwrite\texdefoutput
\immediate\openout\texdefoutput=${output}
<l:if cond="list + find > 0">
\makeatletter
\expandafter\def\csname ver@kvoptions.sty\endcsname{0000/00/00}
\let\SetupKeyvalOptions\@gobble
\newcommand\DeclareStringOption[2][]{}
\newcommand\DeclareBoolOption[2][false]{\expandafter\newif\csname ifcurrfile@#2\endcsname\csname currfile@#2#1\endcsname}
\let\DeclareVoidOption\@gobbletwo
\def\ProcessKeyvalOptions{\@ifstar{}{}}
\def\currfile@mainext{tex}
\def\currfile@maindir{\@currdir}
\let\ifcurrfile@fink\iffalse
\makeatother
\RequirePackage{filehook}
\RequirePackage{currfile}
\makeatletter
\expandafter\let\csname ver@kvoptions.sty\endcsname\relax
\let\SetupKeyvalOptions\@undefined
\let\DeclareBoolOption\@undefined
\let\DeclareStringOption\@undefined
\let\DeclareVoidOption\@undefined
\let\ProcessKeyvalOptions\@undefined
\makeatother
</l:if>
<l:if cond="list > 0">
\AtBeginOfEveryFile{\message{^^J$[n]{entering}\currfilename^^J}}
\AtEndOfEveryFile{\message{^^J$[n]{leaving}\currfilename^^J}}
</l:if>
<l:if cond="find > 0">
<l:for names="_, mac" in="ipairs(macro)">
{\expandafter}\expandafter
\ifx\csname ${mac}\expandafter\endcsname\csname @undefined\endcsname
  \AtBeginOfFiles{{{\expandafter}\expandafter
    \ifx\csname ${mac}\expandafter\endcsname\csname @undefined\endcsname
    \else
      \ClearHook\AtBeginOfFiles{}\relax
      \ClearHook\AtEndOfFiles{}\relax
      \csname currfile@pop\endcsname
      \begingroup\immediate\write\texdefoutput{\expandafter\string\csname ${mac}\endcsname${defined}\currfilename}\expandafter\endgroup
    \fi}}
  \csname currfile@push\endcsname
  \AtEndOfFiles{{{\expandafter}\expandafter
    \ifx\csname ${mac}\expandafter\endcsname\csname @undefined\endcsname
    \else
      \ClearHook\AtBeginOfFiles{}\relax
      \ClearHook\AtEndOfFiles{}\relax
      \begingroup\immediate\write\texdefoutput{\expandafter\string\csname ${mac}\endcsname${defined}\currfilename}\expandafter\endgroup
    \fi}}
\else
  \begingroup\immediate\write\texdefoutput{\expandafter\string\csname ${mac}\endcsname${defined}${fmt}}\expandafter\endgroup
\fi
</l:for>
</l:if>
<l:if cond="beforeclass"><l:include filename="sub"/></l:if>
<l:if cond="class">\documentclass${class}</l:if>
<l:if cond="list > 0">\tracingassigns=1\relax</l:if>
<l:for names="_, pkg" in="ipairs(package or {})">\usepackage${pkg}</l:for>
<l:if cond="preamble"><l:include filename="sub"/></l:if>
<l:for names="_, code" in="ipairs(othercode or {})">${code}</l:for>
<l:if cond="list > 0">\tracingassigns=0\relax</l:if>
<l:if cond="class">\begin{document}</l:if>
<l:for names="_, env" in="ipairs(environment or {})">\begin${env}</l:for>
<l:if cond="not preamble and not beforeclass"><l:include filename="sub"/></l:if>
<l:for names="k, _" in="ipairs(environment or {})">\end${environment[#environment + 1 - k]}</l:for>
\immediate\closeout\texdefoutput