%%
%% This is file `latexrelease.sty',
%% generated with the docstrip utility.
%%
%% The original source files were:
%%
%% ltclass.dtx  (with options: `latexreleasefirst,tracerollback')
%% ltvers.dtx  (with options: `latexrelease')
%% latexrelease.dtx  (with options: `latexrelease')
%% ltdirchk.dtx  (with options: `latexrelease')
%% ltexpl.dtx  (with options: `latexrelease')
%% ltdefns.dtx  (with options: `latexrelease')
%% lthooks.dtx  (with options: `latexrelease')
%% ltalloc.dtx  (with options: `latexrelease')
%% ltcntrl.dtx  (with options: `latexrelease')
%% lterror.dtx  (with options: `latexrelease')
%% ltpar.dtx  (with options: `latexrelease')
%% ltlists.dtx  (with options: `latexrelease')
%% ltboxes.dtx  (with options: `latexrelease')
%% lttab.dtx  (with options: `latexrelease')
%% ltmath.dtx  (with options: `latexrelease')
%% ltpictur.dtx  (with options: `latexrelease')
%% ltthm.dtx  (with options: `latexrelease')
%% ltsect.dtx  (with options: `latexrelease')
%% ltfiles.dtx  (with options: `latexrelease')
%% ltoutenc.dtx  (with options: `latexrelease')
%% ltcounts.dtx  (with options: `latexrelease')
%% ltlength.dtx  (with options: `latexrelease')
%% ltfloat.dtx  (with options: `latexrelease')
%% ltidxglo.dtx  (with options: `latexrelease')
%% ltbibl.dtx  (with options: `latexrelease')
%% ltpage.dtx  (with options: `latexrelease')
%% ltfilehook.dtx  (with options: `latexrelease')
%% ltshipout.dtx  (with options: `latexrelease')
%% ltoutput.dtx  (with options: `latexrelease')
%% ltclass.dtx  (with options: `latexrelease,tracerollback')
%% ltspace.dtx  (with options: `latexrelease')
%% ltlogos.dtx  (with options: `latexrelease')
%% ltplain.dtx  (with options: `latexrelease')
%% ltfssdcl.dtx  (with options: `latexrelease')
%% ltfssini.dtx  (with options: `latexrelease')
%% fontdef.dtx  (with options: `latexrelease')
%% ltfntcmd.dtx  (with options: `latexrelease')
%% lttextcomp.dtx  (with options: `latexrelease')
%% ltfssbas.dtx  (with options: `latexrelease')
%% ltfssaxes.dtx  (with options: `latexrelease')
%% ltfsstrc.dtx  (with options: `latexrelease')
%% ltfsscmp.dtx  (with options: `latexrelease')
%% ltpageno.dtx  (with options: `latexrelease')
%% ltxref.dtx  (with options: `latexrelease')
%% ltmiscen.dtx  (with options: `latexrelease')
%% ltluatex.dtx  (with options: `latexrelease')
%% ltexpl.dtx  (with options: `latexrelease')
%% ltfinal.dtx  (with options: `latexrelease')
%% 
%% This is a generated file.
%% 
%% The source is maintained by the LaTeX Project team and bug
%% reports for it can be opened at https://latex-project.org/bugs.html
%% (but please observe conditions on bug reports sent to that address!)
%% 
%% 
%% Copyright (C) 1993-2020
%% The LaTeX3 Project and any individual authors listed elsewhere
%% in this file.
%% 
%% This file was generated from file(s) of the LaTeX base system.
%% --------------------------------------------------------------
%% 
%% It 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
%%    https://www.latex-project.org/lppl.txt
%% and version 1.3c or later is part of all distributions of LaTeX
%% version 2008 or later.
%% 
%% This file has the LPPL maintenance status "maintained".
%% 
%% This file may only be distributed together with a copy of the LaTeX
%% base system. You may however distribute the LaTeX base system without
%% such generated files.
%% 
%% The list of all files belonging to the LaTeX base distribution is
%% given in the file `manifest.txt'. See also `legal.txt' for additional
%% information.
%% 
%% The list of derived (unpacked) files belonging to the distribution
%% and covered by LPPL is defined by the unpacking scripts (with
%% extension .ins) which are part of the distribution.
%%% From File: ltclass.dtx
\def\@parse@version#1/#2/#3#4#5\@nil{%
\@parse@version@dash#1-#2-#3#4\@nil
}
\def\@parse@version@dash#1-#2-#3#4#5\@nil{%
  \if\relax#2\relax\else#1\fi#2#3#4 }
\let\pkgcls@debug\@gobble
\def\requestedLaTeXdate{0}
\ifx\pkgcls@targetdate\@undefined
  \newcount\pkgcls@targetdate
\fi
\let\pkgcls@targetlabel\@empty
\def\pkgcls@innerdate{\maxdimen}
\let\pkgcls@candidate\@empty
\let\pkgcls@releasedate\@empty
\ifx\load@onefilewithoptions\@undefined
 \let\load@onefilewithoptions\@onefilewithoptions
 \def\@onefilewithoptions#1[#2][#3]#4{%
  \pkgcls@debug{--- File loaded request (\noexpand\usepackage or ...)}%
  \pkgcls@debug{\@spaces 1: #1}%
  \pkgcls@debug{\@spaces 2: #2}%
  \pkgcls@debug{\@spaces 3: #3}%
  \pkgcls@debug{\@spaces 4: #4}%
  \def\pkgcls@name{#1}%                  % for info message
  \def\pkgcls@arg {#3}%                  % for info message
  \pkgcls@parse@date@arg{#3}%
  \let\pkgcls@candidate\@empty
  \begingroup
  \edef\reserved@a{%
    \endgroup
    \unexpanded{\load@onefilewithoptions#1[#2]}%
    [\pkgcls@mindate]%
    \unexpanded{#4}}%
   \reserved@a
 }
\fi
\def\pkgcls@parse@date@arg #1{%
   \ifx\@nil#1\@nil
     \pkgcls@targetdate\requestedLaTeXdate\relax
     \let\pkgcls@targetlabel\@empty
     \let\pkgcls@mindate\@empty
   \else
     \pkgcls@parse@date@arg@#1=\@nil\relax
   \fi
 }
\def\pkgcls@parse@date@arg@#1=#2\@nil{%
  \pkgcls@targetdate
    \ifx\@nil#1\@nil
      \@parse@version0#2//00\@nil\relax
      \ifnum \pkgcls@targetdate=\z@
        \pkgcls@targetdate\@ne
        \def\pkgcls@innerdate{\maxdimen}%
        \pkgcls@parse@date@arg@version#2%
      \else
        \edef\pkgcls@innerdate{\the\pkgcls@targetdate}%
      \fi
      \let\pkgcls@mindate\@empty
    \else
      \requestedLaTeXdate\relax
      \let\pkgcls@targetlabel\@empty
      \def\pkgcls@innerdate{\maxdimen}%
      \def\pkgcls@mindate{#1}%
      \ifnum \pkgcls@targetdate > \z@
        \ifnum \@parse@version0#1//00\@nil > \pkgcls@targetdate
          \@latex@warning@no@line{Suspicious rollback/min-date date given\MessageBreak
            A minimal date of #1 has been specified for
             \@cls@pkg\MessageBreak '\pkgcls@name'.\MessageBreak
             But this is in conflict
             with a rollback request to \requestedpatchdate}
        \fi
      \fi
    \fi
}
\def\pkgcls@parse@date@arg@version#1={%
  \def\pkgcls@targetlabel{#1}}
\def\DeclareRelease#1#2#3{%
  \ifnum\pkgcls@targetdate>\z@  % some sort of rollback request
    \pkgcls@debug{---\string\DeclareRelease:}%
    \pkgcls@debug{\@spaces 1: #1}%
    \pkgcls@debug{\@spaces 2: #2}%
    \pkgcls@debug{\@spaces 3: #3}%
    \ifx\@nil#2\@nil
      \ifnum\pkgcls@targetdate=\@ne  % named request
        \def\reserved@a{#1}%
        \ifx\pkgcls@targetlabel\reserved@a
          \pkgcls@use@this@release{#3}{}%
        \else
          \pkgcls@debug{Label doesn't match}%
        \fi
      \else
        \pkgcls@debug{Date request: ignored}%
      \fi
    \else
      \ifnum\pkgcls@targetdate>\@ne  % a real request
        \ifnum\@parse@version#2//00\@nil
             >\pkgcls@targetdate
          \ifx\pkgcls@candidate\@empty
            \pkgcls@rollbackdate@error{#2}%
            \pkgcls@use@this@release{#3}{#2}%
          \else
            \pkgcls@use@this@release\pkgcls@candidate
                                    \pkgcls@releasedate
          \fi
        \else
          \def\pkgcls@candidate{#3}%
          \def\pkgcls@releasedate{#2}%
          \pkgcls@debug{New candidate: #3}%
        \fi
      \else
        \def\reserved@a{#1}%
        \ifx\pkgcls@targetlabel\reserved@a
          \pkgcls@use@this@release{#3}{#2}%
        \else
          \pkgcls@debug{Label doesn't match}%
        \fi
      \fi
    \fi
  \fi
}
\def\pkgcls@use@this@release#1#2{%
   \pkgcls@show@selection{#1}{#2}%
   \pkgcls@targetdate\z@
   \@@input #1\relax
   \endinput
}
\def\pkgcls@show@selection#1#2{%
  \pkgcls@debug{Result: use  #1}%
  \GenericInfo
   {\@spaces\@spaces\space}{Rollback for
    \@cls@pkg\space'\@currname' requested ->
    \ifnum\pkgcls@targetdate>\@ne
       date
       \ifnum\requestedLaTeXdate=\pkgcls@targetdate
          \requestedpatchdate
       \else
          \expandafter\@gobble\pkgcls@arg
       \fi.\MessageBreak
       Best approximation is
    \else
       version '\pkgcls@targetlabel'.\MessageBreak
       This corresponds to
    \fi
    \ifx\@nil#2\@nil
       a special release%
    \else
       the release introduced on #2%
    \fi
    \@gobble}%
}
\def\pkgcls@rollbackdate@error#1{%
  \@latex@error{Suspicious rollback date given}%
     {The \@cls@pkg\space'\@currname'  claims that it
      came into existence on #1 which\MessageBreak
      is after your requested rollback date --- so
      something is wrong here.\MessageBreak
      Continue and we use the earliest known release.}}
\def\DeclareCurrentRelease#1#2{%
  \ifnum\pkgcls@targetdate>\z@  % some sort of rollback request
    \pkgcls@debug{---DeclareCurrentRelease}%
    \pkgcls@debug{   1: #1}%
    \pkgcls@debug{   2: #2}%
    \ifnum\pkgcls@targetdate>\@ne  % a date request
      \ifnum\@parse@version#2//00\@nil
           >\pkgcls@targetdate
        \ifx\pkgcls@candidate\@empty
          \pkgcls@rollbackdate@error{#2}%
        \else
          \pkgcls@use@this@release\pkgcls@candidate
                                  \pkgcls@releasedate
        \fi
      \else
        \pkgcls@show@selection{current version}{#2}%
      \fi
    \else % a label request
      \def\reserved@a{#1}%
      \ifx\pkgcls@targetlabel\reserved@a
        \pkgcls@show@selection{current version}{#2}%
      \else
        \@latex@error{Requested version '\pkgcls@targetlabel' for
          \@cls@pkg\space'\@currname' is unknown}\@ehc
      \fi
    \fi
  \fi
}
\DeclareRobustCommand\IfTargetDateBefore[1]{%
  \ifnum\pkgcls@innerdate <%
        \expandafter\@parse@version\expandafter0#1//00\@nil
    \typeout{Exclude code introduced on #1}%
    \expandafter\@firstoftwo
  \else
    \typeout{Include code introduced on #1}%
    \expandafter\@secondoftwo
  \fi
}
%%% From File: ltvers.dtx
\edef\latexreleaseversion
   {2021-05-01}
\newif\if@includeinrelease
\@includeinreleasefalse
\def\IncludeInRelease#1{%
 \if@includeinrelease
   \PackageError{latexrelease}{mis-matched IncludeInRelease}%
                {There is an \string\EndIncludeRelease\space missing}%
  \@includeinreleasefalse
  \fi
  \kernel@ifnextchar[%
  {\@IncludeInRelease{#1}}
  {\@IncludeInRelease{#1}[#1]}}
\def\@IncludeInRelease#1[#2]{\@IncludeInRele@se{#2}}
\def\@IncludeInRele@se#1#2#3{%
  \toks@{[#1] #3}%
  \expandafter\ifx\csname\string#2+\@currname+IIR\endcsname\relax
    \ifnum\expandafter\@parse@version#1//00\@nil
          >\expandafter\@parse@version\fmtversion//00\@nil
      \GenericInfo{}{Skipping: \the\toks@}%
     \expandafter\expandafter\expandafter\@gobble@IncludeInRelease
    \else
      \GenericInfo{}{Applying: \the\toks@}%
      \@includeinreleasetrue
      \expandafter\let\csname\string#2+\@currname+IIR\endcsname\@empty
    \fi
  \else
    \GenericInfo{}{Already applied: \the\toks@}%
    \expandafter\@gobble@IncludeInRelease
  \fi
}
\def\EndIncludeInRelease{%
\if@includeinrelease
  \@includeinreleasefalse
\else
  \PackageError{latexrelease}{mis-matched EndIncludeInRelease}{}%
\fi}
\long\def\@gobble@IncludeInRelease#1\EndIncludeInRelease{%
  \@includeinreleasefalse
  \@check@IncludeInRelease#1\IncludeInRelease\@check@IncludeInRelease
  \@end@check@IncludeInRelease}
\long\def\@check@IncludeInRelease#1\IncludeInRelease
                                   #2#3\@end@check@IncludeInRelease{%
  \ifx\@check@IncludeInRelease#2\else
    \PackageError{latexrelease}{skipped IncludeInRelease for tag \string#2}{}%
  \fi}
\ProvidesPackage{latexrelease}
          [2018/05/08 v1.0k LaTeX release emulation and tests
              (including releases up to \latexreleaseversion)]
\NeedsTeXFormat{LaTeX2e}[1996/06/01]
\DeclareOption*{%
  \def\@IncludeInRelease#1[#2]{\@IncludeInRele@se{#1}}%
  \let\requestedpatchdate\CurrentOption}
\DeclareOption{latest}{%
  \let\requestedpatchdate\latexreleaseversion
  \AtEndOfPackage{\def\requestedLaTeXdate{0}}}
\DeclareOption{current}{%
  \let\requestedpatchdate\fmtversion
  \AtEndOfPackage{\def\requestedLaTeXdate{0}}}
\let\requestedpatchdate\fmtversion
\ProcessOptions\relax
\def\reserved@a{%
\edef\requestedLaTeXdate{\the\count@}%
\reserved@b}
\def\reserved@b#1\\{%
\def\reserved@b{#1}%
\ifx\reserved@b\@empty\else
\PackageError{latexrelease}%
             {Unexpected option \requestedpatchdate}%
             {The option must be of the form yyyy/mm/dd or yyyy-mm-dd}%
\fi}
\afterassignment\reserved@a
\count@\expandafter
  \@parse@version\expandafter0\requestedpatchdate//00\@nil\\
\edef\currentLaTeXdate{%
   \expandafter\@parse@version\fmtversion//00\@nil}
\ifnum\requestedLaTeXdate=\currentLaTeXdate
\PackageWarningNoLine{latexrelease}{%
  Current format date selected, no patches applied}
\expandafter\endinput
\fi
\ifnum\currentLaTeXdate
  >\expandafter\@parse@version\latexreleaseversion//00\@nil
\PackageWarningNoLine{latexrelease}{%
The current package is for an older LaTeX format:\MessageBreak
LaTeX \latexreleaseversion\space\MessageBreak
Obtain a newer version of this package!}
\expandafter\endinput
\fi
\ifnum\requestedLaTeXdate
  >\expandafter\@parse@version\latexreleaseversion//00\@nil
\PackageWarningNoLine{latexrelease}{%
The current package is for LaTeX \latexreleaseversion:\MessageBreak
It has no patches beyond that date\MessageBreak
There may be an updated version\MessageBreak
of this package available from CTAN}
\expandafter\endinput
\fi
\let\fmtversion\requestedpatchdate
\let\currentLaTeXdate\requestedLaTeXdate
%%% From File: ltdirchk.dtx
\ifx\directlua\undefined\else
\IncludeInRelease{2015/10/01}{\luatexluafunction}
                             {LuaTeX (prefixed names)}%
    \directlua{tex.enableprimitives("",%
                 tex.extraprimitives("omega", "aleph", "luatex"))}
\EndIncludeInRelease
\IncludeInRelease{0000/00/00}{\luatexluafunction}
                             {LuaTeX (prefixed names)}%
\directlua{
  tex.enableprimitives(
    "luatex",
    tex.extraprimitives("core","omega", "aleph", "luatex")
  )
  local i
  local t = { }
  for _,i in pairs(tex.extraprimitives("luatex")) do
    if not string.match(i,"^U") then
      if not string.match(i, "^luatex") then
        table.insert(t,i)
      end
    else
      if string.match(i,"^Uchar$") then
        table.insert(t,i)
      end
    end
  end
  for _,i in pairs(t) do
    tex.print(
      "\noexpand\\let\noexpand\\" .. i
        .. "\noexpand\\undefined"
    )
  end
}
\EndIncludeInRelease
\fi
\IncludeInRelease{2019/10/01}{\filename@simple}
                             {Final dot for extension}%
\def\filename@simple#1.#2\\{%
  \ifx\\#2\\%
    \let\filename@ext\relax
    \edef\filename@base{#1}%
  \else
    \filename@dots{#1}#2\\%
  \fi}
\def\filename@dots#1#2.#3\\{%
  \ifx\\#3\\%
    \def\filename@ext{#2}%
    \edef\filename@base{#1}%
  \else
    \filename@dots{#1.#2}#3\\%
  \fi}
\EndIncludeInRelease
\IncludeInRelease{0000/00/00}{\filename@simple}
                             {Final dot for extension}%
  \def\filename@simple#1.#2\\{%
    \ifx\\#2\\%
       \let\filename@ext\relax
    \else
       \edef\filename@ext{\filename@dot#2\\}%
    \fi
    \edef\filename@base{#1}}
\EndIncludeInRelease
%%% From File: ltexpl.dtx
\IncludeInRelease{2020/10/01}%
                 {expl3}{Pre-load expl3}%
\expandafter\ifx\csname tex\string _let:D\endcsname\relax
  \expandafter\@firstofone
\else
  \GenericInfo{}{Skipping: expl3 code already part of the format}%
  \expandafter\@gobble
\fi
  {%
    \IfFileExists{expl3.ltx}
      {%
        \ifnum0%
          \ifdefined\pdffilesize 1\fi
          \ifdefined\filesize 1\fi
          \ifdefined\luatexversion\ifnum\luatexversion>94 1\fi\fi
          \ifdefined\kanjiskip 1\fi
            >0 %
          \expandafter\@firstofone
        \else
          \@latex@error{%
            LaTeX requires the e-TeX primitives and additional\MessageBreak
            functionality available in the engines:\MessageBreak
              - pdfTeX v1.40\MessageBreak
              - XeTeX v0.99992\MessageBreak
              - LuaTeX v0.95\MessageBreak
              - e-(u)pTeX mid-2012\MessageBreak
            or later%
          }\@ehd \expandafter\@gobble
        \fi
      }
      {%
        \@latex@error{LaTeX requires expl3}\@ehd
        \@gobble
      }%
      {%
        \input expl3.ltx
        \ifdefined\NewDocumentCommand
        \else
          \IfFileExists{xparse.ltx}
            {\input xparse.ltx }
            {}%
         \fi
      }%
  }
\EndIncludeInRelease

\IncludeInRelease{2020/02/02}%
                 {expl3}{Pre-load expl3}%
\IfFileExists{expl3.ltx}
  {%
    \ifnum0%
      \ifdefined\pdffilesize 1\fi
      \ifdefined\filesize 1\fi
      \ifdefined\luatexversion\ifnum\luatexversion>94 1\fi\fi
      >0 %
    \else
      \message{Skipping expl3-dependent extensions}
      \expandafter\@gobbletwo
    \fi
  }
  {%
    \message{Skipping expl3-dependent extensions}%
    \@gobbletwo
  }%
\input{expl3.ltx}
\EndIncludeInRelease
\ExplSyntaxOn
\IncludeInRelease{2020/10/01}{expl3~2020-10-01}%
        {expl3~macros~added~for~the~2020-10-01~release}%
\cs_gset_eq:NN \@expl@cs@to@str@@N \cs_to_str:N
\cs_gset_eq:NN \@expl@str@if@eq@@nnTF \str_if_eq:nnTF
\cs_gset_eq:NN \@expl@cs@prefix@spec@@N \cs_prefix_spec:N
\cs_gset_eq:NN \@expl@cs@argument@spec@@N \cs_argument_spec:N
\cs_gset_eq:NN \@expl@cs@replacement@spec@@N \cs_replacement_spec:N
\cs_gset_eq:NN \@expl@str@map@function@@NN \str_map_function:NN
\cs_gset_eq:NN \@expl@char@generate@@nn \char_generate:nn
\EndIncludeInRelease
\IncludeInRelease{0000/00/00}{expl3~2020-10-01}%
        {expl3~macros~added~for~the~2020-10-01~release}%
\cs_undefine:N \@expl@cs@to@str@@N
\cs_undefine:N \@expl@str@if@eq@@nnTF
\cs_undefine:N \@expl@cs@prefix@spec@@N
\cs_undefine:N \@expl@cs@argument@spec@@N
\cs_undefine:N \@expl@cs@replacement@spec@@N
\cs_undefine:N \@expl@str@map@function@@NN
\EndIncludeInRelease
\ExplSyntaxOff
%%% From File: ltdefns.dtx
\IncludeInRelease{2020/10/01}%
                 {\typeout}{Allow "par" in \typeout}%
\protected\long\def\typeout#1{\begingroup
  \set@display@protect
  \def\par{^^J^^J}%
  \immediate\write\@unused{#1}\endgroup}
\EndIncludeInRelease
\IncludeInRelease{0000/00/00}%
                 {\typeout}{Allow "par" in \typeout}%

\def\typeout#1{\begingroup\set@display@protect
    \immediate\write\@unused{#1}\endgroup}
\EndIncludeInRelease
\IncludeInRelease{2020/10/01}{\MakeRobust}{\MakeRobust}%
\def\MakeRobust#1{%
  \count@=\escapechar
  \escapechar=`\\
  \@ifundefined{\expandafter\@gobble\string#1}{%
    \@latex@error{The control sequence `\string#1' is undefined!%
      \MessageBreak There is nothing here to make robust}%
    \@eha
  }%
  {%
    \@ifundefined{\expandafter\@gobble\string#1\space}%
    {%
      \expandafter\@kernel@rename@newcommand
        \csname\expandafter\@gobble\string#1\space\endcsname
        #1%
      \edef\reserved@a{\string#1}%
      \def\reserved@b{#1}%
      \edef\reserved@b{\expandafter\strip@prefix\meaning\reserved@b}%
      \xdef#1{%
        \ifx\reserved@a\reserved@b
          \noexpand\x@protect\noexpand#1%
        \fi
        \noexpand\protect\expandafter\noexpand
        \csname\expandafter\@gobble\string#1\space\endcsname}%
    }%
    {\@latex@info{The control sequence `\string#1' is already robust}}%
  }%
  \escapechar=\count@
}%
\def\@kernel@rename@newcommand#1#2{%
  \robust@command@chk@safe#2%
    {\@if@newcommand#2%
      {\afterassignment\global
       \global\@copy@newcommand#1#2%
       \global\let#2\@undefined
       \global\expandafter\let\csname\string#2\endcsname\@undefined}%
      {\global\let#1=#2}}%
    {\global\let#1=#2}}
\EndIncludeInRelease
\IncludeInRelease{2019/10/01}{\MakeRobust}{\MakeRobust}%
\def\MakeRobust#1{%
  \@ifundefined{\expandafter\@gobble\string#1}{%
    \@latex@error{The control sequence `\string#1' is undefined!%
      \MessageBreak There is nothing here to make robust}%
    \@eha
  }%
  {%
    \@ifundefined{\expandafter\@gobble\string#1\space}%
    {%
      \global\expandafter\let\csname
      \expandafter\@gobble\string#1\space\endcsname=#1%
      \edef\reserved@a{\string#1}%
      \def\reserved@b{#1}%
      \edef\reserved@b{\expandafter\strip@prefix\meaning\reserved@b}%
      \xdef#1{%
        \ifx\reserved@a\reserved@b
          \noexpand\x@protect\noexpand#1%
        \fi
        \noexpand\protect\expandafter\noexpand
        \csname\expandafter\@gobble\string#1\space\endcsname}%
    }%
    {\@latex@info{The control sequence `\string#1' is already robust}}%
   }%
}%
\let\@kernel@rename@newcommand\@undefined
\EndIncludeInRelease
\IncludeInRelease{2015/01/01}{\MakeRobust}{\MakeRobust}%
\def\MakeRobust#1{%
  \@ifundefined{\expandafter\@gobble\string#1}{%
    \@latex@error{The control sequence `\string#1' is undefined!%
      \MessageBreak There is nothing here to make robust}%
    \@eha
  }%
  {%
    \@ifundefined{\expandafter\@gobble\string#1\space}%
    {%
      \expandafter\let\csname
      \expandafter\@gobble\string#1\space\endcsname=#1%
      \edef\reserved@a{\string#1}%
      \def\reserved@b{#1}%
      \edef\reserved@b{\expandafter\strip@prefix\meaning\reserved@b}%
      \edef#1{%
        \ifx\reserved@a\reserved@b
          \noexpand\x@protect\noexpand#1%
        \fi
        \noexpand\protect\expandafter\noexpand
        \csname\expandafter\@gobble\string#1\space\endcsname}%
    }%
    {\@latex@info{The control sequence `\string#1' is already robust}}%
   }%
}%
\let\@kernel@rename@newcommand\@undefined
\EndIncludeInRelease
\IncludeInRelease{0000/00/00}{\MakeRobust}{\MakeRobust}%
\let\MakeRobust\@undefined
\let\@kernel@rename@newcommand\@undefined
\EndIncludeInRelease
\IncludeInRelease{2020/10/01}%
                 {\kernel@make@fragile}{Undo robustness}%
\def\kernel@make@fragile#1{%
  \@ifundefined{\expandafter\@gobble\string#1\space}%
     {}%
     {%
      \global\expandafter\let\expandafter #1\csname
        \expandafter\@gobble\string#1\space\endcsname
      \expandafter\@kernel@rename@newcommand
        \csname\expandafter\@gobble\string#1\expandafter\endcsname
        \csname\expandafter\@gobble\string#1\space\endcsname
      \global\expandafter\let\csname
        \expandafter\@gobble\string#1\space\endcsname\@undefined
     }%
}
\EndIncludeInRelease
\IncludeInRelease{0000/00/00}%
                 {\kernel@make@fragile}{Undo robustness}%
\def\kernel@make@fragile#1{%
  \@ifundefined{\expandafter\@gobble\string#1\space}%
     {}%
     {%
      \global\expandafter\let\expandafter #1\csname
      \expandafter\@gobble\string#1\space\endcsname
      \global\expandafter\let\csname
      \expandafter\@gobble\string#1\space\endcsname\@undefined
     }%
}
\EndIncludeInRelease
\IncludeInRelease{2020-10-01}{\robust@command@act}
  {Add \robust@command@act}%
\long\def\robust@command@act#1#2#3#4{%
  \robust@command@chk@safe#2%
    {\expandafter\robust@command@act@loop
       \expandafter#2%
         #1{\@nnil\@nnil}%
     \robust@command@act@end}%
    {\robust@command@act@end}%
      {#3}{#4}}%
\long\def\robust@command@act@loop#1#2{\robust@command@act@loop@aux#1#2}
\long\def\robust@command@act@loop@aux#1#2#3{%
  \ifx\@nnil#2%
  \else
    #2{#1}%
      {\robust@command@act@do{#3}}%
      {\expandafter\robust@command@act@loop\expandafter#1}%
  \fi}
\long\def\robust@command@act@do#1%
  \fi#2%
  \robust@command@act@end#3#4{%
  \fi
  #1#4}
\long\def\robust@command@act@end#1#2{#1#2}
\long\def\robust@command@chk@safe#1{%
  \begingroup
    \escapechar=`\\
  \expandafter\endgroup\expandafter
  \robust@command@act@chk@args\meaning#1:->\@nil}
\def\robust@command@act@chk@args#1:->#2\@nil{%
  \@expl@str@if@eq@@nnTF{#1}{macro}%
    {\@firstoftwo}%
    {\@expl@str@if@eq@@nnTF{#1}{\protected macro}%
      {\@firstoftwo}%
      {\@secondoftwo}}}
\EndIncludeInRelease
\IncludeInRelease{0000-00-00}{\robust@command@act}
  {Add \robust@command@act}%
\let\robust@command@act\@undefined
\let\robust@command@act@loop\@undefined
\let\robust@command@act@loop@aux\@undefined
\let\robust@command@act@do\@undefined
\let\robust@command@act@end\@undefined
\let\robust@command@chk@safe\@undefined
\let\robust@command@act@chk@args\@undefined
\EndIncludeInRelease
\IncludeInRelease{2020-10-01}{\DeclareCommandCopy}
  {Add \NewCommandCopy, \RenewCommandCopy, and \DeclareCommandCopy}%
\def\NewCommandCopy{%
  \declare@commandcopy
    {\@firstofone}%
    {\@firstoftwo\@notdefinable}}
\def\RenewCommandCopy{%
  \declare@commandcopy
    {\@latex@error{Command \@backslashchar\reserved@a\space undefined}\@ehc
     \@firstofone}%
    {\@firstofone}}
\def\DeclareCommandCopy{%
  \declare@commandcopy
    {\@firstofone}%
    {\@firstofone}}
\long\def\declare@commandcopy#1#2#3#4{%
  \edef\reserved@a{\@expl@cs@to@str@@N#3}%
  \@ifundefined\reserved@a{#1}{#2}%
    {\robust@command@act
       \@declarecommandcopylisthook#4%
       \declare@commandcopy@let{#3#4}}}
\def\@declarecommandcopylisthook{%
  {\@if@DeclareRobustCommand \@copy@DeclareRobustCommand}%
  {\@if@newcommand \@copy@newcommand}}
\long\def\declare@commandcopy@let#1#2{\let#1=#2\relax}
\EndIncludeInRelease
\IncludeInRelease{0000-00-00}{\DeclareCommandCopy}
  {Undefine \NewCommandCopy, \RenewCommandCopy, and \DeclareCommandCopy}%
\let\NewCommandCopy\@undefined
\let\RenewCommandCopy\@undefined
\let\DeclareCommandCopy\@undefined
\let\declare@commandcopy\@undefined
\let\@declarecommandcopylisthook\@undefined
\let\declare@commandcopy@let\@undefined
\EndIncludeInRelease
\IncludeInRelease{2020-10-01}{\ShowCommand}%
  {Add \ShowCommand}%
\long\def\ShowCommand#1{%
  \robust@command@act
    \@showcommandlisthook#1%
    \show#1}
\def\@showcommandlisthook{%
  {\@if@DeclareRobustCommand \@show@DeclareRobustCommand}%
  {\@if@newcommand \@show@newcommand}}
\EndIncludeInRelease
\IncludeInRelease{0000-00-00}{\ShowCommand}
  {Undefine \ShowCommand}%
\let\ShowCommand\@undefined
\let\@showcommandlisthook\@undefined
\EndIncludeInRelease
\IncludeInRelease{2020-10-01}{\@if@DeclareRobustCommand}
  {Add \@if@DeclareRobustCommand, \@if@newcommand,
       \@copy@DeclareRobustCommand, \@copy@newcommand,
       \@show@DeclareRobustCommand, \@show@newcommand}%
\long\def\@if@DeclareRobustCommand#1{%
  \begingroup
    \escapechar=`\\
    \edef\reserved@a{\string#1}%
    \edef\reserved@b{\detokenize{#1}}%
    \xdef\@gtempa{%
      \ifx\reserved@a\reserved@b
         \noexpand\x@protect
         \noexpand#1%
      \fi
      \noexpand\protect
      \expandafter\noexpand\csname\@expl@cs@to@str@@N#1 \endcsname}%
  \endgroup
  \ifx\@gtempa#1\relax
    \expandafter\@firstoftwo
  \else
    \expandafter\@secondoftwo
  \fi}
\long\def\@copy@DeclareRobustCommand#1#2{%
  \begingroup
    \escapechar=`\\
    \edef\reserved@a{\string#1}%
    \edef\reserved@b{\detokenize{#1}}%
    \edef\reserved@a{%
  \endgroup
  \def\noexpand#1{%
    \ifx\reserved@a\reserved@b
       \noexpand\x@protect
       \noexpand#1%
    \fi
    \noexpand\protect
    \expandafter\noexpand\csname\@expl@cs@to@str@@N#1 \endcsname}%
  \noexpand\copy@kernel@robust@command
    \expandafter\noexpand\csname\@expl@cs@to@str@@N#1 \endcsname
    \expandafter\noexpand\csname\@expl@cs@to@str@@N#2 \endcsname}%
  \reserved@a}
\long\def\copy@kernel@robust@command#1#2{%
  \robust@command@chk@safe#2%
    {\@if@newcommand#2%
       {\@copy@newcommand}%
       {\declare@commandcopy@let}}
    {\declare@commandcopy@let}%
  #1#2}
\long\def\@show@DeclareRobustCommand#1{%
  \typeout{> \string#1=robust macro:}%
  \typeout{->\@expl@cs@replacement@spec@@N#1.^^J}%
  \expandafter\show@kernel@robust@command
    \csname\@expl@cs@to@str@@N#1 \endcsname}
\long\def\show@kernel@robust@command#1{%
  \robust@command@chk@safe#1%
    {\@if@newcommand#1%
       {\@show@newcommand}%
       {\show}}%
    {\show}%
  #1}
\long\def\@if@newcommand#1{%
  \edef\reserved@a{%
    \noexpand\@protected@testopt
    \noexpand#1%
    \expandafter\noexpand\csname\@backslashchar\@expl@cs@to@str@@N#1\endcsname}%
  \edef\reserved@b{%
    \unexpanded\expandafter\expandafter\expandafter
      {\expandafter\@carcube#1{}{}{}\@nil}}%
  \ifx\reserved@a\reserved@b
    \expandafter\@firstoftwo
  \else
    \expandafter\@secondoftwo
  \fi}
\long\def\@copy@newcommand#1#2{%
  \edef#1{\noexpand\@protected@testopt
    \noexpand#1%
    \expandafter\noexpand\csname\@backslashchar\@expl@cs@to@str@@N#1\endcsname
    \unexpanded\expandafter\expandafter\expandafter
      {\expandafter\@gobblethree#2}}%
  \expandafter
  \let\csname\@backslashchar\@expl@cs@to@str@@N#1\expandafter\endcsname
      \csname\@backslashchar\@expl@cs@to@str@@N#2\endcsname}
\long\def\@show@newcommand#1{%
  \typeout{> \string#1=robust macro:}%
  \typeout{->\@expl@cs@replacement@spec@@N#1.^^J}%
  \expandafter\@show@newcommand@aux
    \csname\@backslashchar\@expl@cs@to@str@@N#1\expandafter\endcsname
    \expandafter{#1}}
\long\def\@show@newcommand@aux#1#2{%
  \typeout{> \string#1=\@expl@cs@prefix@spec@@N#1macro:}%
  \edef\reserved@a{%
    default \string##1=\expandafter\detokenize\@gobblethree#2.^^J%
    \@expl@cs@argument@spec@@N#1->\@expl@cs@replacement@spec@@N#1}%
  \showtokens\expandafter\expandafter\expandafter{\expandafter\reserved@a}}
\EndIncludeInRelease
\IncludeInRelease{0000-00-00}{\@if@DeclareRobustCommand}
  {Undefine \@if@DeclareRobustCommand, \@if@newcommand,
            \@copy@DeclareRobustCommand, \@copy@newcommand,
            \@show@DeclareRobustCommand, \@show@newcommand}%
\let\@if@DeclareRobustCommand\@undefined
\let\@copy@DeclareRobustCommand\@undefined
\let\@show@DeclareRobustCommand\@undefined
\let\@if@newcommand\@undefined
\let\@copy@newcommand\@undefined
\let\@show@newcommand\@undefined
\let\copy@kernel@robust@command\@undefined
\let\show@kernel@robust@command\@undefined
\let\@show@newcommand@aux\@undefined
\EndIncludeInRelease
\IncludeInRelease{2018-04-01}{\@ifundefined}
{Leave commands undefined in \@ifundefined}%
\def\@ifundefined#1{%
  \ifcsname#1\endcsname\@ifundefin@d@i\else\@ifundefin@d@ii\fi{#1}}
\long\def\@ifundefin@d@i#1\fi#2{\fi
  \expandafter\ifx\csname #2\endcsname\relax
    \@ifundefin@d@ii
  \fi
  \@secondoftwo}
\long\def\@ifundefin@d@ii\fi#1#2#3{\fi #2}
\ifx\numexpr\@undefined
\def\@ifundefined#1{%
  \expandafter\ifx\csname#1\endcsname\relax
    \expandafter\@firstoftwo
  \else
    \expandafter\@secondoftwo
  \fi}
\else\ifx\directlua\@undefined
\else
\def\@ifundefined#1{%
  \ifcsname#1\endcsname
    \expandafter\ifx\lastnamedcs\relax\else\@ifundefin@d@i\fi
  \fi
  \@firstoftwo}
\long\def\@ifundefin@d@i#1#2#3#4#5{#1#2#5}
\fi
\fi
\EndIncludeInRelease
\IncludeInRelease{0000-00-00}{\@ifundefined}
{Leave commands undefined in \@ifundefined}%
\def\@ifundefined#1{%
  \expandafter\ifx\csname#1\endcsname\relax
    \expandafter\@firstoftwo
  \else
    \expandafter\@secondoftwo
  \fi}
\EndIncludeInRelease
\IncludeInRelease{2020/10/01}{\string@makeletter}
  {Add \string@makeletter}%
\def\string@makeletter#1{%
  \@expl@str@map@function@@NN#1\@string@makeletter}
\def\@string@makeletter#1{%
  \char@if@alph{#1}%
    {\@expl@char@generate@@nn{`#1}{11}}%
    {#1}}
\def\char@if@alph#1{%
  \ifnum0\ifnum`#1<`A 1\fi\ifnum`#1>`z 1\fi
      \if\ifnum`#1>`Z @\fi\ifnum`#1<`a @\fi01\fi>0
    \expandafter\@secondoftwo
  \else
    \expandafter\@firstoftwo
  \fi}
\EndIncludeInRelease
\IncludeInRelease{0000/00/00}{\string@makeletter}
  {Undefine \string@makeletter}%
\let\string@makeletter\@undefined
\let\@string@makeletter\@undefined
\let\char@if@alph\@undefined
\EndIncludeInRelease
\IncludeInRelease{2020/10/01}{\-}{Use primitive \- in Lua\LaTeX}%
\ifx\directlua\@undefined
  \DeclareRobustCommand{\-}{%
    \discretionary{%
      \char \ifnum\hyphenchar\font<\z@
              \defaulthyphenchar
            \else
              \hyphenchar\font
            \fi
                 }{}{}%
  }
\else
  \let\-\@@hyph
\fi
\EndIncludeInRelease
\IncludeInRelease{2017/04/15}{\-}{Use \hyphenchar in \-}%
\DeclareRobustCommand{\-}{%
  \discretionary{%
    \char \ifnum\hyphenchar\font<\z@
            \defaulthyphenchar
          \else
            \hyphenchar\font
          \fi
               }{}{}%
}
\EndIncludeInRelease
\IncludeInRelease{0000/00/00}{\-}{Use \hyphenchar in \-}%
\def\-{\discretionary{-}{}{}}
\EndIncludeInRelease
\let\@dischyph=\-
\IncludeInRelease{2019/10/01}%
                 {\allowbreak}{Make various commands robust}%
\MakeRobust\allowbreak
\MakeRobust\bigbreak
\MakeRobust\break
\MakeRobust\dotfill
\MakeRobust\frenchspacing
\MakeRobust\goodbreak
\MakeRobust\hrulefill
\MakeRobust\medbreak
\MakeRobust\nobreak
\MakeRobust\nonfrenchspacing
\MakeRobust\obeylines
\MakeRobust\obeyspaces
\MakeRobust\slash
\MakeRobust\smallbreak
\MakeRobust\strut
\MakeRobust\underbar
\EndIncludeInRelease
\IncludeInRelease{0000/00/00}%
                 {\allowbreak}{Make various commands robust}%

\kernel@make@fragile\allowbreak
\kernel@make@fragile\bigbreak
\kernel@make@fragile\break
\kernel@make@fragile\dotfill
\kernel@make@fragile\frenchspacing
\kernel@make@fragile\goodbreak
\kernel@make@fragile\hrulefill
\kernel@make@fragile\medbreak
\kernel@make@fragile\nobreak
\kernel@make@fragile\nonfrenchspacing
\kernel@make@fragile\obeylines
\kernel@make@fragile\obeyspaces
\kernel@make@fragile\slash
\kernel@make@fragile\smallbreak
\kernel@make@fragile\strut
\kernel@make@fragile\underbar

