\:CheckOption{7}     \if:Option
  
     \expandafter\ifx \csname @chapter\endcsname\relax
  
          <.cut toc: part.>      cut toc before cutat
  
          <.cutat: part.>
  
          <.cut toc: sec.>
  
          <.cutat: sec (no ch).>
  
          <.cut toc: subsec.>
  
          <.cutat: subsection (no ch).>
  
          <.cut toc: subsubsec.>
  
          <.cutat: subsubsection (no ch).>
  
          <.cut toc: paragraph.>
  
          <.cutat: paragraph (no ch).>
  
          <.cut toc: subparagraph.>
  
          <.cutat: subparagraph (no ch).>
  
          <.tocat: part, no chapter.>
  
          <.tocat: section.>
  
          <.tocat: subsection.>
  
          <.tocat: subsubsection.>
  
          <.tocat: paragraph.>
  
     \else
  
          <.cut toc: part.>      cut toc before cutat
  
          <.cutat: part.>
  
          <.cut toc: ch.>
  
          <.cutat: chapter.>
  
          <.cut toc: sec.>
  
          <.cutat: sec.>
  
          <.cut toc: subsec.>
  
          <.cutat: subsection.>
  
          <.cut toc: subsubsec.>
  
          <.cutat: subsubsection.>
  
          <.cut toc: paragraph.>
  
          <.cutat: paragraph.>
  
          <.cut toc: subparagraph.>
  
          <.cutat: subparagraph.>
  
          <.tocat: part.>
  
          <.tocat: ch.>
  
          <.tocat: section.>
  
          <.tocat: subsection.>
  
          <.tocat: subsubsection.>
  
          <.tocat: paragraph.>
  
     \fi
  
     <.object tocs.>
  
 \else\:CheckOption{6}     \if:Option
  
     \expandafter\ifx \csname @chapter\endcsname\relax
  
          <.cut toc: part.>      cut toc before cutat
  
          <.cutat: part.>
  
          <.cut toc: sec.>
  
          <.cutat: sec (no ch).>
  
          <.cut toc: subsec.>
  
          <.cutat: subsection (no ch).>
  
          <.cut toc: subsubsec.>
  
          <.cutat: subsubsection (no ch).>
  
          <.cut toc: paragraph.>
  
          <.cutat: paragraph (no ch).>
  
          <.tocat: part, no chapter.>
  
          <.tocat: section.>
  
          <.tocat: subsection.>
  
          <.tocat: subsubsection.>
  
     \else
  
          <.cut toc: part.>      cut toc before cutat
  
          <.cutat: part.>
  
          <.cut toc: ch.>
  
          <.cutat: chapter.>
  
          <.cut toc: sec.>
  
          <.cutat: sec.>
  
          <.cut toc: subsec.>
  
          <.cutat: subsection.>
  
          <.cut toc: subsubsec.>
  
          <.cutat: subsubsection.>
  
          <.cut toc: paragraph.>
  
          <.cutat: paragraph.>
  
          <.tocat: part.>
  
          <.tocat: ch.>
  
          <.tocat: section.>
  
          <.tocat: subsection.>
  
          <.tocat: subsubsection.>
  
     \fi
  
     <.object tocs.>
  
 \else \:CheckOption{5}     \if:Option
  
     \expandafter\ifx \csname @chapter\endcsname\relax
  
          <.cut toc: part.>      cut toc before cutat
  
          <.cutat: part.>
  
          <.cut toc: sec.>
  
          <.cutat: sec (no ch).>
  
          <.cut toc: subsec.>
  
          <.cutat: subsection (no ch).>
  
          <.cut toc: subsubsec.>
  
          <.cutat: subsubsection (no ch).>
  
          <.tocat: part, no chapter.>
  
          <.tocat: section.>
  
          <.tocat: subsection.>
  
     \else
  
          <.cut toc: part.>      cut toc before cutat
  
          <.cutat: part.>
  
          <.cut toc: ch.>
  
          <.cutat: chapter.>
  
          <.cut toc: sec.>
  