\EndIncludeInRelease
%%
%% File: lthooks.dtx (C) Copyright 2020 Frank Mittelbach,
%%                                      Phelype Oleinik & LaTeX Team
%%% From File: lthooks.dtx
\def\lthooksversion{v1.0e}
\def\lthooksdate{2020/10/23}
\IncludeInRelease{2020/10/01}%
                 {\NewHook}{The hook management}%
\ExplSyntaxOn
\bool_new:N \g__hook_debug_bool
\cs_new_eq:NN \__hook_debug:n \use_none:n
\cs_new_protected:Npn \hook_debug_on:
  {
    \bool_gset_true:N \g__hook_debug_bool
    \__hook_debug_gset:
  }
\cs_new_protected:Npn \hook_debug_off:
  {
    \bool_gset_false:N \g__hook_debug_bool
    \__hook_debug_gset:
  }
\cs_new_protected:Npn \__hook_debug_gset:
  {
    \cs_gset_protected:Npx \__hook_debug:n ##1
      { \bool_if:NT \g__hook_debug_bool {##1} }
  }
\cs_new_eq:NN \__hook_str_compare:nn \__str_if_eq:nn
\bool_new:N \l__hook_tmpa_bool
\tl_new:N \l__hook_return_tl
\tl_new:N \l__hook_tmpa_tl
\tl_new:N \l__hook_tmpb_tl
\seq_new:N \g__hook_all_seq
\tl_new:N \g__hook_removal_list_tl
\tl_new:N \l__hook_cur_hook_tl
\prop_new:N \l__hook_work_prop
\prop_new:N \g__hook_execute_immediately_prop
\prop_new:N \g__hook_used_prop
\tl_new:N \g__hook_hook_curr_name_tl
\seq_new:N \g__hook_name_stack_seq
\cs_new_eq:NN \__hook_tmp:w ?
\cs_generate_variant:Nn \tl_gremove_once:Nn { Nx }
\cs_generate_variant:Nn \tl_show:n { x }
\cs_generate_variant:Nn \tl_log:n { x }
\scan_new:N \s__hook_mark
\cs_new_protected:Npn \hook_new:n #1
  { \__hook_normalize_hook_args:Nn \__hook_new:n {#1} }
\cs_new_protected:Npn \__hook_new:n #1
  {
    \hook_if_exist:nTF {#1}
      { \msg_error:nnn { hooks } { exists } {#1} }
      {
        \seq_gput_right:Nn \g__hook_all_seq {#1}
        \tl_new:c { __hook~#1 }
        \__hook_declare:n {#1}
        \clist_new:c {g__hook_#1_labels_clist}
        \tl_new:c { g__hook_#1_reversed_tl }
        \__hook_include_legacy_code_chunk:n {#1}
     }
  }
\cs_new_protected:Npn \__hook_declare:n #1
  {
    \__hook_if_exist:nF {#1}
      {
        \prop_new:c { g__hook_#1_code_prop }
        \tl_new:c { __hook_next~#1 }
      }
  }
\cs_new_protected:Npn \hook_new_reversed:n #1
  { \__hook_normalize_hook_args:Nn \__hook_new_reversed:n {#1} }
\cs_new_protected:Npn \__hook_new_reversed:n #1
  {
    \__hook_new:n {#1}
    \tl_gset:cn { g__hook_#1_reversed_tl } { - }
  }
\cs_new_protected:Npn \hook_new_pair:nn #1#2
  { \hook_new:n {#1} \hook_new_reversed:n {#2} }
\cs_new_protected:Npn \__hook_include_legacy_code_chunk:n #1
  {
    \debug_suspend:
    \tl_if_exist:cT { @#1hook }
      {
        \tl_if_empty:cF { @#1hook }
          {
            \exp_args:Nnnv \__hook_hook_gput_code_do:nnn {#1}
                                  { legacy } { @#1hook }
            \tl_gclear:c { @#1hook }
          }
      }
    \debug_resume:
  }
\cs_new:Npn \__hook_parse_label_default:n #1
  {
    \tl_if_novalue:nTF {#1}
      { \__hook_currname_or_default:n { top-level } }
      {
        \tl_trim_spaces_apply:nN {#1}
          \__hook_parse_dot_label:nn { top-level }
      }
  }
\cs_new:Npn \__hook_parse_dot_label:nn #1 #2
  {
    \tl_if_empty:nTF {#1}
      {
        \msg_expandable_error:nnn { hooks } { empty-label } {#2}
        #2
      }
      {
        \str_if_eq:nnTF {#1} { . }
          { \__hook_currname_or_default:n {#2} }
          { \__hook_parse_dot_label:nw {#2} #1 ./ \s__hook_mark }
      }
  }
\cs_new:Npn \__hook_parse_dot_label:nw #1 #2 ./ #3 \s__hook_mark
  {
    \tl_if_empty:nTF {#2}
      { \__hook_parse_dot_label_aux:nw {#1} #3 \s__hook_mark }
      {
        \tl_if_empty:nTF {#3}
          { \__hook_make_name:n {#2} }
          { \__hook_parse_dot_label_cleanup:w #2 ./ #3 \s__hook_mark }
      }
  }
\cs_new:Npn \__hook_parse_dot_label_cleanup:w #1 ./ \s__hook_mark {#1}
\cs_new:Npn \__hook_parse_dot_label_aux:nw #1 #2 ./ \s__hook_mark
  { \__hook_currname_or_default:n {#1} / \__hook_make_name:n {#2} }
\cs_new:Npn \__hook_currname_or_default:n #1
  {
    \tl_if_empty:NTF \g__hook_hook_curr_name_tl
      {
        \tl_if_empty:NTF \@currname
          { \__hook_make_name:n {#1} }
          { \@currname }
      }
      { \g__hook_hook_curr_name_tl }
  }
\cs_new:Npn \__hook_make_name:n #1
  {
    \exp_after:wN \exp_after:wN \exp_after:wN \__hook_make_name:w
    \exp_after:wN \token_to_str:N \cs:w __hook~ #1 \cs_end:
  }
\exp_last_unbraced:NNNNo
\cs_new:Npn \__hook_make_name:w #1 \tl_to_str:n { __hook~ } { }
\cs_new_protected:Npn \__hook_normalize_hook_args_aux:Nn #1 #2
  {
    \group_begin:
    \use:e
      {
        \group_end:
        \exp_not:N #1 #2
      }
  }
\cs_new_protected:Npn \__hook_normalize_hook_args:Nn #1 #2
  {
    \__hook_normalize_hook_args_aux:Nn #1
      { { \__hook_parse_label_default:n {#2} } }
  }
\cs_new_protected:Npn \__hook_normalize_hook_args:Nnn #1 #2 #3
  {
    \__hook_normalize_hook_args_aux:Nn #1
      {
        { \__hook_parse_label_default:n {#2} }
        { \__hook_parse_label_default:n {#3} }
      }
  }
\cs_new_protected:Npn \__hook_normalize_hook_rule_args:Nnnnn #1 #2 #3 #4 #5
  {
    \__hook_normalize_hook_args_aux:Nn #1
      {
        { \__hook_parse_label_default:n {#2} }
        { \__hook_parse_label_default:n {#3} }
        { \tl_trim_spaces:n {#4} }
        { \__hook_parse_label_default:n {#5} }
      }
  }
\cs_new_protected:Npn \hook_gput_code:nnn #1 #2
  { \__hook_normalize_hook_args:Nnn \__hook_gput_code:nnn {#1} {#2} }
\cs_new_protected:Npn \__hook_gput_code:nnn #1 #2 #3
  {
    \prop_if_in:NnTF \g__hook_execute_immediately_prop {#1}
      {#3}
      {
        \__hook_if_marked_removal:nnTF {#1} {#2}
          { \__hook_unmark_removal:nn {#1} {#2} }
          {
            \hook_if_exist:nTF {#1}
              {
                \__hook_hook_gput_code_do:nnn {#1} {#2} {#3}
                \__hook_update_hook_code:n {#1}
              }
              { \__hook_try_declaring_generic_hook:nnn {#1} {#2} {#3} }
          }
      }
  }
\cs_generate_variant:Nn \__hook_gput_code:nnn { nxv }
\cs_new_protected:Npn \__hook_hook_gput_code_do:nnn #1 #2 #3
  {
    \__hook_debug:n{\iow_term:x{****~ Add~ to~
                      \hook_if_exist:nF {#1} { undeclared~ }
                      hook~ #1~ (#2)
                      \on@line\space <-~ \tl_to_str:n{#3}} }
    \prop_get:cnNTF { g__hook_#1_code_prop } {#2} \l__hook_return_tl
      {
        \prop_gput:cno { g__hook_#1_code_prop } {#2}
          { \l__hook_return_tl #3 }
      }
      { \prop_gput:cnn { g__hook_#1_code_prop } {#2} {#3} }
  }
\cs_new_protected:Npn \__hook_gput_undeclared_hook:nnn #1 #2 #3
  {
    \__hook_declare:n {#1}
    \__hook_hook_gput_code_do:nnn {#1} {#2} {#3}
  }
\cs_new_protected:Npn \__hook_try_declaring_generic_hook:nnn #1
  {
    \__hook_try_declaring_generic_hook:nNNnn {#1}
      \hook_gput_code:nnn \__hook_gput_undeclared_hook:nnn
  }
\cs_new_protected:Npn \__hook_try_declaring_generic_next_hook:nn #1
  {
    \__hook_try_declaring_generic_hook:nNNnn {#1}
      \hook_gput_next_code:nn \__hook_gput_next_do:nn
  }
\cs_new_protected:Npn \__hook_try_declaring_generic_hook:nNNnn #1
  {
    \__hook_if_file_hook:wTF #1 / / \s__hook_mark
      {
        \exp_args:Ne \__hook_try_declaring_generic_hook_split:nNNnn
          { \exp_args:Ne \__hook_file_hook_normalize:n {#1} }
      }
      { \__hook_try_declaring_generic_hook_split:nNNnn {#1} }
  }
\cs_new_protected:Npn \__hook_try_declaring_generic_hook_split:nNNnn #1 #2 #3
  {
    \__hook_try_declaring_generic_hook:wnTF #1 / / / \scan_stop: {#1}
      { #2 }
      { #3 } {#1}
  }
\prg_new_protected_conditional:Npnn \__hook_try_declaring_generic_hook:wn
    #1 / #2 / #3 / #4 \scan_stop: #5 { TF }
  {
    \tl_if_empty:nTF {#2}
      { \prg_return_false: }
      {
        \prop_if_in:NnTF \c__hook_generics_prop {#1}
          {
            \hook_if_exist:nF {#5} { \hook_new:n {#5} }
            \prop_if_in:NnTF \c__hook_generics_reversed_ii_prop {#2}
              { \tl_gset:cn { g__hook_#5_reversed_tl } { - } }
              {
                \prop_if_in:NnT \c__hook_generics_reversed_iii_prop {#3}
                  { \tl_gset:cn { g__hook_#5_reversed_tl } { - } }
              }
            \prg_return_true:
          }
          { \prg_return_false: }
      }
  }
\prg_new_conditional:Npnn \__hook_if_file_hook:w
    #1 / #2 / #3 \s__hook_mark { TF }
  {
    \str_if_eq:nnTF {#1} { file }
      {
        \bool_lazy_or:nnTF
            { \tl_if_empty_p:n {#3} }
            { \str_if_eq_p:nn {#3} { / } }
          { \prg_return_false: }
          {
            \prop_if_in:NnTF \c__hook_generics_file_prop {#2}
              { \prg_return_true: }
              { \prg_return_false: }
          }
      }
      { \prg_return_false: }
  }
\cs_new:Npn \__hook_file_hook_normalize:n #1
  { \__hook_strip_double_slash:n {#1} }
\cs_new:Npn \__hook_strip_double_slash:n #1
  { \__hook_strip_double_slash:w #1 // \s__hook_mark }
\cs_new:Npn \__hook_strip_double_slash:w #1 // #2 \s__hook_mark
  {
    \tl_if_empty:nTF {#2}
      {#1}
      { \__hook_strip_double_slash:w #1 / #2 \s__hook_mark }
  }
\prop_const_from_keyval:Nn \c__hook_generics_prop
  {env=,file=,package=,class=,include=}
\prop_const_from_keyval:Nn \c__hook_generics_reversed_ii_prop {after=,end=}
\prop_const_from_keyval:Nn \c__hook_generics_reversed_iii_prop {after=}
\prop_const_from_keyval:Nn \c__hook_generics_file_prop {before=,after=}
\cs_new_protected:Npn \hook_gremove_code:nn #1 #2
  { \__hook_normalize_hook_args:Nnn \__hook_gremove_code:nn {#1} {#2} }
\cs_new_protected:Npn \__hook_gremove_code:nn #1 #2
  {
    \__hook_if_exist:nTF {#1}
      {
        \str_if_eq:nnTF {#2} {*}
          { \prop_gclear:c { g__hook_#1_code_prop } }
          {
            \prop_get:cnNTF { g__hook_#1_code_prop } {#2} \l__hook_return_tl
              { \__hook_gremove_code_do:nn }
              { \__hook_mark_removal:nn }
                  {#1} {#2}
          }
        \hook_if_exist:nT {#1}
          { \__hook_update_hook_code:n {#1} }
      }
      { \__hook_mark_removal:nn {#1} {#2} }
  }
\cs_new_protected:Npn \__hook_gremove_code_do:nn #1 #2
  { \prop_gremove:cn { g__hook_#1_code_prop } {#2} }
\cs_new_protected:Npn \__hook_mark_removal:nn #1 #2
  {
    \tl_gput_right:Nx \g__hook_removal_list_tl
      { \__hook_removal_tl:nn {#1} {#2} }
  }
\cs_new_protected:Npn \__hook_unmark_removal:nn #1 #2
  {
    \tl_gremove_once:Nx \g__hook_removal_list_tl
      { \__hook_removal_tl:nn {#1} {#2} }
  }
\prg_new_protected_conditional:Npnn \__hook_if_marked_removal:nn #1 #2 { TF }
  {
    \exp_args:NNx \tl_if_in:NnTF \g__hook_removal_list_tl
      { \__hook_removal_tl:nn {#1} {#2} }
      { \prg_return_true: } { \prg_return_false: }
  }
\cs_new:Npn \__hook_removal_tl:nn #1 #2
  { & \tl_to_str:n {#2} $ \tl_to_str:n {#1} $ }
\prop_new:c {g__hook_??_code_prop}
\prop_new:c {__hook~??}
\tl_new:c {g__hook_??_reversed_tl}
\cs_new_protected:Npn \hook_gset_rule:nnnn #1#2#3#4
  {
    \__hook_normalize_hook_rule_args:Nnnnn \__hook_gset_rule:nnnn
      {#1} {#2} {#3} {#4}
  }
\cs_new_protected:Npn \__hook_gset_rule:nnnn #1#2#3#4
  {
    \__hook_declare:n {#1}
    \__hook_rule_gclear:nnn {#1} {#2} {#4}
    \debug_suspend:
    \cs_if_exist_use:cTF { __hook_rule_#3_gset:nnn }
      {
          {#1} {#2} {#4}
        \__hook_update_hook_code:n {#1}
      }
      { \msg_error:nnnnnn { hooks } { unknown-rule }
                          {#1} {#2} {#3} {#4}        }
    \debug_resume:
  }
\cs_new_protected:Npn \__hook_rule_before_gset:nnn #1#2#3
  {
    \tl_gset:cx { g__hook_#1_rule_ \__hook_label_pair:nn {#2} {#3} _tl }
      { \__hook_label_ordered:nnTF {#2} {#3} { < } { > } }
  }
\cs_new_eq:cN { __hook_rule_<_gset:nnn } \__hook_rule_before_gset:nnn
\cs_new_protected:Npn \__hook_rule_after_gset:nnn #1#2#3
  {
    \tl_gset:cx { g__hook_#1_rule_ \__hook_label_pair:nn {#3} {#2} _tl }
      { \__hook_label_ordered:nnTF {#3} {#2} { < } { > } }
  }
\cs_new_eq:cN { __hook_rule_>_gset:nnn } \__hook_rule_after_gset:nnn
\cs_new_protected:Npn \__hook_rule_voids_gset:nnn #1#2#3
  {
    \tl_gset:cx { g__hook_#1_rule_ \__hook_label_pair:nn {#2} {#3} _tl }
      { \__hook_label_ordered:nnTF {#2} {#3} { -> } { <- } }
  }
\cs_new_protected:cpn { __hook_rule_incompatible-error_gset:nnn } #1#2#3
  { \tl_gset:cn { g__hook_#1_rule_ \__hook_label_pair:nn {#2} {#3} _tl } { xE } }
\cs_new_protected:cpn { __hook_rule_incompatible-warning_gset:nnn } #1#2#3
  { \tl_gset:cn { g__hook_#1_rule_ \__hook_label_pair:nn {#2} {#3} _tl } { xW } }
\cs_new_protected:Npn \__hook_rule_unrelated_gset:nnn #1#2#3 { }
\cs_new_protected:Npn \__hook_rule_gclear:nnn #1#2#3
  { \cs_undefine:c { g__hook_#1_rule_ \__hook_label_pair:nn {#2} {#3} _tl } }
\cs_new:Npn \__hook_label_pair:nn #1#2
  {
    \if_case:w \__hook_str_compare:nn {#1} {#2} \exp_stop_f:
           #1 | #1 %  0
    \or:   #1 | #2 % +1
    \else: #2 | #1 % -1
    \fi:
  }
\prg_new_conditional:Npnn \__hook_label_ordered:nn #1#2 { TF }
  {
    \if_int_compare:w \__hook_str_compare:nn {#1} {#2} > 0 \exp_stop_f:
      \prg_return_true:
    \else
      \prg_return_false:
    \fi:
  }
\cs_new:Npn \__hook_if_label_case:nnnnn #1#2
   {
     \cs:w use_
       \if_case:w \__hook_str_compare:nn {#1} {#2}
          i \or: ii \else: iii \fi: :nnn
     \cs_end:
   }
\cs_new_eq:NN \__hook_update_hook_code:n \use_none:n
\cs_new_protected:Npn \__hook_initialize_all: {
  \cs_gset_eq:NN \__hook_update_hook_code:n \__hook_initialize_hook_code:n
  \__hook_debug:n { \prop_gclear:N \g__hook_used_prop }
  \seq_map_inline:Nn \g__hook_all_seq
      {
        \__hook_update_hook_code:n {##1}
      }
  \__hook_debug:n
     { \iow_term:x{^^JAll~ initialized~ (non-empty)~ hooks:}
       \prop_map_inline:Nn \g__hook_used_prop
           { \iow_term:x{^^J~ ##1~ ->~
               \exp_not:v {__hook~##1}~ }
           }
     }
  \cs_gset_eq:NN \hook_use:n \__hook_use_initialized:n
  \cs_gset_eq:NN \__hook_preamble_hook:n \use_none:n
}
\cs_new_protected:Npn \__hook_initialize_hook_code:n #1
  {
    \debug_suspend:
    \__hook_debug:n{ \iow_term:x{^^JUpdate~ code~ for~ hook~
                                    '#1' \on@line :^^J} }
    \__hook_include_legacy_code_chunk:n {#1}
    \hook_if_exist:nT {#1}
      {
        \prop_if_empty:cTF {g__hook_#1_code_prop}
          { \tl_gset:co { __hook~#1 }
                        { \cs:w __hook_next~#1 \cs_end: } }
          {
            \__hook_if_reversed:nTF {#1}
              { \cs_set_eq:NN \__hook_tl_gput:NV    \tl_gput_left:NV
                \cs_set_eq:NN \__hook_clist_gput:NV \clist_gput_left:NV  }
              { \cs_set_eq:NN \__hook_tl_gput:NV    \tl_gput_right:NV
                \cs_set_eq:NN \__hook_clist_gput:NV \clist_gput_right:NV }
            \prop_set_eq:Nc \l__hook_work_prop { g__hook_#1_code_prop }
            \__hook_initialize_single:cccn
              { __hook~#1 } { __hook_next~#1 }
              { g__hook_#1_labels_clist } {#1}
            \__hook_debug:n{ \exp_args:NNx \prop_gput:Nnn
                                       \g__hook_used_prop {#1}{} }
          }
      }
    \debug_resume:
  }
\cs_new:Npn \__hook_tl_csname:n #1 { l__hook_label_#1_tl }
\cs_new:Npn \__hook_seq_csname:n #1 { l__hook_label_#1_seq }
\seq_new:N \l__hook_labels_seq
\int_new:N \l__hook_labels_int
\tl_new:N \l__hook_front_tl
\tl_new:N \l__hook_rear_tl
\tl_new:c { \__hook_tl_csname:n { 0 } }
\cs_new_protected:Npn \__hook_initialize_single:NNNn #1#2#3#4
  {
    \seq_clear:N \l__hook_labels_seq
    \int_zero:N  \l__hook_labels_int
    \tl_set:Nn \l__hook_cur_hook_tl {#4}
    \prop_map_inline:Nn \l__hook_work_prop
       {
         \int_incr:N \l__hook_labels_int
         \seq_put_right:Nn \l__hook_labels_seq {##1}
         \tl_set:cn { \__hook_tl_csname:n {##1} }{0}
         \seq_clear_new:c { \__hook_seq_csname:n {##1} }
       }
    \prop_map_inline:Nn \l__hook_work_prop
      {
        \prop_map_inline:Nn \l__hook_work_prop
          {
            \__hook_if_label_case:nnnnn {##1} {####1}
              { \prop_map_break: }
              { \__hook_apply_label_pair:nnn {##1} {####1} }
              { \__hook_apply_label_pair:nnn {####1} {##1} }
                  {#4}
          }
      }
    \__hook_debug:n { \__hook_debug_label_data:N \l__hook_work_prop }
    \tl_set:Nn \l__hook_rear_tl { 0 }
    \tl_set:cn { \__hook_tl_csname:n { 0 } } { 0 }
    \seq_map_inline:Nn \l__hook_labels_seq
      {
        \int_compare:nNnT { \cs:w \__hook_tl_csname:n {##1} \cs_end: } = 0
            {
              \tl_set:cn { \__hook_tl_csname:n { \l__hook_rear_tl } }{##1}
              \tl_set:Nn \l__hook_rear_tl {##1}
            }
      }
    \tl_set_eq:Nc \l__hook_front_tl { \__hook_tl_csname:n { 0 } }
    \tl_gclear:N #1
    \clist_gclear:N #3
    \bool_while_do:nn { ! \str_if_eq_p:Vn \l__hook_front_tl { 0 } }
      {
        \int_decr:N \l__hook_labels_int
        \prop_get:NVN \l__hook_work_prop \l__hook_front_tl \l__hook_return_tl
        \__hook_tl_gput:NV #1 \l__hook_return_tl
        \__hook_clist_gput:NV #3 \l__hook_front_tl
        \__hook_debug:n{ \iow_term:x{Handled~ code~ for~ \l__hook_front_tl} }
        \seq_map_inline:cn { \__hook_seq_csname:n { \l__hook_front_tl } }
          {
            \tl_set:cx { \__hook_tl_csname:n {##1} }
                       { \int_eval:n
                           { \cs:w \__hook_tl_csname:n {##1} \cs_end: - 1 }
                       }
            \int_compare:nNnT
                { \cs:w \__hook_tl_csname:n {##1} \cs_end: } = 0
                {
                  \tl_set:cn { \__hook_tl_csname:n { \l__hook_rear_tl } } {##1}
                  \tl_set:Nn \l__hook_rear_tl            {##1}
                }
          }
        \tl_set_eq:Nc \l__hook_front_tl
                      { \__hook_tl_csname:n { \l__hook_front_tl } }
      }
    \int_compare:nNnF \l__hook_labels_int = 0
      {
        \iow_term:x{====================}
        \iow_term:x{Error:~ label~ rules~ are~ incompatible:}
        \__hook_debug_label_data:N \l__hook_work_prop
        \iow_term:x{====================}
      }
    \tl_gput_right:Nn #1 {#2}
  }
\cs_generate_variant:Nn \__hook_initialize_single:NNNn {ccc}
\cs_new:Npn \__hook_tl_gput:NV     {\ERROR}
\cs_new:Npn \__hook_clist_gput:NV  {\ERROR}
\cs_new_protected:Npn \__hook_apply_label_pair:nnn #1#2#3
  {
    \__hook_label_if_exist_apply:nnnF {#1} {#2} {#3}
      {
        \__hook_label_if_exist_apply:nnnF {#1} {#2} { ?? } { }
      }
  }
\cs_new_protected:Npn \__hook_label_if_exist_apply:nnnF #1#2#3
  {
    \if_cs_exist:w g__hook_ #3 _rule_ #1 | #2 _tl \cs_end:
      \__hook_apply_rule:nnn {#1} {#2} {#3}
      \exp_after:wN \use_none:n
    \else:
      \use:nn
    \fi:
  }
\cs_new_protected:Npn \__hook_apply_rule:nnn #1#2#3
  {
    \cs:w __hook_apply_
      \cs:w g__hook_#3_reversed_tl \cs_end: rule_
        \cs:w g__hook_ #3 _rule_ #1 | #2 _tl \cs_end: :nnn \cs_end:
      {#1} {#2} {#3}
  }
\cs_new_protected:cpn { __hook_apply_rule_<:nnn } #1#2#3
  {
    \__hook_debug:n { \__hook_msg_pair_found:nnn {#1} {#2} {#3} }
    \tl_set:cx { \__hook_tl_csname:n {#2} }
       { \int_eval:n{ \cs:w \__hook_tl_csname:n {#2} \cs_end: + 1 } }
    \seq_put_right:cn{ \__hook_seq_csname:n {#1} }{#2}
  }
\cs_new_protected:cpn { __hook_apply_rule_>:nnn } #1#2#3
  {
    \__hook_debug:n { \__hook_msg_pair_found:nnn {#1} {#2} {#3} }
    \tl_set:cx { \__hook_tl_csname:n {#1} }
       { \int_eval:n{ \cs:w \__hook_tl_csname:n {#1} \cs_end: + 1 } }
    \seq_put_right:cn{ \__hook_seq_csname:n {#2} }{#1}
  }
\cs_new_protected:cpn { __hook_apply_rule_xE:nnn } #1#2#3
  {
    \__hook_debug:n { \__hook_msg_pair_found:nnn {#1} {#2} {#3} }
    \msg_error:nnnnnn { hooks } { labels-incompatible }
      {#1} {#2} {#3} { 1 }
    \use:c { __hook_apply_rule_->:nnn } {#1} {#2} {#3}
    \use:c { __hook_apply_rule_<-:nnn } {#1} {#2} {#3}
  }
\cs_new_protected:cpn { __hook_apply_rule_xW:nnn } #1#2#3
  {
    \__hook_debug:n { \__hook_msg_pair_found:nnn {#1} {#2} {#3} }
    \msg_warning:nnnnnn { hooks } { labels-incompatible }
      {#1} {#2} {#3} { 0 }
  }
\cs_new_protected:cpn { __hook_apply_rule_->:nnn } #1#2#3
  {
    \__hook_debug:n
       {
         \__hook_msg_pair_found:nnn {#1} {#2} {#3}
         \iow_term:x{--->~ Drop~ '#2'~ code~ from~
           \iow_char:N \\ g__hook_ \l__hook_cur_hook_tl _code_prop ~
           because~ of~ '#1' }
       }
    \prop_put:Nnn \l__hook_work_prop {#2} { }
  }
\cs_new_protected:cpn { __hook_apply_rule_<-:nnn } #1#2#3
  {
    \__hook_debug:n
       {
         \__hook_msg_pair_found:nnn {#1} {#2} {#3}
         \iow_term:x{--->~ Drop~ '#1'~ code~ from~
           \iow_char:N \\ g__hook_ \l__hook_cur_hook_tl _code_prop ~
           because~ of~ '#2' }
       }
    \prop_put:Nnn \l__hook_work_prop {#1} { }
  }
\cs_new_eq:cc { __hook_apply_-rule_<:nnn  } { __hook_apply_rule_>:nnn }
\cs_new_eq:cc { __hook_apply_-rule_>:nnn  } { __hook_apply_rule_<:nnn }
\cs_new_eq:cc { __hook_apply_-rule_<-:nnn } { __hook_apply_rule_<-:nnn }
\cs_new_eq:cc { __hook_apply_-rule_->:nnn } { __hook_apply_rule_->:nnn }
\cs_new_eq:cc { __hook_apply_-rule_xE:nnn  } { __hook_apply_rule_xE:nnn }
\cs_new_eq:cc { __hook_apply_-rule_xW:nnn  } { __hook_apply_rule_xW:nnn }
\cs_new_protected:Npn \__hook_msg_pair_found:nnn #1#2#3
  {
    \iow_term:x{~ \str_if_eq:nnTF {#3} {??} {default} {~normal} ~
        rule~ \__hook_label_pair:nn {#1} {#2}:~
        \use:c { g__hook_#3_rule_ \__hook_label_pair:nn {#1} {#2} _tl } ~
        found}
  }
\cs_new_protected:Npn \__hook_debug_label_data:N #1 {
  \iow_term:x{Code~ labels~ for~ sorting:}
  \iow_term:x{~ \seq_use:Nnnn\l__hook_labels_seq {~and~}{,~}{~and~} }
  \iow_term:x{^^J Data~ structure~ for~ label~ rules:}
  \prop_map_inline:Nn #1
       {
         \iow_term:x{~ ##1~ =~ \tl_use:c{ \__hook_tl_csname:n {##1} }~ ->~
           \seq_use:cnnn{ \__hook_seq_csname:n {##1} }{~->~}{~->~}{~->~}
         }
       }
  \iow_term:x{}
}
\cs_new_protected:Npn \hook_log:n #1
  {
    \cs_set_eq:NN \__hook_log_cmd:x \iow_log:x
    \__hook_normalize_hook_args:Nn \__hook_log:nN {#1} \tl_log:x
  }
\cs_new_protected:Npn \hook_show:n #1
  {
    \cs_set_eq:NN \__hook_log_cmd:x \iow_term:x
    \__hook_normalize_hook_args:Nn \__hook_log:nN {#1} \tl_show:x
  }
\cs_new_protected:Npn \__hook_log_line:x #1
  { \__hook_log_cmd:x { >~#1 } }
\cs_new_protected:Npn \__hook_log_line_indent:x #1
  { \__hook_log_cmd:x { >~\@spaces #1 } }
\cs_new_protected:Npn \__hook_log:nN #1 #2
  {
    \__hook_preamble_hook:n {#1}
    \__hook_log_cmd:x { ^^J ->~The~hook~'#1': }
    \hook_if_exist:nF {#1}
      { \__hook_log_line:x { is~not~declared! } }
    \__hook_if_exist:nTF {#1}
      {
        \__hook_log_line:x { Code~chunks: }
        \prop_if_empty:cTF { g__hook_#1_code_prop }
          { \__hook_log_line_indent:x { --- } }
          {
            \prop_map_inline:cn { g__hook_#1_code_prop }
              { \__hook_log_line_indent:x { ##1~->~\tl_to_str:n {##2} } }
          }
        \__hook_log_line:x { Extra~code~for~next~invocation:}
        \__hook_log_line_indent:x
          {
            \tl_if_empty:cTF { __hook_next~#1 }
              { --- }
              { ->~ \exp_args:Nv \__hook_log_next_code:n { __hook_next~#1 } }
          }
        \__hook_log_line:x { Rules: }
        \bool_set_true:N \l__hook_tmpa_bool
        \__hook_list_rules:nn {#1}
          {
            \bool_set_false:N \l__hook_tmpa_bool
            \__hook_log_line_indent:x
              {
                ##2~ with~
                \str_if_eq:nnT {##3} {??} { default~ }
                relation~ ##1
              }
          }
        \bool_if:NT \l__hook_tmpa_bool
          { \__hook_log_line_indent:x { --- } }
        \bool_lazy_and:nnTF
            { \hook_if_exist_p:n {#1} }
            { ! \hook_if_empty_p:n {#1} }
          {
            \__hook_log_line:x
              {
                Execution~order
                \bool_if:NTF \l__hook_tmpa_bool
                  { \__hook_if_reversed:nT {#1} { ~(after~reversal) } }
                  { ~(after~
                    \__hook_if_reversed:nT {#1} { reversal~and~ }
                    applying~rules)
                  } :
              }
            #2 % \tl_show:n
              {
                \@spaces
                \clist_if_empty:cTF { g__hook_#1_labels_clist }
                  { --- }
                  { \clist_use:cn {g__hook_#1_labels_clist} { ,~ } }
              }
          }
          {
            #2
              {
                Hook~ \hook_if_exist:nTF {#1}
                  {code~pool~empty} {not~declared}
              }
          }
      }
      { #2 { The~hook~is~empty. } }
  }
\cs_new:Npn \__hook_log_next_code:n #1
  { \exp_args:No \tl_to_str:n { \use_none:nn #1 } }
\cs_new_protected:Npn \__hook_list_rules:nn #1 #2
  {
    \cs_set_protected:Npn \__hook_tmp:w ##1 ##2 ##3 {#2}
    \prop_map_inline:cn { g__hook_#1_code_prop }
      {
        \prop_map_inline:cn { g__hook_#1_code_prop }
          {
            \__hook_if_label_case:nnnnn {##1} {####1}
              { \prop_map_break: }
              { \__hook_list_one_rule:nnn {##1} {####1} }
              { \__hook_list_one_rule:nnn {####1} {##1} }
                  {#1}
          }
      }
  }
\cs_new_protected:Npn \__hook_list_one_rule:nnn #1#2#3
  {
    \__hook_list_if_rule_exists:nnnF {#1} {#2} {#3} { }
      { \__hook_list_if_rule_exists:nnnF {#1} {#2} { ?? } { } }
  }
\cs_new_protected:Npn \__hook_list_if_rule_exists:nnnF #1#2#3
  {
    \if_cs_exist:w g__hook_ #3 _rule_ #1 | #2 _tl \cs_end:
      \exp_args:Nv \__hook_tmp:w
        { g__hook_ #3 _rule_ #1 | #2 _tl } { #1 | #2 } {#3}
    \fi:
  }
\cs_new_protected:Npn \__hook_debug_print_rules:n #1
  {
    \iow_term:n { The~hook~#1~contains~the~rules: }
    \cs_set_protected:Npn \__hook_tmp:w ##1
      {
        \__hook_list_rules:nn {#1}
          {
            \iow_term:x
              {
                > ##1 {####2} ##1 => ##1 {####1}
                \str_if_eq:nnT {####3} {??} { ~(default) }
              }
          }
      }
    \exp_args:No \__hook_tmp:w { \use:nn { ~ } { ~ } }
  }
\cs_new_protected:Npn \hook_gput_next_code:nn #1
  { \__hook_normalize_hook_args:Nn \__hook_gput_next_code:nn {#1} }
\cs_new_protected:Npn \__hook_gput_next_code:nn #1 #2
  {
    \debug_suspend:
    \__hook_declare:n {#1}
    \hook_if_exist:nTF {#1}
      { \__hook_gput_next_do:nn {#1} {#2} }
      { \__hook_try_declaring_generic_next_hook:nn {#1} {#2} }
    \debug_resume:
  }
\cs_new_protected:Npn \__hook_gput_next_do:nn #1
  {
    \exp_args:Nc \__hook_gput_next_do:Nnn
      { __hook_next~#1 } {#1}
  }
\cs_new_protected:Npn \__hook_gput_next_do:Nnn #1 #2
  {
    \tl_if_empty:cT { __hook~#2 }
      { \__hook_update_hook_code:n {#2} }
    \tl_if_empty:NT #1
      { \tl_gset:Nn #1 { \__hook_clear_next:n {#2} } }
    \tl_gput_right:Nn #1
  }
\cs_new_protected:Npn \__hook_clear_next:n #1
  { \cs_gset_eq:cN { __hook_next~#1 } \c_empty_tl }
\cs_new_protected:Npn \hook_use:n #1
  {
    \tl_if_exist:cTF { __hook~#1 }
      {
        \__hook_preamble_hook:n {#1}
        \cs:w __hook~#1 \cs_end:
      }
      { \__hook_use:wn #1 / \s__hook_mark {#1} }
  }
\cs_new:Npn \__hook_use_initialized:n #1
  {
    \if_cs_exist:w __hook~#1 \cs_end:
    \else:
      \__hook_use_undefined:w
    \fi:
    \cs:w __hook~#1 \__hook_use_end:
  }
\cs_new:Npn \__hook_use_undefined:w #1 #2 __hook~#3 \__hook_use_end:
  {
    #1 % fi
    \__hook_use:wn #3 / \s__hook_mark {#3}
  }
\cs_new_protected:Npn \__hook_preamble_hook:n #1
  { \__hook_initialize_hook_code:n {#1} }
\cs_new_eq:NN \__hook_use_end: \cs_end:
\cs_new:Npn \__hook_use:wn #1 / #2 \s__hook_mark #3
  {
    \str_if_eq:nnTF {#1} { file }
      { \__hook_try_file_hook:n {#3} }
      { } % Hook doesn't exist
  }
\cs_new_protected:Npn \__hook_try_file_hook:n #1
  {
    \__hook_if_file_hook:wTF #1 / / \s__hook_mark
      {
        \exp_args:Ne \__hook_if_exist_use:n
          { \exp_args:Ne \__hook_file_hook_normalize:n {#1} }
      }
      { \__hook_if_exist_use:n {#1} } % file/ generic hook (e.g. file/before)
  }
\cs_new_protected:Npn \__hook_if_exist_use:n #1
  {
    \tl_if_exist:cT { __hook~#1 }
      {
        \__hook_preamble_hook:n {#1}
        \cs:w __hook~#1 \cs_end:
      }
  }
\cs_new_protected:Npn \hook_use_once:n #1
  {
    \tl_if_exist:cT { __hook~#1 }
      {
        \tl_set:Nn \l__hook_return_tl {#1}
        \__hook_normalize_hook_args:Nn \__hook_use_once_store:n
          { \l__hook_return_tl }
        \hook_use:n {#1}
      }
  }
\cs_new_protected:Npn \__hook_use_once_store:n #1
  { \prop_gput:Nnn \g__hook_execute_immediately_prop {#1} { } }
\prg_new_conditional:Npnn \hook_if_empty:n #1 { p , T , F , TF }
  {
    \__hook_if_exist:nTF {#1}
      {
        \bool_lazy_and:nnTF
            { \prop_if_empty_p:c { g__hook_#1_code_prop } }
            { \tl_if_empty_p:c { __hook_next~#1 } }
          { \prg_return_true: }
          { \prg_return_false: }
      }
      { \prg_return_true: }
  }
\prg_new_conditional:Npnn \hook_if_exist:n #1 { p , T , F , TF }
  {
    \tl_if_exist:cTF { __hook~#1 }
      { \prg_return_true: }
      { \prg_return_false: }
  }
\prg_new_conditional:Npnn \__hook_if_exist:n #1 { p , T , F , TF }
  {
    \prop_if_exist:cTF { g__hook_#1_code_prop }
      { \prg_return_true: }
      { \prg_return_false: }
  }
\prg_new_conditional:Npnn \__hook_if_reversed:n #1 { p , T , F , TF }
  {
    \if_int_compare:w \cs:w g__hook_#1_reversed_tl \cs_end: 1 < 0 \exp_stop_f:
      \prg_return_true:
    \else:
      \prg_return_false:
    \fi:
  }
\msg_new:nnnn { hooks } { labels-incompatible }
  {
    Labels~`#1'~and~`#2'~are~incompatible
    \str_if_eq:nnF {#3} {??} { ~in~hook~`#3' } .~
    \int_compare:nNnTF {#4} = { 1 }
      { The~ code~ for~ both~ labels~ will~ be~ dropped. }
      { You~ may~ see~ errors~ later. }
  }
  { LaTeX~found~two~incompatible~labels~in~the~same~hook.~
    This~indicates~an~incompatibility~between~packages.  }
\msg_new:nnnn { hooks } { exists }
    { Hook~`#1'~ has~ already~ been~ declared. }
    { There~ already~ exists~ a~ hook~ declaration~ with~ this~
      name.\\
      Please~ use~ a~ different~ name~ for~ your~ hook.}
\msg_new:nnn { hooks } { empty-label }
  { Empty~code~label~\msg_line_context:.~Using~`#1'~instead. }
\msg_new:nnnn { hooks } { unknown-rule }
  { Unknown~ relationship~ `#3'~
    between~ labels~ `#2'~ and~ `#4'~
    \str_if_eq:nnF {#1} {??} { ~in~hook~`#1' }. ~
    Perhaps~ a~ missspelling?
  }
  {
    The~ relation~ used~ not~ known~ to~ the~ system.~ Allowed~ values~ are~
    `before'~ or~ `<',~
    `after'~ or~ `>',~
    `incompatible-warning',~
    `incompatible-error',~
    `voids'~ or~
    `unrelated'.
  }
\msg_new:nnn { hooks } { should-not-happen }
  {
    ERROR!~This~should~not~happen.~#1 \\
    Please~report~at~https://github.com/latex3/latex2e.
  }
\NewDocumentCommand \NewHook             { m }{ \hook_new:n {#1} }
\NewDocumentCommand \NewReversedHook     { m }{ \hook_new_reversed:n {#1} }
\NewDocumentCommand \NewMirroredHookPair { mm }{ \hook_new_pair:nn {#1}{#2} }
\NewDocumentCommand \AddToHook { m o +m }
  { \hook_gput_code:nnn {#1} {#2} {#3} }
\NewDocumentCommand \AddToHookNext { m +m }
  { \hook_gput_next_code:nn {#1} {#2} }
\NewDocumentCommand \RemoveFromHook { m o }
  { \hook_gremove_code:nn {#1} {#2} }
\seq_gpush:Nn \g__hook_name_stack_seq { }
\cs_new_protected:Npn \__hook_curr_name_push:n #1
  {
    \seq_gpush:Nn \g__hook_name_stack_seq {#1}
    \tl_gset:Nn \g__hook_hook_curr_name_tl {#1}
  }
\cs_new_protected:Npn \__hook_curr_name_pop:
  {
    \seq_gpop:NN \g__hook_name_stack_seq \l__hook_return_tl
    \seq_get:NNTF \g__hook_name_stack_seq \l__hook_return_tl
      { \tl_gset_eq:NN \g__hook_hook_curr_name_tl \l__hook_return_tl }
      {
        \msg_error:nnn { hooks } { should-not-happen }
          { Tried~to~pop~from~an~empty~default~label~stack. }
      }
  }
\NewDocumentCommand \DeclareDefaultHookLabel { m }
  {
    \seq_gpop:NN \g__hook_name_stack_seq \l__hook_return_tl
    \__hook_curr_name_push:n {#1}
  }
\cs_new:Npn \UseHook        { \hook_use:n }
\cs_new:Npn \UseOneTimeHook { \hook_use_once:n }
\cs_new_protected:Npn \ShowHook { \hook_show:n }
\cs_new_protected:Npn \LogHook { \hook_log:n }
\cs_new_protected:Npn \DebugHooksOn  { \hook_debug_on:  }
\cs_new_protected:Npn \DebugHooksOff { \hook_debug_off: }
\NewDocumentCommand \DeclareHookRule { m m m m }
                    { \hook_gset_rule:nnnn {#1}{#2}{#3}{#4} }
\NewDocumentCommand \DeclareDefaultHookRule { m m m }
                    { \hook_gset_rule:nnnn {??}{#1}{#2}{#3} }
\@onlypreamble\DeclareDefaultHookRule
\NewDocumentCommand \ClearHookRule { m m m }
{ \hook_gset_rule:nnnn {#1}{#2}{unrelated}{#3} }
\cs_new_eq:NN \IfHookExistsTF \hook_if_exist:nTF
\cs_new_eq:NN \IfHookEmptyTF \hook_if_empty:nTF
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%5
\cs_new_eq:NN \@expl@@@initialize@all@@
              \__hook_initialize_all:
\cs_new_eq:NN \@expl@@@hook@curr@name@push@@n
              \__hook_curr_name_push:n
\cs_new_eq:NN \@expl@@@hook@curr@name@pop@@
              \__hook_curr_name_pop:
\ExplSyntaxOff
\EndIncludeInRelease
\IncludeInRelease{0000/00/00}%
                 {\NewHook}{The hook management}%

\def\NewHook#1{}
\def\NewReversedHook#1{}
\def\NewMirroredHookPair#1#2{}

\long\def\AddToHookNext#1#2{}

\def\AddToHook#1{\@gobble@AddToHook@args}
\providecommand\@gobble@AddToHook@args[2][]{}

\def\RemoveFromHook#1{\@gobble@RemoveFromHook@arg}
\providecommand\@gobble@RemoveFromHook@arg[1][]{}

\def \UseHook        #1{}
\def \UseOneTimeHook #1{}
\def \ShowHook #1{}
\let \DebugHooksOn \@empty
\let \DebugHooksOff\@empty

\def \DeclareHookRule #1#2#3#4{}
\def \DeclareDefaultHookRule #1#2#3{}
\def \ClearHookRule #1#2#3{}
\long\def \IfHookExistsTF #1#2#3{#3}
\long\def \IfHookEmptyTF #1#2#3{#2}

\EndIncludeInRelease
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%%% From File: ltalloc.dtx
%%% From File: ltcntrl.dtx
%%% From File: lterror.dtx
%%% From File: ltpar.dtx
%%% From File: ltlists.dtx
%%% From File: ltboxes.dtx
\IncludeInRelease{2015/01/01}%
                 {\makebox}{Make \makebox robust}%
\DeclareRobustCommand\makebox{%
  \leavevmode
  \@ifnextchar(%)
    \@makepicbox
    {\@ifnextchar[\@makebox\mbox}}%
\EndIncludeInRelease
\IncludeInRelease{0000/00/00}%
                 {\makebox}{Make \makebox robust}%
\def\makebox{%
  \leavevmode
  \@ifnextchar(%)
    \@makepicbox
    {\@ifnextchar[\@makebox\mbox}}%
\expandafter\let\csname makebox \endcsname\@undefined
\EndIncludeInRelease
\IncludeInRelease{2020/10/01}%
                 {\@imakepicbox}{default units}%
\long\def\@imakepicbox(#1,#2)[#3]#4{%
  \@defaultunitsset\@tempdimc{#2}\unitlength
  \vbox to\@tempdimc
   {\let\mb@b\vss \let\mb@l\hss\let\mb@r\hss
    \let\mb@t\vss
    \@tfor\reserved@a :=#3\do{%
      \if s\reserved@a
        \let\mb@l\relax\let\mb@r\relax
      \else
        \expandafter\let\csname mb@\reserved@a\endcsname\relax
      \fi}%
    \mb@t
    \@defaultunitsset\@tempdimc{#1}\unitlength
    \hb@xt@\@tempdimc{\mb@l #4\mb@r}%
    \mb@b
    \kern\z@}}
\EndIncludeInRelease
\IncludeInRelease{0000/00/00}%
                 {\@imakepicbox}{default units}%
\long\def\@imakepicbox(#1,#2)[#3]#4{%
  \vbox to#2\unitlength
   {\let\mb@b\vss \let\mb@l\hss\let\mb@r\hss
    \let\mb@t\vss
    \@tfor\reserved@a :=#3\do{%
      \if s\reserved@a
        \let\mb@l\relax\let\mb@r\relax
      \else
        \expandafter\let\csname mb@\reserved@a\endcsname\relax
      \fi}%
    \mb@t
    \hb@xt@ #1\unitlength{\mb@l #4\mb@r}%
    \mb@b
    \kern\z@}}
\EndIncludeInRelease
\IncludeInRelease{2015/01/01}%
                 {\savebox}{Make \savebox robust}%
\DeclareRobustCommand\savebox[1]{%
  \@ifnextchar(%)
    {\@savepicbox#1}{\@ifnextchar[{\@savebox#1}{\sbox#1}}}%
\EndIncludeInRelease
\IncludeInRelease{0000/00/00}%
                 {\savebox}{Make \savebox robust}%
\def\savebox#1{%
  \@ifnextchar(%)
    {\@savepicbox#1}{\@ifnextchar[{\@savebox#1}{\sbox#1}}}%
\expandafter\let\csname savebox \endcsname\@undefined
\EndIncludeInRelease
\IncludeInRelease{2015/01/01}%
                 {\framebox}{Make \framebox robust}%
\DeclareRobustCommand\framebox{%
  \@ifnextchar(%)
    \@framepicbox{\@ifnextchar[\@framebox\fbox}}%
\EndIncludeInRelease
\IncludeInRelease{0000/00/00}%
                 {\framebox}{Make \framebox robust}%
\def\framebox{%
  \@ifnextchar(%)
    \@framepicbox{\@ifnextchar[\@framebox\fbox}}%
\expandafter\let\csname framebox \endcsname\@undefined
\EndIncludeInRelease
\IncludeInRelease{2015/01/01}%
                 {\parbox}{Make \parbox robust}%
\DeclareRobustCommand\parbox{%
  \@ifnextchar[%]
    \@iparbox
    {\@iiiparbox c\relax[s]}}%
\EndIncludeInRelease
\IncludeInRelease{0000/00/00}%
                 {\parbox}{Make \parbox robust}%
\def\parbox{%
  \@ifnextchar[%]
    \@iparbox
    {\@iiiparbox c\relax[s]}}%
\expandafter\let\csname parbox \endcsname\@undefined
\EndIncludeInRelease
\IncludeInRelease{2017-04-15}%
                 {\normallineskiplimit}
                 {reset \lineskiplimit}%
\def\@arrayparboxrestore{%
  \let\if@nobreak\iffalse
  \let\if@noskipsec\iffalse
  \let\par\@@par
  \let\-\@dischyph
  \let\'\@acci\let\`\@accii\let\=\@acciii
  \parindent\z@ \parskip\z@skip
  \everypar{}%
  \linewidth\hsize
  \@totalleftmargin\z@
  \leftskip\z@skip \rightskip\z@skip \@rightskip\z@skip
  \parfillskip\@flushglue
  \lineskip\normallineskip
  \lineskiplimit\normallineskiplimit
  \baselineskip\normalbaselineskip
  \sloppy}
\EndIncludeInRelease
\IncludeInRelease{0000-00-00}%
                 {\normallineskiplimit}
                 {reset \lineskiplimit}%
\def\@arrayparboxrestore{%
  \let\if@nobreak\iffalse
  \let\if@noskipsec\iffalse
  \let\par\@@par
  \let\-\@dischyph
  \let\'\@acci\let\`\@accii\let\=\@acciii
  \parindent\z@ \parskip\z@skip
  \everypar{}%
  \linewidth\hsize
  \@totalleftmargin\z@
  \leftskip\z@skip \rightskip\z@skip \@rightskip\z@skip
  \parfillskip\@flushglue \lineskip\normallineskip
  \baselineskip\normalbaselineskip
  \sloppy}
\EndIncludeInRelease
\IncludeInRelease{2015/01/01}%
                 {\rule}{Make \rule robust}%
\DeclareRobustCommand\rule{\@ifnextchar[\@rule{\@rule[\z@]}}%
\EndIncludeInRelease
\IncludeInRelease{0000/00/00}%
                 {\rule}{Make \rule robust}%
\def\rule{\@ifnextchar[\@rule{\@rule[\z@]}}%
\expandafter\let\csname rule \endcsname\@undefined
\EndIncludeInRelease
\IncludeInRelease{2015/01/01}%
                 {\raisebox}{Make \raisebox robust}%
\DeclareRobustCommand\raisebox[1]{%
  \leavevmode
  \@ifnextchar[{\@rsbox{#1}}{\@irsbox{#1}[]}}
\EndIncludeInRelease
\IncludeInRelease{0000/00/00}%
                 {\raisebox}{Make \raisebox robust}%
\def\raisebox#1{%
  \leavevmode
  \@ifnextchar[{\@rsbox{#1}}{\@irsbox{#1}[]}}
\expandafter\let\csname raisebox \endcsname\@undefined
\EndIncludeInRelease
%%% From File: lttab.dtx
\IncludeInRelease{2020/10/01}%
                 {\@itabcr}{Tabbing calc syntax}%
\def\@itabcr[#1]{\@vspace@calcify{#1}\@startline\ignorespaces}
\EndIncludeInRelease
\IncludeInRelease{0000/00/00}%
                 {\@itabcr}{Tabbing calc syntax}%

\def\@itabcr[#1]{\vskip #1\@startline\ignorespaces}
\EndIncludeInRelease
\IncludeInRelease{2019/10/01}%
                 {\pushtabs}{Make commands robust}%
\DeclareRobustCommand\pushtabs{%
  \@stopfield\@addfield\global\advance\@tabpush \@ne \begingroup
       \@contfield}
\DeclareRobustCommand\poptabs{\@stopfield\@addfield
  \ifnum \@tabpush >\z@
    \endgroup
    \global\advance\@tabpush \m@ne
    \ifnum \@curtab >\@hightab
      \global \@curtab \@hightab
      \@badtab
    \fi
  \else
    \@badpoptabs
  \fi
  \@contfield}
\DeclareRobustCommand\kill{\@stopfield\@startline\ignorespaces}
\EndIncludeInRelease
\IncludeInRelease{0000/00/00}%
                 {\pushtabs}{Make commands robust}%

\kernel@make@fragile\pushtabs
\kernel@make@fragile\poptabs
\kernel@make@fragile\kill

\EndIncludeInRelease
\IncludeInRelease{2020/10/01}%
                 {\@yargarraycr}{tabular support calc syntax}%
\def\@yargarraycr#1{\cr\noalign{\@vspace@calcify{#1}}}
\EndIncludeInRelease
\IncludeInRelease{0000/00/00}%
                 {\@yargarraycr}{tabular support calc syntax}%

\def\@yargarraycr#1{\cr\noalign{\vskip #1}}
\EndIncludeInRelease
%%% From File: ltmath.dtx
\IncludeInRelease{2019/10/01}%
                 {\vphantom}{Make commands robust}%
\DeclareRobustCommand\vphantom{\v@true\h@false\ph@nt}
\DeclareRobustCommand\hphantom{\v@false\h@true\ph@nt}
\DeclareRobustCommand\phantom{\v@true\h@true\ph@nt}
\DeclareRobustCommand\mathstrut{\vphantom(}
\EndIncludeInRelease
\IncludeInRelease{0000/00/00}%
                 {\vphantom}{Make commands robust}%

\kernel@make@fragile\vphantom
\kernel@make@fragile\hphantom
\kernel@make@fragile\phantom
\kernel@make@fragile\mathstrut

\EndIncludeInRelease
\IncludeInRelease{2018/12/01}%
                 {\finph@nt}{Start LR-mode}%
\def\finph@nt{%
  \setbox\tw@\null
  \ifv@ \ht\tw@\ht\z@ \dp\tw@\dp\z@\fi
  \ifh@ \wd\tw@\wd\z@\fi
  \leavevmode@ifvmode\box\tw@}
\EndIncludeInRelease
\IncludeInRelease{0000/00/00}%
                 {\finph@nt}{Start LR-mode}%
\def\finph@nt{%
  \setbox\tw@\null
  \ifv@ \ht\tw@\ht\z@ \dp\tw@\dp\z@\fi
  \ifh@ \wd\tw@\wd\z@\fi \box\tw@}
\EndIncludeInRelease
\IncludeInRelease{2018/12/01}%
                 {\finsm@sh}{Start LR-mode}%
\def\finsm@sh{\ht\z@\z@ \dp\z@\z@ \leavevmode@ifvmode\box\z@}
\EndIncludeInRelease
\IncludeInRelease{0000/00/00}%
                 {\finsm@sh}{Start LR-mode}%
\def\finsm@sh{\ht\z@\z@ \dp\z@\z@ \box\z@}
\EndIncludeInRelease
\IncludeInRelease{2019/10/01}%
                 {\cases}{Make commands robust}%
\DeclareRobustCommand*\cases[1]{\left\{\,\vcenter{\normalbaselines\m@th
    \ialign{$##\hfil$&\quad{##}\hfil\crcr#1\crcr}}\right.}
\DeclareRobustCommand*\matrix[1]{\null\,\vcenter{\normalbaselines\m@th
    \ialign{\hfil$##$\hfil&&\quad\hfil$##$\hfil\crcr
      \mathstrut\crcr\noalign{\kern-\baselineskip}
      #1\crcr\mathstrut\crcr\noalign{\kern-\baselineskip}}}\,}
\DeclareRobustCommand*\pmatrix[1]{\left(\matrix{#1}\right)}
\EndIncludeInRelease
\IncludeInRelease{0000/00/00}%
                 {\cases}{Make commands robust}%

\kernel@make@fragile\cases
\kernel@make@fragile\matrix
\kernel@make@fragile\pmatrix

\EndIncludeInRelease
\IncludeInRelease{2020/10/01}%
                 {\tmspace}{amsmath spacing commands}%
\DeclareRobustCommand\tmspace[3]{%
  \ifmmode\mskip#1#2\else\leavevmode@ifvmode\kern#1#3\fi\relax}
\DeclareRobustCommand\,{\tmspace+\thinmuskip{.16667em}}
\let\thinspace\,
\DeclareRobustCommand\!{\tmspace-\thinmuskip{.16667em}}
\let\negthinspace\!
\DeclareRobustCommand\:{\tmspace+\medmuskip{.2222em}}
\let\medspace\:
\let\>=\:
\DeclareRobustCommand\negmedspace{\tmspace-\medmuskip{.2222em}}
\DeclareRobustCommand\;{\tmspace+\thickmuskip{.2777em}}
\let\thickspace\;
\DeclareRobustCommand\negthickspace{\tmspace-\thickmuskip{.2777em}}
\EndIncludeInRelease
\IncludeInRelease{0000/00/00}%
                 {\tmspace}{amsmath spacing commands}%

\let\tmspace\@undefined
\DeclareRobustCommand{\,}{%
   \relax\ifmmode\mskip\thinmuskip\else\thinspace\fi}
\DeclareRobustCommand\thinspace{\leavevmode@ifvmode\kern .16667em }
\DeclareRobustCommand\negthinspace{\leavevmode@ifvmode\kern-.16667em }
\def\>{\mskip\medmuskip}
\let\:=\>
\def\;{\mskip\thickmuskip}
\def\!{\mskip-\thinmuskip}

\EndIncludeInRelease
\IncludeInRelease{2015/01/01}{\(}{Make \( robust}%
\DeclareRobustCommand\({%
  \relax\ifmmode\@badmath\else$\fi}%
\DeclareRobustCommand\){%
  \relax\ifmmode\ifinner$\else\@badmath\fi\else \@badmath\fi}%
\EndIncludeInRelease
\IncludeInRelease{0000/00/00}{\(}{Make \( robust}%
\def\({%
  \relax\ifmmode\@badmath\else$\fi}%
\expandafter\let\csname\string( \endcsname\@undefined
\def\){%
  \relax\ifmmode\ifinner$\else\@badmath\fi\else \@badmath\fi}%
\expandafter\let\csname\string) \endcsname\@undefined
\EndIncludeInRelease
\IncludeInRelease{2015/01/01}{\[}{Make \[ robust}%
\DeclareRobustCommand\[{%
   \relax\ifmmode
      \@badmath
   \else
      \ifvmode
         \nointerlineskip
         \makebox[.6\linewidth]{}%
      \fi
      $$%%$$ BRACE MATCH HACK
   \fi
}%
\DeclareRobustCommand\]{%
   \relax\ifmmode
      \ifinner
         \@badmath
      \else
         $$%%$$ BRACE MATCH HACK
      \fi
   \else
      \@badmath
   \fi
   \ignorespaces
}%
\EndIncludeInRelease
\IncludeInRelease{0000/00/00}{\[}{Make \[ robust}%
\def\[{%
   \relax\ifmmode
      \@badmath
   \else
      \ifvmode
         \nointerlineskip
         \makebox[.6\linewidth]{}%
      \fi
      $$%%$$ BRACE MATCH HACK
   \fi
}%
\expandafter\let\csname\string[ \endcsname\@undefined
\def\]{%
   \relax\ifmmode
      \ifinner
         \@badmath
      \else
         $$%%$$ BRACE MATCH HACK
      \fi
   \else
      \@badmath
   \fi
   \ignorespaces
}%
\expandafter\let\csname\string] \endcsname\@undefined
\EndIncludeInRelease
\IncludeInRelease{2020/10/01}%
                 {\@xeqncr}{eqnarray support calc syntax}%
\def\@xeqncr[#1]{%
   \ifnum0=`{\fi}%
   \@@eqncr
   \noalign{\penalty\@eqpen\vskip\jot\@vspace@calcify{#1}}%
}
\EndIncludeInRelease
\IncludeInRelease{0000/00/00}%
                 {\@xeqncr}{eqnarray support calc syntax}%

\def\@xeqncr[#1]{%
   \ifnum0=`{\fi}%
   \@@eqncr
   \noalign{\penalty\@eqpen\vskip\jot\vskip #1\relax}%
}
\EndIncludeInRelease
%%% From File: ltpictur.dtx
\IncludeInRelease{2020/10/01}%
                 {\@defaultunitsset}{default units}%
\def\@defaultunitsset#1#2#3{%
  \@defaultunits#1\dimexpr#2#3\relax\relax\@nnil}
\EndIncludeInRelease
\IncludeInRelease{0000/00/00}%
                 {\@defaultunitsset}{default units}%
\let\@defaultunitsset\@undefined
\EndIncludeInRelease
\IncludeInRelease{2020/10/01}%
                 {\@picture}{default units}%
\def\@picture(#1,#2)(#3,#4){%
  \@defaultunitsset\@picht{#2}\unitlength
  \@defaultunitsset\@tempdimc{#1}\unitlength
  \setbox\@picbox\hb@xt@\@tempdimc\bgroup
    \@defaultunitsset\@tempdimc{#3}\unitlength
    \hskip -\@tempdimc
    \@defaultunitsset\@tempdimc{#4}\unitlength
    \lower\@tempdimc\hbox\bgroup
      \ignorespaces}
\EndIncludeInRelease
\IncludeInRelease{0000/00/00}%
                 {\@picture}{default units}%
\def\@picture(#1,#2)(#3,#4){%
  \@picht#2\unitlength
  \setbox\@picbox\hb@xt@#1\unitlength\bgroup
    \hskip -#3\unitlength
    \lower #4\unitlength\hbox\bgroup
      \ignorespaces}
\EndIncludeInRelease
\IncludeInRelease{2020/10/01}%
                 {\put}{default units}%
\expandafter\let\csname put \endcsname\@undefind
\long\def\put(#1,#2)#3{%
  \@killglue
  \@defaultunitsset\@tempdimc{#2}\unitlength
  \raise\@tempdimc
  \hb@xt@\z@{%
    \@defaultunitsset\@tempdimc{#1}\unitlength
    \kern\@tempdimc
    #3\hss}%
  \ignorespaces}
\EndIncludeInRelease
\IncludeInRelease{0000/00/00}%
                 {\put}{default units}%
\expandafter\let\csname put \endcsname\@undefind
\long\def\put(#1,#2)#3{%
  \@killglue\raise#2\unitlength
  \hb@xt@\z@{\kern#1\unitlength #3\hss}%
  \ignorespaces}
\EndIncludeInRelease
\IncludeInRelease{2020/10/01}%
                 {\multiput}{default units}%
\expandafter\let\csname multiput \endcsname\@undefind
\def\multiput(#1,#2)#3{%
  \@defaultunitsset\@xdim{#1}\unitlength
  \@defaultunitsset\@ydim{#2}\unitlength
   \@multiput(}
\EndIncludeInRelease
\IncludeInRelease{0000/00/00}%
                 {\multiput}{default units}%
\expandafter\let\csname multiput \endcsname\@undefind
\def\multiput(#1,#2)#3{%
  \@xdim #1\unitlength
  \@ydim #2\unitlength
   \@multiput(}
\EndIncludeInRelease
\IncludeInRelease{2020/10/01}%
                 {\@multiput}{default units}%
\long\def\@multiput(#1,#2)#3#4{%
  \@killglue\@multicnt #3\relax
  \@whilenum \@multicnt >\z@\do
    {\raise\@ydim\hb@xt@\z@{\kern\@xdim #4\hss}%
     \advance\@multicnt\m@ne
     \@defaultunitsset{\advance\@xdim}{#1}\unitlength
     \@defaultunitsset{\advance\@ydim}{#2}\unitlength}%
  \ignorespaces}
\EndIncludeInRelease
\IncludeInRelease{0000/00/00}%
                 {\@multiput}{default units}%
\long\def\@multiput(#1,#2)#3#4{%
  \@killglue\@multicnt #3\relax
  \@whilenum \@multicnt >\z@\do
    {\raise\@ydim\hb@xt@\z@{\kern\@xdim #4\hss}%
     \advance\@multicnt\m@ne
     \advance\@xdim#1\unitlength\advance\@ydim#2\unitlength}%
  \ignorespaces}
\EndIncludeInRelease
\IncludeInRelease{2020/10/01}%
                 {\@istackcr}{\shortstack calc support}%
\def\@istackcr[#1]{\cr\noalign{\@vspace@calcify{#1}}\ignorespaces}
\EndIncludeInRelease
\IncludeInRelease{0000/00/00}%
                 {\@istackcr}{\shortstack calc support}%

\def\@istackcr[#1]{\cr\noalign{\vskip #1}\ignorespaces}
\EndIncludeInRelease
\IncludeInRelease{2020/10/01}%
                 {\line}{default units}%
\expandafter\let\csname line \endcsname\@undefind
\def\line(#1,#2)#3{\@xarg #1\relax \@yarg #2\relax
  \@defaultunitsset\@linelen{#3}\unitlength
  \ifdim\@linelen<\z@\@badlinearg\else
    \ifnum\@xarg =\z@ \@vline
      \else \ifnum\@yarg =\z@ \@hline \else \@sline\fi
    \fi
  \fi}
\EndIncludeInRelease
\IncludeInRelease{0000/00/00}%
                 {\line}{default units}%
\expandafter\let\csname line \endcsname\@undefind
\def\line(#1,#2)#3{\@xarg #1\relax \@yarg #2\relax
  \@linelen #3\unitlength
  \ifdim\@linelen<\z@\@badlinearg\else
    \ifnum\@xarg =\z@ \@vline
      \else \ifnum\@yarg =\z@ \@hline \else \@sline\fi
    \fi
  \fi}
\EndIncludeInRelease
\IncludeInRelease{2020/10/01}%
                 {\vector}{default units}%
\expandafter\let\csname vector \endcsname\@undefind
\def\vector(#1,#2)#3{\@xarg #1\relax \@yarg #2\relax
  \@tempcnta \ifnum\@xarg<\z@ -\@xarg\else\@xarg\fi
  \ifnum\@tempcnta<5\relax
  \@defaultunitsset\@linelen{#3}\unitlength
  \ifdim\@linelen<\z@\@badlinearg\else
    \ifnum\@xarg =\z@ \@vvector
      \else \ifnum\@yarg =\z@ \@hvector \else \@svector\fi
    \fi
  \fi
  \else\@badlinearg\fi}
\EndIncludeInRelease
\IncludeInRelease{0000/00/00}%
                 {\vector}{default units}%
\expandafter\let\csname vector \endcsname\@undefind
\def\vector(#1,#2)#3{\@xarg #1\relax \@yarg #2\relax
  \@tempcnta \ifnum\@xarg<\z@ -\@xarg\else\@xarg\fi
  \ifnum\@tempcnta<5\relax
  \@linelen #3\unitlength
  \ifdim\@linelen<\z@\@badlinearg\else
    \ifnum\@xarg =\z@ \@vvector
      \else \ifnum\@yarg =\z@ \@hvector \else \@svector\fi
    \fi
  \fi
  \else\@badlinearg\fi}
\EndIncludeInRelease
\IncludeInRelease{2020/10/01}%
                 {\dashbox}{default units}%
\expandafter\let\csname dashbox \endcsname\@undefind
\def\dashbox#1(#2,#3){\leavevmode\hb@xt@\z@{\baselineskip \z@skip
\lineskip \z@skip
\@defaultunitsset\@dashdim{#2}\unitlength
\@dashcnt \@dashdim \advance\@dashcnt 200
\@defaultunitsset\@dashdim{#1}\unitlength
\divide\@dashcnt \@dashdim
\ifodd\@dashcnt\@dashdim \z@
\advance\@dashcnt \@ne \divide\@dashcnt \tw@
\else \divide\@dashdim \tw@ \divide\@dashcnt \tw@
\advance\@dashcnt \m@ne
\setbox\@dashbox \hbox{\vrule \@height \@halfwidth \@depth \@halfwidth
\@width \@dashdim}\put(0,0){\copy\@dashbox}%
\put(0,#3){\copy\@dashbox}%
\put(#2,0){\hskip-\@dashdim\copy\@dashbox}%
\put(#2,#3){\hskip-\@dashdim\box\@dashbox}%
\multiply\@dashdim \thr@@
\fi
\setbox\@dashbox \hbox{%
  \@defaultunitsset\@tempdimc{#1}\unitlength
  \vrule \@height \@halfwidth \@depth \@halfwidth \@width \@tempdimc
  \hskip\@tempdimc}%
\@tempcnta\z@
\put(0,0){\hskip\@dashdim \@whilenum \@tempcnta <\@dashcnt
\do{\copy\@dashbox\advance\@tempcnta \@ne }}\@tempcnta\z@
\put(0,#3){\hskip\@dashdim \@whilenum \@tempcnta <\@dashcnt
\do{\copy\@dashbox\advance\@tempcnta \@ne }}%
\@defaultunitsset\@dashdim{#3}\unitlength
\@dashcnt \@dashdim \advance\@dashcnt 200
\@defaultunitsset\@dashdim{#1}\unitlength
\divide\@dashcnt \@dashdim
\ifodd\@dashcnt \@dashdim \z@
\advance\@dashcnt \@ne \divide\@dashcnt \tw@
\else
\divide\@dashdim \tw@ \divide\@dashcnt \tw@
\advance\@dashcnt \m@ne
\setbox\@dashbox\hbox{\hskip -\@halfwidth
\vrule \@width \@wholewidth
\@height \@dashdim}\put(0,0){\copy\@dashbox}%
\put(#2,0){\copy\@dashbox}%
\put(0,#3){\lower\@dashdim\copy\@dashbox}%
\put(#2,#3){\lower\@dashdim\copy\@dashbox}%
\multiply\@dashdim \thr@@
\fi
\@defaultunitsset\@tempdimb{#1}\unitlength
\setbox\@dashbox\hbox{%
  \vrule \@width \@wholewidth \@height\@tempdimb}%
\@tempcnta\z@
\put(0,0){\hskip -\@halfwidth \vbox{\@whilenum \@tempcnta <\@dashcnt
\do{\vskip\@tempdimb\copy\@dashbox\advance\@tempcnta \@ne }%
\vskip\@dashdim}}\@tempcnta\z@
\put(#2,0){\hskip -\@halfwidth \vbox{\@whilenum \@tempcnta<\@dashcnt
\do{\vskip\@tempdimb\copy\@dashbox\advance\@tempcnta \@ne }%
\vskip\@dashdim}}}\@makepicbox(#2,#3)}
\EndIncludeInRelease
\IncludeInRelease{0000/00/00}%
                 {\dashbox}{default units}%
\expandafter\let\csname dashbox \endcsname\@undefind
\def\dashbox#1(#2,#3){%
\leavevmode\hb@xt@\z@{\baselineskip \z@skip
\lineskip \z@skip
\@dashdim #2\unitlength
\@dashcnt \@dashdim \advance\@dashcnt 200
\@dashdim #1\unitlength\divide\@dashcnt \@dashdim
\ifodd\@dashcnt\@dashdim \z@
\advance\@dashcnt \@ne \divide\@dashcnt \tw@
\else \divide\@dashdim \tw@ \divide\@dashcnt \tw@
\advance\@dashcnt \m@ne
\setbox\@dashbox \hbox{%
  \vrule \@height \@halfwidth \@depth \@halfwidth
  \@width \@dashdim}\put(0,0){\copy\@dashbox}%
\put(0,#3){\copy\@dashbox}%
\put(#2,0){\hskip-\@dashdim\copy\@dashbox}%
\put(#2,#3){\hskip-\@dashdim\box\@dashbox}%
\multiply\@dashdim \thr@@
\fi
\setbox\@dashbox \hbox{%
  \vrule \@height \@halfwidth \@depth \@halfwidth
  \@width #1\unitlength\hskip #1\unitlength}\@tempcnta\z@
\put(0,0){\hskip\@dashdim \@whilenum \@tempcnta <\@dashcnt
\do{\copy\@dashbox\advance\@tempcnta \@ne }}\@tempcnta\z@
\put(0,#3){\hskip\@dashdim \@whilenum \@tempcnta <\@dashcnt
\do{\copy\@dashbox\advance\@tempcnta \@ne }}%
\@dashdim #3\unitlength
\@dashcnt \@dashdim \advance\@dashcnt 200
\@dashdim #1\unitlength\divide\@dashcnt \@dashdim
\ifodd\@dashcnt \@dashdim \z@
\advance\@dashcnt \@ne \divide\@dashcnt \tw@
\else
\divide\@dashdim \tw@ \divide\@dashcnt \tw@
\advance\@dashcnt \m@ne
\setbox\@dashbox\hbox{\hskip -\@halfwidth
\vrule \@width \@wholewidth
\@height \@dashdim}\put(0,0){\copy\@dashbox}%
\put(#2,0){\copy\@dashbox}%
\put(0,#3){\lower\@dashdim\copy\@dashbox}%
\put(#2,#3){\lower\@dashdim\copy\@dashbox}%
\multiply\@dashdim \thr@@
\fi
\setbox\@dashbox\hbox{\vrule \@width \@wholewidth
\@height #1\unitlength}\@tempcnta\z@
\put(0,0){%
  \hskip -\@halfwidth \vbox{\@whilenum \@tempcnta <\@dashcnt
  \do{\vskip #1\unitlength\copy\@dashbox
      \advance\@tempcnta\@ne }%
  \vskip\@dashdim}}\@tempcnta\z@
\put(#2,0){%
  \hskip -\@halfwidth \vbox{\@whilenum \@tempcnta<\@dashcnt
  \do{\vskip #1\unitlength\copy\@dashbox
      \advance\@tempcnta \@ne }%
  \vskip\@dashdim}}}\@makepicbox(#2,#3)}
\EndIncludeInRelease
\IncludeInRelease{2016/03/31}%
                 {\@ovhlinetrue}%
                 {Avoid almost zero length leaders}%
\newif\if@ovvline \@ovvlinetrue
\newif\if@ovhline \@ovhlinetrue
\EndIncludeInRelease
\IncludeInRelease{0000/00/00}%
                 {\@ovhlinetrue}%
                 {Avoid almost zero length leaders}%
\let\if@ovvline\@undefined
\let\if@ovhline\@undefined
\EndIncludeInRelease
\IncludeInRelease{2020/10/01}%
                 {\@oval}{default units}%
\def\@oval(#1,#2)[#3]{\begingroup\boxmaxdepth \maxdimen
  \@ovttrue \@ovbtrue \@ovltrue \@ovrtrue
  \@ovvlinefalse \@ovhlinefalse
  \@tfor\reserved@a :=#3\do{%
    \csname @ov\reserved@a false\endcsname}%
  \@defaultunitsset\@ovxx{#1}\unitlength
  \@defaultunitsset\@ovyy{#2}\unitlength
  \@tempdimb \ifdim \@ovyy >\@ovxx \@ovxx \@ovvlinetrue
  \else \@ovyy \ifdim \@ovyy =\@ovxx \else \@ovhlinetrue \fi\fi
  \advance \@tempdimb -2\p@
  \@getcirc \@tempdimb
  \@ovro \ht\@tempboxa \@ovri \dp\@tempboxa
  \@ovdx\@ovxx \advance\@ovdx -\@tempdima \divide\@ovdx \tw@
  \@ovdy\@ovyy \advance\@ovdy -\@tempdima \divide\@ovdy \tw@
  \ifdim \@ovdx >\z@ \@ovhlinetrue \fi
  \ifdim \@ovdy >\z@ \@ovvlinetrue \fi
  \@circlefnt \setbox\@tempboxa
  \hbox{\if@ovr \@ovvert32\kern -\@tempdima \fi
  \if@ovl \kern \@ovxx \@ovvert01\kern -\@tempdima \kern -\@ovxx \fi
  \if@ovt \@ovhorz \kern -\@ovxx \fi
  \if@ovb \raise \@ovyy \@ovhorz \fi}\advance\@ovdx\@ovro
  \advance\@ovdy\@ovro \ht\@tempboxa\z@ \dp\@tempboxa\z@
  \@put{-\@ovdx}{-\@ovdy}{\box\@tempboxa}%
  \endgroup}
\EndIncludeInRelease
\IncludeInRelease{2016/03/31}%
                 {\@oval}{default units}%
\def\@oval(#1,#2)[#3]{\begingroup\boxmaxdepth \maxdimen
  \@ovttrue \@ovbtrue \@ovltrue \@ovrtrue
  \@ovvlinefalse \@ovhlinefalse
  \@tfor\reserved@a :=#3\do{%
    \csname @ov\reserved@a false\endcsname}%
  \@ovxx #1\unitlength
  \@ovyy #2\unitlength
  \@tempdimb \ifdim \@ovyy >\@ovxx \@ovxx \@ovvlinetrue
  \else \@ovyy \ifdim \@ovyy =\@ovxx \else \@ovhlinetrue
   \fi\fi
  \advance \@tempdimb -2\p@
  \@getcirc \@tempdimb
  \@ovro \ht\@tempboxa \@ovri \dp\@tempboxa
  \@ovdx\@ovxx \advance\@ovdx -\@tempdima \divide\@ovdx \tw@
  \@ovdy\@ovyy \advance\@ovdy -\@tempdima \divide\@ovdy \tw@
  \ifdim \@ovdx >\z@ \@ovhlinetrue \fi
  \ifdim \@ovdy >\z@ \@ovvlinetrue \fi
  \@circlefnt \setbox\@tempboxa
  \hbox{\if@ovr \@ovvert32\kern -\@tempdima \fi
  \if@ovl
   \kern \@ovxx \@ovvert01\kern -\@tempdima \kern -\@ovxx
  \fi
  \if@ovt \@ovhorz \kern -\@ovxx \fi
  \if@ovb \raise \@ovyy \@ovhorz \fi}\advance\@ovdx\@ovro
  \advance\@ovdy\@ovro \ht\@tempboxa\z@ \dp\@tempboxa\z@
  \@put{-\@ovdx}{-\@ovdy}{\box\@tempboxa}%
  \endgroup}
\EndIncludeInRelease
\IncludeInRelease{0000/00/00}%
                 {\@oval}{default units}%
\def\@oval(#1,#2)[#3]{\begingroup\boxmaxdepth \maxdimen
  \@ovttrue \@ovbtrue \@ovltrue \@ovrtrue
  \@tfor\reserved@a :=#3\do
                {\csname @ov\reserved@a false\endcsname}%
  \@ovxx #1\unitlength
  \@ovyy #2\unitlength
  \@tempdimb \ifdim \@ovyy >\@ovxx \@ovxx\else \@ovyy \fi
  \advance \@tempdimb -2\p@
  \@getcirc \@tempdimb
  \@ovro \ht\@tempboxa \@ovri \dp\@tempboxa
  \@ovdx\@ovxx \advance\@ovdx -\@tempdima \divide\@ovdx \tw@
  \@ovdy\@ovyy \advance\@ovdy -\@tempdima \divide\@ovdy \tw@
  \@circlefnt \setbox\@tempboxa
  \hbox{\if@ovr \@ovvert32\kern -\@tempdima \fi
  \if@ovl
   \kern \@ovxx \@ovvert01\kern -\@tempdima \kern -\@ovxx
  \fi
  \if@ovt \@ovhorz \kern -\@ovxx \fi
  \if@ovb \raise \@ovyy \@ovhorz \fi}\advance\@ovdx\@ovro
  \advance\@ovdy\@ovro \ht\@tempboxa\z@ \dp\@tempboxa\z@
  \@put{-\@ovdx}{-\@ovdy}{\box\@tempboxa}%
  \endgroup}
\EndIncludeInRelease
\IncludeInRelease{2016/03/31}%
                 {\@ovvert}{Avoid almost zero length leaders}%
\def\@ovvert#1#2{\vbox to\@ovyy{%
    \if@ovb \@tempcntb \@tempcnta \advance \@tempcntb #1\relax
      \kern -\@ovro \hbox{\char \@tempcntb}\nointerlineskip
    \else \kern \@ovri \kern \@ovdy \fi
    \if@ovvline \leaders\vrule \@width \@wholewidth \fi
    \vfil \nointerlineskip
    \if@ovt \@tempcntb \@tempcnta \advance \@tempcntb #2\relax
      \hbox{\char \@tempcntb}%
    \else \kern \@ovdy \kern \@ovro \fi}}
\EndIncludeInRelease
\IncludeInRelease{0000/00/00}%
                 {\@ovvert}{Avoid almost zero length leaders}%
\def\@ovvert#1#2{\vbox to\@ovyy{%
    \if@ovb \@tempcntb \@tempcnta \advance \@tempcntb #1\relax
      \kern -\@ovro \hbox{\char \@tempcntb}\nointerlineskip
    \else \kern \@ovri \kern \@ovdy \fi
    \leaders\vrule \@width \@wholewidth\vfil \nointerlineskip
    \if@ovt \@tempcntb \@tempcnta \advance \@tempcntb #2\relax
      \hbox{\char \@tempcntb}%
    \else \kern \@ovdy \kern \@ovro \fi}}
\EndIncludeInRelease
\IncludeInRelease{2016/03/31}%
                 {\@ovhorz}{Avoid almost zero length leaders}%
\def\@ovhorz{\hb@xt@\@ovxx{\kern \@ovro
    \if@ovr \else \kern \@ovdx \fi
    \if@ovhline \leaders \hrule \@height \@wholewidth \fi
    \hfil
    \if@ovl \else \kern \@ovdx \fi
    \kern \@ovri}}
\EndIncludeInRelease
\IncludeInRelease{0000/00/00}%
                 {\@ovhorz}{Avoid almost zero length leaders}%
\def\@ovhorz{\hb@xt@\@ovxx{\kern \@ovro
    \if@ovr \else \kern \@ovdx \fi
    \leaders \hrule \@height \@wholewidth \hfil
    \if@ovl \else \kern \@ovdx \fi
    \kern \@ovri}}
\EndIncludeInRelease
\IncludeInRelease{2020/10/01}%
                 {\@circle}{default units}%
\def\@circle#1{%
  \begingroup \boxmaxdepth \maxdimen
   \@defaultunitsset\@tempdimb{#1}\unitlength
   \ifdim \@tempdimb >15.5\p@ \@getcirc\@tempdimb
      \@ovro\ht\@tempboxa
     \setbox\@tempboxa\hbox{\@circlefnt
      \advance\@tempcnta\tw@ \char \@tempcnta
      \advance\@tempcnta\m@ne \char \@tempcnta \kern -2\@tempdima
      \advance\@tempcnta\tw@
      \raise \@tempdima \hbox{\char\@tempcnta}\raise \@tempdima
        \box\@tempboxa}\ht\@tempboxa\z@ \dp\@tempboxa\z@
      \@put{-\@ovro}{-\@ovro}{\box\@tempboxa}%
   \else  \@circ\@tempdimb{96}\fi\endgroup}
\EndIncludeInRelease
\IncludeInRelease{0000/00/00}%
                 {\@circle}{default units}%
\def\@circle#1{%
  \begingroup \boxmaxdepth \maxdimen \@tempdimb #1\unitlength
   \ifdim \@tempdimb >15.5\p@ \@getcirc\@tempdimb
      \@ovro\ht\@tempboxa
     \setbox\@tempboxa\hbox{\@circlefnt
      \advance\@tempcnta\tw@ \char \@tempcnta
      \advance\@tempcnta\m@ne \char \@tempcnta
      \kern -2\@tempdima
      \advance\@tempcnta\tw@
      \raise \@tempdima \hbox{\char\@tempcnta}%
      \raise \@tempdima
        \box\@tempboxa}\ht\@tempboxa\z@ \dp\@tempboxa\z@
      \@put{-\@ovro}{-\@ovro}{\box\@tempboxa}%
   \else  \@circ\@tempdimb{96}\fi\endgroup}
\EndIncludeInRelease
\IncludeInRelease{2020/10/01}%
                 {\@dot}{default units}%
\def\@dot#1{%
  \@defaultunitsset\@tempdimb{#1}\unitlength
  \@circ\@tempdimb{112}}
\EndIncludeInRelease
\IncludeInRelease{0000/00/00}%
                 {\@dot}{default units}%
\def\@dot#1{\@tempdimb #1\unitlength \@circ\@tempdimb{112}}
\EndIncludeInRelease
\IncludeInRelease{2020/10/01}%
                 {\@bezier}{default units}%
\def\@bezier#1(#2,#3)(#4,#5)(#6,#7){%
  \ifnum #1=\z@
      \@defaultunitsset\@ovxx{#4}\unitlength
        \@defaultunitsset{\advance\@ovxx}{-#2}\unitlength
        \ifdim \@ovxx<\z@ \@ovxx -\@ovxx \fi
      \@defaultunitsset\@ovdx{#6}\unitlength
        \@defaultunitsset{\advance\@ovdx}{-#4}\unitlength
        \ifdim \@ovdx<\z@ \@ovdx -\@ovdx \fi
        \ifdim \@ovxx<\@ovdx \@ovxx \@ovdx \fi
      \@defaultunitsset\@ovyy{#5}\unitlength
        \@defaultunitsset{\advance\@ovyy}{-#3}\unitlength
        \ifdim \@ovyy<\z@ \@ovyy -\@ovyy \fi
      \@defaultunitsset\@ovdy{#7}\unitlength
        \@defaultunitsset{\advance\@ovdy}{-#5}\unitlength
        \ifdim \@ovdy<\z@  \@ovdy -\@ovdy \fi
        \ifdim \@ovyy<\@ovdy \@ovyy  \@ovdy \fi
      \@multicnt
         \ifdim \@ovxx>\@ovyy \@ovxx \else \@ovyy \fi
      \@ovxx .5\@halfwidth \divide\@multicnt\@ovxx
      \ifnum \qbeziermax<\@multicnt
        \@multicnt\qbeziermax\relax
      \fi
  \else \@multicnt#1\relax \fi
  \@tempcnta\@multicnt \advance\@tempcnta\@ne
  \@defaultunitsset\@ovdx{#4}\unitlength
  \@defaultunitsset{\advance\@ovdx}{-#2}\unitlength
      \multiply\@ovdx \tw@
  \@defaultunitsset\@ovxx{#6}\unitlength
  \@defaultunitsset{\advance\@ovxx}{-#2}\unitlength
      \advance\@ovxx -\@ovdx \divide\@ovxx\@multicnt
  \@defaultunitsset\@ovdy{#5}\unitlength
  \@defaultunitsset{\advance\@ovdy}{-#3}\unitlength
       \multiply\@ovdy \tw@
  \@defaultunitsset\@ovyy{#7}\unitlength
  \@defaultunitsset{\advance\@ovyy}{-#3}\unitlength
      \advance\@ovyy -\@ovdy \divide\@ovyy\@multicnt
  \setbox\@tempboxa\hbox{%
            \hskip -\@halfwidth
            \vrule \@height\@halfwidth
                   \@depth \@halfwidth
                   \@width \@wholewidth}%
   \put(#2,#3){%
     \count@\z@
     \@whilenum{\count@<\@tempcnta}\do
        {\@xdim\count@\@ovxx
           \advance\@xdim\@ovdx
           \divide\@xdim\@multicnt
           \multiply\@xdim\count@
         \@ydim\count@\@ovyy
            \advance\@ydim\@ovdy
            \divide\@ydim\@multicnt
            \multiply\@ydim\count@
         \raise \@ydim
            \hb@xt@\z@{\kern\@xdim
                        \unhcopy\@tempboxa\hss}%
         \advance\count@\@ne}}}
\EndIncludeInRelease
\IncludeInRelease{0000/00/00}%
                 {\@bezier}{default units}%
\def\@bezier#1(#2,#3)(#4,#5)(#6,#7){%
  \ifnum #1=\z@
      \@ovxx #4\unitlength
        \advance\@ovxx -#2\unitlength
        \ifdim \@ovxx<\z@ \@ovxx -\@ovxx \fi
      \@ovdx #6\unitlength
        \advance\@ovdx -#4\unitlength
        \ifdim \@ovdx<\z@ \@ovdx -\@ovdx \fi
        \ifdim \@ovxx<\@ovdx \@ovxx \@ovdx \fi
      \@ovyy #5\unitlength
        \advance\@ovyy -#3\unitlength
        \ifdim \@ovyy<\z@ \@ovyy -\@ovyy \fi
      \@ovdy #7\unitlength
        \advance\@ovdy -#5\unitlength
        \ifdim \@ovdy<\z@  \@ovdy -\@ovdy \fi
        \ifdim \@ovyy<\@ovdy \@ovyy  \@ovdy \fi
      \@multicnt
         \ifdim \@ovxx>\@ovyy \@ovxx \else \@ovyy \fi
      \@ovxx .5\@halfwidth \divide\@multicnt\@ovxx
      \ifnum
        \qbeziermax<\@multicnt \@multicnt\qbeziermax\relax
      \fi
  \else \@multicnt#1\relax \fi
  \@tempcnta\@multicnt \advance\@tempcnta\@ne
  \@ovdx #4\unitlength \advance\@ovdx -#2\unitlength
      \multiply\@ovdx \tw@
  \@ovxx #6\unitlength \advance\@ovxx -#2\unitlength
      \advance\@ovxx -\@ovdx \divide\@ovxx\@multicnt
  \@ovdy #5\unitlength \advance\@ovdy -#3\unitlength
       \multiply\@ovdy \tw@
  \@ovyy #7\unitlength \advance\@ovyy -#3\unitlength
      \advance\@ovyy -\@ovdy \divide\@ovyy\@multicnt
  \setbox\@tempboxa\hbox{%
            \hskip -\@halfwidth
            \vrule \@height\@halfwidth
                   \@depth \@halfwidth
                   \@width \@wholewidth}%
   \put(#2,#3){%
     \count@\z@
     \@whilenum{\count@<\@tempcnta}\do
        {\@xdim\count@\@ovxx
           \advance\@xdim\@ovdx
           \divide\@xdim\@multicnt
           \multiply\@xdim\count@
         \@ydim\count@\@ovyy
            \advance\@ydim\@ovdy
            \divide\@ydim\@multicnt
            \multiply\@ydim\count@
         \raise \@ydim
            \hb@xt@\z@{\kern\@xdim
                        \unhcopy\@tempboxa\hss}%
         \advance\count@\@ne}}}
\EndIncludeInRelease
\IncludeInRelease{2019/10/01}%
                 {\bezier}{Make commands robust}%
\MakeRobust\bezier
\MakeRobust\circle
\MakeRobust\dashbox
\MakeRobust\line
\MakeRobust\linethickness
\MakeRobust\multiput
\MakeRobust\oval
\MakeRobust\put
\MakeRobust\qbezier
\MakeRobust\shortstack
\MakeRobust\thinlines
\MakeRobust\vector
\EndIncludeInRelease
\IncludeInRelease{0000/00/00}%
                 {\bezier}{Make commands robust}%

\kernel@make@fragile\bezier
\kernel@make@fragile\circle
\kernel@make@fragile\dashbox
\kernel@make@fragile\line
\kernel@make@fragile\linethickness
\kernel@make@fragile\multiput
\kernel@make@fragile\oval
\kernel@make@fragile\put
\kernel@make@fragile\qbezier
\kernel@make@fragile\shortstack
\kernel@make@fragile\thinlines
\kernel@make@fragile\vector

\EndIncludeInRelease
%%% From File: ltthm.dtx
%%% From File: ltsect.dtx
\IncludeInRelease{2019/10/01}%
                 {\title}{Make commands robust}%
\DeclareRobustCommand\title[1]{\gdef\@title{#1}}
\DeclareRobustCommand*\author[1]{\gdef\@author{#1}}
\DeclareRobustCommand*\date[1]{\gdef\@date{#1}}
\DeclareRobustCommand\thanks[1]{\footnotemark
    \protected@xdef\@thanks{\@thanks
        \protect\footnotetext[\the\c@footnote]{#1}}%
}
\DeclareRobustCommand\and{%   % \begin{tabular}
  \end{tabular}%
  \hskip 1em \@plus.17fil%
  \begin{tabular}[t]{c}}%     % \end{tabular}
\EndIncludeInRelease
\IncludeInRelease{0000/00/00}%
                 {\title}{Make commands robust}%

\kernel@make@fragile\title
\kernel@make@fragile\author
\kernel@make@fragile\date
\kernel@make@fragile\thanks
\kernel@make@fragile\and

\EndIncludeInRelease
\IncludeInRelease{2020/10/01}%
                 {\addcontentsline}{fourth argument}%
\def\addcontentsline#1#2#3{%
  \addtocontents{#1}{\protect\contentsline{#2}{#3}{\thepage}{}%
                     \protected@file@percent}}
\EndIncludeInRelease
\IncludeInRelease{2018/12/01}%
                 {\addcontentsline}{Mask line endings}%
 \def\addcontentsline#1#2#3{%
  \addtocontents{#1}{\protect\contentsline{#2}{#3}{\thepage}%
            \protected@file@percent}}
\EndIncludeInRelease
\IncludeInRelease{0000/00/00}%
                 {\addcontentsline}{Mask line endings}%
\def\addcontentsline#1#2#3{%
  \addtocontents{#1}{\protect\contentsline{#2}{#3}{\thepage}}}
\EndIncludeInRelease
\IncludeInRelease{2018/12/01}%
                 {\@dottedtocline}{Prevent protrusion}%
\def\@dottedtocline#1#2#3#4#5{%
  \ifnum #1>\c@tocdepth \else
    \vskip \z@ \@plus.2\p@
    {\leftskip #2\relax \rightskip \@tocrmarg \parfillskip -\rightskip
     \parindent #2\relax\@afterindenttrue
     \interlinepenalty\@M
     \leavevmode
     \@tempdima #3\relax
     \advance\leftskip \@tempdima \null\nobreak\hskip -\leftskip
     {#4}\nobreak
     \leaders\hbox{$\m@th
        \mkern \@dotsep mu\hbox{.}\mkern \@dotsep
        mu$}\hfill
     \nobreak
     \hb@xt@\@pnumwidth{\hfil\normalfont \normalcolor #5%
                        \kern-\p@\kern\p@}%
     \par}%
  \fi}

\DeclareRobustCommand\noprotrusion{\leavevmode\kern-\p@\kern\p@}
\EndIncludeInRelease
\IncludeInRelease{0000/00/00}%
                 {\@dottedtocline}{Prevent protrusion}%
\def\@dottedtocline#1#2#3#4#5{%
  \ifnum #1>\c@tocdepth \else
    \vskip \z@ \@plus.2\p@
    {\leftskip #2\relax \rightskip \@tocrmarg \parfillskip -\rightskip
     \parindent #2\relax\@afterindenttrue
     \interlinepenalty\@M
     \leavevmode
     \@tempdima #3\relax
     \advance\leftskip \@tempdima \null\nobreak\hskip -\leftskip
     {#4}\nobreak
     \leaders\hbox{$\m@th
        \mkern \@dotsep mu\hbox{.}\mkern \@dotsep
        mu$}\hfill
     \nobreak
     \hb@xt@\@pnumwidth{\hfil\normalfont \normalcolor #5}%
     \par}%
  \fi}

\let\noprotrusion\@undefined
\EndIncludeInRelease
%%% From File: ltfiles.dtx
\IncludeInRelease{2020/10/01}%
  {\document}{Added hook to load l3backend code}%
\def\document{%
  \UseOneTimeHook{begindocument/before}%
  \@kernel@after@begindocument@before
  \@expl@sys@load@backend@@
  \ifx\@unusedoptionlist\@empty\else
    \@latex@warning@no@line{Unused global option(s):^^J%
            \@spaces[\@unusedoptionlist]}%
  \fi
  \@colht\textheight
  \@colroom\textheight \vsize\textheight
  \columnwidth\textwidth
  \@clubpenalty\clubpenalty
  \if@twocolumn
    \advance\columnwidth -\columnsep
    \divide\columnwidth\tw@ \hsize\columnwidth \@firstcolumntrue
  \fi
  \hsize\columnwidth \linewidth\hsize
  \begingroup\@floatplacement\@dblfloatplacement
    \makeatletter\let\@writefile\@gobbletwo
    \global \let \@multiplelabels \relax
    \@input{\jobname.aux}%
  \endgroup
  \if@filesw
    \immediate\openout\@mainaux\jobname.aux
    \immediate\write\@mainaux{\relax}%
  \fi
  \process@table
  \let\glb@currsize\@empty  % Force math initialization.
  \normalsize
  \everypar{}%
  \ifx\normalsfcodes\@empty
    \ifnum\sfcode`\.=\@m
      \let\normalsfcodes\frenchspacing
    \else
      \let\normalsfcodes\nonfrenchspacing
    \fi
  \fi
  \ifx\document@default@language\m@ne
    \chardef\document@default@language\language
  \fi
  \@noskipsecfalse
  \let \@refundefined \relax
  \@kernel@before@begindocument
  \UseOneTimeHook{begindocument}%
  \@kernel@after@begindocument
  \ifdim\topskip<1sp\global\topskip 1sp\relax\fi
  \global\@maxdepth\maxdepth
  \global\let\@begindocumenthook\@undefined
  \ifx\@listfiles\@undefined
    \global\let\@filelist\relax
    \global\let\@addtofilelist\@gobble
  \fi
  \gdef\do##1{\global\let ##1\@notprerr}%
  \@preamblecmds
  \global\let \@nodocument \relax
  \global\let\do\noexpand
  \UseOneTimeHook{begindocument/end}%
  \ignorespaces}
\NewHook{begindocument}
\NewHook{begindocument/before}
\NewHook{begindocument/end}

\edef \@kernel@after@begindocument@before {%
  \let\expandafter\noexpand\csname
       __hook env/document/begin\endcsname
  \noexpand\@empty}
\let \@kernel@before@begindocument \@empty
\let \@kernel@after@begindocument \@empty

\EndIncludeInRelease
\IncludeInRelease{2017/04/15}%
  {\document}{Save language for hyphenation}%

\def\document{\endgroup
  \ifx\@unusedoptionlist\@empty\else
    \@latex@warning@no@line{Unused global option(s):^^J%
            \@spaces[\@unusedoptionlist]}%
  \fi
  \@colht\textheight
  \@colroom\textheight \vsize\textheight
  \columnwidth\textwidth
  \@clubpenalty\clubpenalty
  \if@twocolumn
    \advance\columnwidth -\columnsep
    \divide\columnwidth\tw@ \hsize\columnwidth \@firstcolumntrue
  \fi
  \hsize\columnwidth \linewidth\hsize
  \begingroup\@floatplacement\@dblfloatplacement
    \makeatletter\let\@writefile\@gobbletwo
    \global \let \@multiplelabels \relax
    \@input{\jobname.aux}%
  \endgroup
  \if@filesw
    \immediate\openout\@mainaux\jobname.aux
    \immediate\write\@mainaux{\relax}%
  \fi
  \process@table
  \let\glb@currsize\@empty  % Force math initialization.
  \normalsize
  \everypar{}%
  \ifx\normalsfcodes\@empty
    \ifnum\sfcode`\.=\@m
      \let\normalsfcodes\frenchspacing
    \else
      \let\normalsfcodes\nonfrenchspacing
    \fi
  \fi
  \ifx\document@default@language\m@ne
    \chardef\document@default@language\language
  \fi
  \@noskipsecfalse
  \let \@refundefined \relax
  \let\AtBeginDocument\@firstofone
  \@begindocumenthook
  \ifdim\topskip<1sp\global\topskip 1sp\relax\fi
  \global\@maxdepth\maxdepth
  \global\let\@begindocumenthook\@undefined
  \ifx\@listfiles\@undefined
    \global\let\@filelist\relax
    \global\let\@addtofilelist\@gobble
  \fi
  \gdef\do##1{\global\let ##1\@notprerr}%
  \@preamblecmds
  \global\let \@nodocument \relax
  \global\let\do\noexpand
  \ignorespaces}
\EndIncludeInRelease

\IncludeInRelease{0000/00/00}%
  {\document}{Save language for hyphenation}
\def\document{\endgroup
  \ifx\@unusedoptionlist\@empty\else
    \@latex@warning@no@line{Unused global option(s):^^J%
            \@spaces[\@unusedoptionlist]}%
  \fi
  \@colht\textheight
  \@colroom\textheight \vsize\textheight
  \columnwidth\textwidth
  \@clubpenalty\clubpenalty
  \if@twocolumn
    \advance\columnwidth -\columnsep
    \divide\columnwidth\tw@ \hsize\columnwidth
    \@firstcolumntrue
  \fi
  \hsize\columnwidth \linewidth\hsize
  \begingroup\@floatplacement\@dblfloatplacement
    \makeatletter\let\@writefile\@gobbletwo
    \global \let \@multiplelabels \relax
    \@input{\jobname.aux}%
  \endgroup
  \if@filesw
    \immediate\openout\@mainaux\jobname.aux
    \immediate\write\@mainaux{\relax}%
  \fi
  \process@table
  \let\glb@currsize\@empty
  \normalsize
  \everypar{}%
  \ifx\normalsfcodes\@empty
    \ifnum\sfcode`\.=\@m
      \let\normalsfcodes\frenchspacing
    \else
      \let\normalsfcodes\nonfrenchspacing
    \fi
  \fi
  \@noskipsecfalse
  \let \@refundefined \relax
  \let\AtBeginDocument\@firstofone
  \@begindocumenthook
  \ifdim\topskip<1sp\global\topskip 1sp\relax\fi
  \global\@maxdepth\maxdepth
  \global\let\@begindocumenthook\@undefined
  \ifx\@listfiles\@undefined
    \global\let\@filelist\relax
    \global\let\@addtofilelist\@gobble
  \fi
  \gdef\do##1{\global\let ##1\@notprerr}%
  \@preamblecmds
  \global\let \@nodocument \relax
  \global\let\do\noexpand
  \ignorespaces}
\EndIncludeInRelease
\IncludeInRelease{2020/10/01}%
                 {\includeonly}{Spaces in file names}%
\def\include#1{\relax
  \ifnum\@auxout=\@partaux
    \@latex@error{\string\include\space cannot be nested}\@eha
  \else
    \set@curr@file{#1}%
    \edef\@curr@file{\@strip@tex@ext\@curr@file}%
    \expandafter\@include\expandafter{\@curr@file} % deliberate space
  \fi}
\def\includeonly#1{%
  \@partswtrue
  \let\@partlist\@empty
  \@for\reserved@a:=#1 \do
    {%
      \expandafter\set@curr@file\expandafter{\reserved@a}%
      \ifx\@partlist\@empty
        \edef\@partlist{\@strip@tex@ext\@curr@file}%
      \else
        \edef\@partlist{\@partlist,\@strip@tex@ext\@curr@file}%
      \fi
    }%
  }
\@onlypreamble\includeonly
\def\reserved@a#1{%
\def\@strip@tex@ext##1{%
  \expandafter\@strip@tex@ext@aux
    ##1\@nil\@nil
     #1\@nil\relax\@nnil}
\def\@strip@tex@ext@aux##1#1\@nil##2\@nnil{%
  \ifx\relax##2\@empty
    \expandafter\@cdr\expandafter\@empty\@cdr{}##1%
  \else##1\fi}}%
\expandafter\reserved@a
\expandafter{\detokenize{.tex}}
\EndIncludeInRelease
\IncludeInRelease{2019/10/01}%
                 {\includeonly}{Spaces in file names}%

\def\includeonly#1{%
  \@partswtrue
  \set@curr@file{\zap@space#1 \@empty}%
  \let\@partlist\@curr@file
  }

\def\include#1{\relax
  \ifnum\@auxout=\@partaux
    \@latex@error{\string\include\space cannot be nested}\@eha
  \else
    \set@curr@file{#1 }%
    \expandafter\@include\@curr@file
  \fi}

\let\@strip@tex@ext\@undefined
\let\@strip@tex@ext@aux\@undefined

\EndIncludeInRelease
\IncludeInRelease{0000/00/00}%
                 {\includeonly}{Spaces in file names}%
\def\includeonly#1{%
  \@partswtrue
  \edef\@partlist{\zap@space#1 \@empty}}

\def\include#1{\relax
  \ifnum\@auxout=\@partaux
    \@latex@error{\string\include\space cannot be nested}\@eha
  \else \@include#1 \fi}

\EndIncludeInRelease
\IncludeInRelease{2020/10/01}%
                 {\@include}{Spaces in file names and hooks}%
\def\@include#1 {%
  \clearpage
  \if@filesw
    \immediate\write\@mainaux{\string\@input{#1.aux}}%
  \fi
  \@tempswatrue
  \if@partsw
    \@tempswafalse
    \edef\reserved@b{#1}%
    \@for\reserved@a:=\@partlist\do
      {\ifx\reserved@a\reserved@b\@tempswatrue\fi}%
  \fi
  \if@tempswa
    \let\@auxout\@partaux
    \if@filesw
      \immediate\openout\@partaux "#1.aux"
      \immediate\write\@partaux{\relax}%
    \fi
    \@filehook@set@CurrentFile
    \UseHook{include/before}%
    \UseHook{include/before/#1}%
    \@input@{#1.tex}%
    \UseHook{include/end/#1}%
    \UseHook{include/end}%
    \clearpage
    \UseHook{include/after/#1}%
    \UseHook{include/after}%
    \clearpage
    \@writeckpt{#1}%
    \if@filesw
      \immediate\closeout\@partaux
    \fi
  \else
    \deadcycles\z@
    \@nameuse{cp@#1}%
  \fi
  \let\@auxout\@mainaux}
\EndIncludeInRelease
\IncludeInRelease{0000/00/00}%
                 {\@include}{Spaces in file names}%
\def\@include#1 {%
  \clearpage
  \if@filesw
    \immediate\write\@mainaux{\string\@input{#1.aux}}%
  \fi
  \@tempswatrue
  \if@partsw
    \@tempswafalse
    \edef\reserved@b{#1}%
    \@for\reserved@a:=\@partlist\do
      {\ifx\reserved@a\reserved@b\@tempswatrue\fi}%
  \fi
  \if@tempswa
    \let\@auxout\@partaux
    \if@filesw
      \immediate\openout\@partaux #1.aux
      \immediate\write\@partaux{\relax}%
    \fi
    \@input@{#1.tex}%
    \clearpage
    \@writeckpt{#1}%
    \if@filesw
      \immediate\closeout\@partaux
    \fi
  \else
    \deadcycles\z@
    \@nameuse{cp@#1}%
  \fi
  \let\@auxout\@mainaux}

\EndIncludeInRelease
\IncludeInRelease{2019/10/01}%
                 {\quote@name}{Quote file names}%
\def\quote@name#1{"\quote@@name#1\@gobble""}
\def\quote@@name#1"{#1\quote@@name}
\def\unquote@name#1{\quote@@name#1\@gobble"}
\DeclareRobustCommand\IfFileExists[1]{%
  \set@curr@file{#1}%
  \expandafter\IfFileExists@\expandafter{\@curr@file}}
\long\def \IfFileExists@#1#2#3{%
  \openin\@inputcheck"#1" %
  \ifeof\@inputcheck
    \ifx\input@path\@undefined
      \def\reserved@a{#3}%
    \else
      \def\reserved@a{\@iffileonpath{#1}{#2}{#3}}%
    \fi
  \else
    \closein\@inputcheck
    \edef\@filef@und{"#1" }%
    \def\reserved@a{#2}%
  \fi
  \reserved@a}
\long\def\@iffileonpath#1{%
  \let\reserved@a\@secondoftwo
  \expandafter\@tfor\expandafter\reserved@b\expandafter
             :\expandafter=\input@path\do{%
    \openin\@inputcheck\expandafter\quote@name\expandafter{\reserved@b#1} %
    \ifeof\@inputcheck\else
      \edef\@filef@und{\expandafter\quote@name\expandafter{\reserved@b#1} }%
      \let\reserved@a\@firstoftwo%
      \closein\@inputcheck
      \@break@tfor
    \fi}%
  \reserved@a}
\EndIncludeInRelease
\IncludeInRelease{0000/00/00}%
                 {\quote@name}{Quote file names}%

\let\quote@name\@undefined
\let\quote@@name\@undefined
\let\unquote@name\@undefined

\let\IfFileExists@\@undefined

\long\def \IfFileExists#1#2#3{%
  \openin\@inputcheck#1 %
  \ifeof\@inputcheck
    \ifx\input@path\@undefined
      \def\reserved@a{#3}%
    \else
      \def\reserved@a{\@iffileonpath{#1}{#2}{#3}}%
    \fi
  \else
    \closein\@inputcheck
    \edef\@filef@und{#1 }%
    \def\reserved@a{#2}%
  \fi
  \reserved@a}

\long\def\@iffileonpath#1{%
  \let\reserved@a\@secondoftwo
  \expandafter\@tfor\expandafter\reserved@b\expandafter
             :\expandafter=\input@path\do{%
    \openin\@inputcheck\reserved@b#1 %
    \ifeof\@inputcheck\else
      \edef\@filef@und{\reserved@b#1 }%
      \let\reserved@a\@firstoftwo%
      \closein\@inputcheck
      \@break@tfor
    \fi}%
  \reserved@a}

\EndIncludeInRelease
\IncludeInRelease{2019/10/01}%
  {\@swaptwoargs}{Don't lose the file name}%
\long\def\@swaptwoargs#1#2{#2#1}
\EndIncludeInRelease
\IncludeInRelease{0000/00/00}%
  {\@swaptwoargs}{Don't lose the file name}%
\let\@swaptwoargs\@undefined
\EndIncludeInRelease
\IncludeInRelease{2020/10/01}%
                 {\@iinput}{Change in file error handling}%
\def\@iinput#1{%
  \InputIfFileExists{#1}{}%
  {\filename@parse\@curr@file
   \edef\reserved@a{\noexpand\@missingfileerror
     {\filename@area\filename@base}%
     {\ifx\filename@ext\relax tex\else\filename@ext\fi}}%
   \reserved@a
   \edef\reserved@a{\noexpand\@iinput{%
     \@missingfile@area\@missingfile@base.\@missingfile@ext}}%
   \reserved@a}}
\EndIncludeInRelease
\IncludeInRelease{2019/10/01}%
                 {\@iinput}{Quote file names}%

\def\@iinput#1{%
  \InputIfFileExists{#1}{}%
  {\filename@parse\@curr@file
   \edef\reserved@a{\noexpand\@missingfileerror
     {\filename@area\filename@base}%
     {\ifx\filename@ext\relax tex\else\filename@ext\fi}}%
   \reserved@a}}
\EndIncludeInRelease
\IncludeInRelease{0000/00/00}%
                 {\@iinput}{Quote file names}%
\def\@iinput#1{%
  \InputIfFileExists{#1}{}%
  {\filename@parse{#1}%
   \edef\reserved@a{\noexpand\@missingfileerror
     {\filename@area\filename@base}%
     {\ifx\filename@ext\relax tex\else\filename@ext\fi}}%
   \reserved@a}}
\EndIncludeInRelease
\IncludeInRelease{2020/10/01}%
        {\@missingfileerror}{Do not load missing file immediately}%
\gdef\@missingfileerror#1#2{%
     \typeout{^^J! LaTeX Error: File `#1.#2' not found.^^J^^J%
      Type X to quit or <RETURN> to proceed,^^J%
      or enter new name. (Default extension: #2)^^J}%
     \message{Enter file name: }%
      {\endlinechar\m@ne
       \global\read\m@ne to\@gtempa}%
    \ifx\@gtempa\@empty
      \let\@missingfile@area\@empty
      \let\@missingfile@base\@empty
      \def\@missingfile@ext{tex}%
    \else
      \def\reserved@b{\batchmode\read-1 to \reserved@a}%
      \def\reserved@a{x}\ifx\reserved@a\@gtempa\reserved@b\fi
      \def\reserved@a{X}\ifx\reserved@a\@gtempa\reserved@b\fi
      \filename@parse\@gtempa
      \edef\filename@ext{%
        \ifx\filename@ext\relax#2\else\filename@ext\fi}%
     \edef\reserved@a{%
       \noexpand\IfFileExists
         {\filename@area\filename@base.\filename@ext}%
         {\def\noexpand\@missingfile@area{\filename@area}%
          \def\noexpand\@missingfile@base{\filename@base}%
          \def\noexpand\@missingfile@ext {\filename@ext}}%
         {\noexpand\@missingfileerror
            {\filename@area\filename@base}{\filename@ext}}}%
      \reserved@a
    \fi
}
\EndIncludeInRelease
\IncludeInRelease{0000/00/00}%
        {\@missingfileerror}{Do not load missing file immediately}%

\gdef\@missingfileerror#1#2{%
     \typeout{^^J! LaTeX Error: File `#1.#2' not found.^^J^^J%
      Type X to quit or <RETURN> to proceed,^^J%
      or enter new name. (Default extension: #2)^^J}%
     \message{Enter file name: }%
      {\endlinechar\m@ne
       \global\read\m@ne to\@gtempa}%
    \ifx\@gtempa\@empty
    \else
      \def\reserved@a{x}\ifx\reserved@a\@gtempa\batchmode\@@end\fi
      \def\reserved@a{X}\ifx\reserved@a\@gtempa\batchmode\@@end\fi
      \filename@parse\@gtempa
      \edef\filename@ext{%
        \ifx\filename@ext\relax#2\else\filename@ext\fi}%
     \edef\reserved@a{%
       \noexpand\InputIfFileExists
         {\filename@area\filename@base.\filename@ext}%
         {}%
         {\noexpand\@missingfileerror
            {\filename@area\filename@base}{\filename@ext}}}%
      \reserved@a
    \fi}

\EndIncludeInRelease
%%% From File: ltoutenc.dtx
\IncludeInRelease{2017/04/15}{\DeclareTextCompositeCommand}
                             {test for undeclared accent}%
\def\DeclareTextCompositeCommand#1#2#3#4{%
  \expandafter\let\expandafter\reserved@a\csname#2\string#1\endcsname
  \ifx\reserved@a\relax
   \DeclareTextCommand#1{#2}{%
     \@latex@error{\string#1 undeclared in encoding #2}\@eha}%
   \@latex@info{Composite with undeclared \string#1 in encoding #2}%
   \expandafter\let\expandafter\reserved@a\csname#2\string#1\endcsname
  \fi
  \expandafter\expandafter\expandafter\ifx
  \expandafter\@car\reserved@a\relax\relax\@nil \@text@composite \else
      \edef\reserved@b##1{%
         \def\expandafter\noexpand
            \csname#2\string#1\endcsname####1{%
            \noexpand\@text@composite
               \expandafter\noexpand\csname#2\string#1\endcsname
               ####1\noexpand\@empty\noexpand\@text@composite
               {##1}}}%
      \expandafter\reserved@b\expandafter{\reserved@a{##1}}%
   \fi
   \expandafter\def\csname\expandafter\string\csname
      #2\endcsname\string#1-\string#3\@empty\endcsname{#4}%
  }
\EndIncludeInRelease
\IncludeInRelease{0000/00/00}{\DeclareTextCompositeCommand}
                            {test for undeclared accent}%
\def\DeclareTextCompositeCommand#1#2#3#4{%
  \expandafter\let\expandafter\reserved@a
                      \csname#2\string#1\endcsname
  \expandafter\expandafter\expandafter\ifx
  \expandafter\@car\reserved@a\relax\relax\@nil
                               \@text@composite \else
      \edef\reserved@b##1{%
         \def\expandafter\noexpand
           \csname#2\string#1\endcsname####1{%
           \noexpand\@text@composite
             \expandafter\noexpand\csname#2\string#1\endcsname
             ####1\noexpand\@empty\noexpand\@text@composite
             {##1}}}%
      \expandafter\reserved@b\expandafter{\reserved@a{##1}}%
   \fi
   \expandafter\def\csname\expandafter\string\csname
      #2\endcsname\string#1-\string#3\@empty\endcsname{#4}}
\EndIncludeInRelease
\IncludeInRelease{2019/10/01}%
                 {\UseTextAccent}{Make commands robust}%
\DeclareRobustCommand*\UseTextAccent[3]{%
  \hmode@start@before@group
   {%
    \let\hmode@start@before@group\@firstofone
    \let\@curr@enc\cf@encoding
    \@use@text@encoding{#1}%
    #2{\@use@text@encoding\@curr@enc#3}%
   }}
\DeclareRobustCommand*\UseTextSymbol[2]{%
       \hmode@start@before@group
       {%
          \def\@wrong@font@char{\MessageBreak
             for \noexpand\symbol`\string#2'}%
          \@use@text@encoding{#1}%
          #2%
       }%
    }
\EndIncludeInRelease
\IncludeInRelease{0000/00/00}%
                 {\UseTextAccent}{Make commands robust}%