          <.cutat: sec.>
  
          <.cut toc: subsec.>
  
          <.cutat: subsection.>
  
          <.cut toc: subsubsec.>
  
          <.cutat: subsubsection.>
  
          <.tocat: part.>
  
          <.tocat: ch.>
  
          <.tocat: section.>
  
          <.tocat: subsection.>
  
     \fi
  
     <.object tocs.>
  
 \else\:CheckOption{4}     \if:Option
  
     \expandafter\ifx \csname @chapter\endcsname\relax
  
          <.cut toc: part.>      cut toc before cutat
  
          <.cutat: part.>
  
          <.cut toc: sec.>
  
          <.cutat: sec (no ch).>
  
          <.cut toc: subsec.>
  
          <.cutat: subsection (no ch).>
  
          <.tocat: part, no chapter.>
  
          <.tocat: section.>
  
     \else
  
          <.cut toc: part.>      cut toc before cutat
  
          <.cutat: part.>
  
          <.cut toc: ch.>
  
          <.cutat: chapter.>
  
          <.cut toc: sec.>
  
          <.cutat: sec.>
  
          <.cut toc: subsec.>
  
          <.cutat: subsection.>
  
          <.tocat: part.>
  
          <.tocat: ch.>
  
          <.tocat: section.>
  
     \fi
  
     <.object tocs.>
  
 \else\:CheckOption{3}     \if:Option
  
     \expandafter\ifx \csname @chapter\endcsname\relax
  
          <.cut toc: part.>      cut toc before cutat
  
          <.cutat: part.>
  
          <.cut toc: sec.>
  
          <.cut toc: subsec.>
  
          <.cutat: subsection (no ch).>
  
          <.tocat: part, no chapter.>
  
          <.tocat: section.>
  
          <.cutat: sec (no ch).>
  
     \else
  
          <.cut toc: part.>      cut toc before cutat
  
          <.cutat: part.>
  
          <.cut toc: ch.>
  
          <.cutat: chapter.>
  
          <.cut toc: sec.>
  
          <.cutat: sec.>
  
          <.tocat: part.>
  
          <.tocat: ch.>
  
     \fi
  
     <.object tocs.>
  
 \else\:CheckOption{2}     \if:Option
  
     \expandafter\ifx \csname @chapter\endcsname\relax
  
          <.cut toc: part.>      cut toc before cutat
  
          <.cutat: part.>
  
          <.cut toc: sec.>
  
          <.cutat: sec (no ch).>
  
          <.tocat: part, no chapter.>
  
     \else
  
          <.cut toc: part.>      cut toc before cutat
  
          <.cutat: part.>
  
          <.cut toc: ch.>
  
          <.cutat: chapter.>
  
          <.tocat: part.>
  
     \fi
  
     <.object tocs.>
  
 \else\:CheckOption{1}     \if:Option
  
     <.cut toc: part.>      cut toc before cutat
  
     <.cutat: part.>
  
     <.object tocs.>
  
 \else
  
     \Log:Note{for automatic sectioning
  
         pagination, use the command line option
  
                      ‘1’, ‘2’, ‘3’, ’4’, ’5’, ’6’, or ’7’}%
  
 \fi \fi \fi \fi \fi \fi  \fi -_-_-
   
 
    \CutAt{part}
  
 \CutAt{likepart}
-_-_-
   
 
    \CutAt{chapter,likechapter,appendix,part}
  
 \CutAt{likechapter,appendix,part}
  
 \CutAt{appendix,chapter,likechapter,part}
-_-_-
   
 
    \CutAt{section,likesection,chapter,likechapter,appendix,part}
  
 \CutAt{likesection,chapter,likechapter,appendix,part}
-_-_-
   
 
    \CutAt{section,likesection,part}
  
 \CutAt{likesection,part}
-_-_-
   
 
    \CutAt{subsection,section,likesection,%
  
                   chapter,likechapter,appendix,part}
  
 \CutAt{likesubsection,section,likesection,%
  
                   chapter,likechapter,appendix,part}
-_-_-
   
 
    \CutAt{subsection,section,likesection,part}
  
 \CutAt{likesubsection,section,likesection,part}
-_-_-
   
 
   