\kernel@make@fragile\UseTextAccent
\kernel@make@fragile\UseTextSymbol

\EndIncludeInRelease
\IncludeInRelease{2015/10/01}{\textcommabelow}{comma accent}%
\DeclareTextCommandDefault\textcommabelow[1]
  {\hmode@bgroup\ooalign{\null#1\crcr\hidewidth\raise-.31ex
   \hbox{\check@mathfonts\fontsize\ssf@size\z@
   \math@fontsfalse\selectfont,}\hidewidth}\egroup}
\EndIncludeInRelease
\IncludeInRelease{0000/00/00}{\textcommabelow}{comma accent}%
\let\textcommabelow\@undefined
\expandafter
  \let\csname\string\T1\string\c-G\endcsname\@undefined
\expandafter
  \let\csname\string\T1\string\c-K\endcsname\@undefined
\expandafter
  \let\csname\string\T1\string\c-k\endcsname\@undefined
\expandafter
  \let\csname\string\T1\string\c-L\endcsname\@undefined
\expandafter
  \let\csname\string\T1\string\c-l\endcsname\@undefined
\expandafter
  \let\csname\string\T1\string\c-N\endcsname\@undefined
\expandafter
  \let\csname\string\T1\string\c-n\endcsname\@undefined
\expandafter
  \let\csname\string\T1\string\c-R\endcsname\@undefined
\expandafter
  \let\csname\string\T1\string\c-r\endcsname\@undefined
\EndIncludeInRelease
\IncludeInRelease{2016/02/01}{\textcommaabove}{comma above}%
\DeclareTextCommandDefault\textcommaabove[1]{%
  \hmode@bgroup
  \ooalign{%
    \hidewidth
    \raise.7ex\hbox{%
      \check@mathfonts\fontsize\ssf@size\z@\math@fontsfalse\selectfont`%
    }%
   \hidewidth\crcr
   \null#1\crcr
  }%
  \egroup
}
\EndIncludeInRelease
\IncludeInRelease{0000/00/00}{\textcommaabove}{comma above}%
\let\textcommaabove\@undefined
\expandafter
  \let\csname\string\OT1\string\c-g\endcsname\@undefined
\expandafter
  \let\csname\string\T1\string\c-g\endcsname\@undefined
\EndIncludeInRelease
%%% From File: ltcounts.dtx

\IncludeInRelease{2015/01/01}{\@stpelt}
                             {Reset nested counters}%
\def\@stpelt#1{\global\csname c@#1\endcsname \m@ne\stepcounter{#1}}%
\EndIncludeInRelease
\IncludeInRelease{0000/00/00}{\@stpelt}
                             {Reset nested counters}%%
\def\@stpelt#1{\global\csname c@#1\endcsname \z@}%
\EndIncludeInRelease
\IncludeInRelease{2018-04-01}
                 {\@removefromreset}{Add interfaces}%
\def\@removefromreset#1#2{%
  \@ifundefined{c@#2}\relax
  {\begingroup
     \expandafter\let\csname c@#1\endcsname\@removefromreset
     \def\@elt##1{%
       \expandafter\ifx\csname c@##1\endcsname\@removefromreset
       \else
         \noexpand\@elt{##1}%
       \fi}%
     \expandafter\xdef\csname cl@#2\endcsname
      {\csname cl@#2\endcsname}%
    \endgroup}}

\def\@ifbothcounters#1#2#3{%
  \@ifundefined{c@#1}{\@nocounterr{#1}}%
    {% else counter is defined
     \@ifundefined{c@#2}{\@nocounterr{#2}}%
       {% else both counter and within  are defined
        #3}}}

\def\counterwithout {\@ifstar\counterwithout@s\counterwithout@x}
\def\counterwithout@s#1#2{%
  \@ifbothcounters{#1}{#2}{\@removefromreset{#1}{#2}}}
\def\counterwithout@x#1#2{%
  \@ifbothcounters{#1}{#2}%
      {\@removefromreset{#1}{#2}%
       \expandafter
       \gdef\csname the#1\expandafter\endcsname\expandafter
            {\expandafter
             \@arabic\csname c@#1\endcsname}}}

\def\counterwithin{\@ifstar\counterwithin@s\counterwithin@x}
\def\counterwithin@s#1#2{%
  \@ifbothcounters{#1}{#2}{\@addtoreset{#1}{#2}}}
\def\counterwithin@x#1#2{%
  \@ifbothcounters{#1}{#2}%
      {\@addtoreset{#1}{#2}%
       \expandafter
       \gdef\csname the#1\expandafter\endcsname\expandafter
            {\csname the#2\expandafter\endcsname\expandafter
             .\expandafter
             \@arabic\csname c@#1\endcsname}}}

\EndIncludeInRelease
\IncludeInRelease{0000-00-00}
                 {\@removefromreset}{Add interfaces}%
\let \@removefromreset \undefined
\let \@ifbothcounters  \undefined
\let \counterwithout   \undefined
\let \counterwithout@s \undefined
\let \counterwithout@x \undefined
\let \counterwithin    \undefined
\let \counterwithin@s  \undefined
\let \counterwithin@x  \undefined
\EndIncludeInRelease
\IncludeInRelease{2015/01/01}{\@fnsymbol}{Use \TexOrMath}%
\def\@fnsymbol#1{%
   \ifcase#1\or \TextOrMath\textasteriskcentered *\or
   \TextOrMath \textdagger \dagger\or
   \TextOrMath \textdaggerdbl \ddagger \or
   \TextOrMath \textsection  \mathsection\or
   \TextOrMath \textparagraph \mathparagraph\or
   \TextOrMath \textbardbl \|\or
   \TextOrMath {\textasteriskcentered\textasteriskcentered}{**}\or
   \TextOrMath {\textdagger\textdagger}{\dagger\dagger}\or
   \TextOrMath {\textdaggerdbl\textdaggerdbl}{\ddagger\ddagger}\else
   \@ctrerr \fi
}%
\EndIncludeInRelease
\IncludeInRelease{0000/00/00}{\@fnsymbol}{Use \TexOrMath}%
\def\@fnsymbol#1{\ensuremath{%
   \ifcase#1\or *\or \dagger\or \ddagger\or \mathsection\or
     \mathparagraph\or \|\or **\or \dagger\dagger
     \or \ddagger\ddagger \else\@ctrerr\fi}}%
\EndIncludeInRelease
\IncludeInRelease{2015/01/01}{\TextOrMath}{\TextOrMath}%
\begingroup\expandafter\expandafter\expandafter\endgroup
\expandafter\ifx\csname protected\endcsname\relax
\DeclareRobustCommand\TextOrMath{%
  \ifmmode  \expandafter\@secondoftwo
  \else     \expandafter\@firstoftwo  \fi}
\protected@edef\TextOrMath#1#2{\TextOrMath{#1}{#2}}
\else
\protected\expandafter\def\csname TextOrMath\space\endcsname{%
  \ifmmode  \expandafter\@secondoftwo
  \else     \expandafter\@firstoftwo  \fi}
\edef\TextOrMath#1#2{%
  \expandafter\noexpand\csname TextOrMath\space\endcsname
  {#1}{#2}}
\fi
\EndIncludeInRelease
\IncludeInRelease{0000/00/00}{\TextOrMath}{\TextOrMath}%
\let\TextOrMath\@undefined
\EndIncludeInRelease
%%% From File: ltlength.dtx
\IncludeInRelease{2015/01/01}%
                 {\setlength}{Using \setlength with \dimen0}%
\def\setlength#1#2{#1 #2\relax}
\EndIncludeInRelease
\IncludeInRelease{0000/00/00}%
                 {\setlength}{Using \setlength with \dimen0}%
\def\setlength#1#2{#1#2\relax}
\EndIncludeInRelease
%%% From File: ltfloat.dtx
\IncludeInRelease{2015/01/01}%
                 {\@xfloat}{Check float options}%
\def\@xfloat #1[#2]{%
  \@nodocument
  \def \@captype {#1}%
   \def \@fps {#2}%
   \@onelevel@sanitize \@fps
   \def \reserved@b {!}%
   \ifx \reserved@b \@fps
     \@fpsadddefault
   \else
     \ifx \@fps \@empty
       \@fpsadddefault
     \fi
   \fi
   \ifhmode
     \@bsphack
     \@floatpenalty -\@Mii
   \else
     \@floatpenalty-\@Miii
   \fi
  \ifinner
     \@parmoderr\@floatpenalty\z@
  \else
    \@next\@currbox\@freelist
      {%
       \@tempcnta \sixt@@n
       \expandafter \@tfor \expandafter \reserved@a
         \expandafter :\expandafter =\@fps
         \do
          {%
           \if \reserved@a h%
             \ifodd \@tempcnta
             \else
               \advance \@tempcnta \@ne
             \fi
           \else\if \reserved@a t%
             \@setfpsbit \tw@
           \else\if \reserved@a b%
             \@setfpsbit 4%
           \else\if \reserved@a p%
             \@setfpsbit 8%
           \else\if \reserved@a !%
             \ifnum \@tempcnta>15
               \advance\@tempcnta -\sixt@@n\relax
             \fi
           \else
             \@latex@error{Unknown float option `\reserved@a'}%
             {Option `\reserved@a' ignored and `p' used.}%
             \@setfpsbit 8%
           \fi\fi\fi\fi\fi
           }%
       \@tempcntb \csname ftype@\@captype \endcsname
       \multiply \@tempcntb \@xxxii
       \advance \@tempcnta \@tempcntb
       \global \count\@currbox \@tempcnta
       }%
    \@fltovf
  \fi
  \global \setbox\@currbox
    \color@vbox
      \normalcolor
      \vbox \bgroup
        \hsize\columnwidth
        \@parboxrestore
        \@floatboxreset
}%
\EndIncludeInRelease
\IncludeInRelease{0000/00/00}%
                 {\@xfloat}{Check float options}%
\def\@xfloat #1[#2]{%
  \@nodocument
  \def \@captype {#1}%
   \def \@fps {#2}%
   \@onelevel@sanitize \@fps
   \def \reserved@b {!}%
   \ifx \reserved@b \@fps
     \@fpsadddefault
   \else
     \ifx \@fps \@empty
       \@fpsadddefault
     \fi
   \fi
   \ifhmode
     \@bsphack
     \@floatpenalty -\@Mii
   \else
     \@floatpenalty-\@Miii
   \fi
  \ifinner
     \@parmoderr\@floatpenalty\z@
  \else
    \@next\@currbox\@freelist
      {%
       \@tempcnta \sixt@@n
       \expandafter \@tfor \expandafter \reserved@a
         \expandafter :\expandafter =\@fps
         \do
          {%
           \if \reserved@a h%
             \ifodd \@tempcnta
             \else
               \advance \@tempcnta \@ne
             \fi
           \fi
           \if \reserved@a t%
             \@setfpsbit \tw@
           \fi
           \if \reserved@a b%
             \@setfpsbit 4%
           \fi
           \if \reserved@a p%
             \@setfpsbit 8%
           \fi
           \if \reserved@a !%
             \ifnum \@tempcnta>15
               \advance\@tempcnta -\sixt@@n\relax
             \fi
           \fi
           }%
       \@tempcntb \csname ftype@\@captype \endcsname
       \multiply \@tempcntb \@xxxii
       \advance \@tempcnta \@tempcntb
       \global \count\@currbox \@tempcnta
       }%
    \@fltovf
  \fi
  \global \setbox\@currbox
    \color@vbox
      \normalcolor
      \vbox \bgroup
        \hsize\columnwidth
        \@parboxrestore
        \@floatboxreset
}%
\EndIncludeInRelease
\IncludeInRelease{2015/01/01}%
                 {\end@dblfloat}{float order in 2-column}%
\def\end@dblfloat{%
  \if@twocolumn
    \@endfloatbox
    \ifnum\@floatpenalty <\z@
      \@largefloatcheck
      \global\dp\@currbox1sp %
      \@cons\@currlist\@currbox
      \ifnum\@floatpenalty <-\@Mii
        \penalty -\@Miv
        \@tempdima\prevdepth
        \vbox{}%
        \prevdepth\@tempdima
        \penalty\@floatpenalty
      \else
        \vadjust{\penalty -\@Miv \vbox{}\penalty\@floatpenalty}\@Esphack
      \fi
    \fi
  \else
    \end@float
  \fi
}%
\EndIncludeInRelease
\IncludeInRelease{0000/00/00}%
                 {\end@dblfloat}{float order in 2-column}%
\def\end@dblfloat{%
\if@twocolumn
  \@endfloatbox
  \ifnum\@floatpenalty <\z@
    \@largefloatcheck
    \@cons\@dbldeferlist\@currbox
  \fi
    \ifnum \@floatpenalty =-\@Mii \@Esphack\fi
\else
  \end@float
\fi
}%
\EndIncludeInRelease
\IncludeInRelease{2015/01/01}%
          {\@dblfloatplacement}{float order in 2-column}%
\def\@dblfloatplacement{\global\@dbltopnum\c@dbltopnumber
   \global\@dbltoproom \dbltopfraction\@colht
   \@textmin \@colht
   \advance \@textmin -\@dbltoproom
   \@fpmin \dblfloatpagefraction\textheight
   \@fptop \@dblfptop
   \@fpsep \@dblfpsep
   \@fpbot \@dblfpbot
   \def\f@depth{1sp}}%
\EndIncludeInRelease
\IncludeInRelease{0000/00/00}%
          {\@dblfloatplacement}{float order in 2-column}%
\def \@dblfloatplacement {%
  \global \@dbltopnum \c@dbltopnumber
  \global \@dbltoproom \dbltopfraction\@colht
  \@textmin \@colht
  \advance \@textmin -\@dbltoproom
  \@fpmin \dblfloatpagefraction\textheight
  \@fptop \@dblfptop
  \@fpsep \@dblfpsep
  \@fpbot \@dblfpbot
}%
\EndIncludeInRelease
\IncludeInRelease{2020/10/01}%
                 {\@textsuperscript}{superscript baseline}%
\def\@textsuperscript#1{%
  {\m@th\ensuremath{^{\mbox{\fontsize\sf@size\sf@size#1}}}}}
\EndIncludeInRelease
\IncludeInRelease{0000/00/00}%
                 {\@textsuperscript}{superscript baseline}%

\def\@textsuperscript#1{%
  {\m@th\ensuremath{^{\mbox{\fontsize\sf@size\z@#1}}}}}
\EndIncludeInRelease
\IncludeInRelease{2015/01/01}%
                 {\textsubscript}{\textsubscript}%
\DeclareRobustCommand*\textsubscript[1]{%
  \@textsubscript{\selectfont#1}}%
\EndIncludeInRelease
\IncludeInRelease{0000/00/00}%
                 {\textsubscript}{\textsubscript}%
\let\textsubscript\@undefined
\EndIncludeInRelease
\IncludeInRelease{2020/10/01}%
                 {\@textsubscript}{subscript baseline}%
\def\@textsubscript#1{%
  {\m@th\ensuremath{_{\mbox{\fontsize\sf@size\sf@size#1}}}}}
\EndIncludeInRelease
\IncludeInRelease{2015/01/01}%
                 {\@textsubscript}{subscript baseline}%

\def\@textsubscript#1{%
  {\m@th\ensuremath{_{\mbox{\fontsize\sf@size\z@#1}}}}}
\EndIncludeInRelease
\IncludeInRelease{0000/00/00}%
                 {\@textsubscript}{subscript baseline}%
\let\@textsubscript\@undefined
\EndIncludeInRelease
%%% From File: ltidxglo.dtx
%%% From File: ltbibl.dtx
%%% From File: ltpage.dtx
\IncludeInRelease{2019/10/01}%
                 {\markboth}{Make commands robust}%
\DeclareRobustCommand*\markboth[2]{%
  \begingroup
    \let\label\relax \let\index\relax \let\glossary\relax
    \unrestored@protected@xdef\@themark {{#1}{#2}}%
    \@temptokena \expandafter{\@themark}%
    \mark{\the\@temptokena}%
  \endgroup
  \if@nobreak\ifvmode\nobreak\fi\fi}
\DeclareRobustCommand*\markright[1]{%
  \begingroup
    \let\label\relax \let\index\relax \let\glossary\relax
    \expandafter\@markright\@themark {#1}%
    \@temptokena \expandafter{\@themark}%
    \mark{\the\@temptokena}%
  \endgroup
  \if@nobreak\ifvmode\nobreak\fi\fi}
\EndIncludeInRelease
\IncludeInRelease{0000/00/00}%
                 {\markboth}{Make commands robust}%

\kernel@make@fragile\markboth
\kernel@make@fragile\markright

\EndIncludeInRelease
%%
%% File: ltfilehook.dtx (C) Copyright 2020 Frank Mittelbach,
%%                                         Phelype Oleinik & LaTeX Team
%%% From File: ltfilehook.dtx
\providecommand\ltfilehookversion{v1.0c}
\providecommand\ltfilehookdate{2020/10/18}
\IncludeInRelease{2020/10/01}%
                 {\CurrentFile}{Hook management file}%
\ExplSyntaxOn
\tl_new:N \CurrentFile
\tl_new:N \CurrentFilePath
\tl_new:N \CurrentFileUsed
\tl_new:N \CurrentFilePathUsed
\ExplSyntaxOff
\EndIncludeInRelease
\IncludeInRelease{0000/00/00}%
                 {\CurrentFile}{Hook management file}%

\let \CurrentFile         \@undefined
\let \CurrentFilePath     \@undefined
\let \CurrentFileUsed     \@undefined
\let \CurrentFilePathUsed \@undefined

\EndIncludeInRelease
\IncludeInRelease{2020/10/01}%
          {\__filehook_file_parse_full_name:nN}{File helpers}%
\ExplSyntaxOn
\cs_new:Npn \__filehook_file_parse_full_name:nN #1
  {
    \exp_args:Nf \file_parse_full_name_apply:nN
      {
        \exp_args:Nf \__filehook_full_name:nn
          { \file_full_name:n {#1} } {#1}
      }
  }
\cs_new:Npn \__filehook_full_name:nn #1 #2
  {
    \tl_if_empty:nTF {#1}
      { \tl_trim_spaces:n {#2} }
      { \tl_trim_spaces:n {#1} }
  }
\cs_new:Npn \__filehook_if_no_extension:nTF #1
  {
    \exp_args:Ne \tl_if_empty:nTF
      { \file_parse_full_name_apply:nN {#1} \use_iii:nnn }
  }
\cs_new_protected:Npn \__filehook_drop_extension:N #1
  {
    \tl_gset:Nx #1
      {
        \exp_args:NV \__filehook_file_parse_full_name:nN #1
          \__filehook_drop_extension_aux:nnn
      }
  }
\cs_new:Npn \__filehook_drop_extension_aux:nnn #1 #2 #3
   { \tl_if_empty:nF {#1} { #1 / } #2 }
\tl_new:N \l__filehook_internal_tl
\seq_new:N \g__filehook_input_file_seq
\cs_new_protected:Npn \__filehook_file_push:
  {
    \seq_gpush:Nx \g__filehook_input_file_seq
      {
        { \CurrentFilePathUsed } { \CurrentFileUsed }
        { \CurrentFilePath     } { \CurrentFile     }
      }
  }
\cs_new_protected:Npn \__filehook_file_pop:
  {
    \seq_gpop:NNTF \g__filehook_input_file_seq \l__filehook_internal_tl
      { \exp_after:wN \__filehook_file_pop_assign:nnnn \l__filehook_internal_tl }
      {
        \msg_error:nnn { hooks } { should-not-happen }
          { Tried~to~pop~from~an~empty~file~name~stack. }
      }
  }
\cs_new_protected:Npn \__filehook_file_pop_assign:nnnn #1 #2 #3 #4
  {
    \tl_set:Nn \CurrentFilePathUsed {#1}
    \tl_set:Nn \CurrentFileUsed {#2}
    \tl_set:Nn \CurrentFilePath {#3}
    \tl_set:Nn \CurrentFile {#4}
  }
\ExplSyntaxOff
\EndIncludeInRelease
\IncludeInRelease{2020/10/01}%
          {\InputIfFileExists}{Hook management (files)}%
\let\InputIfFileExists\@undefined
\DeclareRobustCommand \InputIfFileExists[2]{%
  \IfFileExists{#1}%
    {%
     \@expl@@@filehook@file@push@@
     \@filehook@set@CurrentFile
      \edef\reserved@a{\@filef@und
        \@expl@@@filehook@file@pop@assign@@nnnn
          {\CurrentFilePathUsed}%
          {\CurrentFileUsed}%
          {\CurrentFilePath}%
          {\CurrentFile}}%
      \expandafter\@swaptwoargs\expandafter
        {\reserved@a}%
        {%
          #2%
          \@addtofilelist{#1}%
          \UseHook{file/before}%
          \UseHook{file/before/\CurrentFile}%
          \@@input
        }%
      \UseHook{file/after/\CurrentFile}%
      \UseHook{file/after}%
      \@expl@@@filehook@file@pop@@
    }%
}
\EndIncludeInRelease
\IncludeInRelease{2019/10/01}%
          {\InputIfFileExists}{Hook management (files)}%

\DeclareRobustCommand \InputIfFileExists[2]{%
  \IfFileExists{#1}%
    {%
  \expandafter\@swaptwoargs\expandafter
      {\@filef@und}{#2\@addtofilelist{#1}\@@input}}}
\EndIncludeInRelease
\IncludeInRelease{0000/00/00}%
          {\InputIfFileExists}{Hook management (files)}%
\long\def \InputIfFileExists#1#2{%
  \IfFileExists{#1}%
    {#2\@addtofilelist{#1}\@@input \@filef@und}}
\EndIncludeInRelease
\IncludeInRelease{2020/10/01}%
          {\__filehook_subst_add:nn}{Declaring file substitution}%
\ExplSyntaxOn
\cs_new_protected:Npn \__filehook_subst_add:nn #1 #2
  {
    \group_begin:
      \cs_set:cpx { } { \exp_not:o { \cs:w\cs_end: } }
      \int_set:Nn \tex_escapechar:D { -1 }
      \cs_gset:cpx { @file-subst@ \__filehook_subst_file_normalize:n {#1} }
        { \__filehook_subst_file_normalize:n {#2} }
    \group_end:
  }
\cs_new_protected:Npn \__filehook_subst_remove:n #1
  {
    \group_begin:
      \cs_set:cpx { } { \exp_not:o { \cs:w\cs_end: } }
      \int_set:Nn \tex_escapechar:D { -1 }
      \cs_undefine:c { @file-subst@ \__filehook_subst_file_normalize:n {#1} }
    \group_end:
  }
\cs_new:Npn \__filehook_subst_file_normalize:n #1
  {
    \exp_after:wN \__filehook_subst_empty_name_chk:NN
      \cs:w \exp_after:wN \cs_end:
        \cs:w \__filehook_file_parse_full_name:nN {#1} \use_ii_iii:nnn \cs_end:
  }
\cs_new:Npn \__filehook_subst_empty_name_chk:NN #1 #2
  { \if_meaning:w #1 #2 .tex \else: \token_to_str:N #2 \fi: }
\cs_gset:Npn \use_ii_iii:nnn #1 #2 #3 {#2 #3}
\ExplSyntaxOff
\EndIncludeInRelease
\IncludeInRelease{2020/10/01}%
          {\declare@file@substitution}{File substitution}%
\ExplSyntaxOn
\cs_new_eq:NN \declare@file@substitution   \__filehook_subst_add:nn
\cs_new_eq:NN \undeclare@file@substitution \__filehook_subst_remove:n
\ExplSyntaxOff
\EndIncludeInRelease
\IncludeInRelease{0000/00/00}%
          {\declare@file@substitution}{File substitution}%

\let \declare@file@substitution   \@undefined
\let \undeclare@file@substitution \@undefined

\EndIncludeInRelease
\IncludeInRelease{2020/10/01}%
          {\set@curr@file}{Setting current file name}%
\def\set@curr@file#1{%
  \begingroup
    \escapechar\m@ne
    \expandafter\def\csname\expandafter\endcsname
      \expandafter{\csname\endcsname}%
    \@expl@@@filehook@if@no@extension@@nTF{#1}%
      {\@tempswatrue}{\@tempswafalse}%
    \@kernel@make@file@csname\@curr@file
      \@expl@@@filehook@resolve@file@subst@@w {#1}%
    \@expl@@@filehook@if@file@replaced@@TF
      {\@kernel@make@file@csname\@curr@file@reqd
         \@expl@@@filehook@normalize@file@name@@w{#1}%
       \if@tempswa \@expl@@@filehook@drop@extension@@N\@curr@file@reqd \fi}%
      {\if@tempswa \@expl@@@filehook@drop@extension@@N\@curr@file \fi
       \global\let\@curr@file@reqd\@curr@file}%
  \endgroup}
\EndIncludeInRelease
\IncludeInRelease{2019/10/01}%
          {\set@curr@file}{Setting current file name}%
\def\set@curr@file#1{%
  \begingroup
    \escapechar\m@ne
    \xdef\@curr@file{%
      \expandafter\expandafter\expandafter\unquote@name
      \expandafter\expandafter\expandafter{%
      \expandafter\string
        \csname\@firstofone#1\@empty\endcsname}}%
  \endgroup
}
\EndIncludeInRelease
\IncludeInRelease{0000/00/00}%
          {\set@curr@file}{Setting current file name}%
\let\set@curr@file\@undefined
\EndIncludeInRelease
\IncludeInRelease{2020/10/01}%
          {\@kernel@make@file@csname}{Make file csname}%
\def\@kernel@make@file@csname#1#2#3{%
  \xdef#1{\expandafter\@set@curr@file@aux
    \csname\expandafter#2\@firstofone#3\@nil\endcsname}}
\def\@set@curr@file@aux#1{%
  \expandafter\ifx\csname\endcsname#1%
    .tex\else\string#1\fi}
\def\@filehook@set@CurrentFile{%
  \@expl@@@filehook@set@curr@file@@nNN{\@curr@file}%
    \CurrentFileUsed\CurrentFilePathUsed
  \ifx\@curr@file@reqd\@curr@file
    \let\CurrentFile\CurrentFileUsed
    \let\CurrentFilePath\CurrentFilePathUsed
  \else
    \@expl@@@filehook@set@curr@file@@nNN{\@curr@file@reqd}%
      \CurrentFile\CurrentFilePath
  \fi}
\EndIncludeInRelease
\IncludeInRelease{2020/10/01}%
          {@@_set_curr_file:nNN}{Set curr file}%
\ExplSyntaxOn
\cs_new_protected:Npn \__filehook_set_curr_file:nNN #1
  {
    \exp_args:Nf \__filehook_file_parse_full_name:nN {#1}
      \__filehook_set_curr_file_assign:nnnNN
  }
\cs_new_protected:Npn \__filehook_set_curr_file_assign:nnnNN #1 #2 #3 #4 #5
  {
    \str_set:Nn #5 {#1}
    \str_set:Nn #4 {#2#3}
  }
\ExplSyntaxOff
\EndIncludeInRelease
\IncludeInRelease{2020/10/01}%
          {\__filehook_resolve_file_subst:w}{Replace files detect loops}%
\ExplSyntaxOn
\cs_new:Npn \__filehook_resolve_file_subst:w #1 \@nil
  { \__filehook_file_parse_full_name:nN {#1} \__filehook_file_subst_begin:nnn }
\cs_new:Npn \__filehook_normalize_file_name:w #1 \@nil
  { \__filehook_file_parse_full_name:nN {#1} \__filehook_file_name_compose:nnn }
\cs_new:Npn \__filehook_file_name_compose:nnn #1 #2 #3
  { \tl_if_empty:nF {#1} { #1 / } #2#3 }
\flag_new:n { __filehook_file_replaced }
\cs_new:Npn \__filehook_if_file_replaced:TF #1 #2
   { \flag_if_raised:nTF { __filehook_file_replaced } {#1} {#2} }
\cs_new:Npn \__filehook_file_subst_begin:nnn #1 #2 #3
  {
    \__filehook_file_subst_tortoise_hare:nn { #2#3 } { #2#3 }
      { \__filehook_file_name_compose:nnn {#1} {#2} {#3} }
  }
\ExplSyntaxOff
\EndIncludeInRelease
\IncludeInRelease{2020/10/01}%
         {\__filehook_file_subst_tortoise_hare:nn}{Tortoise and Hare}%
\ExplSyntaxOn
\cs_new:Npn \__filehook_file_subst_tortoise_hare:nn #1 #2 #3
  {
    \cs_if_exist:cTF { @file-subst@ #2 }
      {
        \flag_if_raised:nF { __filehook_file_replaced }
          { \flag_raise:n { __filehook_file_replaced } }
        \cs_if_exist:cTF { @file-subst@ \use:c { @file-subst@ #2 } }
          {
            \__filehook_file_subst_loop:cc
              { @file-subst@ #1 }
              { @file-subst@ \use:c { @file-subst@ #2 } }
          }
          { \use:c { @file-subst@ #2 } }
      }
      { #3 }
  }
\cs_new:Npn \__filehook_file_subst_loop:NN #1 #2
  {
    \token_if_eq_meaning:NNTF #1 #2
      {
        .tex
        \__filehook_file_subst_cycle_error:cN { @file-subst@ #1 } #1
      }
      { \__filehook_file_subst_tortoise_hare:nn {#1} {#2} {#2} }
  }
\cs_generate_variant:Nn \__filehook_file_subst_loop:NN { cc }
\cs_new:Npn \__filehook_file_subst_cycle_error:NN #1 #2
  {
    \__kernel_msg_expandable_error:nnff { kernel } { file-cycle }
      {#1} { \use:c { @file-subst@ #1 } }
    \token_if_eq_meaning:NNF #1 #2
      { \__filehook_file_subst_cycle_error:cN { @file-subst@ #1 } #2 }
  }
\cs_generate_variant:Nn \__filehook_file_subst_cycle_error:NN { c }
\__kernel_msg_new:nnn { kernel } { file-cycle }
  { File~loop!~#1~replaced~by~#2... }
\ExplSyntaxOff
\EndIncludeInRelease
\IncludeInRelease{2020/10/01}%
          {\disable@package@load}{Disable packages}%
\def\disable@package@load#1#2{%
  \global\@namedef{@pkg-disable@#1.\@pkgextension}{#2}}
\def\@disable@packageload@do#1#2{%
  \@ifundefined{@pkg-disable@#1}{#2}%
     {\@nameuse{@pkg-disable@#1}}}
\def\reenable@package@load#1{%
  \global\expandafter\let
  \csname @pkg-disable@#1.\@pkgextension \endcsname \@undefined}
\EndIncludeInRelease
\IncludeInRelease{0000/00/00}%
          {\disable@package@load}{Disable packages}%

\let\disable@package@load   \@undefined
\let\@disable@packageload@do\@undefined
\let\reenable@package@load  \@undefined
\EndIncludeInRelease
\IncludeInRelease{2020/10/01}%
    {\@expl@@@filehook@if@no@extension@@nTF}{2e tmp interfaces}%
\ExplSyntaxOn
\cs_new_eq:NN \@expl@@@filehook@if@no@extension@@nTF
              \__filehook_if_no_extension:nTF
\cs_new_eq:NN \@expl@@@filehook@set@curr@file@@nNN
              \__filehook_set_curr_file:nNN
\cs_new_eq:NN \@expl@@@filehook@resolve@file@subst@@w
              \__filehook_resolve_file_subst:w
\cs_new_eq:NN \@expl@@@filehook@normalize@file@name@@w
              \__filehook_normalize_file_name:w
\cs_new_eq:NN \@expl@@@filehook@if@file@replaced@@TF
              \__filehook_if_file_replaced:TF
\cs_new_eq:NN \@expl@@@filehook@drop@extension@@N
              \__filehook_drop_extension:N
\cs_new_eq:NN \@expl@@@filehook@file@push@@
               \__filehook_file_push:
\cs_new_eq:NN \@expl@@@filehook@file@pop@@
              \__filehook_file_pop:
\cs_new_eq:NN \@expl@@@filehook@file@pop@assign@@nnnn
              \__filehook_file_pop_assign:nnnn
\ExplSyntaxOff
\EndIncludeInRelease
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%%
%% File: ltshipout.dtx (C) Copyright 2020 Frank Mittelbach, LaTeX Team
%%
%%% From File: ltshipout.dtx
\providecommand\ltshipoutversion{v1.0c}
\providecommand\ltshipoutdate{2020/09/27}
\IncludeInRelease{2020/10/01}%
                 {\shipout}{Hook mangement (shipout)}%
\ExplSyntaxOn
\bool_new:N \g__shipout_debug_bool
\cs_new_eq:NN \__shipout_debug:n  \use_none:n
\cs_new_protected:Npn \shipout_debug_on:
  {
    \bool_gset_true:N \g__shipout_debug_bool
    \__shipout_debug_gset:
  }
\cs_new_protected:Npn \shipout_debug_off:
  {
    \bool_gset_false:N \g__shipout_debug_bool
    \__shipout_debug_gset:
  }
\cs_new_protected:Npn \__shipout_debug_gset:
  {
    \cs_gset_protected:Npx \__shipout_debug:n ##1
      { \bool_if:NT \g__shipout_debug_bool {##1} }
  }
\box_new:N  \l_shipout_box
\cs_set_eq:NN \ShipoutBox \l_shipout_box
\cs_set_protected:Npn \__shipout_execute: {
  \tl_set:Nx \l__shipout_group_level_tl
     { \int_value:w \tex_currentgrouplevel:D }
  \tex_afterassignment:D \__shipout_execute_test_level:
  \tex_setbox:D \l_shipout_box
}
\cs_gset_eq:NN \shipout \__shipout_execute:
\tl_new:N \l__shipout_group_level_tl
\cs_new:Npn \__shipout_execute_test_level: {
  \int_compare:nNnT
     \l__shipout_group_level_tl < \tex_currentgrouplevel:D
     \tex_aftergroup:D
  \__shipout_execute_cont:
}
\cs_new:Npn \__shipout_execute_cont: {
  \box_if_empty:NTF \l_shipout_box
    { \PackageWarning{ltshipout}{Ignoring~ void~ shipout~ box} }
    {
      \bool_gset_false:N \g__shipout_discard_bool
      \cs_set_eq:NN \__shipout_saved_protect: \protect
      \set@typeset@protect
      \__shipout_get_box_size:N \l_shipout_box
      \hook_use:n {shipout/before}
      \int_gincr:N \g_shipout_totalpages_int
      \bool_if:NTF \g__shipout_discard_bool
        { \PackageInfo{ltshipout}{Completed~ page~ discarded}
          \bool_gset_false:N \g__shipout_discard_bool
          \tex_deadcycles:D \c_zero_int
        }
        { \box_if_empty:NTF \l_shipout_box
            { \PackageWarning{ltshipout}{
                Shipout~ box~ was~ voided~ by~ hook,\MessageBreak
                ignoring~ shipout~ box  }
            }
            {
              \int_gincr:N \g_shipout_readonly_int
              \__shipout_debug:n {
                \typeout{Absolute~ page~ =~ \int_use:N \g_shipout_readonly_int
                         \space (target:~ \@abspage@last)}
              }
              \__shipout_get_box_size:N \l_shipout_box
              \hook_if_empty:nF {shipout/foreground}
                   { \__shipout_add_foreground_picture:n
                     { \hook_use:n {shipout/foreground} } }
              \hook_if_empty:nF {shipout/background}
                   { \__shipout_add_background_picture:n
                     { \@kernel@before@shipout@background
                       \hook_use:n {shipout/background} } }
              \__shipout_execute_firstpage_hook:
              \int_compare:nNnT \@abspage@last = \g_shipout_readonly_int
                { \hook_if_empty:nF {shipout/lastpage}
                    { \__shipout_debug:n { \typeout{Executing~ lastpage~ hook~
                          on~ page~ \int_use:N \g_shipout_readonly_int }        }
                      \__shipout_add_foreground_box:n { \UseHook{shipout/lastpage}
                                                  \@kernel@after@shipout@lastpage }
                    }
                    \bool_gset_true:N \g__shipout_lastpage_handled_bool
                }
              \cs_set_eq:NN \protect \exp_not:N
              \tex_shipout:D \box_use:N \l_shipout_box
            }
        }
      \cs_set_eq:NN \protect \__shipout_saved_protect:
    }
}
\cs_new_eq:NN  \__shipout_saved_protect: \protect
\hook_new:n{shipout/before}
\hook_new:n{shipout/foreground}
\hook_new:n{shipout/background}
\hook_new:n{shipout/firstpage}
\hook_new:n{shipout/lastpage}
\let\@kernel@after@shipout@lastpage\@empty
\let\@kernel@before@shipout@background\@empty
\cs_new:Npn \__shipout_execute_firstpage_hook: {
  \hook_if_empty:nF {shipout/firstpage}
       { \__shipout_add_background_box:n { \UseHook{shipout/firstpage} } }
  \cs_gset_eq:NN \__shipout_execute_firstpage_hook: \prg_do_nothing:
  \cs_gset:Npn \__shipout_add_firstpage_material:Nn ##1 ##2 {
    \@latex@warning{
        First~ page~ is~ already~ shipped~ out,~ ignoring\MessageBreak
        \string##1 }
  }
}
\bool_new:N \g__shipout_lastpage_handled_bool
\cs_new:Npn \__shipout_add_firstpage_material:Nn #1#2 {
   \AddToHook{shipout/firstpage}{#2}
}
\cs_new:Npn \__shipout_get_box_size:N #1 {
  \dim_set:Nn \l_shipout_box_ht_dim { \box_ht:N #1 }
  \dim_set:Nn \l_shipout_box_dp_dim { \box_dp:N #1 }
  \dim_set:Nn \l_shipout_box_wd_dim { \box_wd:N #1 }
  \dim_set:Nn \l_shipout_box_ht_plus_dp_dim { \l_shipout_box_ht_dim +
                                         \l_shipout_box_dp_dim }
}
\dim_new:N \l_shipout_box_ht_dim
\dim_new:N \l_shipout_box_dp_dim
\dim_new:N \l_shipout_box_wd_dim
\dim_new:N \l_shipout_box_ht_plus_dp_dim
\bool_new:N \g__shipout_discard_bool
\box_new:N \l__shipout_tmp_box
\tl_new:N  \l__shipout_saved_badness_tl
\cs_new:Npn \__shipout_add_background_box:n #1
{ \__shipout_get_box_size:N \l_shipout_box
  \box_if_vertical:NTF \l_shipout_box
      {
        \tl_set:Nx \l__shipout_saved_badness_tl
           { \vfuzz=\the\vfuzz\relax
             \vbadness=\the\vbadness\relax }
        \vfuzz=\c_max_dim
        \vbadness=\c_max_int
        \vbox_set_to_ht:Nnn \l_shipout_box \l_shipout_box_ht_plus_dp_dim
             {
               \hbox_set:Nn \l__shipout_tmp_box
                    { \l__shipout_saved_badness_tl #1 }
               \box_set_wd:Nn \l__shipout_tmp_box \c_zero_dim
               \box_set_ht:Nn \l__shipout_tmp_box \c_zero_dim
               \box_set_dp:Nn \l__shipout_tmp_box \c_zero_dim
               \skip_zero:N \baselineskip
               \skip_zero:N \lineskip
               \skip_zero:N \lineskiplimit
               \box_use:N \l__shipout_tmp_box
               \vbox_unpack:N \l_shipout_box
               \kern \c_zero_dim
             }
        \box_set_ht:Nn \l_shipout_box \l_shipout_box_ht_dim
        \box_set_dp:Nn \l_shipout_box \l_shipout_box_dp_dim
        \l__shipout_saved_badness_tl
      }
      {
        \box_if_horizontal:NT \l_shipout_box
            {
              \tl_set:Nx \l__shipout_saved_badness_tl
                 { \hfuzz=\the\hfuzz\relax
                   \hbadness=\the\hbadness\relax }
              \hfuzz=\c_max_dim
              \hbadness=\c_max_int
              \hbox_set_to_wd:Nnn \l_shipout_box \l_shipout_box_wd_dim
                   {
                     \hbox_set:Nn \l__shipout_tmp_box
                          { \l__shipout_saved_badness_tl #1 }
                     \box_set_wd:Nn \l__shipout_tmp_box \c_zero_dim
                     \box_set_ht:Nn \l__shipout_tmp_box \c_zero_dim
                     \box_set_dp:Nn \l__shipout_tmp_box \c_zero_dim
                     \box_move_up:nn
                         \l_shipout_box_ht_dim
                         { \box_use:N \l__shipout_tmp_box }
                     \hbox_unpack:N \l_shipout_box
                   }
              \l__shipout_saved_badness_tl
            }
      }
}
\cs_new:Npn \__shipout_add_foreground_box:n #1
{
  \box_if_vertical:NTF \l_shipout_box
    {
      \tl_set:Nx \l__shipout_saved_badness_tl
         { \vfuzz=\the\vfuzz\relax
           \vbadness=\the\vbadness\relax }
      \vfuzz=\c_max_dim
      \vbadness=\c_max_int
      \vbox_set_to_ht:Nnn \l_shipout_box \l_shipout_box_ht_plus_dp_dim
           {
             \hbox_set:Nn \l__shipout_tmp_box
                  { \l__shipout_saved_badness_tl #1 }
             \box_set_wd:Nn \l__shipout_tmp_box \c_zero_dim
             \box_set_ht:Nn \l__shipout_tmp_box \c_zero_dim
             \box_set_dp:Nn \l__shipout_tmp_box \c_zero_dim
             \skip_zero:N \baselineskip
             \skip_zero:N \lineskip
             \skip_zero:N \lineskiplimit
             \vbox_unpack:N \l_shipout_box
             \kern -\l_shipout_box_ht_plus_dp_dim
             \box_use:N \l__shipout_tmp_box
             \kern  \l_shipout_box_ht_plus_dp_dim
           }
      \l__shipout_saved_badness_tl
      \box_set_ht:Nn \l_shipout_box \l_shipout_box_ht_dim
      \box_set_dp:Nn \l_shipout_box \l_shipout_box_dp_dim
    }
    {
      \box_if_horizontal:NT \l_shipout_box
        {
          \tl_set:Nx \l__shipout_saved_badness_tl
            { \hfuzz=\the\hfuzz\relax
              \hbadness=\the\hbadness\relax }
          \hfuzz=\c_max_dim
          \hbadness=\c_max_int
          \hbox_set_to_wd:Nnn \l_shipout_box \l_shipout_box_wd_dim
               {
                 \hbox_unpack:N \l_shipout_box
                 \kern -\box_wd:N \l_shipout_box
                 \hbox_set:Nn \l__shipout_tmp_box
                     { \l__shipout_saved_badness_tl #1 }
                 \box_set_wd:Nn \l__shipout_tmp_box \c_zero_dim
                 \box_set_ht:Nn \l__shipout_tmp_box \c_zero_dim
                 \box_set_dp:Nn \l__shipout_tmp_box \c_zero_dim
                 \box_move_up:nn { \box_ht:N \l_shipout_box }
                               { \box_use:N \l__shipout_tmp_box }
                 \kern \box_wd:N \l_shipout_box
               }%
               \l__shipout_saved_badness_tl
        }
    }
}
\cs_new:Npn \__shipout_init_page_origins: {
  \tl_const:Nx \c__shipout_horigin_tl
     {
       \cs_if_exist_use:NTF \pdfvariable { horigin }
          { \cs_if_exist_use:NF \pdfhorigin { 1in } }
     }
  \tl_const:Nx \c__shipout_vorigin_tl
     {
       \cs_if_exist_use:NTF \pdfvariable { vorigin }
          { \cs_if_exist_use:NF \pdfvorigin { 1in } }
     }
  \cs_gset_eq:NN \__shipout_init_page_origins: \prg_do_nothing:
}
\cs_new:Npn \__shipout_picture_overlay:n #1 {
    \__shipout_init_page_origins:
    \kern -\c__shipout_horigin_tl \scan_stop:
    \vbox_to_zero:n {
      \kern -\c__shipout_vorigin_tl \scan_stop:
      \unitlength 1pt \scan_stop:
      \hbox_set_to_wd:Nnn \l__shipout_tmp_box \c_zero_dim
                          { \ignorespaces #1 \hss }
      \box_set_ht:Nn \l__shipout_tmp_box \c_zero_dim
      \box_set_dp:Nn \l__shipout_tmp_box \c_zero_dim
      \box_use:N \l__shipout_tmp_box
      \tex_vss:D
    }
}
\cs_new:Npn \__shipout_add_background_picture:n #1 {
   \__shipout_add_background_box:n { \__shipout_picture_overlay:n {#1} }
}
\cs_new:Npn \__shipout_add_foreground_picture:n #1 {
   \__shipout_add_foreground_box:n { \__shipout_picture_overlay:n {#1} }
}
\cs_new_protected:Npn \shipout_discard: {
  \bool_gset_true:N \g__shipout_discard_bool
}
\int_new:N \g_shipout_readonly_int
\cs_new_eq:NN \ReadonlyShipoutCounter  \g_shipout_readonly_int
\int_new:N \g_shipout_totalpages_int
\cs_new_eq:NN \c@totalpages \g_shipout_totalpages_int
\cs_new:Npn \thetotalpages { \arabic{totalpages} }
\xdef\@abspage@last{\number\maxdimen}
\g@addto@macro \@kernel@after@enddocument {
  \int_compare:nNnT \@abspage@last = \maxdimen
    {
      \xdef\@abspage@last{ \int_eval:n {\g_shipout_readonly_int + 1} }
    }
}
\g@addto@macro \@kernel@after@enddocument@afterlastpage {
  \int_compare:nNnF \g_shipout_readonly_int = 0
    {
     \if@filesw
        \iow_now:Nx \@auxout {
          \gdef\string\@abspage@last {\int_use:N \g_shipout_readonly_int}}
     \fi
      \bool_if:NF \g__shipout_lastpage_handled_bool
         {
          \bool_lazy_and:nnF
            { \hook_if_empty_p:n {shipout/lastpage} }
            { \tl_if_empty_p:N \@kernel@after@shipout@lastpage }
            {
              \tex_shipout:D\vbox to\textheight
                {
                  \hbox:n { \UseHook{shipout/lastpage}
                            \@kernel@after@shipout@lastpage }
                  \__shipout_excuse_extra_page:
                  \null
                }
              \cs_gset_eq:NN \@extra@page@added \relax
            }
         }
     }
}
\cs_new:Npn \__shipout_excuse_extra_page: {
  \vfil
  \begin{center}
    \bfseries Temporary~ page!
  \end{center}
    \LaTeX{}~ was~ unable~ to~ guess~ the~ total~ number~ of~ pages~
    correctly.~ ~ As~ there~ was~ some~ unprocessed~ data~ that~
    should~ have~ been~ added~ to~ the~ final~ page~ this~ extra~
    page~ has~ been~ added~ to~ receive~ it.
    \par
    If~ you~ rerun~ the~ document~ (without~ altering~ it)~ this~
    surplus~ page~ will~ go~ away,~ because~ \LaTeX{}~ now~ knows~
    how~ many~ pages~ to~ expect~ for~ this~ document.
  \vfil
}
\def\PreviousTotalPages{0}
\g@addto@macro\@kernel@before@begindocument
  {\ifnum\@abspage@last<\maxdimen
     \xdef\PreviousTotalPages{\@abspage@last}\fi}
\cs_new_eq:NN \DiscardShipoutBox \shipout_discard:
\cs_new_protected:Npn \AtBeginDvi {\__shipout_add_firstpage_material:Nn \AtBeginDvi}
\cs_new_eq:NN \DebugShipoutsOn  \shipout_debug_on:
\cs_new_eq:NN \DebugShipoutsOff \shipout_debug_off:
\cs_set_eq:NN \@expl@@@shipout@add@firstpage@material@@Nn
              \__shipout_add_firstpage_material:Nn
\cs_set_eq:NN \@expl@@@shipout@add@background@box@@n
              \__shipout_add_background_box:n
\cs_set_eq:NN \@expl@@@shipout@add@foreground@box@@n
              \__shipout_add_foreground_box:n
\cs_set_eq:NN \@expl@@@shipout@add@background@picture@@n
              \__shipout_add_background_picture:n
\cs_set_eq:NN \@expl@@@shipout@add@foreground@picture@@n
              \__shipout_add_foreground_picture:n
\ExplSyntaxOff
\EndIncludeInRelease
\IncludeInRelease{0000/00/00}%
                 {\shipout}{The hook management (shipout)}%
\expandafter\let\expandafter\shipout\csname tex_shipout:D\endcsname

\let \ShipoutBox\@undefined
\let \ReadonlyShipoutCounter \@undefined
\let \c@totalpages \@undefined
\let \thetotalpages \@undefined

\let \DiscardShipoutBox \@undefined
\let \DebugShipoutsOn \@undefined
\let \DebugShipoutsOff \@undefined

\DeclareRobustCommand \AtBeginDvi [1]{%
  \global \setbox \@begindvibox
    \vbox{\unvbox \@begindvibox #1}%
}

\let \AtBeginShipout \@undefined
\let \AtBeginShipoutNext \@undefined

\let \AtBeginShipoutFirst \@undefined

\let \ShipoutBoxHeight \@undefined
\let \ShipoutBoxDepth \@undefined
\let \ShipoutBoxWidth \@undefined

\let \AtBeginShipoutDiscard \@undefined

\let \AtBeginShipoutAddToBox \@undefined
\let \AtBeginShipoutAddToBoxForeground \@undefined
\let \AtBeginShipoutUpperLeft \@undefined
\let \AtBeginShipoutUpperLeftForeground \@undefined


\let  \AtEndDvi \@undefined

\EndIncludeInRelease
\IncludeInRelease{2020/10/01}%
                 {\AtEndDvi}{atenddvi emulation}%
\ExplSyntaxOn
\cs_new_protected:Npn \AtEndDvi {\AddToHook{shipout/lastpage}}
\ExplSyntaxOff
\disable@package@load{atenddvi}
   {\PackageWarning{atenddvi}
     {Functionality of this package is already\MessageBreak
      provided by LaTeX.\MessageBreak\MessageBreak
      It is there no longer necessary to load it\MessageBreak
      and you can safely remove it.\MessageBreak
      Found on}}
\EndIncludeInRelease
\IncludeInRelease{0000/00/00}%
                 {\AtEndDvi}{atenddvi emulation}%
\let \AtEndDvi \@undefined
\EndIncludeInRelease
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%%% From File: ltoutput.dtx
\IncludeInRelease{2015/10/01}%
                 {\bx@ZZ}{Extended float list}%
\let\@elt\newinsert
\ifx\numexpr\@undefined\else
\def\reserved@a{%
  \@elt\bx@S\@elt\bx@T\@elt\bx@U\@elt\bx@V
  \@elt\bx@W\@elt\bx@X\@elt\bx@Y\@elt\bx@Z
  \@elt\bx@AA\@elt\bx@BB\@elt\bx@CC\@elt\bx@DD\@elt\bx@EE
  \@elt\bx@FF\@elt\bx@GG\@elt\bx@HH\@elt\bx@II\@elt\bx@JJ
  \@elt\bx@KK\@elt\bx@LL\@elt\bx@MM\@elt\bx@NN
  \@elt\bx@OO\@elt\bx@PP\@elt\bx@QQ\@elt\bx@RR
  \@elt\bx@SS\@elt\bx@TT\@elt\bx@UU\@elt\bx@VV
  \@elt\bx@WW\@elt\bx@XX\@elt\bx@YY\@elt\bx@ZZ}
\reserved@a
\def\@elt{\noexpand\@elt\noexpand}
\edef\@freelist{\@freelist\reserved@a}
\fi
\let\reserved@a\relax
\let\@elt\relax
\EndIncludeInRelease
\IncludeInRelease{0000/00/00}%
                 {\bx@ZZ}{Extended float list}%
\def\@freelist{%
  \@elt\bx@A\@elt\bx@B\@elt\bx@C\@elt\bx@D\@elt\bx@E
  \@elt\bx@F\@elt\bx@G\@elt\bx@H\@elt\bx@I\@elt\bx@J
  \@elt\bx@K\@elt\bx@L\@elt\bx@M\@elt\bx@N
  \@elt\bx@O\@elt\bx@P\@elt\bx@Q\@elt\bx@R}
  \insc@unt=234
\EndIncludeInRelease
\IncludeInRelease{2017/04/15}%
                 {\newpage}{Check depth of page}%
\def \newpage {%
  \if@noskipsec
    \ifx \@nodocument\relax
      \leavevmode
      \global \@noskipsecfalse
    \fi
  \fi
  \if@inlabel
    \leavevmode
    \global \@inlabelfalse
  \fi
  \if@nobreak \@nobreakfalse \everypar{}\fi
  \par
  \ifdim\prevdepth>\z@
     \vskip -%
       \ifdim\prevdepth>\maxdepth
         \maxdepth
       \else
         \prevdepth
       \fi
  \fi
  \vfil
  \penalty -\@M}
\EndIncludeInRelease
\IncludeInRelease{0000/00/00}%
                 {\newpage}{Check depth of page}%
\def \newpage {%
  \if@noskipsec
    \ifx \@nodocument\relax
      \leavevmode
      \global \@noskipsecfalse
    \fi
  \fi
  \if@inlabel
    \leavevmode
    \global \@inlabelfalse
  \fi
  \if@nobreak \@nobreakfalse \everypar{}\fi
  \par
  \vfil
  \penalty -\@M}
\EndIncludeInRelease
\IncludeInRelease{2015/01/01}%
                 {\@testwrongwidth}{float order in 2-column}%
\def\@testwrongwidth #1{%
  \ifdim\dp#1=\f@depth
  \else
    \global\@testtrue
  \fi}%
\let\f@depth\z@
\EndIncludeInRelease
\IncludeInRelease{0000/00/00}%
                 {\@testwrongwidth}{float order in 2-column}%
\let\@testwrongwidth\@undefined
\let\f@depth\@undefined
\EndIncludeInRelease
\IncludeInRelease{2015/01/01}{\@doclearpage}%
                             {float order in 2-column}%
\def \@doclearpage {%
     \ifvoid\footins
       \ifvbox\@kludgeins
         {\setbox \@tempboxa \box \@kludgeins}%
       \fi
       \setbox\@tempboxa\vsplit\@cclv to\z@ \unvbox\@tempboxa
       \setbox\@tempboxa\box\@cclv
       \xdef\@deferlist{\@toplist\@botlist\@deferlist}%
       \global \let \@toplist \@empty
       \global \let \@botlist \@empty
       \global \@colroom \@colht
       \ifx \@currlist\@empty
       \else
          \@latexerr{Float(s) lost}\@ehb
          \global \let \@currlist \@empty
       \fi
       \@makefcolumn\@deferlist
       \@whilesw\if@fcolmade \fi{\@opcol\@makefcolumn\@deferlist}%
       \if@twocolumn
         \if@firstcolumn
           \xdef\@deferlist{\@dbltoplist\@deferlist}%
           \global \let \@dbltoplist \@empty
           \global \@colht \textheight
           \begingroup
              \@dblfloatplacement
              \@makefcolumn\@deferlist
              \@whilesw\if@fcolmade \fi{\@outputpage
                                        \@makefcolumn\@deferlist}%
           \endgroup
         \else
           \vbox{}\clearpage
         \fi
       \fi
       \ifx\@deferlist\@empty \else\clearpage \fi
     \else
       \setbox\@cclv\vbox{\box\@cclv\vfil}%
       \@makecol\@opcol
       \clearpage
     \fi
}%
\EndIncludeInRelease
\IncludeInRelease{0000/00/00}{\@doclearpage}%
                             {float order in 2-column}%
\def \@doclearpage {%
     \ifvoid\footins
       \ifvbox\@kludgeins
         {\setbox \@tempboxa \box \@kludgeins}%
       \fi
       \setbox\@tempboxa\vsplit\@cclv to\z@ \unvbox\@tempboxa
       \setbox\@tempboxa\box\@cclv
       \xdef\@deferlist{\@toplist\@botlist\@deferlist}%
       \global \let \@toplist \@empty
       \global \let \@botlist \@empty
       \global \@colroom \@colht
       \ifx \@currlist\@empty
       \else
          \@latexerr{Float(s) lost}\@ehb
          \global \let \@currlist \@empty
       \fi
       \@makefcolumn\@deferlist
       \@whilesw\if@fcolmade \fi
                     {\@opcol\@makefcolumn\@deferlist}%
       \if@twocolumn
         \if@firstcolumn
           \xdef\@dbldeferlist{\@dbltoplist\@dbldeferlist}%
           \global \let \@dbltoplist \@empty
           \global \@colht \textheight
           \begingroup
              \@dblfloatplacement
              \@makefcolumn\@dbldeferlist
              \@whilesw\if@fcolmade \fi
                    {\@outputpage\@makefcolumn\@dbldeferlist}%
           \endgroup
         \else
           \vbox{}\clearpage
         \fi
       \fi
     \else
       \setbox\@cclv\vbox{\box\@cclv\vfil}%
       \@makecol\@opcol
       \clearpage
     \fi
  }%
\EndIncludeInRelease
\IncludeInRelease{2017/04/15}%
  {\@outputpage}{Reset language for hyphenation}%
\def\@outputpage{%
\begingroup
  \let \protect \noexpand
  \language\document@default@language
  \@resetactivechars
  \global\let\@@if@newlist\if@newlist
  \global\@newlistfalse
  \@parboxrestore
  \shipout \vbox{%
    \set@typeset@protect
    \aftergroup \endgroup
    \aftergroup \set@typeset@protect
  \if@specialpage
    \global\@specialpagefalse\@nameuse{ps@\@specialstyle}%
  \fi
  \if@twoside
    \ifodd\count\z@ \let\@thehead\@oddhead \let\@thefoot\@oddfoot
         \let\@themargin\oddsidemargin
    \else \let\@thehead\@evenhead
       \let\@thefoot\@evenfoot \let\@themargin\evensidemargin
    \fi
  \fi
  \reset@font
  \normalsize
  \normalsfcodes
  \let\label\@gobble
  \let\index\@gobble
  \let\glossary\@gobble
  \baselineskip\z@skip \lineskip\z@skip \lineskiplimit\z@
    \@begindvi
    \vskip \topmargin
    \moveright\@themargin \vbox {%
      \setbox\@tempboxa \vbox to\headheight{%
        \vfil
        \color@hbox
          \normalcolor
          \hb@xt@\textwidth{\@thehead}%
        \color@endbox
        }%
      \dp\@tempboxa \z@
      \box\@tempboxa
      \vskip \headsep
      \box\@outputbox
      \baselineskip \footskip
      \color@hbox
        \normalcolor
        \hb@xt@\textwidth{\@thefoot}%
      \color@endbox
      }%
    }%
  \global\let\if@newlist\@@if@newlist
  \global \@colht \textheight
  \stepcounter{page}%
  \let\firstmark\botmark
}
\EndIncludeInRelease
\IncludeInRelease{0000/00/00}%
  {\@outputpage}{Reset language for hyphenation}%
\def\@outputpage{%
\begingroup
  \let \protect \noexpand
  \@resetactivechars
  \global\let\@@if@newlist\if@newlist
  \global\@newlistfalse
  \@parboxrestore
  \shipout \vbox{%
    \set@typeset@protect
    \aftergroup \endgroup
    \aftergroup \set@typeset@protect
  \if@specialpage
    \global\@specialpagefalse\@nameuse{ps@\@specialstyle}%
  \fi
  \if@twoside
    \ifodd\count\z@
         \let\@thehead\@oddhead \let\@thefoot\@oddfoot
         \let\@themargin\oddsidemargin
    \else \let\@thehead\@evenhead
       \let\@thefoot\@evenfoot \let\@themargin\evensidemargin
    \fi
  \fi
  \reset@font
  \normalsize
  \normalsfcodes
  \let\label\@gobble
  \let\index\@gobble
  \let\glossary\@gobble
  \baselineskip\z@skip \lineskip\z@skip \lineskiplimit\z@
    \@begindvi
    \vskip \topmargin
    \moveright\@themargin \vbox {%
      \setbox\@tempboxa \vbox to\headheight{%
        \vfil
        \color@hbox
          \normalcolor
          \hb@xt@\textwidth{\@thehead}%
        \color@endbox
        }%
      \dp\@tempboxa \z@
      \box\@tempboxa
      \vskip \headsep
      \box\@outputbox
      \baselineskip \footskip
      \color@hbox
        \normalcolor
        \hb@xt@\textwidth{\@thefoot}%
      \color@endbox
      }%
    }%
  \global\let\if@newlist\@@if@newlist
  \global \@colht \textheight
  \stepcounter{page}%
  \let\firstmark\botmark
}
\EndIncludeInRelease
\IncludeInRelease{2015/01/01}%
  {\@startdblcolumn}{float order in 2-column}%
\def \@startdblcolumn {%
  \@tryfcolumn \@deferlist
  \if@fcolmade
  \else
    \begingroup
      \let \reserved@b \@deferlist
      \global \let \@deferlist \@empty
      \let \@elt \@sdblcolelt
      \reserved@b
    \endgroup
  \fi
}%
\EndIncludeInRelease
\IncludeInRelease{0000/00/00}%
  {\@startdblcolumn}{float order in 2-column}%
\def \@startdblcolumn {%
% \global \@colht \textheight
  \@tryfcolumn \@dbldeferlist
  \if@fcolmade
  \else
    \begingroup
      \let \reserved@b \@dbldeferlist
      \global \let \@dbldeferlist \@empty
      \let \@elt \@sdblcolelt
      \reserved@b
    \endgroup
  \fi
}%
\EndIncludeInRelease
\IncludeInRelease{2015/01/01}{\@xtryfc}%
                             {float order in 2-column}%
\def\@xtryfc #1{%
  \@next\reserved@a\@trylist{}{}%
  \@currtype \count #1%
  \divide\@currtype\@xxxii
  \multiply\@currtype\@xxxii
  \@bitor \@currtype \@failedlist
  \@testfp #1%
  \@testwrongwidth #1%
  \ifdim \ht #1>\@colht
     \@testtrue
  \fi
  \if@test
    \@cons\@failedlist #1%
  \else
    \@ytryfc #1%
  \fi}%
\EndIncludeInRelease
\IncludeInRelease{0000/00/00}{\@xtryfc}%
                             {float order in 2-column}%
\def\@xtryfc #1{%
  \@next\reserved@a\@trylist{}{}%
  \@currtype \count #1%
  \divide\@currtype\@xxxii
  \multiply\@currtype\@xxxii
  \@bitor \@currtype \@failedlist
  \@testfp #1%
  \ifdim \ht #1>\@colht
    \@testtrue
  \fi
  \if@test
    \@cons\@failedlist #1%
  \else
    \@ytryfc #1%
  \fi}%
\EndIncludeInRelease
\IncludeInRelease{2015/01/01}{@ztryfc}%
                             {float order in 2-column}%
\def\@ztryfc #1{%
  \@tempcnta\count #1%
  \divide\@tempcnta\@xxxii
  \multiply\@tempcnta\@xxxii
  \@bitor \@tempcnta {\@failedlist \@flfail}%
  \@testfp #1%
  \@testwrongwidth #1%
  \@tempdimb\@tempdima
  \advance\@tempdimb\ht #1%
  \advance\@tempdimb\@fpsep
  \ifdim \@tempdimb >\@colht
    \@testtrue
  \fi
  \if@test
    \@cons\@flfail #1%
  \else
    \@cons\@flsucceed #1%
    \@tempdima\@tempdimb
  \fi}%
\EndIncludeInRelease
\IncludeInRelease{0000/00/00}{@ztryfc}%
                             {float order in 2-column}%
\def\@ztryfc #1{%
  \@tempcnta \count#1%
  \divide\@tempcnta\@xxxii
  \multiply\@tempcnta\@xxxii
  \@bitor \@tempcnta {\@failedlist \@flfail}%
  \@testfp #1%
  \@tempdimb\@tempdima
  \advance\@tempdimb \ht#1%
  \advance\@tempdimb\@fpsep
  \ifdim \@tempdimb >\@colht
    \@testtrue
  \fi
  \if@test
    \@cons\@flfail #1%
  \else
    \@cons\@flsucceed #1%
    \@tempdima\@tempdimb
  \fi}%
\EndIncludeInRelease
\IncludeInRelease{2015/01/01}%
  {\@addtocurcol}{float order in 2-column}%
\def \@addtocurcol {%
   \@insertfalse
   \@setfloattypecounts
   \ifnum \@fpstype=8
   \else
     \ifnum \@fpstype=24
     \else
       \@flsettextmin
       \advance \@textmin \@textfloatsheight
       \@reqcolroom \@pageht
       \ifdim \@textmin>\@reqcolroom
         \@reqcolroom \@textmin
       \fi
       \advance \@reqcolroom \ht\@currbox
       \ifdim \@colroom>\@reqcolroom
         \@flsetnum \@colnum
         \ifnum \@colnum>\z@
           \@bitor\@currtype\@deferlist
          \@testwrongwidth\@currbox
           \if@test
           \else
             \@bitor\@currtype\@botlist
             \if@test
               \@addtobot
             \else
               \ifodd \count\@currbox
                 \advance \@reqcolroom \intextsep
                 \ifdim \@colroom>\@reqcolroom
                   \global \advance \@colnum \m@ne
                   \global \advance \@textfloatsheight \ht\@currbox
                   \global \advance \@textfloatsheight 2\intextsep
                   \@cons \@midlist \@currbox
                   \if@nobreak
                     \nobreak
                     \@nobreakfalse
                     \everypar{}%
                   \else
                     \addpenalty \interlinepenalty
                   \fi
                   \vskip \intextsep
                   \box\@currbox
                   \penalty\interlinepenalty
                   \vskip\intextsep
                   \ifnum\outputpenalty <-\@Mii \vskip -\parskip\fi
                   \outputpenalty \z@
                   \@inserttrue
                 \fi
               \fi
               \if@insert
               \else
                 \@addtotoporbot
               \fi
             \fi
           \fi
         \fi
       \fi
     \fi
   \fi
   \if@insert
   \else
     \@resethfps
     \@cons\@deferlist\@currbox
   \fi
}%
\EndIncludeInRelease
\IncludeInRelease{0000/00/00}%
  {\@addtocurcol}{float order in 2-column}%
\def \@addtocurcol {%
   \@insertfalse
   \@setfloattypecounts
   \ifnum \@fpstype=8
   \else
     \ifnum \@fpstype=24
     \else
       \@flsettextmin
       \advance \@textmin \@textfloatsheight
       \@reqcolroom \@pageht
       \ifdim \@textmin>\@reqcolroom
         \@reqcolroom \@textmin
       \fi
       \advance \@reqcolroom \ht\@currbox
       \ifdim \@colroom>\@reqcolroom
         \@flsetnum \@colnum
         \ifnum \@colnum>\z@
           \@bitor\@currtype\@deferlist
           \if@test
           \else
             \@bitor\@currtype\@botlist
             \if@test
               \@addtobot
             \else
               \ifodd \count\@currbox
                 \advance \@reqcolroom \intextsep
                 \ifdim \@colroom>\@reqcolroom
                  \global \advance \@colnum \m@ne
                  \global \advance
                   \@textfloatsheight\ht\@currbox
                  \global \advance
                   \@textfloatsheight 2\intextsep
                   \@cons \@midlist \@currbox
                   \if@nobreak
                     \nobreak
                     \@nobreakfalse
                     \everypar{}%
                   \else
                     \addpenalty\interlinepenalty
                   \fi
                   \vskip \intextsep
                   \box\@currbox
                   \penalty\interlinepenalty
                   \vskip\intextsep
                   \ifnum\outputpenalty
                               <-\@Mii \vskip
                        -\parskip\fi
                   \outputpenalty \z@
                   \@inserttrue
                 \fi
               \fi
               \if@insert
               \else
                 \@addtobot
               \fi
             \fi
           \fi
         \fi
       \fi
     \fi
   \fi
   \if@insert
   \else
     \@resethfps
     \@cons\@deferlist\@currbox
   \fi
  }%
\EndIncludeInRelease
\IncludeInRelease{2015/01/01}
  {\@addtonextcol}{float order in 2-column}%
\def\@addtonextcol{%
  \begingroup
   \@insertfalse
   \@setfloattypecounts
   \ifnum \@fpstype=8
   \else
     \ifnum \@fpstype=24
     \else
       \@flsettextmin
       \@reqcolroom \ht\@currbox
       \advance \@reqcolroom \@textmin
       \ifdim \@colroom>\@reqcolroom
         \@flsetnum \@colnum
         \ifnum\@colnum>\z@
            \@bitor\@currtype\@deferlist
            \@testwrongwidth\@currbox
            \if@test
            \else
              \@addtotoporbot
            \fi
         \fi
       \fi
     \fi
   \fi
   \if@insert
   \else
     \@cons\@deferlist\@currbox
   \fi
  \endgroup
}%
\EndIncludeInRelease
\IncludeInRelease{0000/00/00}%
  {\@addtonextcol}{float order in 2-column}%
\def\@addtonextcol{%
  \begingroup
   \@insertfalse
   \@setfloattypecounts
   \ifnum \@fpstype=8
   \else
     \ifnum \@fpstype=24
     \else
       \@flsettextmin
       \@reqcolroom \ht\@currbox
       \advance \@reqcolroom \@textmin
       \ifdim \@colroom>\@reqcolroom
         \@flsetnum \@colnum
         \ifnum\@colnum>\z@
            \@bitor\@currtype\@deferlist
            \if@test
            \else
              \@addtotoporbot
            \fi
         \fi
       \fi
     \fi
   \fi
   \if@insert
   \else
     \@cons\@deferlist\@currbox
   \fi
  \endgroup
}%
\EndIncludeInRelease
\IncludeInRelease{2015/01/01}%
  {\@addtodblcol}{float order in 2-column}%
\def\@addtodblcol{%
  \begingroup
   \@insertfalse
   \@setfloattypecounts
   \@getfpsbit \tw@
   \ifodd\@tempcnta
     \@flsetnum \@dbltopnum
     \ifnum \@dbltopnum>\z@
       \@tempswafalse
       \ifdim \@dbltoproom>\ht\@currbox
         \@tempswatrue
       \else
         \ifnum \@fpstype<\sixt@@n
           \advance \@dbltoproom \@textmin
           \ifdim \@dbltoproom>\ht\@currbox
             \@tempswatrue
           \fi
           \advance \@dbltoproom -\@textmin
         \fi
       \fi
       \if@tempswa
           \@bitor \@currtype \@deferlist
          \@testwrongwidth\@currbox
           \if@test
           \else
              \@tempdima -\ht\@currbox
              \advance\@tempdima
                -\ifx \@dbltoplist\@empty \dbltextfloatsep \else
                                          \dblfloatsep \fi
              \global \advance \@dbltoproom \@tempdima
              \global \advance \@colht \@tempdima
              \global \advance \@dbltopnum \m@ne
              \@cons \@dbltoplist \@currbox
              \@inserttrue
           \fi
       \fi
     \fi
   \fi
   \if@insert
   \else
     \@cons\@deferlist\@currbox
   \fi
  \endgroup
}%
\EndIncludeInRelease
\IncludeInRelease{0000/00/00}%
  {\@addtodblcol}{float order in 2-column}%
\def\@addtodblcol{%
  \begingroup
   \@insertfalse
   \@setfloattypecounts
   \@getfpsbit \tw@
   \ifodd\@tempcnta
     \@flsetnum \@dbltopnum
     \ifnum \@dbltopnum>\z@
       \@tempswafalse
       \ifdim \@dbltoproom>\ht\@currbox
         \@tempswatrue
       \else
         \ifnum \@fpstype<\sixt@@n
           \advance \@dbltoproom \@textmin
           \ifdim \@dbltoproom>\ht\@currbox
             \@tempswatrue
           \fi
           \advance \@dbltoproom -\@textmin
         \fi
       \fi
       \if@tempswa
           \@bitor \@currtype \@dbldeferlist
           \if@test
           \else
              \@tempdima -\ht\@currbox
              \advance\@tempdima
                -\ifx \@dbltoplist\@empty
                      \dbltextfloatsep
                 \else \dblfloatsep \fi
              \global \advance \@dbltoproom \@tempdima
              \global \advance \@colht \@tempdima
              \global \advance \@dbltopnum \m@ne
              \@cons \@dbltoplist \@currbox
              \@inserttrue
           \fi
       \fi
     \fi
   \fi
   \if@insert
   \else
     \@cons\@dbldeferlist\@currbox
   \fi
  \endgroup
}%
\EndIncludeInRelease
\IncludeInRelease{2017/01/01}%
  {\@makefcolumn}{negative height floats}%
\def\@makefcolumn #1{%
  \begingroup
    \@fpmin -\maxdimen
    \let \@testfp \@gobble
    \@tryfcolumn #1%
  \endgroup
}
\EndIncludeInRelease
\IncludeInRelease{0000/00/00}%
  {\@makefcolumn}{negative height floats}%
\def\@makefcolumn #1{%
  \begingroup
    \@fpmin \z@
    \let \@testfp \@gobble
    \@tryfcolumn #1%
  \endgroup
}
\EndIncludeInRelease
\IncludeInRelease{2015/01/01}%
  {\@outputdblcol}{2 column marks}%
\def\@outputdblcol{%
  \if@firstcolumn
    \global\@firstcolumnfalse
    \global\setbox\@leftcolumn\copy\@outputbox
    \splitmaxdepth\maxdimen
    \vbadness\maxdimen
     \setbox\@outputbox\vbox{\unvbox\@outputbox\unskip}%
     \setbox\@outputbox\vsplit\@outputbox to\maxdimen
    \toks@\expandafter{\topmark}%
    \xdef\@firstcoltopmark{\the\toks@}%
    \toks@\expandafter{\splitfirstmark}%
    \xdef\@firstcolfirstmark{\the\toks@}%
    \ifx\@firstcolfirstmark\@empty
      \global\let\@setmarks\relax
    \else
      \gdef\@setmarks{%
        \let\firstmark\@firstcolfirstmark
        \let\topmark\@firstcoltopmark}%
    \fi
  \else
    \global\@firstcolumntrue
    \setbox\@outputbox\vbox{%
     \hb@xt@\textwidth{%
        \hb@xt@\columnwidth{\box\@leftcolumn \hss}%
        \hfil
        {\normalcolor\vrule \@width\columnseprule}%
        \hfil
       \hb@xt@\columnwidth{\box\@outputbox \hss}}}%
  \@combinedblfloats
    \@setmarks
    \@outputpage
    \begingroup
      \@dblfloatplacement
      \@startdblcolumn
      \@whilesw\if@fcolmade \fi{\@outputpage
     \@startdblcolumn}%
    \endgroup
  \fi}%
\EndIncludeInRelease
\IncludeInRelease{0000/00/00}%
  {\@outputdblcol}{2 column marks}%
\def\@outputdblcol{%
  \if@firstcolumn
    \global \@firstcolumnfalse
    \global \setbox\@leftcolumn \box\@outputbox
  \else
    \global \@firstcolumntrue
    \setbox\@outputbox \vbox {%
                         \hb@xt@\textwidth {%
                           \hb@xt@\columnwidth {%
                             \box\@leftcolumn \hss}%
                           \hfil
                           {\normalcolor\vrule
                               \@width\columnseprule}%
                           \hfil
                           \hb@xt@\columnwidth {%
                             \box\@outputbox \hss}%
                                             }%
                              }%
    \@combinedblfloats
    \@outputpage
    \begingroup
      \@dblfloatplacement
      \@startdblcolumn
      \@whilesw\if@fcolmade \fi
        {\@outputpage
         \@startdblcolumn}%
    \endgroup
  \fi
}%
\EndIncludeInRelease
%%% From File: ltclass.dtx

\IncludeInRelease{2020/10/01}{\@pushfilename}%
  {Add \@expl@push@filename@@ and \@expl@push@filename@aux@@}%
\def\@pushfilename{%
  \@expl@@@hook@curr@name@push@@n{}%
  \@expl@push@filename@@
  \xdef\@currnamestack{%
    {\@currname}%
    {\@currext}%
    {\the\catcode`\@}%
    \@currnamestack}%
  \@expl@push@filename@aux@@}
\EndIncludeInRelease

\IncludeInRelease{2020/02/02}{\@pushfilename}%
  {Add \@expl@push@filename@@}%
\def\@pushfilename{%
  \@expl@push@filename@@
  \xdef\@currnamestack{%
    {\@currname}%
    {\@currext}%
    {\the\catcode`\@}%
    \@currnamestack}%
    \@expl@push@filename@aux@@}
\EndIncludeInRelease

\IncludeInRelease{0000/00/00}{\@pushfilename}%
  {Add \@expl@push@filename@@ and \@expl@push@filename@aux@@}%
\def\@pushfilename{%
  \xdef\@currnamestack{%
    {\@currname}%
    {\@currext}%
    {\the\catcode`\@}%
    \@currnamestack}}
\EndIncludeInRelease
\@onlypreamble\@pushfilename

\IncludeInRelease{2020/10/01}{\@popfilename}%
  {Add \@expl@pop@filename@@}%
\def\@popfilename{\@expl@@@hook@curr@name@pop@@
  \expandafter\@p@pfilename\@currnamestack\@nil
  \@expl@pop@filename@@}
\EndIncludeInRelease

\IncludeInRelease{2020/02/02}{\@popfilename}%
  {Add \@expl@push@filename@@}%
\def\@popfilename{\expandafter\@p@pfilename\@currnamestack\@nil
  \@expl@pop@filename@@}
\EndIncludeInRelease

\IncludeInRelease{0000/00/00}{\@popfilename}%
  {Add \@expl@push@filename@@ and \@expl@push@filename@aux@@}%
\def\@popfilename{\expandafter\@p@pfilename\@currnamestack\@nil}
\EndIncludeInRelease
\@onlypreamble\@popfilename
\IncludeInRelease{2020/10/01}%
                 {\IfFormatAtLeastTF}{Test format date}%
\def\IfFormatAtLeastTF{\@ifl@t@r\fmtversion}
\let\IfPackageAtLeastTF\@ifpackagelater
\let\IfClassAtLeastTF\@ifclasslater
\@onlypreamble\IfFormatAtLeastTF
\@onlypreamble\IfPackageAtLeastTF
\@onlypreamble\IfClassAtLeastTF
\EndIncludeInRelease
\IncludeInRelease{0000/00/00}%
                 {\IfFormatAtLeastTF}{Test format date}%
\def\IfFormatAtLeastTF{\@ifl@t@r\fmtversion}
\let\IfPackageAtLeastTF\@ifpackagelater
\let\IfClassAtLeastTF\@ifclasslater
\EndIncludeInRelease
\IncludeInRelease{2018/04/01}%
                 {\@ifl@t@r}{Guard against bad input}%
\def\@ifl@t@r#1#2{%
  \ifnum\expandafter\@parse@version@#1//00\@nil<%
        \expandafter\@parse@version@#2//00\@nil
    \expandafter\@secondoftwo
  \else
    \expandafter\@firstoftwo
  \fi}
\def\@parse@version@#1{\@parse@version0#1}
\EndIncludeInRelease
\IncludeInRelease{0000/00/00}%
                 {\@ifl@t@r}{Guard against bad input}%
\def\@ifl@t@r#1#2{%
  \ifnum\expandafter\@parse@version#1//00\@nil<%
        \expandafter\@parse@version#2//00\@nil
    \expandafter\@secondoftwo
  \else
    \expandafter\@firstoftwo
  \fi}
\let\@parse@version@\@undefined
\EndIncludeInRelease
\IncludeInRelease{2017/01/01}%
                 {\@if@pti@ns}{Spaces in option clash check}%
\def\@if@pti@ns#1#2{%
 \let\reserved@a\@firstoftwo
 \edef\reserved@b{\zap@space#2 \@empty}%
 \@for\reserved@b:=\reserved@b\do{%
   \ifx\reserved@b\@empty
   \else
     \expandafter\in@\expandafter{\expandafter,\reserved@b,}{,#1,}%
     \ifin@
     \else
       \let\reserved@a\@secondoftwo
     \fi
   \fi
 }%
 \reserved@a}
\EndIncludeInRelease
\IncludeInRelease{0000/00/00}%
                 {\@if@pti@ns}{Spaces in option clash check}%
\def\@if@pti@ns#1#2{%
 \let\reserved@a\@firstoftwo
 \@for\reserved@b:=#2\do{%
  \ifx\reserved@b\@empty
   \else
   \expandafter\in@\expandafter
                   {\expandafter,\reserved@b,}{,#1,}%
    \ifin@
    \else
     \let\reserved@a\@secondoftwo
    \fi
  \fi
 }%
 \reserved@a}
\EndIncludeInRelease
\IncludeInRelease{2020/10/01}%
                 {\@pr@videpackage}{Allow for package subsitution}%
\def\@pr@videpackage[#1]{%
  \expandafter\protected@xdef                %     <-- protected...
     \csname ver@\@currname.\@currext\endcsname{#1}% Loaded package
  \expandafter\let
    \csname ver@\@currpkg@reqd\expandafter\endcsname % Requested package
    \csname ver@\@currname.\@currext\endcsname
  \ifx\@currext\@clsextension
    \typeout{Document Class: \@gtempa\space#1}%
  \else
    \protected@wlog{Package: \@gtempa\space#1}%   <--- protected
  \fi}
\long\def\protected@wlog#1{\begingroup
  \set@display@protect
  \immediate \write \m@ne {#1}\endgroup }
\EndIncludeInRelease
\IncludeInRelease{2020/02/02}%
                 {\@pr@videpackage}{Protection for package info}%

\def\@pr@videpackage[#1]{%
  \expandafter\protected@xdef                %     <-- protected...
     \csname ver@\@currname.\@currext\endcsname{#1}%
\ifx\@currext\@clsextension
    \typeout{Document Class: \@gtempa\space#1}%
  \else
    \protected@wlog{Package: \@gtempa\space#1}%   <--- protected
  \fi}

\EndIncludeInRelease
\IncludeInRelease{0000/00/00}%
                 {\@pr@videpackage}{Protection for package info}%

\def\@pr@videpackage[#1]{%
  \expandafter\xdef\csname ver@\@currname.\@currext\endcsname{#1}%
  \ifx\@currext\@clsextension
    \typeout{Document Class: \@gtempa\space#1}%
  \else
    \wlog{Package: \@gtempa\space#1}%
  \fi}
\let\protected@wlog\@undefined

\EndIncludeInRelease
\IncludeInRelease{2020/10/01}{\@pass@ptions}
  {Add file replacement in \@pass@ptions}%
\def\@pass@ptions#1#2#3{%
  \@expl@@@filehook@set@curr@file@@nNN
    {\@expl@@@filehook@resolve@file@subst@@w #3.#1\@nil}%
      \reserved@a\reserved@b
  \expandafter\xdef\csname opt@\reserved@a\endcsname{%
    \@ifundefined{opt@\reserved@a}\@empty
      {\csname opt@\reserved@a\endcsname,}%
    \zap@space#2 \@empty}}
\EndIncludeInRelease
\IncludeInRelease{0000/00/00}{\@pass@ptions}
  {\@pass@ptions}%
\def\@pass@ptions#1#2#3{%
  \expandafter\xdef\csname opt@#3.#1\endcsname{%
    \@ifundefined{opt@#3.#1}\@empty
      {\csname opt@#3.#1\endcsname,}%
    \zap@space#2 \@empty}}
\EndIncludeInRelease
\IncludeInRelease{2020/10/01}%
                 {\@process@pti@ns}{Unused options issue}%
\def\@process@pti@ns{%
  \@for\CurrentOption:=\@curroptions\do{%
    \@ifundefined{ds@\CurrentOption}%
      {\@use@ption
       \default@ds}%
      \@use@ption}%
  \@for\CurrentOption:=\@declaredoptions\do{%
    \expandafter\let\csname ds@\CurrentOption\endcsname\relax}%
  \let\CurrentOption\@empty
  \let\@fileswith@pti@ns\@@fileswith@pti@ns
  \AtEndOfPackage{\expandafter\let
                     \csname unprocessedoptions-\@currname.\@currext\endcsname
                     \relax}}
\@onlypreamble\@process@pti@ns
\EndIncludeInRelease
\IncludeInRelease{0000/00/00}%
                 {\@process@pti@ns}{Unused options issue}%

\def\@process@pti@ns{%
  \@for\CurrentOption:=\@curroptions\do{%
    \@ifundefined{ds@\CurrentOption}%
      {\@use@ption
       \default@ds}%
      \@use@ption}%
  \@for\CurrentOption:=\@declaredoptions\do{%
    \expandafter\let\csname ds@\CurrentOption\endcsname\relax}%
  \let\CurrentOption\@empty
  \let\@fileswith@pti@ns\@@fileswith@pti@ns
  \AtEndOfPackage{\let\@unprocessedoptions\relax}}
\EndIncludeInRelease
\IncludeInRelease{2017/01/01}%
                 {\ExecuteOptions}{Spaces in \ExecuteOptions}%
\def\ExecuteOptions#1{%
  \edef\@fortmp{\zap@space#1 \@empty}%
  \def\reserved@a##1\@nil{%
    \@for\CurrentOption:=\@fortmp\do
             {\csname ds@\CurrentOption\endcsname}%
    \edef\CurrentOption{##1}}%
  \expandafter\reserved@a\CurrentOption\@nil}
\EndIncludeInRelease
\IncludeInRelease{0000/00/00}%
                 {\ExecuteOptions}{Spaces in \ExecuteOptions}%
\def\ExecuteOptions#1{%
  \def\reserved@a##1\@nil{%
    \@for\CurrentOption:=#1\do
             {\csname ds@\CurrentOption\endcsname}%
    \edef\CurrentOption{##1}}%
  \expandafter\reserved@a\CurrentOption\@nil}
\EndIncludeInRelease
\IncludeInRelease{2020/10/01}%
                 {\RequirePackageWithOptions}{Unused options issue}%
\def\RequirePackageWithOptions{%
  \AtEndOfPackage{\expandafter\let
                    \csname unprocessedoptions-\@currname.\@currext\endcsname
                    \relax}%
  \@loadwithoptions\@pkgextension\RequirePackage}
\@onlypreamble\RequirePackageWithOptions
\EndIncludeInRelease
\IncludeInRelease{0000/00/00}%
                 {\RequirePackageWithOptions}{Unused options issue}%

\def\RequirePackageWithOptions{%
  \AtEndOfPackage{\let\@unprocessedoptions\relax}%
  \@loadwithoptions\@pkgextension\RequirePackage}
\EndIncludeInRelease
\IncludeInRelease{2017/01/01}%
        {\@fileswith@pti@ns}{ifx tests in \@fileswith@pti@ns}%
\def\@fileswith@pti@ns#1[#2]#3[#4]{%
  \ifx#1\@clsextension
    \ifx\@classoptionslist\relax
      \xdef\@classoptionslist{\zap@space#2 \@empty}%
      \def\reserved@a{%
        \@onefilewithoptions#3[{#2}][{#4}]#1%
        \@documentclasshook}%
    \else
      \def\reserved@a{%
        \@onefilewithoptions#3[{#2}][{#4}]#1}%
    \fi
  \else
    \def\reserved@b##1,{%
      \ifx\@nnil##1\relax\else
        \ifx\@nnil##1\@nnil\else
         \noexpand\@onefilewithoptions##1[{#2}][{#4}]%
         \noexpand\@pkgextension
        \fi
        \expandafter\reserved@b
      \fi}%
      \edef\reserved@a{\zap@space#3 \@empty}%
      \edef\reserved@a{\expandafter\reserved@b\reserved@a,\@nnil,}%
  \fi
  \reserved@a}
\EndIncludeInRelease
\IncludeInRelease{0000/00/00}%
        {\@fileswith@pti@ns}{ifx tests in \@fileswith@pti@ns}%
\def\@fileswith@pti@ns#1[#2]#3[#4]{%
  \ifx#1\@clsextension
    \ifx\@classoptionslist\relax
      \xdef\@classoptionslist{\zap@space#2 \@empty}%
      \def\reserved@a{%
        \@onefilewithoptions#3[{#2}][{#4}]#1%
        \@documentclasshook}%
    \else
      \def\reserved@a{%
        \@onefilewithoptions#3[{#2}][{#4}]#1}%
    \fi
  \else
    \def\reserved@b##1,{%
      \ifx\@nil##1\relax\else
        \ifx\relax##1\relax\else
         \noexpand\@onefilewithoptions##1[{#2}][{#4}]%
         \noexpand\@pkgextension
        \fi
        \expandafter\reserved@b
      \fi}%
      \edef\reserved@a{\zap@space#3 \@empty}%
      \edef\reserved@a{%
        \expandafter\reserved@b\reserved@a,\@nil,}%
  \fi
  \reserved@a}
\EndIncludeInRelease
\IncludeInRelease{2020/10/01}%
      {\@onefilewithoptions}{Hooks and unused options issue}%
\def\@onefilewithoptions#1[#2][#3]#4{%
  \@pushfilename
  \xdef\@currname{#1}%
  \global\let\@currext#4%
  \@ifl@aded\@currext\@currname
    {\@if@ptions\@currext{\@currname}{#2}{}%
      {\@latex@error
        {Option clash for \@cls@pkg\space \@currname}%
        {The package \@currname\space has already been loaded
         with options:\MessageBreak
         \space\space[\@ptionlist{\@currname.\@currext}]\MessageBreak
         There has now been an attempt to load it
          with options\MessageBreak
         \space\space[#2]\MessageBreak
         Adding the global options:\MessageBreak
         \space\space
              \@ptionlist{\@currname.\@currext},#2\MessageBreak
         to your \noexpand\documentclass declaration may fix this.%
         \MessageBreak
         Try typing \space <return> \space to proceed.}}%
     \@firstofone}%
    {\makeatletter
     \@reset@ptions
     \IfFileExists{\@currname.\@currext}{}%
       {\@missing@onefilewithoptions{#2}}%
     \ifx\@currname\@empty
       \expandafter\@gobble
     \else
       \@disable@packageload@do{\@currname.\@currext}%
         {\@expl@@@filehook@file@push@@
          \set@curr@file{\@currname.\@currext}%
          \@filehook@set@CurrentFile
          \expandafter\@swaptwoargs\expandafter
            {\expandafter{\@currpkg@reqd}}%
            {% <
          \edef\@currpkg@reqd{\@currname.\@currext}%
          \ifx\CurrentFile\CurrentFileUsed
          \else
            \filename@parse\@curr@file
            \edef\@currname{\string@makeletter\filename@base}%
            \edef\@currext{\string@makeletter\filename@ext}%
          \fi
          \load@onefile@withoptions{#2}%
          \def\@currpkg@reqd%{\@currpkg@reqd}
            }% >
          \@expl@@@filehook@file@pop@@}%
       \expandafter\@firstofone
     \fi}%
    {\@ifl@ter\@currext{\@currname}{#3}{}%
      {\@latex@warning@no@line
        {You have requested,\on@line,
         version\MessageBreak
           `#3' of \@cls@pkg\space \@currname,\MessageBreak
         but only version\MessageBreak
          `\csname ver@\@currname.\@currext\endcsname'\MessageBreak
         is available}}%
     \ifx\@currext\@clsextension\let\LoadClass\@twoloadclasserror\fi}%
    \@popfilename
    \@reset@ptions}
\let\@currpkg@reqd\@empty
\@onlypreamble\@onefilewithoptions
\let\@unprocessedoptions\@undefined
\def\@missing@onefilewithoptions#1{%
  \@missingfileerror\@currname\@currext
  \xdef\@currname{\@missingfile@area\@missingfile@base}%
  \global\let\@currext\@missingfile@ext}
\def\load@onefile@withoptions#1{%
  \let\CurrentOption\@empty
  \@reset@ptions
  \def\reserved@a{%
    \@pass@ptions\@currext{#1}{\@currname}%
    \global\expandafter
    \let\csname ver@\@currname.\@currext\endcsname\@empty
    \expandafter\let\csname\@currname.\@currext-h@@k\endcsname\@empty
    \ifx\@currext\@pkgextension
      \UseHook{package/before}%
      \UseHook{package/before/\@currname}%
    \else
      \ifx\@currext\@clsextension
        \UseHook{class/before}%
        \UseHook{class/before/\@currname}%
      \fi
    \fi
    \InputIfFileExists{\@currpkg@reqd}{}%
      {\@latex@error
        {The \@cls@pkg\space\@currpkg@reqd\space failed to load.}\@ehd}%
    \expandafter\let\csname unprocessedoptions-\@currname.\@currext\endcsname
                    \@@unprocessedoptions
    \csname\@currname.\@currext-h@@k\endcsname
    \expandafter\let\csname\@currname.\@currext-h@@k\endcsname
              \@undefined
    \ifx\@unprocessedoptions\relax
      \let\@unprocessedoptions\@undefined
    \else
      \csname unprocessedoptions-\@currname.\@currext\endcsname
    \fi
    \expandafter\let
        \csname unprocessedoptions-\@currname.\@currext\endcsname
       \@undefined
    \ifx\@currext\@pkgextension
      \UseHook{package/after/\@currname}%
      \UseHook{package/after}%
    \else
      \ifx\@currext\@clsextension
        \UseHook{class/after/\@currname}%
        \UseHook{class/after}%
      \fi
    \fi}%
  \@ifl@aded\@currext\@currname{}{\reserved@a}}
\EndIncludeInRelease
\IncludeInRelease{0000/00/00}%
      {\@onefilewithoptions}{Hooks and unused options issue}%

\def\load@onefilewithoptions#1[#2][#3]#4{%
  \@pushfilename
  \xdef\@currname{#1}%
  \global\let\@currext#4%
  \let\CurrentOption\@empty
  \@reset@ptions
  \makeatletter
  \def\reserved@a{%
    \@ifl@aded\@currext{#1}%
      {\@if@ptions\@currext{#1}{#2}{}%
        {\@latex@error
            {Option clash for \@cls@pkg\space #1}%
            {The package #1 has already been loaded
             with options:\MessageBreak
             \space\space[\@ptionlist{#1.\@currext}]\MessageBreak
             There has now been an attempt to load it
              with options\MessageBreak
             \space\space[#2]\MessageBreak
             Adding the global options:\MessageBreak
             \space\space
                  \@ptionlist{#1.\@currext},#2\MessageBreak
             to your \noexpand\documentclass declaration may fix this.%
             \MessageBreak
             Try typing \space <return> \space to proceed.}}}%
      {\@pass@ptions\@currext{#2}{#1}%
       \global\expandafter
       \let\csname ver@\@currname.\@currext\endcsname\@empty
       \expandafter\let\csname\@currname.\@currext-h@@k\endcsname\@empty
       \InputIfFileExists
         {\@currname.\@currext}%
         {}%
         {\@missingfileerror\@currname\@currext}%
    \let\@unprocessedoptions\@@unprocessedoptions
    \csname\@currname.\@currext-h@@k\endcsname
    \expandafter\let\csname\@currname.\@currext-h@@k\endcsname
              \@undefined
    \@unprocessedoptions}%
    \@ifl@ter\@currext{#1}{#3}{}%
      {\@latex@warning@no@line
         {You have requested,\on@line,
          version\MessageBreak
            `#3' of \@cls@pkg\space #1,\MessageBreak
          but only version\MessageBreak
           `\csname ver@#1.\@currext\endcsname'\MessageBreak
          is available}}%
    \ifx\@currext\@clsextension\let\LoadClass\@twoloadclasserror\fi
    \@popfilename
    \@reset@ptions}%
  \reserved@a}

\let \load@onefile@withoptions    \@undefined
\let \@missing@onefilewithoptions \@undefined

\EndIncludeInRelease
\IncludeInRelease{2020/10/01}%
                 {\AtBeginDocument}{Use hook system}%
\DeclareRobustCommand\AtBeginDocument{\AddToHook{begindocument}}
\DeclareRobustCommand\AtEndDocument  {\AddToHook{enddocument}}
\EndIncludeInRelease
\IncludeInRelease{0000/00/00}%
                 {\AtBeginDocument}{Use hook system}%

\DeclareRobustCommand\AtBeginDocument{\g@addto@macro\@begindocumenthook}
\DeclareRobustCommand\AtEndDocument{\g@addto@macro\@enddocumenthook}

\EndIncludeInRelease
\IncludeInRelease{2020/10/01}%
                 {\filec@ntents}{Define \q@curr@file directly (gh/220)}%
\def\filecontents{\@tempswatrue\@fileswtrue
  \@ifnextchar[\filec@ntents@opt\filec@ntents
}
\@namedef{filecontents*}{\@tempswafalse\@fileswtrue
  \@ifnextchar[\filec@ntents@opt\filec@ntents
}
\def\filec@ntents@opt[#1]{%
  \edef\@fortmp{\zap@space#1 \@empty}%
  \@for\reserved@a:=\@fortmp\do{%
    \ifcsname filec@ntents@\reserved@a\endcsname
      \csname filec@ntents@\reserved@a\endcsname
    \else
    \@latex@error{Unknown filecontents option \reserved@a}%
       {Valid options are force (or overwrite), nosearch, noheader}%
    \fi}%
  \filec@ntents
}
\let\filec@ntents@force\@fileswfalse
\let\filec@ntents@overwrite\@fileswfalse  % alternative name
\let\filec@ntents@noheader\@tempswafalse
\def\filec@ntents@nosearch{%
  \let\filec@ntents@checkdir\@currdir
  \def\filec@ntents@where{in current directory}}
\let\filec@ntents@checkdir\@empty
\def\filec@ntents@where{exists on the system}
\begingroup%
\@tempcnta=1
\loop
  \catcode\@tempcnta=12  %
  \advance\@tempcnta\@ne %
\ifnum\@tempcnta<32      %
\repeat                  %
\catcode`\*=11 %
\catcode`\^^M\active%
\catcode`\^^L\active\let^^L\relax%
\catcode`\^^I\active%
\gdef\filec@ntents#1{%
  \set@curr@file{\filec@ntents@checkdir#1}%
  \edef\q@curr@file{"\@curr@file"}%
  \chardef\reserved@c\ifx\directlua\@undefined 15 \else 127 \fi%
  \openin\@inputcheck\q@curr@file \space %
  \ifeof\@inputcheck%
    \@latex@warning@no@line%
        {Writing file `\@currdir\@curr@file'}%
    \ch@ck7\reserved@c\write\relax%
    \immediate\openout\reserved@c\q@curr@file\relax%
  \else%
    \if@filesw%
      \@latex@warning@no@line%
          {File `\@curr@file' already \filec@ntents@where.\MessageBreak%
             Not generating it from this source}%
      \let\write\@gobbletwo%
      \let\closeout\@gobble%
    \else%
      \edef\reserved@a{#1}%
      \edef\reserved@a{\detokenize\expandafter{\reserved@a}}%
      \edef\reserved@b{\detokenize\expandafter{\jobname}}%
      \ifx\reserved@a\reserved@b%
        \@fileswtrue%
      \else%
        \edef\reserved@b{\reserved@b\detokenize{.tex}}%
        \ifx\reserved@a\reserved@b
          \@fileswtrue%
        \fi%
      \fi%
      \ch@ck7\reserved@c\write\relax%
      \if@filesw%  % Foul ... trying to overwrite \jobname!
      \@latex@error{Trying to overwrite `\jobname.tex'}{You can't %
        write to the file you are reading from!\MessageBreak%
        Data is written to screen instead.}%
      \else%
        \@latex@warning@no@line%
           {Writing or overwriting file `\@currdir\@curr@file'}%
        \immediate\openout\reserved@c\q@curr@file\relax%
      \fi%
    \fi%
  \fi%
  \closein\@inputcheck%
  \if@tempswa%
    \immediate\write\reserved@c{%
      \@percentchar\@percentchar\space%
          \expandafter\@gobble\string\LaTeX2e file `\@curr@file'^^J%
      \@percentchar\@percentchar\space  generated by the %
        `\@currenvir' \expandafter\@gobblefour\string\newenvironment^^J%
      \@percentchar\@percentchar\space from source `\jobname' on %
         \number\year/\two@digits\month/\two@digits\day.^^J%
      \@percentchar\@percentchar}%
  \fi%
  \let\do\@makeother\dospecials%
  \count@ 128\relax%
  \loop%
    \catcode\count@ 11\relax%
    \advance\count@ \@ne%
    \ifnum\count@<\@cclvi%
  \repeat%
  \edef\E{\@backslashchar end\string{\@currenvir\string}}%
  \edef\reserved@b{%
    \def\noexpand\reserved@b%
         ####1\E####2\E####3\relax}%
  \reserved@b{%
    \ifx\relax##3\relax%
      \immediate\write\reserved@c{##1}%
    \else%
      \edef^^M{\noexpand\end{\@currenvir}}%
      \ifx\relax##1\relax%
      \else%
          \@latex@warning{Writing text `##1' before %
             \string\end{\@currenvir}\MessageBreak as last line of \@curr@file}%
        \immediate\write\reserved@c{##1}%
      \fi%
      \ifx\relax##2\relax%
      \else%
         \@latex@warning{%
           Ignoring text `##2' after \string\end{\@currenvir}}%
      \fi%
    \fi%
    ^^M}%
  \catcode`\^^L\active%
  \let\L\@undefined%
  \def^^L{\expandafter\ifx\csname L\endcsname\relax\fi ^^J^^J}%
  \catcode`\^^I\active%
  \let\I\@undefined%
  \def^^I{\expandafter\ifx\csname I\endcsname\relax\fi\space}%
  \catcode`\^^M\active%
  \edef^^M##1^^M{%
    \noexpand\reserved@b##1\E\E\relax}}%
\endgroup%
\EndIncludeInRelease
\IncludeInRelease{2019/10/01}%
                 {\filec@ntents}{Spaces in file names + optional arg}%
\def\filecontents{\@tempswatrue\@fileswtrue
  \@ifnextchar[\filec@ntents@opt\filec@ntents
}
\@namedef{filecontents*}{\@tempswafalse\@fileswtrue
  \@ifnextchar[\filec@ntents@opt\filec@ntents
}
\def\filec@ntents@opt[#1]{%
  \edef\@fortmp{\zap@space#1 \@empty}%
  \@for\reserved@a:=\@fortmp\do{%
    \ifcsname filec@ntents@\reserved@a\endcsname
      \csname filec@ntents@\reserved@a\endcsname
    \else
    \@latex@error{Unknown filecontents option \reserved@a}%
       {Valid options are force (or overwrite), nosearch, noheader}%
    \fi}%
  \filec@ntents
}
\let\filec@ntents@force\@fileswfalse
\let\filec@ntents@overwrite\@fileswfalse  % alternative name
\let\filec@ntents@noheader\@tempswafalse
\def\filec@ntents@nosearch{%
  \let\filec@ntents@checkdir\@currdir
  \def\filec@ntents@where{in current directory}}
\let\filec@ntents@checkdir\@empty
\def\filec@ntents@where{exists on the system}
\begingroup%
\@tempcnta=1
\loop
  \catcode\@tempcnta=12  %
  \advance\@tempcnta\@ne %
\ifnum\@tempcnta<32      %
\repeat                  %
\catcode`\*=11 %
\catcode`\^^M\active%
\catcode`\^^L\active\let^^L\relax%
\catcode`\^^I\active%
\gdef\filec@ntents#1{%
  \set@curr@file{\filec@ntents@checkdir#1}%
  \edef\q@curr@file{\expandafter\quote@name\expandafter{\@curr@file}}%
  \chardef\reserved@c\ifx\directlua\@undefined 15 \else 127 \fi%
  \openin\@inputcheck\q@curr@file \space %
  \ifeof\@inputcheck%
    \@latex@warning@no@line%
        {Writing file `\@currdir\@curr@file'}%
    \ch@ck7\reserved@c\write\relax%
    \immediate\openout\reserved@c\q@curr@file\relax%
  \else%
    \if@filesw%
      \@latex@warning@no@line%
          {File `\@curr@file' already \filec@ntents@where.\MessageBreak%
             Not generating it from this source}%
      \let\write\@gobbletwo%
      \let\closeout\@gobble%
    \else%
      \edef\reserved@a{#1}%
      \edef\reserved@a{\detokenize\expandafter{\reserved@a}}%
      \edef\reserved@b{\detokenize\expandafter{\jobname}}%
      \ifx\reserved@a\reserved@b%
        \@fileswtrue%
      \else%
        \edef\reserved@b{\reserved@b\detokenize{.tex}}%
        \ifx\reserved@a\reserved@b
          \@fileswtrue%
        \fi%
      \fi%
      \ch@ck7\reserved@c\write\relax%
      \if@filesw%  % Foul ... trying to overwrite \jobname!
      \@latex@error{Trying to overwrite `\jobname.tex'}{You can't %
        write to the file you are reading from!\MessageBreak%
        Data is written to screen instead.}%
      \else%
        \@latex@warning@no@line%
           {Writing or overwriting file `\@currdir\@curr@file'}%
        \immediate\openout\reserved@c\q@curr@file\relax%
      \fi%
    \fi%
  \fi%
  \closein\@inputcheck%
  \if@tempswa%
    \immediate\write\reserved@c{%
      \@percentchar\@percentchar\space%
          \expandafter\@gobble\string\LaTeX2e file `\@curr@file'^^J%
      \@percentchar\@percentchar\space  generated by the %
        `\@currenvir' \expandafter\@gobblefour\string\newenvironment^^J%
      \@percentchar\@percentchar\space from source `\jobname' on %
         \number\year/\two@digits\month/\two@digits\day.^^J%
      \@percentchar\@percentchar}%
  \fi%
  \let\do\@makeother\dospecials%
  \count@ 128\relax%
  \loop%
    \catcode\count@ 11\relax%
    \advance\count@ \@ne%
    \ifnum\count@<\@cclvi%
  \repeat%
  \edef\E{\@backslashchar end\string{\@currenvir\string}}%
  \edef\reserved@b{%
    \def\noexpand\reserved@b%
         ####1\E####2\E####3\relax}%
  \reserved@b{%
    \ifx\relax##3\relax%
      \immediate\write\reserved@c{##1}%
    \else%
      \edef^^M{\noexpand\end{\@currenvir}}%
      \ifx\relax##1\relax%
      \else%
          \@latex@warning{Writing text `##1' before %
             \string\end{\@currenvir}\MessageBreak as last line of \@curr@file}%
        \immediate\write\reserved@c{##1}%
      \fi%
      \ifx\relax##2\relax%
      \else%
         \@latex@warning{%
           Ignoring text `##2' after \string\end{\@currenvir}}%
      \fi%
    \fi%
    ^^M}%
  \catcode`\^^L\active%
  \let\L\@undefined%
  \def^^L{\expandafter\ifx\csname L\endcsname\relax\fi ^^J^^J}%
  \catcode`\^^I\active%
  \let\I\@undefined%
  \def^^I{\expandafter\ifx\csname I\endcsname\relax\fi\space}%
  \catcode`\^^M\active%
  \edef^^M##1^^M{%
    \noexpand\reserved@b##1\E\E\relax}}%
\endgroup%
\EndIncludeInRelease
\IncludeInRelease{0000/00/00}%
                 {\filec@ntents}{Spaces in file names + optional arg}%