   
   
    \:CheckOption{sec-filename}   \if:Option \else
  
     \Log:Note{for files named derived from section
  
         titles, use the command line option ‘sec-filename’}%
  
 \fi
-_-_-
   
 
    \:CheckOption{7}
  
     \if:Option \else \:CheckOption{6}\fi
  
     \if:Option \else \:CheckOption{5}\fi
  
     \if:Option \else \:CheckOption{4}\fi
  
     \if:Option \else \:CheckOption{3}\fi
  
     \if:Option \else \:CheckOption{2}\fi
  
     \if:Option \else \:CheckOption{1}\fi
  
 \if:Option
  
     \:CheckOption{sec-filename}
  
     \if:Option
  
        <.section names for cutat files.>
  
     \else
  
        \Log:Note{For section filenames that reflect on
  
                  their titles use the command line
  
                  option ‘sec-filename’}
  
     \fi
  
 \fi -_-_-
   
 
    \Configure{CutAt-filename}{%
  
    \ifx \:NxtNwFN\:Undef
  
       <.temp := clear non-brace characters.>%
  
       <.temp := clear brace characters.>%
  
       \tmp:cnt=0       \uniq:fn
  
    \fi
  
 }
  
 \def\uniq:fn{%
  
    \expandafter\ifx
  
         \csname ct:fn\:temp
  
                 \ifnum \tmp:cnt>0 \the\tmp:cnt\fi\endcsname\relax
  
       \expandafter\global\expandafter\let
  
                   \csname ct:fn\:temp
  
                           \ifnum\tmp:cnt>0 \the\tmp:cnt\fi
  
                            \endcsname=\def
  
       \ifx \:temp\empty \else
  
          \NextFile{\:temp
  
                    \ifnum \tmp:cnt>0 \the\tmp:cnt\fi .\:html}%
  
       \fi
  
    \else
  
       \advance\tmp:cnt by 1 \expandafter\uniq:fn
  
    \fi
  
 }
  
 \NewConfigure{sec-filename*}{1} -_-_-
   
 
    \tmp:toks={#2}%
  
 \immediate\openout15=\jobname .tmp
  
 \immediate\write15{\string\next{\the\tmp:toks}}%
  
 \immediate\closeout15
  
 \bgroup
  
   \def\next{\csname no:catcodes\endcsname{92}{92}{9}%
  
             \xdef\:temp}%
  
   \csname no:catcodes\endcsname{32}{47}{9}%
  
   \csname no:catcodes\endcsname{58}{64}{9}%
  
   \csname no:catcodes\endcsname{91}{91}{9}%
  
   \csname no:catcodes\endcsname{93}{96}{9}%
  
   \csname no:catcodes\endcsname{126}{126}{9}%
  
   \csname a:sec-filename*\endcsname
  
   \input \jobname .tmp
  
 \egroup
-_-_-
   
 
    \immediate\openout15=\jobname .tmp
  
 \immediate\write15{\string\next[\:temp]}%
  
 \immediate\closeout15
  
 \bgroup
  
   \def\next{\xdef\:temp}%
  
   \csname no:catcodes\endcsname{91}{91}{1}%
  
   \csname no:catcodes\endcsname{93}{93}{2}%
  
   \csname no:catcodes\endcsname{123}{123}{9}%
  
   \csname no:catcodes\endcsname{125}{125}{9}%
  
   \input \jobname .tmp
  
 \egroup
-_-_-