\let\filec@ntents@opt        \@undefined
\let\filec@ntents@force      \@undefined
\let\filec@ntents@overwrite  \@undefined
\let\filec@ntents@noheader   \@undefined
\let\filec@ntents@nosearch   \@undefined
\let\filec@ntents@checkdir   \@undefined
\let\filec@ntents@where      \@undefined

\begingroup%
\@tempcnta=1
\loop
  \catcode\@tempcnta=12  %
  \advance\@tempcnta\@ne %
\ifnum\@tempcnta<32      %
\repeat                  %
\catcode`\*=11 %
\catcode`\^^M\active%
\catcode`\^^L\active\let^^L\relax%
\catcode`\^^I\active%

\gdef\filec@ntents#1{%
  \openin\@inputcheck#1 %
  \ifeof\@inputcheck%
    \@latex@warning@no@line%
        {Writing file `\@currdir#1'}%
    \chardef\reserved@c15 %
    \ch@ck7\reserved@c\write%
    \immediate\openout\reserved@c#1\relax%
  \else%
    \closein\@inputcheck%
    \@latex@warning@no@line%
            {File `#1' already exists on the system.\MessageBreak%
             Not generating it from this source}%
    \let\write\@gobbletwo%
    \let\closeout\@gobble%
  \fi%
  \if@tempswa%
    \immediate\write\reserved@c{%
      \@percentchar\@percentchar\space%
          \expandafter\@gobble\string\LaTeX2e file `#1'^^J%
      \@percentchar\@percentchar\space  generated by the %
        `\@currenvir' \expandafter\@gobblefour\string\newenvironment^^J%
      \@percentchar\@percentchar\space from source `\jobname' on %
         \number\year/\two@digits\month/\two@digits\day.^^J%
      \@percentchar\@percentchar}%
  \fi%
  \let\do\@makeother\dospecials%
  \count@ 128\relax%
  \loop%
    \catcode\count@ 11\relax%
    \advance\count@ \@ne%
    \ifnum\count@<\@cclvi%
  \repeat%
  \edef\E{\@backslashchar end\string{\@currenvir\string}}%
  \edef\reserved@b{%
    \def\noexpand\reserved@b%
         ####1\E####2\E####3\relax}%
  \reserved@b{%
    \ifx\relax##3\relax%
      \immediate\write\reserved@c{##1}%
    \else%
      \edef^^M{\noexpand\end{\@currenvir}}%
      \ifx\relax##1\relax%
      \else%
          \@latex@warning{Writing text `##1' before %
             \string\end{\@currenvir}\MessageBreak as last line of #1}%
        \immediate\write\reserved@c{##1}%
      \fi%
      \ifx\relax##2\relax%
      \else%
         \@latex@warning{%
           Ignoring text `##2' after \string\end{\@currenvir}}%
      \fi%
    \fi%
    ^^M}%

  \catcode`\^^L\active%
  \let\L\@undefined%
  \def^^L{\expandafter\ifx\csname L\endcsname\relax\fi ^^J^^J}%
  \catcode`\^^I\active%
  \let\I\@undefined%
  \def^^I{\expandafter\ifx\csname I\endcsname\relax\fi\space}%
  \catcode`\^^M\active%
  \edef^^M##1^^M{%
    \noexpand\reserved@b##1\E\E\relax}}%
\endgroup%
\EndIncludeInRelease
%%% From File: ltspace.dtx
\IncludeInRelease{2019/10/01}%
                 {\pagebreak}{Make commands robust}%
\DeclareRobustCommand\pagebreak{\@testopt{\@no@pgbk-}4}
\DeclareRobustCommand\nopagebreak{\@testopt\@no@pgbk4}
\DeclareRobustCommand\linebreak{\@testopt{\@no@lnbk-}4}
\DeclareRobustCommand\nolinebreak{\@testopt\@no@lnbk4}
\DeclareRobustCommand\samepage{\interlinepenalty\@M
   \postdisplaypenalty\@M
   \interdisplaylinepenalty\@M
   \@beginparpenalty\@M
   \@endparpenalty\@M
   \@itempenalty\@M
   \@secpenalty\@M
   \interfootnotelinepenalty\@M}
\EndIncludeInRelease
\IncludeInRelease{0000/00/00}%
                 {\pagebreak}{Make commands robust}%

\kernel@make@fragile\pagebreak
\kernel@make@fragile\nopagebreak
\kernel@make@fragile\linebreak
\kernel@make@fragile\nolinebreak
\kernel@make@fragile\samepage

\EndIncludeInRelease
\IncludeInRelease{2020/02/02}%
                 {\@normalcr}{Make robust}%
\protected\def\@normalcr{%
  \let \reserved@e \relax
  \let \reserved@f \relax
  \@ifstar{\let \reserved@e \vadjust \let \reserved@f \nobreak
             \@xnewline}%
  \@xnewline}
\let\\\@normalcr
\EndIncludeInRelease
\IncludeInRelease{0000/00/00}%
                 {\@normalcr}{Make robust}%

\DeclareRobustCommand\\{%
   \let \reserved@e \relax
   \let \reserved@f \relax
   \@ifstar{\let \reserved@e \vadjust \let \reserved@f \nobreak
             \@xnewline}%
  \@xnewline}
\expandafter\let\expandafter\@normalcr
     \csname\expandafter\@gobble\string\\ \endcsname

\EndIncludeInRelease
\IncludeInRelease{2020/10/01}%
                 {\@vspace@calcify}{Add calc support}%
\def\@vspace@calcify#1{\begingroup\setlength\skip@{#1}\vskip\skip@\endgroup}
\EndIncludeInRelease
\IncludeInRelease{0000/00/00}%
                 {\@vspace@calcify}{Add calc support}%

\let\@vspace@calcify\@undefined
\EndIncludeInRelease
\IncludeInRelease{2020/10/01}%
                 {\@newline}{\newline calc support}%
\def\@newline[#1]{\let \reserved@e \vadjust
                   \@gnewline {\@vspace@calcify{#1}}}
\EndIncludeInRelease
\IncludeInRelease{0000/00/00}%
                 {\@newline}{\newline calc support}%

\def\@newline[#1]{\let \reserved@e \vadjust
                   \@gnewline {\vskip #1}}
\EndIncludeInRelease
\IncludeInRelease{2018/10/10}%
                 {\@esphack}{hyphenation and nobreak after space hack}%
\def\@esphack{%
  \relax
  \ifhmode
    \spacefactor\@savsf
    \ifdim\@savsk>\z@
      \ifdim\lastskip=\z@
        \nobreak \hskip\z@skip
      \fi
      \ignorespaces
    \fi
  \else
    \ifvmode
      \if@nobreak\nobreak\else\if@noskipsec\nobreak\fi\fi
    \fi
  \fi}%
\EndIncludeInRelease
\IncludeInRelease{2015/10/01}%
                 {\@esphack}{hyphenation and nobreak after space hack}%
\def\@esphack{%
  \relax
  \ifhmode
    \spacefactor\@savsf
    \ifdim\@savsk>\z@
      \ifdim\lastskip=\z@
        \nobreak \hskip\z@skip
      \fi
      \ignorespaces
    \fi
  \fi}%
\EndIncludeInRelease
\IncludeInRelease{2015/01/01}%
                 {\@esphack}{hyphenation and nobreak after space hack}%
\def\@esphack{%
  \relax
  \ifhmode
    \spacefactor\@savsf
    \ifdim\@savsk>\z@
      \nobreak \hskip\z@skip
      \ignorespaces
    \fi
  \fi}%
\EndIncludeInRelease
\IncludeInRelease{0000/00/00}%
                 {\@esphack}{hyphenation and nobreak after space hack}%
\def\@esphack{%
  \relax
  \ifhmode
    \spacefactor\@savsf
    \ifdim\@savsk>\z@
      \ignorespaces
    \fi
  \fi}%
\EndIncludeInRelease
\IncludeInRelease{2015/01/01}%
                 {\@Esphack}{hyphenation after space hack}%
\def\@Esphack{%
  \relax
  \ifhmode
    \spacefactor\@savsf
    \ifdim\@savsk>\z@
      \nobreak \hskip\z@skip
      \@ignoretrue
      \ignorespaces
    \fi
   \fi}%
\EndIncludeInRelease
\IncludeInRelease{0000/00/00}%
                 {\@Esphack}{hyphenation after space hack}%
\def\@Esphack{%
  \relax
  \ifhmode
    \spacefactor\@savsf
    \ifdim\@savsk>\z@
      \@ignoretrue
      \ignorespaces
    \fi
   \fi}%
\EndIncludeInRelease
\IncludeInRelease{2020/10/01}%
                 {\addvspace}{\addvspace calc support}%
\def\addvspace#1{%
  \ifvmode
     \if@minipage\else
       \ifdim \lastskip =\z@
         \@vspace@calcify{#1}%
       \else
       \setlength\@tempskipb{#1}%
         \@xaddvskip
       \fi
     \fi
  \else
    \@noitemerr
  \fi}
\EndIncludeInRelease
\IncludeInRelease{0000/00/00}%
                 {\addvspace}{\addvspace calc support}%

\def\addvspace#1{%
  \ifvmode
     \if@minipage\else
       \ifdim \lastskip =\z@
         \vskip #1\relax
       \else
       \@tempskipb#1\relax
         \@xaddvskip
       \fi
     \fi
  \else
    \@noitemerr
  \fi}
\EndIncludeInRelease
\IncludeInRelease{2015/01/01}%
                 {\addpenalty}{\addpenalty}%
\def\addpenalty#1{%
  \ifvmode
    \if@minipage
    \else
      \if@nobreak
      \else
        \ifdim\lastskip=\z@
          \penalty#1\relax
        \else
          \@tempskipb\lastskip
          \begingroup
            \@tempskipa\@tempskipb
            \advance \@tempskipb
              \ifdim\prevdepth>\maxdepth\maxdepth\else
                 \ifdim \prevdepth = -\@m\p@ \z@ \else \prevdepth \fi
               \fi
             \vskip -\@tempskipb
             \penalty#1%
             \ifdim\@tempskipa=\@tempskipb
             \else
               \advance\@tempskipb -\@tempskipa
               \vskip \@tempskipb
             \fi
             \vskip \@tempskipa
          \endgroup
        \fi
      \fi
    \fi
  \else
    \@noitemerr
  \fi}%
\EndIncludeInRelease
\IncludeInRelease{0000/00/00}%
                 {\addpenalty}{\addpenalty}%
\def\addpenalty#1{%
  \ifvmode
    \if@minipage
    \else
      \if@nobreak
      \else
        \ifdim\lastskip=\z@
          \penalty#1\relax
        \else
          \@tempskipb\lastskip
          \vskip -\lastskip
          \penalty#1%
          \vskip\@tempskipb
        \fi
      \fi
    \fi
  \else
    \@noitemerr
  \fi}%
\EndIncludeInRelease
\IncludeInRelease{2020/10/01}%
                 {\@vspace}{Support calc in \vspace}%
\def\@vspace #1{%
  \ifvmode
    \@vspace@calcify{#1}%
    \vskip\z@skip
   \else
     \@bsphack
     \vadjust{\@restorepar
              \@vspace@calcify{#1}%
              \vskip\z@skip
              }%
     \@esphack
   \fi}
\def\@vspacer#1{%
  \ifvmode
    \dimen@\prevdepth
    \hrule \@height\z@
    \nobreak
    \@vspace@calcify{#1}%
    \vskip\z@skip
    \prevdepth\dimen@
  \else
    \@bsphack
    \vadjust{\@restorepar
             \hrule \@height\z@
             \nobreak
             \@vspace@calcify{#1}%
             \vskip\z@skip}%
    \@esphack
  \fi}
\EndIncludeInRelease
\IncludeInRelease{0000/00/00}%
                 {\@vspace}{Support calc in \vspace}%

\def\@vspace #1{%
  \ifvmode
    \vskip #1
    \vskip\z@skip
   \else
     \@bsphack
     \vadjust{\@restorepar
              \vskip #1
              \vskip\z@skip
              }%
     \@esphack
   \fi}
\def\@vspacer#1{%
  \ifvmode
    \dimen@\prevdepth
    \hrule \@height\z@
    \nobreak
    \vskip #1
    \vskip\z@skip
    \prevdepth\dimen@
  \else
    \@bsphack
    \vadjust{\@restorepar
             \hrule \@height\z@
             \nobreak
             \vskip #1
             \vskip\z@skip}%
    \@esphack
  \fi}
\EndIncludeInRelease
\IncludeInRelease{2015/01/01}%
                 {\@}{Space after \@}%
\def\@{\spacefactor\@m{}}%
\EndIncludeInRelease
\IncludeInRelease{0000/00/00}%
                 {\@}{Space after \@}%
\def\@{\spacefactor\@m}%
\EndIncludeInRelease
\IncludeInRelease{2020/10/01}%
                 {\@hspace}{Support calc with \hspace}%
\def\@hspace#1{\begingroup\setlength\skip@{#1}\hskip\skip@\endgroup}
\EndIncludeInRelease
\IncludeInRelease{0000/00/00}%
                 {\@hspace}{Support calc with \hspace}%


\def\@hspace#1{\hskip #1\relax}
\EndIncludeInRelease
\IncludeInRelease{2018/12/01}%
                 {\thinspace}{Start LR-mode}%
\DeclareRobustCommand\enspace{\leavevmode@ifvmode\kern.5em }
\protected\def\leavevmode@ifvmode{\ifvmode\expandafter\indent\fi}
\EndIncludeInRelease
\IncludeInRelease{0000/00/00}%
                 {\thinspace}{Start LR-mode}%
\def\thinspace{\kern .16667em }
\def\negthinspace{\kern-.16667em }
\def\enspace{\kern.5em }
\let\leavevmode@ifvmode\@undefined
\EndIncludeInRelease
%%% From File: ltlogos.dtx
%%% From File: ltplain.dtx
\IncludeInRelease{2015/01/01}%
                 {\newcount}{Extended Allocation}%
\def\newcount {\e@alloc\count \countdef {\count10}\insc@unt\float@count}
\def\newdimen {\e@alloc\dimen \dimendef {\count11}\insc@unt\float@count}
\def\newskip  {\e@alloc\skip  \skipdef  {\count12}\insc@unt\float@count}
\def\newmuskip
           {\e@alloc\muskip\muskipdef{\count13}\m@ne\e@alloc@top}
\def\newbox   {\e@alloc\box
                  {\ifnum\allocationnumber<\@cclvi
                     \expandafter\chardef
                   \else
                     \expandafter\e@alloc@chardef
                   \fi}
                                        {\count14}\insc@unt\float@count}
\def\newtoks  {\e@alloc\toks \toksdef{\count15}\m@ne\e@alloc@top}
\def\newread  {\e@alloc\read \chardef{\count16}\m@ne\sixt@@n}
\ifx\directlua\@undefined
  \def\newwrite   {\e@alloc\write \chardef{\count17}\m@ne\sixt@@n}
\else
  \def\newwrite   {\e@alloc\write
                   {\ifnum\allocationnumber=18
                     \advance\count17\@ne
                     \allocationnumber\count17 %
                    \fi
                    \global\chardef}%
                   {\count17}%
                   \m@ne
                   {128}}
\fi
\def\new@mathgroup
  {\e@alloc\mathgroup\chardef{\count18}\m@ne\e@mathgroup@top}
\let\newfam\new@mathgroup
\ifx\directlua\@undefined
  \def\newlanguage  {\e@alloc\language \chardef{\count19}\m@ne\@cclvi}
\else
  \def\newlanguage  {\e@alloc\language \chardef{\count19}\m@ne{16384}}
\fi
\EndIncludeInRelease
\IncludeInRelease{0000/00/00}%
                 {\newcount}{Extended Allocation}%
\def\newcount{\alloc@0\count\countdef\insc@unt}
\def\newdimen{\alloc@1\dimen\dimendef\insc@unt}
\def\newskip{\alloc@2\skip\skipdef\insc@unt}
\def\newmuskip{\alloc@3\muskip\muskipdef\@cclvi}
\def\newbox{\alloc@4\box\chardef\insc@unt}
\def\newtoks{\alloc@5\toks\toksdef\@cclvi}
\def\newread{\alloc@6\read\chardef\sixt@@n}
\def\newwrite{\alloc@7\write\chardef\sixt@@n}
\def\new@mathgroup{\alloc@8\fam\chardef\sixt@@n}
\def\newlanguage{\alloc@9\language\chardef\@cclvi}
\let\newfam\new@mathgroup
\EndIncludeInRelease
\IncludeInRelease{2015/01/01}%
                 {\e@alloc@chardef}{Extended Allocation}%
\ifx\directlua\@undefined
  \ifx\widowpenalties\@undefined
    \mathchardef\e@alloc@top=255
    \let\e@alloc@chardef\chardef
  \else
    \mathchardef\e@alloc@top=32767
    \let\e@alloc@chardef\mathchardef
  \fi
\else
  \chardef\e@alloc@top=65535
  \let\e@alloc@chardef\chardef
\fi
\EndIncludeInRelease
\IncludeInRelease{0000/00/00}%
                 {\e@alloc@chardef}{Extended Allocation}%
\let\e@alloc@top\@undefined
\let\e@alloc@chardef\@undefined
\EndIncludeInRelease
\IncludeInRelease{2015/01/01}%
                 {\e@mathgroup@top}{Extended Allocation}%
\ifx\Umathcode\@undefined
  \chardef\e@mathgroup@top=16
\else
  \chardef\e@mathgroup@top=256
\fi
\EndIncludeInRelease
\IncludeInRelease{0000/00/00}%
                 {\e@mathgroup@top}{Extended Allocation}%
\let\e@mathgroup@top\@undefined
\EndIncludeInRelease
\IncludeInRelease{2015/01/01}{\e@alloc}{Extended Allocation}%
\def\e@alloc#1#2#3#4#5#6{%
  \global\advance#3\@ne
  \e@ch@ck{#3}{#4}{#5}#1%
  \allocationnumber#3\relax
  \global#2#6\allocationnumber
  \wlog{\string#6=\string#1\the\allocationnumber}}%
\EndIncludeInRelease
\IncludeInRelease{0000/00/00}{\e@alloc}{Extended Allocation}%
\let\e@alloc\@undefined
\EndIncludeInRelease
\IncludeInRelease{2015/10/01}
                 {\e@ch@ck}{Extended Allocation (checking)}%
\gdef\e@ch@ck#1#2#3#4{%
  \ifnum#1<#2\else
    \ifnum#1=#2\relax
      \global#1\@cclvi
      \ifx\count#4\global\advance#1 10 \fi
    \fi
    \ifnum#1<#3\relax
    \else
      \errmessage{No room for a new \string#4}%
    \fi
  \fi}%
\EndIncludeInRelease
\IncludeInRelease{2015/01/01}%
                 {\e@ch@ck}{Extended Allocation (checking)}%
\gdef\e@ch@ck#1#2#3#4{%
  \ifnum#1<#2\else
    \ifnum#1=#2\relax
      #1\@cclvi
      \ifx\count#4\advance#1 10 \fi
    \fi
    \ifnum#1<#3\relax
    \else
      \errmessage{No room for a new #4}%
    \fi
  \fi}%
\EndIncludeInRelease
\IncludeInRelease{0000/00/00}%
                 {\e@ch@ck}{Extended Allocation (checking)}%
\let\e@ch@ck\@undefined
\EndIncludeInRelease
\IncludeInRelease{2015/01/01}%
                 {\extrafloats}{Extra floats}%
\let\float@count\e@alloc@top
\ifx\numexpr\@undefined
\def\extrafloats#1{%
\count@#1\relax
\ifnum\count@>\z@
\newinsert\reserved@a
\global\expandafter\chardef
            \csname bx@\the\allocationnumber\endcsname\allocationnumber
\@cons\@freelist{\csname bx@\the\allocationnumber\endcsname}%
\advance\count@\m@ne
\expandafter\extrafloats
\expandafter\count@
\fi
}%
\else
\def\extrafloats#1{%
\ifnum#1>\z@
\count@\numexpr\float@count-1\relax
  \ch@ck0\count@\count
  \ch@ck1\count@\dimen
  \ch@ck2\count@\skip
  \ch@ck4\count@\box
\global\e@alloc@chardef\float@count\count@
\global\expandafter\e@alloc@chardef
            \csname bx@\the\float@count\endcsname\float@count
\@cons\@freelist{\csname bx@\the\float@count\endcsname}%
\expandafter
\extrafloats\expandafter{\numexpr#1-1\relax}%
\fi}%
\fi
\EndIncludeInRelease
\IncludeInRelease{0000/00/00}%
                 {\extrafloats}{Extra floats}%
\let\float@count\@undefined
\let\extrafloats\@undefined
\EndIncludeInRelease
\IncludeInRelease{2020/10/01}
                 {\alloc@}{emulate alloc@}%
\def\alloc@#1#2#3#4{\e@alloc#2#3{\count1#1}#4\float@count}
\EndIncludeInRelease
\IncludeInRelease{0000/00/00}%
                 {\alloc@}{emulate alloc@}%
\def\alloc@#1#2#3#4#5{\global\advance\count1#1\@ne
  \ch@ck#1#4#2%
  \allocationnumber\count1#1%
  \global#3#5\allocationnumber
  \wlog{\string#5=\string#2\the\allocationnumber}}
\EndIncludeInRelease
\IncludeInRelease{2015/10/01}
                 {\newinsert}{Extended \newinsert}%
\ifx\numexpr\@undefined
\def\newinsert#1{\global\advance\insc@unt \m@ne
  \ch@ck0\insc@unt\count
  \ch@ck1\insc@unt\dimen
  \ch@ck2\insc@unt\skip
  \ch@ck4\insc@unt\box
  \allocationnumber\insc@unt
  \global\chardef#1\allocationnumber
  \wlog{\string#1=\string\insert\the\allocationnumber}}
\else
\ifx\directlua\@undefined
  \chardef\e@insert@top255
\else
  \chardef\e@insert@top\e@alloc@top
\fi
\def\newinsert#1{%
\@tempswafalse
\global\advance\insc@unt\m@ne
\ifnum\count10<\insc@unt
\ifnum\count11<\insc@unt
\ifnum\count12<\insc@unt
\ifnum\count14<\insc@unt
  \@tempswatrue
\fi\fi\fi\fi
\if@tempswa
\allocationnumber\insc@unt
\else
\global\advance\insc@unt\@ne
  \extrafloats\@ne
  \@next\@currbox\@freelist
    {\ifnum\@currbox<\e@insert@top
      \allocationnumber\@currbox
     \else
     \ch@ck0\m@ne\insert
     \fi}%
     {\ch@ck0\m@ne\insert}%
\fi
\global\chardef#1\allocationnumber
\wlog{\string#1=\string\insert\the\allocationnumber}%
}
\fi
\EndIncludeInRelease
\IncludeInRelease{0000/00/00}%
                 {\newinsert}{Extended \newinsert}%
\let\e@insert@top\@undefined
\def\newinsert#1{\global\advance\insc@unt \m@ne
  \ch@ck0\insc@unt\count
  \ch@ck1\insc@unt\dimen
  \ch@ck2\insc@unt\skip
  \ch@ck4\insc@unt\box
  \allocationnumber\insc@unt
  \global\chardef#1\allocationnumber
  \wlog{\string#1=\string\insert\the\allocationnumber}}
\EndIncludeInRelease
\IncludeInRelease{2015/01/01}{\loggingall}{etex tracing}%
\ifx\tracingscantokens\@undefined
\gdef\loggingall{%
  \tracingstats\tw@
  \tracingpages\@ne
  \tracinglostchars\@ne
  \tracingparagraphs\@ne
  \errorcontextlines\maxdimen
  \loggingoutput
  \tracingmacros\tw@
  \tracingcommands\tw@
  \tracingrestores\@ne
  }%
\else
\gdef\loggingall{%
  \tracingstats\tw@
  \tracingpages\@ne
  \tracinglostchars\tw@
  \tracingparagraphs\@ne
  \tracinggroups\@ne
  \tracingifs\@ne
  \tracingscantokens\@ne
  \tracingnesting\@ne
  \errorcontextlines\maxdimen
  \loggingoutput
  \tracingmacros\tw@
  \tracingcommands\thr@@
  \tracingrestores\@ne
  \tracingassigns\@ne
}%
\fi
\gdef\tracingall{\showoverfull\loggingall}
\EndIncludeInRelease
\IncludeInRelease{0000/00/00}{\loggingall}{etex tracing}%
\gdef\loggingall{\tracingcommands\tw@\tracingstats\tw@
  \tracingpages\@ne\tracinglostchars\@ne
  \tracingmacros\tw@\tracingparagraphs\@ne\tracingrestores\@ne
  \errorcontextlines\maxdimen\loggingoutput}
  \gdef\tracingall{\loggingall\showoverfull}
\EndIncludeInRelease
\IncludeInRelease{2015/01/01}{\tracingnone}%
                             {turn off etex tracing}%
\ifx\tracingscantokens\@undefined
\def\tracingnone{%
  \tracingonline\z@
  \tracingcommands\z@
  \showboxdepth\m@ne
  \showboxbreadth\m@ne
  \tracingoutput\z@
  \errorcontextlines\m@ne
  \tracingrestores\z@
  \tracingparagraphs\z@
  \tracingmacros\z@
  \tracinglostchars\@ne
  \tracingpages\z@
  \tracingstats\z@
}%
\else
\def\tracingnone{%
  \tracingassigns\z@
  \tracingrestores\z@
  \tracingonline\z@
  \tracingcommands\z@
  \showboxdepth\m@ne
  \showboxbreadth\m@ne
  \tracingoutput\z@
  \errorcontextlines\m@ne
  \tracingnesting\z@
  \tracingscantokens\z@
  \tracingifs\z@
  \tracinggroups\z@
  \tracingparagraphs\z@
  \tracingmacros\z@
  \tracinglostchars\@ne
  \tracingpages\z@
  \tracingstats\z@
}%
\fi
\def\hideoutput{%
  \tracingoutput\z@
  \showboxbreadth\m@ne
  \showboxdepth\m@ne
  \tracingonline\m@ne
}%
\EndIncludeInRelease
\IncludeInRelease{0000/00/00}{\tracingnone}%
                             {turn off etex tracing}%
\let\tracingnone\@undefined
\let\hideoutput\@undefined
\EndIncludeInRelease
%%% From File: ltfssdcl.dtx
%% Copyright (C) 1989-1998 Frank Mittelbach and Rainer Sch\"opf,
%% all rights reserved.
\IncludeInRelease{2015/01/01}
                 {\select@group}{\select@group}%
\def\select@group#1#2#3#4{%
 \ifx\math@bgroup\bgroup\else\relax\expandafter\@firstofone\fi
 {%
 \ifmmode
  \ifnum\csname c@mv@\math@version\endcsname<\e@mathgroup@top
     \begingroup
       \escapechar\m@ne
       \getanddefine@fonts{\csname c@mv@\math@version\endcsname}#3%
       \globaldefs\@ne  \math@fonts
     \endgroup
     \init@restore@version
     \xdef#1{\noexpand\use@mathgroup\noexpand#2%
             {\number\csname c@mv@\math@version\endcsname}}%
     \global\advance\csname c@mv@\math@version\endcsname\@ne
   \else
     \let#1\relax
     \@latex@error{Too many math alphabets used in
                   version \math@version}%
        \@eha
   \fi
 \else \expandafter\non@alpherr\fi
 #1{#4}%
 }%
}
\EndIncludeInRelease
\IncludeInRelease{0000/00/00}
                 {\select@group}{\select@group}%
\def\select@group#1#2#3#4{%
 \ifx\math@bgroup\bgroup\else\relax\expandafter\@firstofone\fi
 {%
 \ifmmode
  \ifnum\csname c@mv@\math@version\endcsname<\sixt@@n
     \begingroup
       \escapechar\m@ne
       \getanddefine@fonts
         {\csname c@mv@\math@version\endcsname}#3%
       \globaldefs\@ne  \math@fonts
     \endgroup
     \init@restore@version
     \xdef#1{\noexpand\use@mathgroup\noexpand#2%
             {\number\csname c@mv@\math@version\endcsname}}%
     \global\advance\csname c@mv@\math@version\endcsname\@ne
   \else
     \let#1\relax
     \@latex@error{Too many math alphabets used in
                   version \math@version}%
        \@eha
   \fi
 \else \expandafter\non@alpherr\fi
 #1{#4}%
 }%
}
\EndIncludeInRelease
\IncludeInRelease{2020/10/01}
  {\document@select@group}{\document@select@group}%
\def\document@select@group#1#2#3#4{%
 \ifx\math@bgroup\bgroup\else\relax\expandafter\@firstofone\fi
 {%
 \ifmmode
   \ifnum\csname c@mv@\math@version\endcsname<\e@mathgroup@top
     \begingroup
       \escapechar\m@ne
       \getanddefine@fonts{\csname c@mv@\math@version\endcsname}#3%
       \globaldefs\@ne  \math@fonts
     \endgroup
     \expandafter\extract@alph@from@version
         \csname mv@\math@version\expandafter\endcsname
         \expandafter{\number\csname
                       c@mv@\math@version\endcsname}%
          #1%
     \global\advance\csname c@mv@\math@version\endcsname\@ne
   \else
     \let#1\relax
     \@latex@error{Too many math alphabets used
                   in version \math@version}%
        \@eha
  \fi
 \else \expandafter\non@alpherr\fi
 \expandafter#1\ifx\math@bgroup\bgroup{#4}\else#4\fi
 }%
}
\EndIncludeInRelease
\IncludeInRelease{2015/01/01}
  {\document@select@group}{\document@select@group}%

\def\document@select@group#1#2#3#4{%
 \ifx\math@bgroup\bgroup\else\relax\expandafter\@firstofone\fi
 {%
 \ifmmode
   \ifnum\csname c@mv@\math@version\endcsname<\e@mathgroup@top
     \begingroup
       \escapechar\m@ne
       \getanddefine@fonts{\csname c@mv@\math@version\endcsname}#3%
       \globaldefs\@ne  \math@fonts
     \endgroup
     \expandafter\extract@alph@from@version
         \csname mv@\math@version\expandafter\endcsname
         \expandafter{\number\csname
                       c@mv@\math@version\endcsname}%
          #1%
     \global\advance\csname c@mv@\math@version\endcsname\@ne
   \else
     \let#1\relax
     \@latex@error{Too many math alphabets used
                   in version \math@version}%
        \@eha
  \fi
 \else \expandafter\non@alpherr\fi
 #1{#4}%
 }%
}
\EndIncludeInRelease

\IncludeInRelease{0000/00/00}
  {\document@select@group}{\document@select@group}%

\def\document@select@group#1#2#3#4{%
 \ifx\math@bgroup\bgroup\else\relax\expandafter\@firstofone\fi
 {%
 \ifmmode
   \ifnum\csname c@mv@\math@version\endcsname<\sixt@@n
     \begingroup
       \escapechar\m@ne
       \getanddefine@fonts
         {\csname c@mv@\math@version\endcsname}#3%
       \globaldefs\@ne  \math@fonts
     \endgroup
     \expandafter\extract@alph@from@version
         \csname mv@\math@version\expandafter\endcsname
         \expandafter{\number\csname
                       c@mv@\math@version\endcsname}%
          #1%
     \global\advance\csname c@mv@\math@version\endcsname\@ne
   \else
     \let#1\relax
     \@latex@error{Too many math alphabets used
                   in version \math@version}%
        \@eha
  \fi
 \else \expandafter\non@alpherr\fi
 #1{#4}%
 }%
}
\EndIncludeInRelease
\IncludeInRelease{2019/10/01}%
                 {DeclareMathAccent}{Make math accents robust}%
\def\DeclareMathAccent#1#2#3#4{%
  \expandafter\in@\csname sym#3\expandafter\endcsname
     \expandafter{\group@list}%
  \ifin@
    \begingroup
      \count\z@=#4\relax
      \count\tw@\count\z@
      \divide\count\z@\sixt@@n
      \count@\count\z@
      \multiply\count@\sixt@@n
      \advance\count\tw@-\count@
      \if\relax\noexpand#1% is command?
        \edef\reserved@a{\noexpand\in@
          {\expandafter\@gobble\string\mathaccent}
          {\expandafter\meaning
           \csname\expandafter\@gobble\string#1\space\endcsname}}%
        \reserved@a
        \ifin@
          \expandafter\let
            \csname\expandafter\@gobble\string#1\space\endcsname
            \@undefined
          \expandafter\set@mathaccent
             \csname sym#3\endcsname#1#2%
             {\hexnumber@{\count\z@}\hexnumber@{\count\tw@}}%
          \@font@info{Redeclaring math accent \string#1}%
        \else
          \expandafter\ifx
          \csname\expandafter\@gobble\string#1\endcsname
          \relax
            \expandafter\set@mathaccent
               \csname sym#3\endcsname#1#2%
               {\hexnumber@{\count\z@}\hexnumber@{\count\tw@}}%
          \else
            \@latex@error{Command `\string#1' already defined}\@eha
          \fi
        \fi
      \else
       \@latex@error{Not a command name: `\noexpand#1'}\@eha
      \fi
    \endgroup
  \else
    \@latex@error{Symbol font `#3' is not defined}\@eha
  \fi
}
\EndIncludeInRelease
\IncludeInRelease{0000/00/00}%
                 {DeclareMathAccent}{Make math accents robust}%
\def\DeclareMathAccent#1#2#3#4{%
  \expandafter\in@\csname sym#3\expandafter\endcsname
     \expandafter{\group@list}%
  \ifin@
    \begingroup
      \count\z@=#4\relax
      \count\tw@\count\z@
      \divide\count\z@\sixt@@n
      \count@\count\z@
      \multiply\count@\sixt@@n
      \advance\count\tw@-\count@
      \if\relax\noexpand#1% is command?
        \edef\reserved@a{\noexpand\in@
           {\expandafter\@gobble\string\mathaccent}{\meaning#1}}%
        \reserved@a
        \ifin@
          \expandafter\set@mathaccent
             \csname sym#3\endcsname#1#2%
             {\hexnumber@{\count\z@}\hexnumber@{\count\tw@}}%
          \@font@info{Redeclaring math accent \string#1}%
        \else
          \expandafter\ifx
          \csname\expandafter\@gobble\string#1\endcsname
          \relax
            \expandafter\set@mathaccent
               \csname sym#3\endcsname#1#2%
               {\hexnumber@{\count\z@}\hexnumber@{\count\tw@}}%
          \else
            \@latex@error{Command `\string#1' already defined}\@eha
          \fi
        \fi
      \else
       \@latex@error{Not a command name: `\noexpand#1'}\@eha
      \fi
    \endgroup
  \else
    \@latex@error{Symbol font `#3' is not defined}\@eha
  \fi
}
\EndIncludeInRelease
\IncludeInRelease{2019/10/01}%
                 {\set@mathaccent}{makemath accents robust}%
\def\set@mathaccent#1#2#3#4{%
  \xdef#2{\mathaccent"\mathchar@type#3\hexnumber@#1#4\relax}%
  \MakeRobust#2%
}
\@onlypreamble\set@mathaccent
\EndIncludeInRelease
\IncludeInRelease{0000/00/00}%
                 {\set@mathaccent}{makemath accents robust}%

\def\set@mathaccent#1#2#3#4{%
  \xdef#2{\mathaccent"\mathchar@type#3\hexnumber@#1#4\relax}}

\EndIncludeInRelease
\IncludeInRelease{2019/10/01}%
                 {\set@mathdelimiter}{make delimiters robust}%
\def\set@mathdelimiter#1#2#3#4#5#6{%
  \protected
  \xdef#3{\delimiter"\mathchar@type#4\hexnumber@#1#5%
    \hexnumber@#2#6 }%
}
\@onlypreamble\set@mathdelimiter
\EndIncludeInRelease
\IncludeInRelease{0000/00/00}%
                 {\set@mathdelimiter}{make delimiters robust}%

\def\set@mathdelimiter#1#2#3#4#5#6{%
  \xdef#3{\delimiter"\mathchar@type#4\hexnumber@#1#5%
    \hexnumber@#2#6 }}

\EndIncludeInRelease
%%% From File: ltfssini.dtx
%% Copyright (C) 1989-2001 Frank Mittelbach and Rainer Sch\"opf,
%% all rights reserved.
\IncludeInRelease{2020/02/02}%
                 {\DeclareFontSeriesDefault}{Custom series}%
\let\DeclareFontSeriesDefault\@undefined      % for rollback
\newcommand\DeclareFontSeriesDefault[3][]{%
  \def\reserved@a{#1}%
  \ifx\reserved@a\@empty
    \ifcsname #2series\endcsname           % supported are
                                           % \[md/bf]default
      \expandafter\def
        \csname #2default\endcsname{#3\@empty}%
      \expandafter\def
        \csname #2default@previous\endcsname{#3\@empty}%
    \else
       \@latex@error{Wrong syntax for \string\DeclareFontSeriesDefault}%
          {Mandatory first argument must be 'md'  or 'bf'.}
    \fi
  \else
    \ifcsname #2series@#1\endcsname          % supported are
                                             % \[md/bf]series@[rm/sf/tt]
      \expandafter\edef
         \csname #2series@#1\endcsname{#3}%
      \expandafter\let
         \csname #2series@#1@kernel\endcsname\@undefined
    \else
       \@latex@error{Wrong syntax for \string\DeclareFontSeriesDefault}%
          {Optional argument must be 'rm', 'sf', or 'tt'. \MessageBreak
           Mandatory first argument must be 'md'  or 'bf'.}
    \fi
  \fi
}

\def\bfseries@rm{bx}
\def\bfseries@sf{bx}
\def\bfseries@tt{bx}
\let\bfseries@rm@kernel\bfseries@rm
\let\bfseries@sf@kernel\bfseries@sf
\let\bfseries@tt@kernel\bfseries@tt
\def\mdseries@rm{m}
\def\mdseries@sf{m}
\def\mdseries@tt{m}

\def\@meta@family@list{\@elt{rm}\@elt{sf}\@elt{tt}}
\def\prepare@family@series@update#1#2{%
 \if@forced@series
   \fontfamily#2%
 \else
   \expand@font@defaults
   \let\target@series@value\@empty
   \def\target@meta@family@value{#1}%
   \expandafter\edef\csname ??def@ult\endcsname{\f@family}%
   \let\@elt\update@series@target@value
      \@meta@family@list
      \@elt{??}%
   \let\@elt\relax
   \fontfamily#2%
   \ifx\target@series@value\@empty
   \else
     \ifx \f@series\target@series@value
     \else
       \maybe@load@fontshape
       \series@maybe@drop@one@m\target@series@value\f@series
     \fi
   \fi
 \fi
}
\def\update@series@target@value#1{%
  \def\reserved@a{#1}%
  \ifx\target@meta@family@value\reserved@a   % rm -> rm do nothing
  \else
    \expandafter\ifx\csname#1def@ult\endcsname\f@family
      \let\@elt\@gobble
      \expandafter\let\expandafter\reserved@b
                      \csname mdseries@\target@meta@family@value\endcsname
      \expandafter\let\expandafter\reserved@c
                      \csname bfseries@\target@meta@family@value\endcsname
      \expandafter\series@maybe@drop@one@m
          \csname mdseries@#1\endcsname\reserved@d
      \ifx\reserved@d\f@series
                                      \let\target@series@value\reserved@b
      \else
        \expandafter\series@maybe@drop@one@m
           \csname bfseries@#1\endcsname\reserved@d
        \ifx\reserved@d\f@series
                                      \let\target@series@value\reserved@c
      \else\ifx\f@series\mddef@ult    \let\target@series@value\reserved@b
      \else\ifx\f@series\bfdef@ult    \let\target@series@value\reserved@c
      \fi\fi\fi\fi
    \fi
  \fi
}
\def\init@series@setup{%
  \ifx\bfseries@rm@kernel\bfseries@rm
     \expandafter\in@\expandafter{\rmdefault}%
                     {cmr,cmss,cmtt,lcmss,lcmtt,lmr,lmss,lmtt}%
    \ifin@ \else \def\bfseries@rm{b}\fi\fi
  \ifx\bfseries@sf@kernel\bfseries@sf
    \expandafter\in@\expandafter{\sfdefault}%
                    {cmr,cmss,cmtt,lcmss,lcmtt,lmr,lmss,lmtt}%
    \ifin@ \else \def\bfseries@sf{b}\fi\fi
  \ifx\bfseries@tt@kernel\bfseries@tt
    \expandafter\in@\expandafter{\ttdefault}%
                    {cmr,cmss,cmtt,lcmss,lcmtt,lmr,lmss,lmtt}%
    \ifin@ \else \def\bfseries@tt{b}\fi\fi
  \reset@font
  \ifx\seriesdefault\seriesdefault@kernel
    \mdseries
    \let\seriesdefault\f@series
  \fi
}%
\expandafter\let\csname ver@mweights.sty\endcsname\fmtversion
\EndIncludeInRelease
\IncludeInRelease{0000/00/00}%
                 {\DeclareFontSeriesDefault}{Custom series}%

\let\DeclareFontSeriesDefault\@undefined
\let\bfseries@rm\@undefined
\let\bfseries@sf\@undefined
\let\bfseries@tt\@undefined
\let\bfseries@rm@kernel\@undefined
\let\bfseries@sf@kernel\@undefined
\let\bfseries@tt@kernel\@undefined
\let\mdseries@rm\@undefined
\let\mdseries@sf\@undefined
\let\mdseries@tt\@undefined
\expandafter\let\csname ver@mweights.sty\endcsname\@undefined

\let\@meta@family@list\@undefined
\let\prepare@family@series@update\@undefined
\let\update@series@target@value\@undefined

\let\init@series@setup\relax

\EndIncludeInRelease
\IncludeInRelease{2020/10/01}%
                 {\bfseries}{Custom series with hooks}%

\def\expand@font@defaults{%
  \edef\rmdef@ult{\rmdefault}%
  \edef\sfdef@ult{\sfdefault}%
  \edef\ttdef@ult{\ttdefault}%
  \series@maybe@drop@one@m\bfdefault\bfdef@ult
  \series@maybe@drop@one@m\mddefault\mddef@ult
  \UseHook{expand@font@defaults}%
}

\DeclareRobustCommand\bfseries{%
  \not@math@alphabet\bfseries\mathbf
  \expand@font@defaults
  \ifx\bfdefault\bfdefault@previous\else
    \expandafter\def\expandafter\bfdefault
                    \expandafter{\bfdefault\@empty}%
    \let\bfdefault@previous\bfdefault
    \let\bfseries@rm\bfdef@ult
    \let\bfseries@sf\bfdef@ult
    \let\bfseries@tt\bfdef@ult
    \UseHook{bfseries/defaults}%
  \fi
    \ifx\f@family\rmdef@ult      \fontseries\bfseries@rm
    \else\ifx\f@family\sfdef@ult \fontseries\bfseries@sf
    \else\ifx\f@family\ttdef@ult \fontseries\bfseries@tt
    \else                        \fontseries\bfdefault
    \fi\fi\fi
  \UseHook{bfseries}%
  \selectfont
}

\DeclareRobustCommand\mdseries{%
  \not@math@alphabet\mdseries\relax
  \expand@font@defaults
  \ifx\mddefault\mddefault@previous\else
    \expandafter\def\expandafter\mddefault\expandafter{\mddefault\@empty}%
    \let\mddefault@previous\mddefault
    \let\mdseries@rm\mddef@ult
    \let\mdseries@sf\mddef@ult
    \let\mdseries@tt\mddef@ult
    \UseHook{mdseries/defaults}%
  \fi
    \ifx\f@family\rmdef@ult      \fontseries\mdseries@rm
    \else\ifx\f@family\sfdef@ult \fontseries\mdseries@sf
    \else\ifx\f@family\ttdef@ult \fontseries\mdseries@tt
    \else                        \fontseries\mddefault
    \fi\fi\fi
  \UseHook{mdseries}%
  \selectfont
}

\DeclareRobustCommand\rmfamily{%
   \not@math@alphabet\rmfamily\mathrm
   \prepare@family@series@update{rm}\rmdefault
   \UseHook{rmfamily}%
   \selectfont}
\DeclareRobustCommand\sffamily{%
   \not@math@alphabet\sffamily\mathsf
   \prepare@family@series@update{sf}\sfdefault
   \UseHook{sffamily}%
   \selectfont}
\DeclareRobustCommand\ttfamily{%
   \not@math@alphabet\ttfamily\mathtt
   \prepare@family@series@update{tt}\ttdefault
   \UseHook{ttfamily}%
   \selectfont}
\NewHook{rmfamily}
\NewHook{sffamily}
\NewHook{ttfamily}
\NewHook{normalfont}
\NewHook{expand@font@defaults}
\NewHook{bfseries}
\NewHook{bfseries/defaults}
\NewHook{mdseries}
\NewHook{mdseries/defaults}
\let\@rmfamilyhook\@empty
\let\@sffamilyhook\@empty
\let\@ttfamilyhook\@empty
\let\@defaultfamilyhook\@empty   %FMi sort out
\EndIncludeInRelease
\IncludeInRelease{2020/02/02}%
                 {\bfseries}{Custom series with hooks}%

\def\expand@font@defaults{%
  \edef\rmdef@ult{\rmdefault}%
  \edef\sfdef@ult{\sfdefault}%
  \edef\ttdef@ult{\ttdefault}%
  \edef\bfdef@ult{\bfdefault}%
  \edef\mddef@ult{\mddefault}%
  \edef\famdef@ult{\familydefault}%
}

\DeclareRobustCommand\bfseries{%
  \not@math@alphabet\bfseries\mathbf
  \expand@font@defaults
    \ifx\f@family\rmdef@ult      \fontseries\bfseries@rm
    \else\ifx\f@family\sfdef@ult \fontseries\bfseries@sf
    \else\ifx\f@family\ttdef@ult \fontseries\bfseries@tt
    \else                        \fontseries\bfdefault
    \fi\fi\fi
  \selectfont
}

\DeclareRobustCommand\mdseries{%
  \not@math@alphabet\mdseries\relax
  \expand@font@defaults
    \ifx\f@family\rmdef@ult      \fontseries\mdseries@rm
    \else\ifx\f@family\sfdef@ult \fontseries\mdseries@sf
    \else\ifx\f@family\ttdef@ult \fontseries\mdseries@tt
    \else                        \fontseries\mddefault
    \fi\fi\fi
  \selectfont
}

\DeclareRobustCommand\rmfamily{%
   \not@math@alphabet\rmfamily\mathrm
   \prepare@family@series@update{rm}\rmdefault
   \@rmfamilyhook
   \selectfont}
\DeclareRobustCommand\sffamily{%
   \not@math@alphabet\sffamily\mathsf
   \prepare@family@series@update{sf}\sfdefault
   \@sffamilyhook
   \selectfont}
\DeclareRobustCommand\ttfamily{%
   \not@math@alphabet\ttfamily\mathtt
   \prepare@family@series@update{tt}\ttdefault
   \@ttfamilyhook
   \selectfont}


\EndIncludeInRelease
\IncludeInRelease{0000/00/00}%
                 {\bfseries}{Custom series with hooks}%

\let\expand@font@defaults\@undefined

\DeclareRobustCommand\bfseries
        {\not@math@alphabet\bfseries\mathbf
         \fontseries\bfdefault\selectfont}
\DeclareRobustCommand\mdseries
        {\not@math@alphabet\mdseries\relax
         \fontseries\mddefault\selectfont}
\DeclareRobustCommand\rmfamily
        {\not@math@alphabet\rmfamily\mathrm
         \fontfamily\rmdefault\selectfont}
\DeclareRobustCommand\sffamily
        {\not@math@alphabet\sffamily\mathsf
         \fontfamily\sfdefault\selectfont}
\DeclareRobustCommand\ttfamily
        {\not@math@alphabet\ttfamily\mathtt
         \fontfamily\ttdefault\selectfont}

\let\@rmfamilyhook\@undefined
\let\@sffamilyhook\@undefined
\let\@ttfamilyhook\@undefined

\EndIncludeInRelease
\IncludeInRelease{2020/10/01}%
                 {\IfFontSeriesContextTF}{Font series context}%
\DeclareRobustCommand\IfFontSeriesContextTF[1]{%
  \expand@font@defaults
  \@font@series@contextfalse
  \def\requested@test@context{#1}%
  \expandafter\edef\csname ??def@ult\endcsname{\f@family}%
  \let\@elt\test@font@series@context
      \@meta@family@list
      \@elt{??}%
  \let\@elt\relax
  \if@font@series@context
  \expandafter\@firstoftwo
  \else
  \expandafter\@secondoftwo
  \fi
}

\def\test@font@series@context#1{%
  \edef\reserved@a{\csname #1def@ult\endcsname}%
  \ifx\f@family\reserved@a
    \let\@elt\@gobble
    \expandafter\ifx
                \csname\requested@test@context series@#1\endcsname\f@series
      \@font@series@contexttrue
    \else
      \expandafter\ifx
                  \csname\requested@test@context def@ult\endcsname\f@series
        \@font@series@contexttrue
  \fi\fi\fi
}

\newif\if@font@series@context
\EndIncludeInRelease
\IncludeInRelease{0000/00/00}%
                 {\IfFontSeriesContextTF}{Font series context}%

\let\IfFontSeriesContextTF\@undefined
\let\test@font@series@context\@undefined
\let\if@font@series@context\@undefined
\let\@font@series@contexttrue\@undefined
\let\@font@series@contextfalse\@undefined
\EndIncludeInRelease
\IncludeInRelease{2020/02/02}%
                 {\DeclareEmphSequence}{Nested emph}%
\def\DeclareEmphSequence#1{%
  \protected@edef\emfontdeclare@clist{\zap@space#1, \@empty\emforce\emreset}%
}
\let\emfontdeclare@clist\@empty

\DeclareRobustCommand\emreset{\upshape\ulcshape}

\DeclareRobustCommand\em{%
  \@nomath\em
  \ifx\emfontdeclare@clist\@empty
    \ifdim \fontdimen\@ne\font >\z@
      \eminnershape \else \itshape \fi
  \else
  \edef\em@currfont{\csname\curr@fontshape/\f@size\endcsname}%
    \expandafter\do@emfont@update\emfontdeclare@clist\do@emfont@update
  \fi
}
\def\eminnershape{\upshape}
\def\do@emfont@update#1,#2\do@emfont@update{%
  \def\emfontdeclare@clist{#2,#1}%
  #1\selectfont
  \expandafter\ifx\csname \curr@fontshape/\f@size\em@force
                          \expandafter\endcsname
                  \em@currfont
  \expandafter\do@emfont@update\emfontdeclare@clist\do@emfont@update
  \else
    \let\em@force\@empty
  \fi
}

\protected\def\emforce{\def\em@force{/}}
\let\em@force\@empty
\EndIncludeInRelease

\IncludeInRelease{2015/01/01}{\DeclareEmphSequence}{Nested emph}%
\let\DeclareEmphSequence\@undefined
\let\emfontdeclare@clist\@undefined
\let\emreset\@undefined
\let\do@emfont@update\@undefined
\let\emforce\@undefined
\let\em@force\@undefined

\DeclareRobustCommand\em
        {\@nomath\em \ifdim \fontdimen\@ne\font >\z@
                       \eminnershape \else \itshape \fi}%
\EndIncludeInRelease

\IncludeInRelease{0000/00/00}{\DeclareEmphSequence}{Nested emph}%
\DeclareRobustCommand\em
        {\@nomath\em \ifdim \fontdimen\@ne\font >\z@
                       \upshape \else \itshape \fi}%
\let\eminnershape\@undefined
\EndIncludeInRelease
\IncludeInRelease{2020/10/01}%
                 {\symbol}{XeTeX change for math}%
\ifdefined\XeTeXversion
  \DeclareRobustCommand\symbol[1]{\Ucharcat#1 12\relax}
\else
  \DeclareRobustCommand\symbol[1]{\char#1\relax}
\fi
\EndIncludeInRelease
\IncludeInRelease{0000/00/00}%
                 {\symbol}{XeTeX change for math}%

\DeclareRobustCommand\symbol[1]{\char#1\relax}

\EndIncludeInRelease
\IncludeInRelease{2020/02/02}%
                 {\normalfont}{Add hook to \normalfont}%
\DeclareRobustCommand\normalfont{%
   \fontencoding\encodingdefault
   \edef\f@family{\familydefault}%
   \edef\f@series{\seriesdefault}%
   \edef\f@shape{\shapedefault}%
   \UseHook{normalfont}%
   \@defaultfamilyhook        % hookname from 2020/02 will vanish
   \selectfont}
\let\reset@font\normalfont
\EndIncludeInRelease
\IncludeInRelease{0000/00/00}%
                 {\normalfont}{Add hook to \normalfont}%

\DeclareRobustCommand\normalfont
         {\usefont\encodingdefault
                  \familydefault
                  \seriesdefault
                  \shapedefault
                  \relax}
\let\reset@font\normalfont

\let\@defaultfamilyhook\@undefined

\EndIncludeInRelease
%%% From File: fontdef.dtx
\IncludeInRelease{2017/01/01}%
                 {\encodingdefault}{TU encoding default}%
\ifx\Umathcode\@undefined
\renewcommand\encodingdefault{OT1}
\fontencoding{\encodingdefault}
\renewcommand\rmdefault{cmr}
\fontfamily{\rmdefault}
\renewcommand\sfdefault{cmss}
\renewcommand\ttdefault{cmtt}
\else
\renewcommand\encodingdefault{TU}
%done in everyjob\fontencoding{\encodingdefault}
\renewcommand\rmdefault{lmr}
\fontfamily{\rmdefault}
\renewcommand\sfdefault{lmss}
\renewcommand\ttdefault{lmtt}
\fi
\EndIncludeInRelease
\IncludeInRelease{0000/00/00}%
                 {\encodingdefault}{TU encoding default}%
\fontencoding{OT1}
\renewcommand\encodingdefault{OT1}
\fontencoding{\encodingdefault}
\renewcommand\rmdefault{cmr}
\fontfamily{\rmdefault}
\renewcommand\sfdefault{cmss}
\renewcommand\ttdefault{cmtt}
\EndIncludeInRelease
\IncludeInRelease{2020/02/02}%
                 {\updefault}{font defaults change}%
\renewcommand\updefault{up}
\renewcommand\bfdefault{b\@empty}
\renewcommand\mddefault{m\@empty}
\let\bfdefault@previous\bfdefault
\let\mddefault@previous\mddefault
\EndIncludeInRelease
\IncludeInRelease{0000/00/00}%
                 {\updefault}{font defaults change}%

\renewcommand\updefault{n}
\renewcommand\bfdefault{bx}

\let\bfdefault@previous\undefined
\let\mddefault@previous\undefined
\EndIncludeInRelease
\IncludeInRelease{2018/12/01}%
                 {\Big}{Start LR-mode}%
\DeclareRobustCommand\big[1]{\leavevmode@ifvmode
   {\hbox{$\left#1\vbox to8.5\p@{}\right.\n@space$}}}
\DeclareRobustCommand\Big[1]{\leavevmode@ifvmode
   {\hbox{$\left#1\vbox to11.5\p@{}\right.\n@space$}}}
\DeclareRobustCommand\bigg[1]{\leavevmode@ifvmode
   {\hbox{$\left#1\vbox to14.5\p@{}\right.\n@space$}}}
\DeclareRobustCommand\Bigg[1]{\leavevmode@ifvmode
   {\hbox{$\left#1\vbox to17.5\p@{}\right.\n@space$}}}
\EndIncludeInRelease
\IncludeInRelease{0000/00/00}%
                 {\Big}{Start LR-mode}%
\def\big#1{{\hbox{$\left#1\vbox to8.5\p@{}\right.\n@space$}}}
\def\Big#1{{\hbox{$\left#1\vbox to11.5\p@{}\right.\n@space$}}}
\def\bigg#1{{\hbox{$\left#1\vbox to14.5\p@{}\right.\n@space$}}}
\def\Bigg#1{{\hbox{$\left#1\vbox to17.5\p@{}\right.\n@space$}}}
\EndIncludeInRelease
%%% From File: ltfntcmd.dtx
%%
\IncludeInRelease{2020/02/02}%
                 {\textulc}{Additional text commands}%
\DeclareTextFontCommand{\textulc}{\ulcshape}
\DeclareTextFontCommand{\textsw}{\swshape}
\DeclareTextFontCommand{\textssc}{\sscshape}
\EndIncludeInRelease
\IncludeInRelease{0000/00/00}%
                 {\textulc}{Additional text commands}%

\let\textulc\@undefined
\let\textsw\@undefined
\let\textssc\@undefined
\EndIncludeInRelease
\IncludeInRelease{2020/02/02}%
                 {\oldstylenums}{Old style numerals}%
\DeclareRobustCommand\legacyoldstylenums[1]{%
   \begingroup
    \spaceskip\fontdimen\tw@\font
    \usefont{OML}{\rmdefault}{\f@series}{it}%
    \mathgroup\symletters #1%
   \endgroup
}
\DeclareRobustCommand\oldstylenums[1]{%
 \begingroup
 \ifmmode
   \mathgroup\symletters #1%
  \else
   \CheckEncodingSubset\@use@text@encoding{TS1}\tc@oldstylesubst2{{#1}}%
 \fi
 \endgroup
}
\def\tc@oldstylesubst#1{%
   \tc@errorwarn
          {Oldstyle digits unavailable for
           family \f@family.\MessageBreak
           Default oldstyle digits used instead}\@eha
  \bgroup
      \expand@font@defaults
      \ifx\f@family\rmdef@ult
         \fontfamily\rmsubstdefault
      \else\ifx\f@family\sfdef@ult
         \fontfamily\sfsubstdefault
      \else\ifx\f@family\ttdef@ult
         \fontfamily\ttsubstdefault
      \else
        \fontfamily\textcompsubstdefault
      \fi\fi\fi
      \fontencoding{TS1}\selectfont#1%
  \egroup
}
\def\textcompsubstdefault{\rmsubstdefault}
\EndIncludeInRelease
\IncludeInRelease{0000/00/00}%
                 {\oldstylenums}{Old style numerals}%

\DeclareRobustCommand\oldstylenums[1]{%
   \begingroup
    \spaceskip\fontdimen\tw@\font
    \usefont{OML}{\rmdefault}{\f@series}{it}%
    \mathgroup\symletters #1%
   \endgroup
}
\let\legacyoldstylenums\@undefined
\def\textcompsubstdefault{cmr}

\EndIncludeInRelease

\IncludeInRelease{2020/02/02}%
   {\DeclareEncodingSubset}{Text companion symbols}%
\def\DeclareEncodingSubset#1#2{%
  \DeclareEncodingSubset@aux{#1}#2*\DeclareEncodingSubset@aux
}
\def\DeclareEncodingSubset@aux#1#2*#3\DeclareEncodingSubset@aux#4{%
  \expandafter\ifx\expandafter X\detokenize{#3}X%
    \@DeclareEncodingSubset{#1}{#2}{#4}%
  \else
    \@DeclareEncodingSubset{#1}{#2LF}{#4}%
    \@DeclareEncodingSubset{#1}{#2TLF}{#4}%
    \@DeclareEncodingSubset{#1}{#2OsF}{#4}%
    \@DeclareEncodingSubset{#1}{#2TOsF}{#4}%
  \fi
}
\def\@DeclareEncodingSubset#1#2#3{%
   \@ifundefined{#1:#2}%
     {\@font@info{Setting #2 sub-encoding to #1/#3}}%
     {\@font@info{Changing #2 sub-encoding to #1/#3}}%
     \@namedef{#1:#2}{#3}}
\@onlypreamble\DeclareEncodingSubset
\@onlypreamble\DeclareEncodingSubset@aux
\@onlypreamble\@DeclareEncodingSubset


\def\CheckEncodingSubset#1#2#3#4#5{%
    \ifnum #4>%
      \expandafter\ifx\csname #2:\f@family\endcsname\relax
        0\csname #2:?\endcsname
      \else
        \csname #2:\f@family\endcsname
      \fi
   \relax
   \expandafter\@firstoftwo
  \else
   \expandafter\@secondoftwo
 \fi
  {#1{#2}}{#3}%
  #5%
}

\def\tc@errorwarn#1#2{\@latex@info{#1}}

\def\tc@subst#1{%
   \tc@errorwarn
    {Symbol \string#1 not provided by\MessageBreak
     font family \f@family\space
     in TS1 encoding.\MessageBreak Default family used instead}\@eha
  \bgroup
      \expand@font@defaults
      \ifx\f@family\rmdef@ult
         \fontfamily\rmsubstdefault
      \else\ifx\f@family\sfdef@ult
         \fontfamily\sfsubstdefault
      \else\ifx\f@family\ttdef@ult
         \fontfamily\ttsubstdefault
      \else
         \fontfamily\textcompsubstdefault
      \fi\fi\fi
      \@namedef{TS1:\f@family}{0}%
      \selectfont#1%
  \egroup
}

\def\tc@fake@euro#1{%
   \leavevmode
   \@font@info{Faking \noexpand#1for font family
                          \f@family\MessageBreak in TS1 encoding}%
   \valign{##\cr
      \vfil\hbox to 0.07em{\dimen@\f@size\p@
                           \math@fontsfalse
                           \fontsize{.7\dimen@}\z@\selectfont=\hss}%
      \vfil\cr%
      \hbox{C}\crcr
   }%
}

\def\tc@check@symbol{\CheckEncodingSubset\UseTextSymbol{TS1}\tc@subst}
\def\tc@check@accent#1{\CheckEncodingSubset\UseTextAccent{TS1}{\tc@swap@accent#1}}
\def\tc@swap@accent#1#2{\UseTextAccent{T1}#1}

\DeclareTextSymbolDefault{\textdollar}{TS1}
\UndeclareTextCommand{\textdollar}  {OT1}         % don't use the OT1 def any longer
\DeclareTextSymbolDefault{\textsterling}{TS1}
\UndeclareTextCommand{\textsterling}{OT1}         % don't use the OT1 def any longer
\DeclareTextSymbolDefault{\textperthousand}{TS1}
\UndeclareTextCommand{\textperthousand}{T1}       % don't use the T1 def
\DeclareTextSymbolDefault{\textasteriskcentered}{TS1}
\DeclareTextSymbolDefault{\textbullet}{TS1}
\DeclareTextSymbolDefault{\textdaggerdbl}{TS1}
\DeclareTextSymbolDefault{\textdagger}{TS1}
\DeclareTextSymbolDefault{\textparagraph}{TS1}
\DeclareTextSymbolDefault{\textperiodcentered}{TS1}
\DeclareTextSymbolDefault{\textsection}{TS1}
%%\DeclareTextSymbolDefault{\textbardbl}{TS1} % subst in sub-enc 9 above
\DeclareTextSymbolDefault{\textbrokenbar}{TS1}
%%\DeclareTextSymbolDefault{\textcelsius}{TS1} % subst in sub-enc 9 above
\DeclareTextSymbolDefault{\textcent}{TS1}
\DeclareTextSymbolDefault{\textcopyright}{TS1}
\DeclareTextSymbolDefault{\textdegree}{TS1}
\DeclareTextSymbolDefault{\textdiv}{TS1}
\DeclareTextSymbolDefault{\textlnot}{TS1}
\DeclareTextSymbolDefault{\textonehalf}{TS1}
\DeclareTextSymbolDefault{\textonequarter}{TS1}
%%\DeclareTextSymbolDefault{\textonesuperior}{TS1} % subst in sub-enc 9 above
\DeclareTextSymbolDefault{\textordfeminine}{TS1}
\DeclareTextSymbolDefault{\textordmasculine}{TS1}
\DeclareTextSymbolDefault{\textpm}{TS1}
\DeclareTextSymbolDefault{\textquotesingle}{TS1}
\DeclareTextSymbolDefault{\textquotestraightbase}{TS1}
\DeclareTextSymbolDefault{\textquotestraightdblbase}{TS1}
\DeclareTextSymbolDefault{\textregistered}{TS1}
%%\DeclareTextSymbolDefault{\textthreequartersemdash}{TS1} % subst in sub-enc 9 above
\DeclareTextSymbolDefault{\textthreequarters}{TS1}
%%\DeclareTextSymbolDefault{\textthreesuperior}{TS1} % subst in sub-enc 9 above
\DeclareTextSymbolDefault{\texttimes}{TS1}
\DeclareTextSymbolDefault{\texttrademark}{TS1}
%%\DeclareTextSymbolDefault{\texttwelveudash}{TS1} % subst in sub-enc 9 above
%%\DeclareTextSymbolDefault{\texttwosuperior}{TS1} % subst in sub-enc 9 above
\DeclareTextSymbolDefault{\textyen}{TS1}
\DeclareTextSymbolDefault{\textcapitalcompwordmark}{TS1}
\DeclareTextSymbolDefault{\textascendercompwordmark}{TS1}
\DeclareTextCommandDefault{\textcircled}
  {\CheckEncodingSubset\UseTextAccent{TS1}{\UseTextAccent{OMS}}1\textcircled}
\DeclareTextCommandDefault{\t}
  {\CheckEncodingSubset\UseTextAccent{TS1}{\UseTextAccent{OML}}2\t}
\ifx\Umathcode\@undefined
  \DeclareTextCommandDefault{\capitalacute}       {\tc@check@accent{\'}2\capitalacute}
  \DeclareTextCommandDefault{\capitalbreve}       {\tc@check@accent{\u}2\capitalbreve}
  \DeclareTextCommandDefault{\capitalcaron}       {\tc@check@accent{\v}2\capitalcaron}
  \DeclareTextCommandDefault{\capitalcedilla}     {\tc@check@accent{\c}2\capitalcedilla}
  \DeclareTextCommandDefault{\capitalcircumflex}  {\tc@check@accent{\^}2\capitalcircumflex}
  \DeclareTextCommandDefault{\capitaldieresis}    {\tc@check@accent{\"}2\capitaldieresis}
  \DeclareTextCommandDefault{\capitaldotaccent}   {\tc@check@accent{\.}2\capitaldotaccent}
  \DeclareTextCommandDefault{\capitalgrave}       {\tc@check@accent{\`}2\capitalgrave}
  \DeclareTextCommandDefault{\capitalhungarumlaut}{\tc@check@accent{\H}2\capitalhungarumlaut}
  \DeclareTextCommandDefault{\capitalmacron}      {\tc@check@accent{\=}2\capitalmacron}
  \DeclareTextCommandDefault{\capitalogonek}      {\tc@check@accent{\k}2\capitalogonek}
  \DeclareTextCommandDefault{\capitalring}        {\tc@check@accent{\r}2\capitalring}
  \DeclareTextCommandDefault{\capitaltie}         {\tc@check@accent{\t}2\capitaltie}
  \DeclareTextCommandDefault{\capitaltilde}       {\tc@check@accent{\~}2\capitaltilde}
  \DeclareTextCommandDefault{\newtie}             {\tc@check@accent{\t}2\newtie}
  \DeclareTextCommandDefault{\capitalnewtie}      {\tc@check@accent{\t}2\capitalnewtie}
\else
  \DeclareTextCommandDefault\capitalacute{\@tabacckludge'}
  \DeclareTextCommandDefault\capitalbreve{\u}
  \DeclareTextCommandDefault\capitalcaron{\v}
  \DeclareTextCommandDefault\capitalcedilla{\c}
  \DeclareTextCommandDefault\capitalcircumflex{\^}
  \DeclareTextCommandDefault\capitaldieresis{\"}
  \DeclareTextCommandDefault\capitaldotaccent{\.}
  \DeclareTextCommandDefault\capitalgrave{\@tabacckludge`}
  \DeclareTextCommandDefault\capitalhungarumlaut{\H}
  \DeclareTextCommandDefault\capitalmacron{\@tabacckludge=}
  \DeclareTextCommandDefault\capitalnewtie{\t}
  \DeclareTextCommandDefault\capitalogonek{\k}
  \DeclareTextCommandDefault\capitalring{\r}
  \DeclareTextCommandDefault\capitaltie{\t}
  \DeclareTextCommandDefault\capitaltilde{\~}
  \DeclareTextCommandDefault\newtie{\t}
\fi
\DeclareTextCommandDefault{\textlbrackdbl}      {\tc@check@symbol2\textlbrackdbl}
\DeclareTextCommandDefault{\textrbrackdbl}      {\tc@check@symbol2\textrbrackdbl}
\DeclareTextCommandDefault{\texteightoldstyle}  {\tc@check@symbol2\texteightoldstyle}
\DeclareTextCommandDefault{\textfiveoldstyle}   {\tc@check@symbol2\textfiveoldstyle}
\DeclareTextCommandDefault{\textfouroldstyle}   {\tc@check@symbol2\textfouroldstyle}
\DeclareTextCommandDefault{\textnineoldstyle}   {\tc@check@symbol2\textnineoldstyle}
\DeclareTextCommandDefault{\textoneoldstyle}    {\tc@check@symbol2\textoneoldstyle}
\DeclareTextCommandDefault{\textsevenoldstyle}  {\tc@check@symbol2\textsevenoldstyle}
\DeclareTextCommandDefault{\textsixoldstyle}    {\tc@check@symbol2\textsixoldstyle}
\DeclareTextCommandDefault{\textthreeoldstyle}  {\tc@check@symbol2\textthreeoldstyle}
\DeclareTextCommandDefault{\texttwooldstyle}    {\tc@check@symbol2\texttwooldstyle}
\DeclareTextCommandDefault{\textzerooldstyle}   {\tc@check@symbol2\textzerooldstyle}
\DeclareTextCommandDefault{\textacutedbl}       {\tc@check@symbol2\textacutedbl}
\DeclareTextCommandDefault{\textasciiacute}     {\tc@check@symbol2\textasciiacute}
\DeclareTextCommandDefault{\textasciibreve}     {\tc@check@symbol2\textasciibreve}
\DeclareTextCommandDefault{\textasciicaron}     {\tc@check@symbol2\textasciicaron}
\DeclareTextCommandDefault{\textasciidieresis}  {\tc@check@symbol2\textasciidieresis}
\DeclareTextCommandDefault{\textasciigrave}     {\tc@check@symbol2\textasciigrave}
\DeclareTextCommandDefault{\textasciimacron}    {\tc@check@symbol2\textasciimacron}
\DeclareTextCommandDefault{\textgravedbl}       {\tc@check@symbol2\textgravedbl}
\DeclareTextCommandDefault{\texttildelow}       {\tc@check@symbol2\texttildelow}
\DeclareTextCommandDefault{\textbaht}           {\tc@check@symbol2\textbaht}
\DeclareTextCommandDefault{\textbigcircle}      {\tc@check@symbol2\textbigcircle}
\DeclareTextCommandDefault{\textborn}           {\tc@check@symbol2\textborn}
\DeclareTextCommandDefault{\textcentoldstyle}   {\tc@check@symbol2\textcentoldstyle}
\DeclareTextCommandDefault{\textcircledP}       {\tc@check@symbol2\textcircledP}
\DeclareTextCommandDefault{\textcopyleft}       {\tc@check@symbol2\textcopyleft}
\DeclareTextCommandDefault{\textdblhyphenchar}  {\tc@check@symbol2\textdblhyphenchar}
\DeclareTextCommandDefault{\textdblhyphen}      {\tc@check@symbol2\textdblhyphen}
\DeclareTextCommandDefault{\textdied}           {\tc@check@symbol2\textdied}
\DeclareTextCommandDefault{\textdiscount}       {\tc@check@symbol2\textdiscount}
\DeclareTextCommandDefault{\textdivorced}       {\tc@check@symbol2\textdivorced}
\DeclareTextCommandDefault{\textdollaroldstyle} {\tc@check@symbol2\textdollaroldstyle}
\DeclareTextCommandDefault{\textguarani}        {\tc@check@symbol2\textguarani}
\DeclareTextCommandDefault{\textleaf}           {\tc@check@symbol2\textleaf}
\DeclareTextCommandDefault{\textlquill}         {\tc@check@symbol2\textlquill}
\DeclareTextCommandDefault{\textmarried}        {\tc@check@symbol2\textmarried}
\DeclareTextCommandDefault{\textmho}            {\tc@check@symbol2\textmho}
\DeclareTextCommandDefault{\textmusicalnote}    {\tc@check@symbol2\textmusicalnote}
\DeclareTextCommandDefault{\textnaira}          {\tc@check@symbol2\textnaira}
\DeclareTextCommandDefault{\textopenbullet}     {\tc@check@symbol2\textopenbullet}
\DeclareTextCommandDefault{\textpeso}           {\tc@check@symbol2\textpeso}
\DeclareTextCommandDefault{\textpilcrow}        {\tc@check@symbol2\textpilcrow}
\DeclareTextCommandDefault{\textrecipe}         {\tc@check@symbol2\textrecipe}
\DeclareTextCommandDefault{\textreferencemark}  {\tc@check@symbol2\textreferencemark}
\DeclareTextCommandDefault{\textrquill}         {\tc@check@symbol2\textrquill}
\DeclareTextCommandDefault{\textservicemark}    {\tc@check@symbol2\textservicemark}
\DeclareTextCommandDefault{\textsurd}           {\tc@check@symbol2\textsurd}
\DeclareTextCommandDefault{\textpertenthousand} {\tc@check@symbol2\textpertenthousand}
\UndeclareTextCommand{\textpertenthousand}{T1}
\DeclareTextCommandDefault{\textlangle}         {\tc@check@symbol3\textlangle}
\DeclareTextCommandDefault{\textrangle}         {\tc@check@symbol3\textrangle}
\DeclareTextCommandDefault{\textcolonmonetary}  {\tc@check@symbol4\textcolonmonetary}
\DeclareTextCommandDefault{\textdong}           {\tc@check@symbol4\textdong}
\DeclareTextCommandDefault{\textdownarrow}      {\tc@check@symbol4\textdownarrow}
\DeclareTextCommandDefault{\textleftarrow}      {\tc@check@symbol4\textleftarrow}
\DeclareTextCommandDefault{\textlira}           {\tc@check@symbol4\textlira}
\DeclareTextCommandDefault{\textrightarrow}     {\tc@check@symbol4\textrightarrow}
\DeclareTextCommandDefault{\textuparrow}        {\tc@check@symbol4\textuparrow}
\DeclareTextCommandDefault{\textwon}            {\tc@check@symbol4\textwon}
\DeclareTextCommandDefault{\textestimated}      {\tc@check@symbol5\textestimated}
\DeclareTextCommandDefault{\textnumero}         {\tc@check@symbol5\textnumero}
\DeclareTextCommandDefault{\textflorin}         {\tc@check@symbol6\textflorin}
\DeclareTextCommandDefault{\textcurrency}       {\tc@check@symbol6\textcurrency}
\DeclareTextCommandDefault{\textfractionsolidus}{\tc@check@symbol7\textfractionsolidus}
\DeclareTextCommandDefault{\textohm}            {\tc@check@symbol7\textohm}
\DeclareTextCommandDefault{\textmu}             {\tc@check@symbol7\textmu}
\DeclareTextCommandDefault{\textminus}          {\tc@check@symbol7\textminus}
\DeclareTextCommandDefault{\textblank}          {\tc@check@symbol{8}\textblank}
\DeclareTextCommandDefault{\textinterrobangdown}{\tc@check@symbol{8}\textinterrobangdown}
\DeclareTextCommandDefault{\textinterrobang}    {\tc@check@symbol{8}\textinterrobang}
\DeclareTextCommandDefault{\texteuro}
            {\CheckEncodingSubset\UseTextSymbol{TS1}\tc@fake@euro{8}\texteuro}
\DeclareTextCommandDefault{\textcelsius}{\tc@check@symbol{9}\textcelsius}
\DeclareTextCommandDefault{\textonesuperior}{\tc@check@symbol{9}\textonesuperior}
\DeclareTextCommandDefault{\textthreequartersemdash}{\tc@check@symbol{9}\textthreequartersemdash}
\DeclareTextCommandDefault{\textthreesuperior}{\tc@check@symbol{9}\textthreesuperior}
\DeclareTextCommandDefault{\texttwelveudash}{\tc@check@symbol{9}\texttwelveudash}
\DeclareTextCommandDefault{\texttwosuperior}{\tc@check@symbol{9}\texttwosuperior}
\DeclareTextCommandDefault{\textbardbl}{\tc@check@symbol{9}\textbardbl}

\ifx \Umathcode\@undefined  \else
\DeclareTextCommand{\textzerooldstyle} \UnicodeEncodingName{\oldstylenums{0}}
\DeclareTextCommand{\textoneoldstyle}  \UnicodeEncodingName{\oldstylenums{1}}
\DeclareTextCommand{\texttwooldstyle}  \UnicodeEncodingName{\oldstylenums{2}}
\DeclareTextCommand{\textthreeoldstyle}\UnicodeEncodingName{\oldstylenums{3}}
\DeclareTextCommand{\textfouroldstyle} \UnicodeEncodingName{\oldstylenums{4}}
\DeclareTextCommand{\textfiveoldstyle} \UnicodeEncodingName{\oldstylenums{5}}
\DeclareTextCommand{\textsixoldstyle}  \UnicodeEncodingName{\oldstylenums{6}}
\DeclareTextCommand{\textsevenoldstyle}\UnicodeEncodingName{\oldstylenums{7}}
\DeclareTextCommand{\texteightoldstyle}\UnicodeEncodingName{\oldstylenums{8}}
\DeclareTextCommand{\textnineoldstyle} \UnicodeEncodingName{\oldstylenums{9}}
\DeclareTextSymbol{\textpilcrow}       \UnicodeEncodingName{"00B6}
\DeclareTextSymbol{\textborn}          \UnicodeEncodingName{"002A}
\DeclareTextSymbol{\textdied}          \UnicodeEncodingName{"2020}
\DeclareTextSymbol{\textlbrackdbl}     \UnicodeEncodingName{"27E6}
\DeclareTextSymbol{\textrbrackdbl}     \UnicodeEncodingName{"27E7}
\DeclareTextSymbol{\textguarani}       \UnicodeEncodingName{"20B2}
\DeclareTextSymbol{\textdollaroldstyle}{TS1}{138}
\DeclareTextSymbol{\textcentoldstyle}  {TS1}{139}
\fi               % --- END of Unicode engines specials
\DeclareEncodingSubset{TS1}{?}{9}
\DeclareEncodingSubset{TS1}{ccr}     {0}
\DeclareEncodingSubset{TS1}{cmbr}    {0}
\DeclareEncodingSubset{TS1}{cmr}     {0}
\DeclareEncodingSubset{TS1}{cmss}    {0}
\DeclareEncodingSubset{TS1}{cmtl}    {0}
\DeclareEncodingSubset{TS1}{cmtt}    {0}
\DeclareEncodingSubset{TS1}{cmvtt}   {0}
\DeclareEncodingSubset{TS1}{pxr}     {0}
\DeclareEncodingSubset{TS1}{pxss}    {0}
\DeclareEncodingSubset{TS1}{pxtt}    {0}
\DeclareEncodingSubset{TS1}{qag}     {0}
\DeclareEncodingSubset{TS1}{qbk}     {0}
\DeclareEncodingSubset{TS1}{qcr}     {0}
\DeclareEncodingSubset{TS1}{qcs}     {0}
\DeclareEncodingSubset{TS1}{qhvc}    {0}
\DeclareEncodingSubset{TS1}{qhv}     {0}
\DeclareEncodingSubset{TS1}{qpl}     {0}
\DeclareEncodingSubset{TS1}{qtm}     {0}
\DeclareEncodingSubset{TS1}{qzc}     {0}
\DeclareEncodingSubset{TS1}{txr}     {0}
\DeclareEncodingSubset{TS1}{txss}    {0}
\DeclareEncodingSubset{TS1}{txtt}    {0}
\DeclareEncodingSubset{TS1}{lmr}     {1}
\DeclareEncodingSubset{TS1}{lmdh}    {1}
\DeclareEncodingSubset{TS1}{lmss}    {1}
\DeclareEncodingSubset{TS1}{lmssq}   {1}
\DeclareEncodingSubset{TS1}{lmvtt}   {1}
\DeclareEncodingSubset{TS1}{lmtt}    {1} % missing TM, SM, pertenthousand for some reason
\DeclareEncodingSubset{TS1}{ptmx}    {2}
\DeclareEncodingSubset{TS1}{ptmj}    {2}
\DeclareEncodingSubset{TS1}{ul8}     {2}
\DeclareEncodingSubset{TS1}{bch}     {5}  % tofu for blank, ohm
\DeclareEncodingSubset{TS1}{futj}    {5}  % tofu for blank, interrobang/down, ohm
\DeclareEncodingSubset{TS1}{futs}    {5}  % tofu for blank, ohm
\DeclareEncodingSubset{TS1}{futx}    {5}  % probably (currently broken distrib)
\DeclareEncodingSubset{TS1}{pag}     {5}  % tofu for blank, interrobang/down, ohm
\DeclareEncodingSubset{TS1}{pbk}     {5}  % tofu for blank, interrobang/down, ohm
\DeclareEncodingSubset{TS1}{pcr}     {5}  % tofu for blank, interrobang/down, ohm
\DeclareEncodingSubset{TS1}{phv}     {5}  % tofu for blank, interrobang/down, ohm
\DeclareEncodingSubset{TS1}{pnc}     {5}  % tofu for blank, interrobang/down, ohm
\DeclareEncodingSubset{TS1}{pplj}    {5}  % tofu for blank
\DeclareEncodingSubset{TS1}{pplx}    {5}  % tofu for blank
\DeclareEncodingSubset{TS1}{ppl}     {5}  % tofu for blank interrobang/down
\DeclareEncodingSubset{TS1}{ptm}     {5}  % tofu for blank, interrobang/down, ohm
\DeclareEncodingSubset{TS1}{pzc}     {5}  % tofu for blank, interrobang/down, ohm
\DeclareEncodingSubset{TS1}{ul9}     {5}  % tofu for blank, interrobang/down, ohm
\DeclareEncodingSubset{TS1}{dayroms} {6}  % tofu for blank, interrobang/down, ohm
\DeclareEncodingSubset{TS1}{dayrom}  {6}  % tofu for blank, interrobang/down, ohm
\DeclareEncodingSubset{TS1}{augie}   {8}  % really only missing euro
\DeclareEncodingSubset{TS1}{put}     {8}
\DeclareEncodingSubset{TS1}{uag}     {8}  % probably (currently broken distrib)
\DeclareEncodingSubset{TS1}{ugq}     {8}
\DeclareEncodingSubset{TS1}{zi4}     {9}
\DeclareEncodingSubset{TS1}{hls}     {5}
\DeclareEncodingSubset{TS1}{hlst}    {5}
\DeclareEncodingSubset{TS1}{hlct}    {5}
\DeclareEncodingSubset{TS1}{hlh}     {5}
\DeclareEncodingSubset{TS1}{hlx}     {8}
\DeclareEncodingSubset{TS1}{hlce}    {8}
\DeclareEncodingSubset{TS1}{hlcn}    {8}
\DeclareEncodingSubset{TS1}{hlcw}    {8}
\DeclareEncodingSubset{TS1}{hlcf}    {8}
\DeclareEncodingSubset{TS1}{lato-*}                   {0}  % with a bunch of tofu inside
\DeclareEncodingSubset{TS1}{opensans-*}               {0}  % with a bunch of tofu inside
\DeclareEncodingSubset{TS1}{cantarell-*}              {0}  % with a bunch of tofu inside
\DeclareEncodingSubset{TS1}{fbb-*}                    {0}  % missing centoldstyle
\DeclareEncodingSubset{TS1}{tli}                      {1}  % with lots of tofu inside
\DeclareEncodingSubset{TS1}{Alegreya-*}               {2}
\DeclareEncodingSubset{TS1}{AlegreyaSans-*}           {2}
\DeclareEncodingSubset{TS1}{DejaVuSans-TLF}           {2}
\DeclareEncodingSubset{TS1}{DejaVuSansCondensed-TLF}  {2}
\DeclareEncodingSubset{TS1}{DejaVuSansMono-TLF}       {2}
\DeclareEncodingSubset{TS1}{EBGaramond-*}             {2}
\DeclareEncodingSubset{TS1}{Tempora-TLF}              {2}
\DeclareEncodingSubset{TS1}{Tempora-TOsF}             {2}
\DeclareEncodingSubset{TS1}{Arimo-TLF}                {3}
\DeclareEncodingSubset{TS1}{Carlito-*}                {3}
\DeclareEncodingSubset{TS1}{FiraSans-*}               {3}
\DeclareEncodingSubset{TS1}{IBMPlexSans-TLF}          {3}
\DeclareEncodingSubset{TS1}{Merriweather-OsF}         {3}
\DeclareEncodingSubset{TS1}{Montserrat-*}             {3}
\DeclareEncodingSubset{TS1}{MontserratAlternates-*}   {3}
\DeclareEncodingSubset{TS1}{SourceCodePro-TLF}        {3}
\DeclareEncodingSubset{TS1}{SourceCodePro-TOsF}       {3}
\DeclareEncodingSubset{TS1}{SourceSansPro-*}          {3}
\DeclareEncodingSubset{TS1}{SourceSerifPro-*}         {3}
\DeclareEncodingSubset{TS1}{Tinos-TLF}                {3}
\DeclareEncodingSubset{TS1}{AccanthisADFStdNoThree-LF}{4}
\DeclareEncodingSubset{TS1}{Cabin-TLF}                {4}
\DeclareEncodingSubset{TS1}{Caladea-TLF}              {4}
\DeclareEncodingSubset{TS1}{Chivo-*}                  {4}
\DeclareEncodingSubset{TS1}{ClearSans-TLF}            {4}
\DeclareEncodingSubset{TS1}{Coelacanth-LF}            {4}
\DeclareEncodingSubset{TS1}{CrimsonPro-*}             {4}
\DeclareEncodingSubset{TS1}{FiraMono-TLF}             {4}
\DeclareEncodingSubset{TS1}{FiraMono-TOsF}            {4}
\DeclareEncodingSubset{TS1}{Go-TLF}                   {4}
\DeclareEncodingSubset{TS1}{GoMono-TLF}               {4}
\DeclareEncodingSubset{TS1}{InriaSans-*}              {4}
\DeclareEncodingSubset{TS1}{InriaSerif-*}             {4}
\DeclareEncodingSubset{TS1}{LibertinusSans-*}         {4}
\DeclareEncodingSubset{TS1}{LibertinusSerif-*}        {4}
\DeclareEncodingSubset{TS1}{LibreBodoni-TLF}          {4}
\DeclareEncodingSubset{TS1}{LibreFranklin-TLF}        {4}
\DeclareEncodingSubset{TS1}{LinguisticsPro-LF}        {4}
\DeclareEncodingSubset{TS1}{LinguisticsPro-OsF}       {4}
\DeclareEncodingSubset{TS1}{LinuxBiolinumT-*}         {4}
\DeclareEncodingSubset{TS1}{LinuxLibertineT-*}        {4}
\DeclareEncodingSubset{TS1}{MerriweatherSans-OsF}     {4}
\DeclareEncodingSubset{TS1}{MintSpirit-*}             {4}
\DeclareEncodingSubset{TS1}{MintSpiritNoTwo-*}        {4}
\DeclareEncodingSubset{TS1}{PTMono-TLF}               {4}
\DeclareEncodingSubset{TS1}{PTSans-TLF}               {4}
\DeclareEncodingSubset{TS1}{PTSansCaption-TLF}        {4}
\DeclareEncodingSubset{TS1}{PTSansNarrow-TLF}         {4}
\DeclareEncodingSubset{TS1}{PTSerif-TLF}              {4}
\DeclareEncodingSubset{TS1}{PTSerifCaption-TLF}       {4}
\DeclareEncodingSubset{TS1}{Raleway-TLF}              {4}
\DeclareEncodingSubset{TS1}{Raleway-TOsF}             {4}
\DeclareEncodingSubset{TS1}{Roboto-*}                 {4}
\DeclareEncodingSubset{TS1}{RobotoMono-TLF}           {4}
\DeclareEncodingSubset{TS1}{RobotoSlab-TLF}           {4}
\DeclareEncodingSubset{TS1}{Rosario-*}                {4}
\DeclareEncodingSubset{TS1}{SticksTooText-*}          {4}
\DeclareEncodingSubset{TS1}{UniversalisADFStd-LF}     {4}
\DeclareEncodingSubset{TS1}{Almendra-OsF}             {5}
\DeclareEncodingSubset{TS1}{Baskervaldx-*}            {5}
\DeclareEncodingSubset{TS1}{BaskervilleF-*}           {5}
\DeclareEncodingSubset{TS1}{Bitter-TLF}               {5}
\DeclareEncodingSubset{TS1}{Cinzel-LF}                {5}
\DeclareEncodingSubset{TS1}{CinzelDecorative-LF}      {5}
\DeclareEncodingSubset{TS1}{DejaVuSerif-TLF}          {5}
\DeclareEncodingSubset{TS1}{DejaVuSerifCondensed-TLF} {5}
\DeclareEncodingSubset{TS1}{GilliusADF-LF}            {5}
\DeclareEncodingSubset{TS1}{GilliusADFCond-LF}        {5}
\DeclareEncodingSubset{TS1}{GilliusADFNoTwo-LF}       {5}
\DeclareEncodingSubset{TS1}{GilliusADFNoTwoCond-LF}   {5}
\DeclareEncodingSubset{TS1}{LobsterTwo-LF}            {5}
\DeclareEncodingSubset{TS1}{OldStandard-TLF}          {5}
\DeclareEncodingSubset{TS1}{PlayfairDisplay-TLF}      {5}
\DeclareEncodingSubset{TS1}{PlayfairDisplay-TOsF}     {5}
\DeclareEncodingSubset{TS1}{TheanoDidot-TLF}          {5}
\DeclareEncodingSubset{TS1}{TheanoDidot-TOsF}         {5}
\DeclareEncodingSubset{TS1}{TheanoModern-TLF}         {5}
\DeclareEncodingSubset{TS1}{TheanoModern-TOsF}        {5}
\DeclareEncodingSubset{TS1}{TheanoOldStyle-TLF}       {5}
\DeclareEncodingSubset{TS1}{TheanoOldStyle-TOsF}      {5}
\DeclareEncodingSubset{TS1}{Crimson-TLF}              {6}
\DeclareEncodingSubset{TS1}{IBMPlexMono-TLF}          {6}
\DeclareEncodingSubset{TS1}{IBMPlexSerif-TLF}         {6}
\DeclareEncodingSubset{TS1}{LibertinusMono-TLF}       {6}
\DeclareEncodingSubset{TS1}{LibertinusSerifDisplay-LF}{6}
\DeclareEncodingSubset{TS1}{LinuxLibertineDisplayT-*} {6}
\DeclareEncodingSubset{TS1}{LinuxLibertineMonoT-LF}   {6}
\DeclareEncodingSubset{TS1}{LinuxLibertineMonoT-TLF}  {6}
\DeclareEncodingSubset{TS1}{Overlock-LF}              {6}
\DeclareEncodingSubset{TS1}{CormorantGaramond-*}      {7}
\DeclareEncodingSubset{TS1}{Heuristica-TLF}           {7}
\DeclareEncodingSubset{TS1}{Heuristica-TOsF}          {7}
\DeclareEncodingSubset{TS1}{IMFELLEnglish-TLF}        {7}
\DeclareEncodingSubset{TS1}{LibreBaskerville-TLF}     {7}
\DeclareEncodingSubset{TS1}{LibreCaslon-*}            {7}
\DeclareEncodingSubset{TS1}{Marcellus-LF}             {7}
\DeclareEncodingSubset{TS1}{NotoSans-*}               {7}
\DeclareEncodingSubset{TS1}{NotoSansMono-TLF}         {7}
\DeclareEncodingSubset{TS1}{NotoSansMono-TOsF}        {7}
\DeclareEncodingSubset{TS1}{NotoSerif-*}              {7}
\DeclareEncodingSubset{TS1}{Quattrocento-TLF}         {7}
\DeclareEncodingSubset{TS1}{QuattrocentoSans-TLF}     {7}
\DeclareEncodingSubset{TS1}{XCharter-TLF}             {7}
\DeclareEncodingSubset{TS1}{XCharter-TOsF}            {7}
\DeclareEncodingSubset{TS1}{erewhon-*}                {7}
\DeclareEncodingSubset{TS1}{ComicNeue-TLF}            {7}
\DeclareEncodingSubset{TS1}{ComicNeueAngular-TLF}     {7}
\DeclareEncodingSubset{TS1}{Forum-LF}                 {7}  % the superiors are missing
\DeclareEncodingSubset{TS1}{Cochineal-*}              {8}
\DeclareEncodingSubset{TS1}{AlgolRevived-TLF}         {9}
\def\UseLegacyTextSymbols{%
  \DeclareTextSymbolDefault{\textasteriskcentered}{OMS}%
  \DeclareTextSymbolDefault{\textbardbl}{OMS}%
  \DeclareTextSymbolDefault{\textbullet}{OMS}%
  \DeclareTextSymbolDefault{\textdaggerdbl}{OMS}%
  \DeclareTextSymbolDefault{\textdagger}{OMS}%
  \DeclareTextSymbolDefault{\textparagraph}{OMS}%
  \DeclareTextSymbolDefault{\textperiodcentered}{OMS}%
  \DeclareTextSymbolDefault{\textsection}{OMS}%
  \UndeclareTextCommand{\textsection}{T1}%
  \expandafter\let\csname oldstylenums \expandafter\endcsname
                  \csname legacyoldstylenums \endcsname
}

\DeclareTextSymbol{\textlegacyasteriskcentered}{OMS}{3}   % "03
\DeclareTextSymbol{\textlegacybardbl}{OMS}{107}           % "6B
\DeclareTextSymbol{\textlegacybullet}{OMS}{15}            % "0F
\DeclareTextSymbol{\textlegacydaggerdbl}{OMS}{122}        % "7A
\DeclareTextSymbol{\textlegacydagger}{OMS}{121}           % "79
\DeclareTextSymbol{\textlegacyparagraph}{OMS}{123}        % "7B
\DeclareTextSymbol{\textlegacyperiodcentered}{OMS}{1}     % "01
\DeclareTextSymbol{\textlegacysection}{OMS}{120}          % "78
\DeclareTextSymbolDefault{\textlegacyasteriskcentered}{OMS}
\DeclareTextSymbolDefault{\textlegacybardbl}{OMS}
\DeclareTextSymbolDefault{\textlegacybullet}{OMS}
\DeclareTextSymbolDefault{\textlegacydaggerdbl}{OMS}
\DeclareTextSymbolDefault{\textlegacydagger}{OMS}
\DeclareTextSymbolDefault{\textlegacyparagraph}{OMS}
\DeclareTextSymbolDefault{\textlegacyperiodcentered}{OMS}
\DeclareTextSymbolDefault{\textlegacysection}{OMS}

\EndIncludeInRelease
\IncludeInRelease{0000/00/00}%
   {\DeclareEncodingSubset}{Text companion symbols}%

\let\DeclareEncodingSubset\@undefined
\let\CheckEncodingSubset\@undefined

\DeclareTextSymbolDefault{\textdollar}{OT1}
\DeclareTextSymbolDefault{\textsterling}{OT1}
\DeclareTextCommand{\textdollar}{OT1}{\hmode@bgroup
   \ifdim \fontdimen\@ne\font >\z@
      \slshape
   \else
      \upshape
   \fi
   \char`\$\egroup}
\DeclareTextCommand{\textsterling}{OT1}{\hmode@bgroup
   \ifdim \fontdimen\@ne\font >\z@
      \itshape
   \else
      \fontshape{ui}\selectfont
   \fi
   \char`\$\egroup}
\DeclareTextCommand{\textperthousand}{T1}
   {\%\char 24 }

\DeclareTextSymbolDefault{\textasteriskcentered}{OMS}
\DeclareTextSymbolDefault{\textbullet}{OMS}
\DeclareTextSymbolDefault{\textdaggerdbl}{OMS}
\DeclareTextSymbolDefault{\textdagger}{OMS}
\DeclareTextSymbolDefault{\textparagraph}{OMS}
\DeclareTextSymbolDefault{\textperiodcentered}{OMS}
\DeclareTextSymbolDefault{\textsection}{OMS}

\DeclareTextSymbolDefault{\textbardbl}{OMS}
\let\textbrokenbar\@undefined
\let\textcelsius\@undefined
\let\textcent\@undefined
\DeclareTextCommandDefault{\textcopyright}{\textcircled{c}}
\let\textdegree\@undefined
\let\textdiv\@undefined
\let\textlnot\@undefined
\let\textonehalf\@undefined
\let\textonequarter\@undefined
\let\textonesuperior\@undefined
\DeclareTextCommandDefault{\textordfeminine}{\textsuperscript{a}}
\DeclareTextCommandDefault{\textordmasculine}{\textsuperscript{o}}
\let\textpm\@undefined
\let\textquotesingle\@undefined
\let\textquotestraightbase\@undefined
\let\textquotestraightdblbase\@undefined
\DeclareTextCommandDefault{\textregistered}{\textcircled{%
     \check@mathfonts\fontsize\sf@size\z@\math@fontsfalse\selectfont R}}
\let\textthreequartersemdash\@undefined
\let\textthreequarters\@undefined
\let\textthreesuperior\@undefined
\let\texttimes\@undefined
\DeclareTextCommandDefault{\texttrademark}{\textsuperscript{TM}}
\let\texttwelveudash\@undefined
\let\texttwosuperior\@undefined
\let\textyen\@undefined

\let\textcapitalcompwordmark\@undefined
\let\textascendercompwordmark\@undefined

\DeclareTextAccentDefault{\textcircled}{OMS}
\DeclareTextAccentDefault{\t}{OML}

\let\capitalacute\@undefined
\let\capitalbreve\@undefined
\let\capitalcaron\@undefined
\let\capitalcedilla\@undefined
\let\capitalcircumflex\@undefined
\let\capitaldieresis\@undefined
\let\capitaldotaccent\@undefined
\let\capitalgrave\@undefined
\let\capitalhungarumlaut\@undefined
\let\capitalmacron\@undefined
\let\capitalnewtie\@undefined
\let\capitalogonek\@undefined
\let\capitalring\@undefined
\let\capitaltie\@undefined
\let\capitaltilde\@undefined
\let\newtie\@undefined

\let\textlbrackdbl\@undefined
\let\textrbrackdbl\@undefined

\let\texteightoldstyle\@undefined
\let\textfiveoldstyle\@undefined
\let\textfouroldstyle\@undefined
\let\textnineoldstyle\@undefined
\let\textoneoldstyle\@undefined
\let\textsevenoldstyle\@undefined
\let\textsixoldstyle\@undefined
\let\textthreeoldstyle\@undefined
\let\texttwooldstyle\@undefined
\let\textzerooldstyle\@undefined

\let\textacutedbl\@undefined
\let\textasciiacute\@undefined
\let\textasciibreve\@undefined
\let\textasciicaron\@undefined
\let\textasciidieresis\@undefined
\let\textasciigrave\@undefined
\let\textasciimacron\@undefined
\let\textgravedbl\@undefined
\let\texttildelow\@undefined

\let\textbaht\@undefined
\let\textbigcircle\@undefined
\let\textborn\@undefined
\let\textcentoldstyle\@undefined
\let\textcircledP\@undefined
\let\textcopyleft\@undefined
\let\textdblhyphenchar\@undefined
\let\textdblhyphen\@undefined
\let\textdied\@undefined
\let\textdiscount\@undefined
\let\textdivorced\@undefined
\let\textdollaroldstyle\@undefined
\let\textguarani\@undefined
\let\textleaf\@undefined
\let\textlquill\@undefined
\let\textmarried\@undefined
\let\textmho\@undefined
\let\textmusicalnote\@undefined
\let\textnaira\@undefined
\let\textopenbullet\@undefined
\let\textpeso\@undefined
\let\textpilcrow\@undefined
\let\textrecipe\@undefined
\let\textreferencemark\@undefined
\let\textrquill\@undefined
\let\textservicemark\@undefined
\let\textsurd\@undefined

\DeclareTextCommand{\textpertenthousand}{T1}
                   {\%\char 24\char 24 }

\let\textlangle\@undefined
\let\textrangle\@undefined

\let\textcolonmonetary\@undefined
\let\textdong\@undefined
\let\textdownarrow\@undefined
\let\textleftarrow\@undefined
\let\textlira\@undefined
\let\textrightarrow\@undefined
\let\textuparrow\@undefined
\let\textwon\@undefined

\let\textestimated\@undefined
\let\textnumero\@undefined

\let\textflorin\@undefined
\let\textcurrency\@undefined

\let\textfractionsolidus\@undefined
\let\textohm\@undefined
\let\textmu\@undefined
\let\textminus\@undefined

\let\textblank\@undefined
\let\textinterrobangdown\@undefined
\let\textinterrobang\@undefined

\let\texteuro\@undefined

\let\textcelsius\@undefined
\let\textonesuperior\@undefined
\let\textthreequartersemdash\@undefined
\let\textthreesuperior\@undefined
\let\texttwelveudash\@undefined
\let\texttwosuperior\@undefined
\let\textbardbl\@undefined

\let\UseLegacyTextSymbols\@undefined
\let\textlegacyasteriskcentered\@undefined
\let\textlegacybardbl\@undefined
\let\textlegacybullet\@undefined
\let\textlegacydaggerdbl\@undefined
\let\textlegacydagger\@undefined
\let\textlegacyparagraph\@undefined
\let\textlegacyperiodcentered\@undefined
\let\textlegacysection\@undefined

\EndIncludeInRelease


%%% From File: ltfssbas.dtx
%% Copyright (C) 1989-2002 Frank Mittelbach and Rainer Sch\"opf
\IncludeInRelease{2020/02/02}%
                 {\DeclareFontShape@}{Maybe drop one m}%
\def\DeclareFontShape@#1#2#3#4#5#6{%
   \expandafter\ifx\csname #1+#2\endcsname\relax
     \@latex@error{Font family `#1+#2' unknown}\@eha
   \else
     \edef\reserved@a{#3}%
     \series@maybe@drop@one@m\reserved@a\reserved@b
     \ifx\reserved@a\reserved@b\else
       \@latex@warning{Font shape declaration has incorrect series
         value `#3'.\MessageBreak It should not contain an `m'!
         Please correct it.\MessageBreak Found}%
     \fi
     \expandafter
       \xdef\csname#1/#2/\reserved@b/#4\endcsname
                 {\expandafter\noexpand\csname #5\endcsname}%
     \def\reserved@a{#6}%
     \global
     \expandafter\let\csname#5\expandafter\endcsname
        \ifx\reserved@a\@empty
          \@empty
        \else
          \reserved@a
        \fi
   \fi
  }
\EndIncludeInRelease
\IncludeInRelease{0000/00/00}%
                 {\DeclareFontShape@}{Maybe drop one m}%

\def\DeclareFontShape@#1#2#3#4#5#6{%
   \expandafter\ifx\csname #1+#2\endcsname\relax
     \@latex@error{Font family `#1+#2' unknown}\@eha
   \else
     \expandafter
       \xdef\csname#1/#2/#3/#4\endcsname{\expandafter\noexpand
                                   \csname #5\endcsname}%
     \def\reserved@a{#6}%
     \global
     \expandafter\let\csname#5\expandafter\endcsname
        \ifx\reserved@a\@empty
          \@empty
        \else
          \reserved@a
        \fi
   \fi
  }
\EndIncludeInRelease
\IncludeInRelease{2015/01/01}{\@DeclareMathSizes}%
                 {Arbitrary units in \DeclareMathSizes}%
\def\@DeclareMathSizes #1#2#3#4#5{%
  \@defaultunits\dimen@ #2pt\relax\@nnil
  \if $#3$%
    \expandafter\let\csname S@\strip@pt\dimen@\endcsname\math@fontsfalse
  \else
    \@defaultunits\dimen@ii #3pt\relax\@nnil
    \@defaultunits\@tempdima #4pt\relax\@nnil
    \@defaultunits\@tempdimb #5pt\relax\@nnil
    \toks@{#1}%
    \expandafter\xdef\csname S@\strip@pt\dimen@\endcsname{%
      \gdef\noexpand\tf@size{\strip@pt\dimen@ii}%
      \gdef\noexpand\sf@size{\strip@pt\@tempdima}%
      \gdef\noexpand\ssf@size{\strip@pt\@tempdimb}%
      \the\toks@
    }%
  \fi
}%
\EndIncludeInRelease
\IncludeInRelease{0000/00/00}{\@DeclareMathSizes}%
                 {Arbitrary units in \DeclareMathSizes}%
\def\@DeclareMathSizes#1#2#3#4#5{%
    \@defaultunits\dimen@#2pt\relax\@nnil
    \if$#3$%
      \expandafter \let
        \csname S@\strip@pt\dimen@\endcsname
        \math@fontsfalse
    \else
      \expandafter \gdef
      \csname S@\strip@pt\dimen@\endcsname
            {\gdef\tf@size{#3}\gdef\sf@size{#4}%
                             \gdef\ssf@size{#5}%
             #1%
                             }%
    \fi}%
\EndIncludeInRelease
\IncludeInRelease{2020/02/02}%
                 {\LoadFontDefinitionFile}{Loading .fd files}%
\def\LoadFontDefinitionFile#1#2{%
  \begingroup
    \edef\f@encoding{#1}%
    \edef\f@family{#2}%
    \try@load@fontshape
  \endgroup
}
\EndIncludeInRelease
\IncludeInRelease{0000/00/00}%
                 {\LoadFontDefinitionFile}{Loading .fd files}%

\let\LoadFontDefinitionFile\@undefined
\EndIncludeInRelease
\IncludeInRelease{2020/02/02}%
       {\DeclareFontFamilySubstitution}{Provide family substituation}%
\begingroup
\nfss@catcodes
\gdef\DeclareFontFamilySubstitution#1#2#3{%
   \LoadFontDefinitionFile{#1}{#2}%
   \LoadFontDefinitionFile{#1}{#3}%
   \DeclareFontShape{#1}{#2}{m}{it}{<->ssub * #3/m/it}{}%
   \DeclareFontShape{#1}{#2}{m}{n}{<->ssub * #3/m/n}{}%
   \DeclareFontShape{#1}{#2}{m}{sc}{<->ssub * #3/m/sc}{}%
   \DeclareFontShape{#1}{#2}{m}{sl}{<->ssub * #3/m/sl}{}%
   \DeclareFontShape{#1}{#2}{m}{sw}{<->ssub * #3/m/sw}{}%
   \DeclareFontShape{#1}{#2}{m}{scit}{<->ssub * #3/m/scit}{}%
   \DeclareFontShape{#1}{#2}{m}{scsl}{<->ssub * #3/m/scsl}{}%
   \DeclareFontShape{#1}{#2}{b}{it}{<->ssub * #3/b/it}{}%
   \DeclareFontShape{#1}{#2}{b}{n}{<->ssub * #3/b/n}{}%
   \DeclareFontShape{#1}{#2}{b}{scit}{<->ssub * #3/b/scit}{}%
   \DeclareFontShape{#1}{#2}{b}{scsl}{<->ssub * #3/b/scsl}{}%
   \DeclareFontShape{#1}{#2}{b}{sc}{<->ssub * #3/b/sc}{}%
   \DeclareFontShape{#1}{#2}{b}{sl}{<->ssub * #3/b/sl}{}%
   \DeclareFontShape{#1}{#2}{b}{sw}{<->ssub * #3/b/sw}{}%
   \DeclareFontShape{#1}{#2}{bx}{it}{<->ssub * #3/bx/it}{}%
   \DeclareFontShape{#1}{#2}{bx}{n}{<->ssub * #3/bx/n}{}%
   \DeclareFontShape{#1}{#2}{bx}{scit}{<->ssub * #3/bx/scit}{}%
   \DeclareFontShape{#1}{#2}{bx}{scsl}{<->ssub * #3/bx/scsl}{}%
   \DeclareFontShape{#1}{#2}{bx}{sc}{<->ssub * #3/bx/sc}{}%
   \DeclareFontShape{#1}{#2}{bx}{sl}{<->ssub * #3/bx/sl}{}%
   \DeclareFontShape{#1}{#2}{bx}{sw}{<->ssub * #3/bx/sw}{}%
}
\endgroup
\EndIncludeInRelease
\IncludeInRelease{0000/00/00}%
      {\DeclareFontFamilySubstitution}{Provide family substituation}%

\let\DeclareFontFamilySubstitution\@undefined
\EndIncludeInRelease
\IncludeInRelease{2019/10/01}%
                 {\DeclareErrorFont}{No side effects please}%
\def\DeclareErrorFont#1#2#3#4#5{%
      \xdef\error@fontshape{%
          \noexpand\expandafter\noexpand\split@name\noexpand\string
          \expandafter\noexpand\csname#1/#2/#3/#4/#5\endcsname
          \noexpand\@nil}%
      \gdef\default@family{#2}%
      \gdef\default@series{#3}%
      \gdef\default@shape{#4}%
}
\EndIncludeInRelease
\IncludeInRelease{0000/00/00}%
                 {\DeclareErrorFont}{No side effects please}%

\def\DeclareErrorFont#1#2#3#4#5{%
      \xdef\error@fontshape{%
          \noexpand\expandafter\noexpand\split@name\noexpand\string
          \expandafter\noexpand\csname#1/#2/#3/#4/#5\endcsname
          \noexpand\@nil}%
      \gdef\default@family{#2}%
      \gdef\default@series{#3}%
      \gdef\default@shape{#4}%
      \global\let\f@family\default@family
      \global\let\f@series\default@series
      \global\let\f@shape\default@shape
      \gdef\f@size{#5}%
      \gdef\f@baselineskip{#5pt}%
}
\EndIncludeInRelease
\IncludeInRelease{2015/01/01}{\wrong@fontshape}%
                 {Font substituation in preamble}%
\def\wrong@fontshape{%
    \csname D@\f@encoding\endcsname   % install defaults if in math
    \edef\reserved@a{\csname\curr@fontshape\endcsname}%
  \ifx\last@fontshape\reserved@a
     \errmessage{Corrupted NFSS tables}%
     \error@fontshape
  \else
    \let\f@shape\default@shape
    \expandafter\ifx\csname\curr@fontshape\endcsname\relax
       \let\f@series\default@series
        \expandafter
          \ifx\csname\curr@fontshape\endcsname\relax
           \let\f@family\default@family
           \begingroup
              \try@load@fontshape
           \endgroup
        \fi \fi
  \fi
     \@font@warning{Font shape `\expandafter\string\reserved@a'
                     \expandafter\@gobble\string\@undefined\MessageBreak
                   using `\curr@fontshape' instead\@wrong@font@char}%
    \global\let\last@fontshape\reserved@a
    \gdef\@defaultsubs{%
      \@font@warning{Some font shapes were not available, defaults
                      substituted.\@gobbletwo}}%
    \global\expandafter\expandafter\expandafter\let
       \expandafter\reserved@a
           \csname\curr@fontshape\endcsname
    \xdef\font@name{%
      \csname\curr@fontshape/\f@size\endcsname}%
    \pickup@font}
\EndIncludeInRelease
\IncludeInRelease{0000/00/00}{\wrong@fontshape}%
                 {Font substituation in preamble}%
\def\wrong@fontshape{%
    \csname D@\f@encoding\endcsname
    \edef\reserved@a{\csname\curr@fontshape\endcsname}%
  \ifx\last@fontshape\reserved@a
     \errmessage{Corrupted NFSS tables}%
     \error@fontshape
  \else
    \let\f@shape\default@shape
    \expandafter\ifx\csname\curr@fontshape\endcsname\relax
       \let\f@series\default@series
        \expandafter
          \ifx\csname\curr@fontshape\endcsname\relax
           \let\f@family\default@family
        \fi \fi
  \fi
     \@font@warning{Font shape
            `\expandafter\string\reserved@a'
            \expandafter\@gobble\string\@undefined
            \MessageBreak
            using `\curr@fontshape' instead\@wrong@font@char}%
    \global\let\last@fontshape\reserved@a
    \gdef\@defaultsubs{%
      \@font@warning{Some font shapes were not available,
                       defaults substituted.\@gobbletwo}}%
    \global\expandafter\expandafter\expandafter\let
       \expandafter\reserved@a
           \csname\curr@fontshape\endcsname
    \xdef\font@name{%
      \csname\curr@fontshape/\f@size\endcsname}%
    \pickup@font}
\EndIncludeInRelease
\IncludeInRelease{2017/01/01}{\showhyphens}%
                 {XeTeX support for \showhyphens}%
\ifx\XeTeXcharclass\@undefined
\DeclareRobustCommand\showhyphens[1]{%
  \setbox0\vbox{%
    \color@begingroup
    \everypar{}%
    \parfillskip\z@skip\hsize\maxdimen
    \normalfont
    \pretolerance\m@ne\tolerance\m@ne\hbadness\z@\showboxdepth\z@\ #1%
    \color@endgroup}}
\else
\DeclareRobustCommand\showhyphens[1]{%
  \setbox0\vbox{%
    \usefont{TU}{lmr}{m}{n}%
    \hsize 1sp %
    \hbadness\@M
    \hfuzz\maxdimen
    \tracingonline\z@
    \everypar={}%
    \leftskip\z@skip
    \rightskip\z@skip
    \parfillskip\z@skip
    \hyphenpenalty=-\@M
    \pretolerance\m@ne
    \interlinepenalty\z@
    \clubpenalty\z@
    \widowpenalty\z@
    \brokenpenalty1127 %
    \setbox\z@\hbox{}%
    \noindent
    \hskip\z@skip
    #1%
    \par
     \loop
     \@tempswafalse
     \ifnum\lastnodetype=11\unskip\@tempswatrue\fi
     \ifnum\lastnodetype=12\unkern\@tempswatrue\fi
     \ifnum\lastnodetype=13 %
      \count@\lastpenalty
      \unpenalty\@tempswatrue
    \fi
    \ifnum\lastnodetype=\@ne
     \setbox\tw@\lastbox\@tempswatrue
     \setbox0\hbox{\unhbox\tw@\unskip\unskip\unpenalty
                   \ifnum\count@=1127 \else\ \fi
                   \unhbox0}%
     \count@\z@
    \fi
    \if@tempswa
    \repeat
   \hbadness\z@
   \hsize\maxdimen
   \showboxdepth\z@
   \tolerance\m@ne
   \hyphenpenalty\z@
   \noindent\unhbox\z@
}}
\fi
\EndIncludeInRelease
\IncludeInRelease{0000/00/00}{\showhyphens}%
                 {XeTeX support for \showhyphens}%
\gdef\showhyphens#1{%
  \setbox0\vbox{%
    \color@begingroup
    \everypar{}%
    \parfillskip\z@skip\hsize\maxdimen
    \normalfont
    \pretolerance\m@ne\tolerance\m@ne
    \hbadness\z@\showboxdepth\z@\ #1%
    \color@endgroup}}
\EndIncludeInRelease
%%% From File: ltfssaxes.dtx
%% Copyright (C) 1999-2020 Frank Mittelbach
\IncludeInRelease{2020/02/02}%
   {\DeclareFontSeriesChangeRule}{Series change rules}%
\def\DeclareFontSeriesChangeRule#1#2#3#4{%
  \@namedef{series@#1@#2}{{#3}{#4}}}
\DeclareFontSeriesChangeRule {bc}{b}{bc}{}
\DeclareFontSeriesChangeRule {bc}{c}{bc}{}
\DeclareFontSeriesChangeRule {bc}{eb}{ebc}{}
\DeclareFontSeriesChangeRule {bc}{ec}{bec} {bc}
\DeclareFontSeriesChangeRule {bc}{el}{elc}{}
\DeclareFontSeriesChangeRule {bc}{l}{lc}{}
\DeclareFontSeriesChangeRule {bc}{sb}{sbc}{}
\DeclareFontSeriesChangeRule {bc}{sc}{bsc} {bc}
\DeclareFontSeriesChangeRule {bc}{sl}{slc}{}
\DeclareFontSeriesChangeRule {bc}{ub}{ubc}{}
\DeclareFontSeriesChangeRule {bc}{ul}{ulc}{}
\DeclareFontSeriesChangeRule {bc}{x}{bx}{}
\DeclareFontSeriesChangeRule {bx}{b}{bx}{}
\DeclareFontSeriesChangeRule {bx}{c}  {bc}  {bx} %<-----
\DeclareFontSeriesChangeRule {bx}{eb}{ebx}{}
\DeclareFontSeriesChangeRule {bx}{ec}  {bec}  {bx} %<-----
\DeclareFontSeriesChangeRule {bx}{el}{elx}{}
\DeclareFontSeriesChangeRule {bx}{l}{lx}{}
\DeclareFontSeriesChangeRule {bx}{sb} {sbx} {}
\DeclareFontSeriesChangeRule {bx}{sc}  {bsc}  {bx} %<-----
\DeclareFontSeriesChangeRule {bx}{sl}{slx}  {}
\DeclareFontSeriesChangeRule {bx}{ub}{ubx}{}
\DeclareFontSeriesChangeRule {bx}{ul}{ulx}{}
\DeclareFontSeriesChangeRule {bx}{x}{bx}{}
\DeclareFontSeriesChangeRule {b}{bx} {bx}  {b} %<-----
\DeclareFontSeriesChangeRule {b}{c}  {bc}  {b} %<-----
\DeclareFontSeriesChangeRule {b}{ec}  {bec}  {b} %<-----
\DeclareFontSeriesChangeRule {b}{sb} {sb}  {b} %<-----
\DeclareFontSeriesChangeRule {b}{sc}  {bsc}  {b} %<-----
\DeclareFontSeriesChangeRule {b}{x}  {bx}  {b} %<-----
\DeclareFontSeriesChangeRule {c}{bx} {bx}  {b}  %<-----
\DeclareFontSeriesChangeRule {c}{b}{bc}{}
\DeclareFontSeriesChangeRule {c}{eb}{ebc}{}
\DeclareFontSeriesChangeRule {c}{el}{elc}{}
\DeclareFontSeriesChangeRule {c}{l}{lc}{}
\DeclareFontSeriesChangeRule {c}{sb}{sbc}{}
\DeclareFontSeriesChangeRule {c}{sl}{slc}{}
\DeclareFontSeriesChangeRule {c}{ub}{ubc}{}
\DeclareFontSeriesChangeRule {c}{ul}{ulc}{}
\DeclareFontSeriesChangeRule {c}{x}{x}{m}               %<-----
\DeclareFontSeriesChangeRule {ebc}{b}{bc}{}
\DeclareFontSeriesChangeRule {ebc}{c}{ebc}{}
\DeclareFontSeriesChangeRule {ebc}{eb}{ebc}{}
\DeclareFontSeriesChangeRule {ebc}{ec}{ebec}{ebc}
\DeclareFontSeriesChangeRule {ebc}{el}{elc}{}
\DeclareFontSeriesChangeRule {ebc}{l}{lc}{}
\DeclareFontSeriesChangeRule {ebc}{sb}{sbc}{}
\DeclareFontSeriesChangeRule {ebc}{sc}{ebsc}{ebc}
\DeclareFontSeriesChangeRule {ebc}{sl}{slc}{}
\DeclareFontSeriesChangeRule {ebc}{ub}{ubc}{}
\DeclareFontSeriesChangeRule {ebc}{ul}{ulc}{}
\DeclareFontSeriesChangeRule {ebc}{x}{ebx}{}
\DeclareFontSeriesChangeRule {ec}{bx} {bx}  {b}  %<-----
\DeclareFontSeriesChangeRule {ec}{b}{bec}{}
\DeclareFontSeriesChangeRule {ec}{eb}{ebec}{}
\DeclareFontSeriesChangeRule {ec}{el}{elec}{}
\DeclareFontSeriesChangeRule {ec}{l}{lec}{}
\DeclareFontSeriesChangeRule {ec}{sb}{sbec}{}
\DeclareFontSeriesChangeRule {ec}{sl}{slec}{}
\DeclareFontSeriesChangeRule {ec}{ub}{ubec}{}
\DeclareFontSeriesChangeRule {ec}{ul}{ulec}{}
\DeclareFontSeriesChangeRule {ec}{x}{x}{m}              %<-----
\DeclareFontSeriesChangeRule {sc}{bx} {bx}  {b}  %<-----
\DeclareFontSeriesChangeRule {sc}{b}{bsc}{}
\DeclareFontSeriesChangeRule {sc}{eb}{ebsc}{}
\DeclareFontSeriesChangeRule {sc}{el}{elsc}{}
\DeclareFontSeriesChangeRule {sc}{l}{lsc}{}
\DeclareFontSeriesChangeRule {sc}{sb}{sbsc}{}
\DeclareFontSeriesChangeRule {sc}{sl}{slsc}{}
\DeclareFontSeriesChangeRule {sc}{ub}{ubsc}{}
\DeclareFontSeriesChangeRule {sc}{ul}{ulsc}{}
\DeclareFontSeriesChangeRule {sc}{x}{x}{m}              %<-----
\DeclareFontSeriesChangeRule {ebx}{b}{bx}{}
\DeclareFontSeriesChangeRule {ebx}{c}{ebc}{}
\DeclareFontSeriesChangeRule {ebx}{eb}{ebx}{}
\DeclareFontSeriesChangeRule {ebx}{ec}{ebec}{}
\DeclareFontSeriesChangeRule {ebx}{el}{elx}{}
\DeclareFontSeriesChangeRule {ebx}{l}{lx}{}
\DeclareFontSeriesChangeRule {ebx}{sb}{sbx}{}
\DeclareFontSeriesChangeRule {ebx}{sc}{ebsc}{}
\DeclareFontSeriesChangeRule {ebx}{sl}{slx}{}
\DeclareFontSeriesChangeRule {ebx}{ub}{ubx}{}
\DeclareFontSeriesChangeRule {ebx}{ul}{ulx}{}
\DeclareFontSeriesChangeRule {ebx}{x}{ebx}{}
\DeclareFontSeriesChangeRule {eb}{c}{ebc}{}
\DeclareFontSeriesChangeRule {eb}{ec}{ebec}{}
\DeclareFontSeriesChangeRule {eb}{sc}{ebsc}{}
\DeclareFontSeriesChangeRule {eb}{x}{ebx}{}
\DeclareFontSeriesChangeRule {elc}{b}{bc}{}
\DeclareFontSeriesChangeRule {elc}{c}{elc}{}
\DeclareFontSeriesChangeRule {elc}{eb}{ebc}{}
\DeclareFontSeriesChangeRule {elc}{ec}{elec}{}
\DeclareFontSeriesChangeRule {elc}{el}{elc}{}
\DeclareFontSeriesChangeRule {elc}{l}{lc}{}
\DeclareFontSeriesChangeRule {elc}{sb}{sbc}{}
\DeclareFontSeriesChangeRule {elc}{sc}{elsc}{}
\DeclareFontSeriesChangeRule {elc}{sl}{slc}{}
\DeclareFontSeriesChangeRule {elc}{ub}{ubc}{}
\DeclareFontSeriesChangeRule {elc}{ul}{ulc}{}
\DeclareFontSeriesChangeRule {elc}{x}{elx}{}
\DeclareFontSeriesChangeRule {elx}{b}{bx}{}
\DeclareFontSeriesChangeRule {elx}{c}{elc}{}
\DeclareFontSeriesChangeRule {elx}{eb}{ebx}{}
\DeclareFontSeriesChangeRule {elx}{ec}{elec}{}
\DeclareFontSeriesChangeRule {elx}{el}{elx}{}
\DeclareFontSeriesChangeRule {elx}{l}{lx}{}
\DeclareFontSeriesChangeRule {elx}{sb}{sbx}{}
\DeclareFontSeriesChangeRule {elx}{sc}{elsc}{}
\DeclareFontSeriesChangeRule {elx}{sl}{slx}{}
\DeclareFontSeriesChangeRule {elx}{ub}{ubx}{}
\DeclareFontSeriesChangeRule {elx}{ul}{ulx}{}
\DeclareFontSeriesChangeRule {elx}{x}{elx}{}
\DeclareFontSeriesChangeRule {el}{c}{elc}{}
\DeclareFontSeriesChangeRule {el}{ec}{elec}{}
\DeclareFontSeriesChangeRule {el}{sc}{elsc}{}
\DeclareFontSeriesChangeRule {el}{x}{elx}{}
\DeclareFontSeriesChangeRule {lc}{b}{bc}{}
\DeclareFontSeriesChangeRule {lc}{c}{lc}{}
\DeclareFontSeriesChangeRule {lc}{eb}{ebc}{}
\DeclareFontSeriesChangeRule {lc}{ec}{lec}{}
\DeclareFontSeriesChangeRule {lc}{el}{elc}{}
\DeclareFontSeriesChangeRule {lc}{l}{lc}{}
\DeclareFontSeriesChangeRule {lc}{sb}{sbc}{}
\DeclareFontSeriesChangeRule {lc}{sc}{lsc}{}
\DeclareFontSeriesChangeRule {lc}{sl}{slc}{}
\DeclareFontSeriesChangeRule {lc}{ub}{ubc}{}
\DeclareFontSeriesChangeRule {lc}{ul}{ulc}{}
\DeclareFontSeriesChangeRule {lc}{x}{lx}{}
\DeclareFontSeriesChangeRule {lx}{b}{bx}{}
\DeclareFontSeriesChangeRule {lx}{c}{lc}{}
\DeclareFontSeriesChangeRule {lx}{eb}{ebx}{}
\DeclareFontSeriesChangeRule {lx}{ec}{lec}{}
\DeclareFontSeriesChangeRule {lx}{el}{elx}{}
\DeclareFontSeriesChangeRule {lx}{l}{lx}{}
\DeclareFontSeriesChangeRule {lx}{sb}{sbx}{}
\DeclareFontSeriesChangeRule {lx}{sc}{lsc}{}
\DeclareFontSeriesChangeRule {lx}{sl}{slx}{}
\DeclareFontSeriesChangeRule {lx}{ub}{ubx}{}
\DeclareFontSeriesChangeRule {lx}{ul}{ulx}{}
\DeclareFontSeriesChangeRule {lx}{x}{lx}{}
\DeclareFontSeriesChangeRule {l}{bx} {bx}  {b} %<-----
\DeclareFontSeriesChangeRule {l}{b}  {b}   {bx} %<-----
\DeclareFontSeriesChangeRule {l}{c}  {lc}  {l}  % ? %<-----
\DeclareFontSeriesChangeRule {l}{ec}  {lec}  {l}  % ? %<-----
\DeclareFontSeriesChangeRule {l}{sb} {sb}  {b}  % ? %<-----
\DeclareFontSeriesChangeRule {l}{sc}  {lsc}  {l}  % ? %<-----
\DeclareFontSeriesChangeRule {l}{x}  {lx}  {l}  % ? %<-----
\DeclareFontSeriesChangeRule {m}{bx} {bx} {b}    %<-----
\DeclareFontSeriesChangeRule {m}{b}  {b}  {bx} %<-----
\DeclareFontSeriesChangeRule {m}{c}  {c}  {m} %<-----
\DeclareFontSeriesChangeRule {m}{ec}  {ec}  {m} %<-----
\DeclareFontSeriesChangeRule {m}{l}  {l}  {m} %<-----
\DeclareFontSeriesChangeRule {m}{sb} {sb} {b} %<-----
\DeclareFontSeriesChangeRule {m}{sc}  {sc}  {m} %<-----
\DeclareFontSeriesChangeRule {m}{x}  {x}  {m} %<-----
\DeclareFontSeriesChangeRule {sbc}{b}{bc}{}
\DeclareFontSeriesChangeRule {sbc}{c}{sbc}{}
\DeclareFontSeriesChangeRule {sbc}{eb}{ebc}{}
\DeclareFontSeriesChangeRule {sbc}{ec}{sbec}{sbc}
\DeclareFontSeriesChangeRule {sbc}{el}{elc}{}
\DeclareFontSeriesChangeRule {sbc}{l}{lc}{}
\DeclareFontSeriesChangeRule {sbc}{sb}{sbc}{}
\DeclareFontSeriesChangeRule {sbc}{sc}{sbsc}{sbc}
\DeclareFontSeriesChangeRule {sbc}{sl}{slc}{}
\DeclareFontSeriesChangeRule {sbc}{ub}{ubc}{}
\DeclareFontSeriesChangeRule {sbc}{ul}{ulc}{}
\DeclareFontSeriesChangeRule {sbc}{x}{sbx}{}
\DeclareFontSeriesChangeRule {sbx}{b}{bx}{}
\DeclareFontSeriesChangeRule {sbx}{c}{sbc}{}
\DeclareFontSeriesChangeRule {sbx}{eb}{ebx}{}
\DeclareFontSeriesChangeRule {sbx}{ec}{sbec}{}
\DeclareFontSeriesChangeRule {sbx}{el}{elx}{}
\DeclareFontSeriesChangeRule {sbx}{l}{lx}{}
\DeclareFontSeriesChangeRule {sbx}{sb}{sbx}{}
\DeclareFontSeriesChangeRule {sbx}{sc}{sbsc}{}
\DeclareFontSeriesChangeRule {sbx}{sl}{slx}{}
\DeclareFontSeriesChangeRule {sbx}{ub}{ubx}{}
\DeclareFontSeriesChangeRule {sbx}{ul}{ulx}{}
\DeclareFontSeriesChangeRule {sbx}{x}{sbx}{}
\DeclareFontSeriesChangeRule {sb}{c}  {sbc} {bc} %? %<-----
\DeclareFontSeriesChangeRule {sb}{ec}  {sbec} {sbc} %? %<-----
\DeclareFontSeriesChangeRule {sb}{sc}  {sbsc} {sbc} %? %<-----
\DeclareFontSeriesChangeRule {sb}{x}  {sbx} {bx} %? %<-----
\DeclareFontSeriesChangeRule {slc}{b}{bc}{}
\DeclareFontSeriesChangeRule {slc}{c}{slc}{}
\DeclareFontSeriesChangeRule {slc}{eb}{ebc}{}
\DeclareFontSeriesChangeRule {slc}{ec}{slec}{}
\DeclareFontSeriesChangeRule {slc}{el}{elc}{}
\DeclareFontSeriesChangeRule {slc}{l}{lc}{}
\DeclareFontSeriesChangeRule {slc}{sb}{sbc}{}
\DeclareFontSeriesChangeRule {slc}{sc}{slsc}{}
\DeclareFontSeriesChangeRule {slc}{sl}{slc}{}
\DeclareFontSeriesChangeRule {slc}{ub}{ubc}{}
\DeclareFontSeriesChangeRule {slc}{ul}{ulc}{}
\DeclareFontSeriesChangeRule {slc}{x}{slx}{}
\DeclareFontSeriesChangeRule {slx}{b}{bx}{}
\DeclareFontSeriesChangeRule {slx}{c}{slc}{}
\DeclareFontSeriesChangeRule {slx}{eb}{ebx}{}
\DeclareFontSeriesChangeRule {slx}{ec}{slec}{}
\DeclareFontSeriesChangeRule {slx}{el}{elx}{}
\DeclareFontSeriesChangeRule {slx}{l}{lx}{}
\DeclareFontSeriesChangeRule {slx}{sb}{sbx}{}
\DeclareFontSeriesChangeRule {slx}{sc}{slsc}{}
\DeclareFontSeriesChangeRule {slx}{sl}{slx}{}
\DeclareFontSeriesChangeRule {slx}{ub}{ubx}{}
\DeclareFontSeriesChangeRule {slx}{ul}{ulx}{}
\DeclareFontSeriesChangeRule {slx}{x}{slx}{}
\DeclareFontSeriesChangeRule {sl}{c}{slc}{}
\DeclareFontSeriesChangeRule {sl}{ec}{slec}{}
\DeclareFontSeriesChangeRule {sl}{sc}{slsc}{}
\DeclareFontSeriesChangeRule {sl}{x}{slx}{}
\DeclareFontSeriesChangeRule {ubc}{b}{bc}{}
\DeclareFontSeriesChangeRule {ubc}{c}{ubc}{}
\DeclareFontSeriesChangeRule {ubc}{eb}{ebc}{}
\DeclareFontSeriesChangeRule {ubc}{ec}{ubec}{}
\DeclareFontSeriesChangeRule {ubc}{el}{elc}{}
\DeclareFontSeriesChangeRule {ubc}{l}{lc}{}
\DeclareFontSeriesChangeRule {ubc}{sb}{sbc}{}
\DeclareFontSeriesChangeRule {ubc}{sc}{ubsc}{}
\DeclareFontSeriesChangeRule {ubc}{sl}{slc}{}
\DeclareFontSeriesChangeRule {ubc}{ub}{ubc}{}
\DeclareFontSeriesChangeRule {ubc}{ul}{ulc}{}
\DeclareFontSeriesChangeRule {ubc}{x}{ubx}{}
\DeclareFontSeriesChangeRule {ubx}{b}{bx}{}
\DeclareFontSeriesChangeRule {ubx}{c}{ubc}{}
\DeclareFontSeriesChangeRule {ubx}{eb}{ebx}{}
\DeclareFontSeriesChangeRule {ubx}{ec}{ubec}{}
\DeclareFontSeriesChangeRule {ubx}{el}{elx}{}
\DeclareFontSeriesChangeRule {ubx}{l}{lx}{}
\DeclareFontSeriesChangeRule {ubx}{sb}{sbx}{}
\DeclareFontSeriesChangeRule {ubx}{sc}{ubsc}{}
\DeclareFontSeriesChangeRule {ubx}{sl}{slx}{}
\DeclareFontSeriesChangeRule {ubx}{ub}{ubx}{}
\DeclareFontSeriesChangeRule {ubx}{ul}{ulx}{}
\DeclareFontSeriesChangeRule {ubx}{x}{ubx}{}
\DeclareFontSeriesChangeRule {ub}{c}{ubc}{}
\DeclareFontSeriesChangeRule {ub}{ec}{ubec}{}
\DeclareFontSeriesChangeRule {ub}{sc}{ubsc}{}
\DeclareFontSeriesChangeRule {ub}{x}{ubx}{}
\DeclareFontSeriesChangeRule {ulc}{b}{bc}{}
\DeclareFontSeriesChangeRule {ulc}{c}{ulc}{}
\DeclareFontSeriesChangeRule {ulc}{eb}{ebc}{}
\DeclareFontSeriesChangeRule {ulc}{ec}{ulec}{ulc}
\DeclareFontSeriesChangeRule {ulc}{el}{elc}{}
\DeclareFontSeriesChangeRule {ulc}{l}{lc}{}
\DeclareFontSeriesChangeRule {ulc}{sb}{sbc}{}
\DeclareFontSeriesChangeRule {ulc}{sc}{ulsc}{ulc}
\DeclareFontSeriesChangeRule {ulc}{sl}{slc}{}
\DeclareFontSeriesChangeRule {ulc}{ub}{ubc}{}
\DeclareFontSeriesChangeRule {ulc}{ul}{ulc}{}
\DeclareFontSeriesChangeRule {ulc}{x}{ulx}{}
\DeclareFontSeriesChangeRule {ulx}{b}{bx}{}
\DeclareFontSeriesChangeRule {ulx}{c}{ulc}{}
\DeclareFontSeriesChangeRule {ulx}{eb}{ebx}{}
\DeclareFontSeriesChangeRule {ulx}{ec}{ulec}{}
\DeclareFontSeriesChangeRule {ulx}{el}{elx}{}
\DeclareFontSeriesChangeRule {ulx}{l}{lx}{}
\DeclareFontSeriesChangeRule {ulx}{sb}{sbx}{}
\DeclareFontSeriesChangeRule {ulx}{sc}{ulsc}{}
\DeclareFontSeriesChangeRule {ulx}{sl}{slx}{}
\DeclareFontSeriesChangeRule {ulx}{ub}{ubx}{}
\DeclareFontSeriesChangeRule {ulx}{ul}{ulx}{}
\DeclareFontSeriesChangeRule {ulx}{x}{ulx}{}
\DeclareFontSeriesChangeRule {ul}{c}{ulc}{}
\DeclareFontSeriesChangeRule {ul}{ec}{ulec}{}
\DeclareFontSeriesChangeRule {ul}{sc}{ulsc}{}
\DeclareFontSeriesChangeRule {ul}{x}{ulx}{}
\DeclareFontSeriesChangeRule {x}{b}{bx}{}
\DeclareFontSeriesChangeRule {x}{c}{c}{}
\DeclareFontSeriesChangeRule {x}{eb}{ebx}{}
\DeclareFontSeriesChangeRule {x}{ec}{ec}{}
\DeclareFontSeriesChangeRule {x}{el}{elx}{}
\DeclareFontSeriesChangeRule {x}{l}{lx}{}
\DeclareFontSeriesChangeRule {x}{sb}{sbx}{}
\DeclareFontSeriesChangeRule {x}{sc}{sc}{}
\DeclareFontSeriesChangeRule {x}{sl}{slx}{}
\DeclareFontSeriesChangeRule {x}{ub}{ubx}{}
\DeclareFontSeriesChangeRule {x}{ul}{ulx}{}
\DeclareFontSeriesChangeRule {bc}{m?}{c}{}
\DeclareFontSeriesChangeRule {bec}{m?}{ec}{}
\DeclareFontSeriesChangeRule {bsc}{m?}{sc}{}
\DeclareFontSeriesChangeRule {bx}{m?}{x}{}
\DeclareFontSeriesChangeRule {b}{m?}{m}{}
\DeclareFontSeriesChangeRule {c}{m?}{c}{}
\DeclareFontSeriesChangeRule {ebc}{m?}{c}{}
\DeclareFontSeriesChangeRule {ebec}{m?}{ec}{}
\DeclareFontSeriesChangeRule {ebsc}{m?}{sc}{}
\DeclareFontSeriesChangeRule {ebx}{m?}{x}{}
\DeclareFontSeriesChangeRule {eb}{m?}{m}{}
\DeclareFontSeriesChangeRule {ec}{m?}{ec}{}
\DeclareFontSeriesChangeRule {elc}{m?}{c}{}
\DeclareFontSeriesChangeRule {elec}{m?}{ec}{}
\DeclareFontSeriesChangeRule {elsc}{m?}{sc}{}
\DeclareFontSeriesChangeRule {elx}{m?}{x}{}
\DeclareFontSeriesChangeRule {el}{m?}{m}{}
\DeclareFontSeriesChangeRule {lc}{m?}{c}{}
\DeclareFontSeriesChangeRule {lec}{m?}{ec}{}
\DeclareFontSeriesChangeRule {lsc}{m?}{sc}{}
\DeclareFontSeriesChangeRule {lx}{m?}{x}{}
\DeclareFontSeriesChangeRule {l}{m?}{m}{}
\DeclareFontSeriesChangeRule {m}{m?}{m}{}
\DeclareFontSeriesChangeRule {sbc}{m?}{c}{}
\DeclareFontSeriesChangeRule {sbec}{m?}{ec}{}
\DeclareFontSeriesChangeRule {sbsc}{m?}{sc}{}
\DeclareFontSeriesChangeRule {sbx}{m?}{x}{}
\DeclareFontSeriesChangeRule {sb}{m?}{m}{}
\DeclareFontSeriesChangeRule {sc}{m?}{sc}{}
\DeclareFontSeriesChangeRule {slc}{m?}{c}{}
\DeclareFontSeriesChangeRule {slec}{m?}{ec}{}
\DeclareFontSeriesChangeRule {slsc}{m?}{sc}{}
\DeclareFontSeriesChangeRule {slx}{m?}{x}{}
\DeclareFontSeriesChangeRule {sl}{m?}{m}{}
\DeclareFontSeriesChangeRule {ubc}{m?}{c}{}
\DeclareFontSeriesChangeRule {ubec}{m?}{ec}{}
\DeclareFontSeriesChangeRule {ubsc}{m?}{sc}{}
\DeclareFontSeriesChangeRule {ubx}{m?}{x}{}
\DeclareFontSeriesChangeRule {ub}{m?}{ub}{}
\DeclareFontSeriesChangeRule {ulc}{m?}{c}{}
\DeclareFontSeriesChangeRule {ulec}{m?}{ec}{}
\DeclareFontSeriesChangeRule {ulsc}{m?}{sc}{}
\DeclareFontSeriesChangeRule {ulx}{m?}{x}{}
\DeclareFontSeriesChangeRule {ul}{m?}{m}{}
\DeclareFontSeriesChangeRule {x}{m?}{x}{}
\DeclareFontSeriesChangeRule {bc}{?m}{b}{}
\DeclareFontSeriesChangeRule {bec}{?m}{b}{}
\DeclareFontSeriesChangeRule {bsc}{?m}{b}{}
\DeclareFontSeriesChangeRule {bsc}{?m}{b}{}
\DeclareFontSeriesChangeRule {bx}{?m}{b}{}
\DeclareFontSeriesChangeRule {b}{?m}{b}{}
\DeclareFontSeriesChangeRule {c}{?m}{m}{}
\DeclareFontSeriesChangeRule {ebc}{?m}{eb}{}
\DeclareFontSeriesChangeRule {ebec}{?m}{eb}{}
\DeclareFontSeriesChangeRule {ebsc}{?m}{eb}{}
\DeclareFontSeriesChangeRule {ebsc}{?m}{eb}{}
\DeclareFontSeriesChangeRule {ebx}{?m}{eb}{}
\DeclareFontSeriesChangeRule {eb}{?m}{eb}{}
\DeclareFontSeriesChangeRule {ec}{?m}{m}{}
\DeclareFontSeriesChangeRule {elc}{?m}{el}{}
\DeclareFontSeriesChangeRule {elec}{?m}{el}{}
\DeclareFontSeriesChangeRule {elsc}{?m}{el}{}
\DeclareFontSeriesChangeRule {elsc}{?m}{el}{}
\DeclareFontSeriesChangeRule {elx}{?m}{el}{}
\DeclareFontSeriesChangeRule {el}{?m}{el}{}
\DeclareFontSeriesChangeRule {lc}{?m}{l}{}
\DeclareFontSeriesChangeRule {lec}{?m}{l}{}
\DeclareFontSeriesChangeRule {lsc}{?m}{l}{}
\DeclareFontSeriesChangeRule {lsc}{?m}{l}{}
\DeclareFontSeriesChangeRule {lx}{?m}{l}{}
\DeclareFontSeriesChangeRule {l}{?m}{l}{}
\DeclareFontSeriesChangeRule {m}{?m}{m}{}
\DeclareFontSeriesChangeRule {sbc}{?m}{sb}{}
\DeclareFontSeriesChangeRule {sbec}{?m}{sb}{}
\DeclareFontSeriesChangeRule {sbsc}{?m}{sb}{}
\DeclareFontSeriesChangeRule {sbsc}{?m}{sb}{}
\DeclareFontSeriesChangeRule {sbx}{?m}{sb}{}
\DeclareFontSeriesChangeRule {sb}{?m}{sb}{}
\DeclareFontSeriesChangeRule {sc}{?m}{m}{}
\DeclareFontSeriesChangeRule {sc}{?m}{m}{}
\DeclareFontSeriesChangeRule {slc}{?m}{sl}{}
\DeclareFontSeriesChangeRule {slec}{?m}{sl}{}
\DeclareFontSeriesChangeRule {slsc}{?m}{sl}{}
\DeclareFontSeriesChangeRule {slsc}{?m}{sl}{}
\DeclareFontSeriesChangeRule {slx}{?m}{sl}{}
\DeclareFontSeriesChangeRule {sl}{?m}{sl}{}
\DeclareFontSeriesChangeRule {ubc}{?m}{ub}{}
\DeclareFontSeriesChangeRule {ubec}{?m}{ub}{}
\DeclareFontSeriesChangeRule {ubsc}{?m}{ub}{}
\DeclareFontSeriesChangeRule {ubsc}{?m}{ub}{}
\DeclareFontSeriesChangeRule {ubx}{?m}{ub}{}
\DeclareFontSeriesChangeRule {ub}{?m}{m}{}
\DeclareFontSeriesChangeRule {ulc}{?m}{ul}{}
\DeclareFontSeriesChangeRule {ulec}{?m}{ul}{}
\DeclareFontSeriesChangeRule {ulsc}{?m}{ul}{}
\DeclareFontSeriesChangeRule {ulsc}{?m}{ul}{}
\DeclareFontSeriesChangeRule {ulx}{?m}{ul}{}
\DeclareFontSeriesChangeRule {ul}{?m}{ul}{}
\DeclareFontSeriesChangeRule {x}{?m}{m}{}


\newif\if@forced@series
\DeclareRobustCommand\fontseriesforce[1]{\@forced@seriestrue\edef\f@series{#1}}
\DeclareRobustCommand\fontseries[1]{\@forced@seriesfalse\merge@font@series{#1}}

\def\merge@font@series#1{%
  \expandafter\expandafter\expandafter
  \merge@font@series@
    \csname series@\f@series @#1\endcsname
    {#1}%
    \@nil
}

\def\merge@font@series@#1#2#3\@nil{%
  \def\reserved@a{#3}%
  \ifx\reserved@a\@empty
    \set@target@series{#2}%
  \else
    \maybe@load@fontshape
    \edef\reserved@a{\f@encoding /\f@family /#1/\f@shape}%
     \ifcsname \reserved@a \endcsname
       \set@target@series{#1}%
    \else
       \ifcsname \f@encoding /\f@family /#2/\f@shape \endcsname
         \set@target@series{#2}%
         \@font@shape@subst@warning
       \else
         \set@target@series{#3}%
         \@font@shape@subst@warning
       \fi
    \fi
  \fi
}
\def\@font@shape@subst@warning{%
   \edef\reserved@b{\curr@fontshape}%
   \ifx\reserved@a\reserved@b \else
     \@font@warning{Font shape `\reserved@a' undefined\MessageBreak
                    using `\reserved@b' instead}%
   \fi
}
\def\maybe@load@fontshape{\begingroup\try@load@fontshape\endgroup}
\DeclareFontSeriesChangeRule {m}{sc}{msc}{mc}
\def\set@target@series#1{%
    \edef\f@series{#1}%
    \series@maybe@drop@one@m\f@series\f@series
}
\def\series@maybe@drop@one@m#1{%
  \expandafter\series@maybe@drop@one@m@x\expandafter{#1}}

\def\series@maybe@drop@one@m@x#1#2{%
  \def\in@@##1,#1,{}%
  \series@check@toks\expandafter{\in@@
    ,ulm,elm,lm,slm,mm,sbm,bm,ebm,ubm,muc,mec,mc,msc,msx,mx,mex,mux,{}{},#1,}%
  \edef\in@@{\the\series@check@toks}%
  \ifx\in@@\@empty
    \edef#2{#1}%
  \else
    \edef#2{\expandafter\series@drop@one@m #1m\series@drop@one@m}%
  \fi
}
\newtoks\series@check@toks
\def\series@drop@one@m#1m#2m#3\series@drop@one@m{%
   #1#2%
}

\def\DeclareFontShapeChangeRule #1#2#3#4{%
  \@namedef{shape@#1@#2}{{#3}{#4}}}
\DeclareRobustCommand\ulcshape
        {\not@math@alphabet\ulcshape\relax
         \fontshape\ulcdefault\selectfont}
\let\ulcdefault\@undefined      % for rollback
\newcommand\ulcdefault{ulc}
\DeclareRobustCommand\swshape
        {\not@math@alphabet\swshape\relax
         \fontshape\swdefault\selectfont}
\let\swdefault\@undefined      % for rollback
\newcommand\swdefault{sw}
\DeclareRobustCommand\sscshape
        {\not@math@alphabet\sscshape\relax
         \fontshape\sscdefault\selectfont}
\let\sscdefault\@undefined      % for rollback
\newcommand\sscdefault{ssc}
\DeclareFontShapeChangeRule {n}{it}  {it}  {sl}
\DeclareFontShapeChangeRule {n}{sl}  {sl}  {it}
\DeclareFontShapeChangeRule {n}{ulc} {n}   {}
\DeclareFontShapeChangeRule {n}{up} {n}    {}
\DeclareFontShapeChangeRule {it}{sl}  {sl}    {it}
\DeclareFontShapeChangeRule {it}{sc}  {scit}  {scsl}
\DeclareFontShapeChangeRule {it}{ulc} {it}    {}
\DeclareFontShapeChangeRule {it}{up} {n}      {}
\DeclareFontShapeChangeRule {sl}{it}  {it}    {sl}
\DeclareFontShapeChangeRule {sl}{sc}  {scsl}  {scit}
\DeclareFontShapeChangeRule {sl}{ulc} {sl}    {}
\DeclareFontShapeChangeRule {sl}{up} {n}      {}
\DeclareFontShapeChangeRule {sc}{it}  {scit}  {scsl}
\DeclareFontShapeChangeRule {sc}{sl}  {scsl}  {scit}
\DeclareFontShapeChangeRule {sc}{sw}  {scsw}  {sw}
\DeclareFontShapeChangeRule {sc}{ulc} {n}     {}
\DeclareFontShapeChangeRule {sc}{up} {n}     {}
\DeclareFontShapeChangeRule {scit}{it}  {scit}  {}
\DeclareFontShapeChangeRule {scit}{sl}  {scsl}  {scit}
\DeclareFontShapeChangeRule {scit}{sw}  {scsw}  {sc}    % or scit?
\DeclareFontShapeChangeRule {scit}{sc}  {scit}  {}
\DeclareFontShapeChangeRule {scit}{ulc} {it}    {}
\DeclareFontShapeChangeRule {scit}{up} {sc}     {}
\DeclareFontShapeChangeRule {scsl}{it}  {scit}  {scsl}
\DeclareFontShapeChangeRule {scsl}{sl}  {scsl}  {}
\DeclareFontShapeChangeRule {scsl}{sw}  {scsw}  {sc}    % or scsl?
\DeclareFontShapeChangeRule {scsl}{sc}  {scsl}  {}
\DeclareFontShapeChangeRule {scsl}{ulc} {sl}    {}
\DeclareFontShapeChangeRule {scsl}{up}   {sc}   {}
\DeclareFontShapeChangeRule {scsw}{it}  {scit}  {scsw}
\DeclareFontShapeChangeRule {scsw}{sl}  {scsl}  {}
\DeclareFontShapeChangeRule {scsw}{sw}  {scsw}  {}
\DeclareFontShapeChangeRule {scsw}{sc}  {scsw}  {}
\DeclareFontShapeChangeRule {scsw}{ulc} {sw}    {}
\DeclareFontShapeChangeRule {scsw}{up} {sc}     {}
\DeclareFontShapeChangeRule {sw}{sc}  {scsw}  {}
\DeclareFontShapeChangeRule {sw}{ulc} {sw}    {}
\DeclareFontShapeChangeRule {sw}{up} {n}      {}
\DeclareRobustCommand\fontshape[1]{\merge@font@shape{#1}}
\DeclareRobustCommand\fontshapeforce[1]{\edef\f@shape{#1}}
\def\merge@font@shape#1{%
  \expandafter\expandafter\expandafter
  \merge@font@shape@
    \csname shape@\f@shape @#1\endcsname
    {#1}%
    \@nil
}

\def\merge@font@shape@#1#2#3\@nil{%
  \def\reserved@a{#3}%
  \ifx\reserved@a\@empty
    \edef\f@shape{#2}%
  \else
    \maybe@load@fontshape
    \edef\reserved@a{\f@encoding /\f@family /\f@series/#1}%
     \ifcsname \reserved@a\endcsname
       \edef\f@shape{#1}%
    \else
       \ifcsname \f@encoding /\f@family /\f@series/#2\endcsname
         \edef\f@shape{#2}%
         \@font@shape@subst@warning
       \else
         \edef\f@shape{#3}%
         \@font@shape@subst@warning
       \fi
    \fi
  \fi
}
\protected\def\normalshape
    {\not@math@alphabet\normalshape\relax
      \fontshape\shapedefault\selectfont}%
\def\reinstall@nfss@defs{%
  \protected\def\upshape
          {\not@math@alphabet\upshape\relax
           \fontshape\updefault\selectfont}%
  \protected\def\slshape
          {\not@math@alphabet\slshape\relax
           \fontshape\sldefault\selectfont}%
  \protected\def\scshape
          {\not@math@alphabet\scshape\relax
           \fontshape\scdefault\selectfont}%
  \protected\def\itshape
          {\not@math@alphabet\itshape\mathit
           \fontshape\itdefault\selectfont}%
  \protected\def\ulcshape
          {\not@math@alphabet\ulcshape\relax
           \fontshape{ulc}\selectfont}%
  \protected\def\swshape
          {\not@math@alphabet\swshape\relax
           \fontshape\swdefault\selectfont}%
  \protected\def\sscshape
          {\not@math@alphabet\sscshape\relax
           \fontshape\sscdefault\selectfont}%
}
\EndIncludeInRelease
\IncludeInRelease{0000/00/00}%
   {\DeclareFontSeriesChangeRule}{Series change rules}%

\DeclareRobustCommand\fontseries[1]{\edef\f@series{#1}}
\DeclareRobustCommand\fontshape [1]{\edef\f@shape{#1}}
\let\fontseriesforce\@undefined
\let\fontshapeforce\@undefined

\let\DeclareFontSeriesChangeRule\@undefined
\let\merge@font@series\@undefined
\let\merge@font@series@\@undefined
\let\@font@shape@subst@warning\@undefined
\let\maybe@load@fontshape\@undefined
\let\set@target@series\@undefined
\let\series@maybe@drop@one@m\@undefined
\let\series@drop@one@m\@undefined
\let\DeclareFontShapeChangeRule\@undefined
\let\merge@font@shape\@undefined
\let\merge@font@shape@\@undefined
\let\normalshape\@undefined
\let\ulcshape\@undefined
\let\ulcdefault\@undefined
\let\swshape\@undefined
\let\swdefault\@undefined
\let\sscshape\@undefined
\let\sscdefault\@undefined
\let\normalshape\@undefined

\let\reinstall@nfss@defs\relax
\EndIncludeInRelease
\IncludeInRelease{2020/10/01}%
                 {\reinstall@nfss@defs}{NFSS series init}%
\g@addto@macro\@kernel@after@begindocument@before
              {\reinstall@nfss@defs\init@series@setup}
\EndIncludeInRelease
\IncludeInRelease{2020/02/02}%
                 {\reinstall@nfss@defs}{NFSS series init}%
\AtBeginDocument{\reinstall@nfss@defs\init@series@setup}
\EndIncludeInRelease
\IncludeInRelease{0000/00/00}%
                 {\reinstall@nfss@defs}{NFSS series init}%
\EndIncludeInRelease
%%% From File: ltfsstrc.dtx
%% Copyright (C) 1989-97 by Frank Mittelbach and Rainer Sch\"opf.
%% Copyright (C) 1994-97 by LaTeX3 project. All rights reserved.
\IncludeInRelease{2020/02/02}%
                 {\@font@aliasinfo}{alias size function}%
\DeclareSizeFunction{alias}{\sub@sfcnt\@font@aliasinfo}
\def\@font@aliasinfo#1{%
  \@font@info{Font\space shape\space `\curr@fontshape'\space
              aliased\space to\MessageBreak `\mandatory@arg'}%
}
\EndIncludeInRelease
\IncludeInRelease{0000/00/00}%
                 {\@font@aliasinfo}{alias size function}%
\let\s@fct@alias\@undefined
\let\@font@aliasinfo\@undefined

\EndIncludeInRelease
%%% From File: ltfsscmp.dtx
%% Copyright (C) 1989-1995 Frank Mittelbach and Rainer Sch\"opf,
%% all rights reserved.
\IncludeInRelease{2015/01/01}{\new@fontshape}%
                             {NFSS version1 commands}%
\let\new@fontshape\@undefined
\let\warn@rel@i\@undefined
\let\scan@fontshape\@undefined
\let\scan@@fontshape\@undefined
\let\subst@fontshape\@undefined
\let\extra@def\@undefined
\let\default@mextra\@undefined
\let\preload@sizes\@undefined
\let\err@rel@i\@undefined
\let\newmathalphabet\@undefined
\let\newmathalphabet@\@undefined
\let\newmathalphabet@@@\@undefined
\let\if@no@font@opt\@undefined
\let\@no@font@optfalse\@undefined
\let\define@mathalphabet\@undefined
\let\define@mathgroup\@undefined
\let\addtoversion\@undefined
\EndIncludeInRelease
\IncludeInRelease{0000/00/00}{\new@fontshape}%
                             {NFSS version1 commands}%
\gdef\new@fontshape#1#2#3#4{%
     \warn@rel@i\new@fontshape\DeclareFontShape
     \expandafter\scan@fontshape\@gobble#4<\@nil><<%
     \DeclareFontShape U{#1}{#2}{#3}\reserved@f}%
\@onlypreamble\new@fontshape
\gdef\warn@rel@i#1#2{%
 \@font@warning{***  NFSS release 1 command
               \noexpand#1found\MessageBreak
   ***  Update by using release 2 command
        \string#2.\MessageBreak
   ***  Recovery is probably possible}%
}%
\@onlypreamble\warn@rel@i
\gdef\scan@fontshape{%
  \let\reserved@f\@empty
  \let\reserved@e\@empty %        holds last info
  \scan@@fontshape
}%
\@onlypreamble\scan@fontshape
\gdef\scan@@fontshape#1>#2#3<{%
  \ifx\@nil#1%
    \edef\reserved@f{\reserved@f\reserved@e}%
  \else
    \def\reserved@b{#1}%       nick names
    \def\reserved@c{#3}%
    \in@{ at}{#3}%
    \ifin@
      \in@{pt}{#3}%  not a proof but a good chance
      \ifin@
        \def\reserved@a##1 at##2pt##3\@nil{%
           \def\reserved@b{##2}%
           \def\reserved@c{##1}%
           }%
        \reserved@a#3\@nil
      \fi
    \fi
    \ifnum 0<0#2
      \edef\reserved@d{subf*\reserved@c}%
      \ifcase #2\or
      \or
      \else
        \errmessage{*** What's this? NFSS release 0? ***}%
      \fi
    \else
      \edef\reserved@d{#2\reserved@c}%
    \fi
    \ifx\reserved@d\reserved@e
      \edef\reserved@f{\reserved@f<\reserved@b>}%
    \else
      \edef\reserved@f{\reserved@f\reserved@e<\reserved@b>}%add old info
      \let\reserved@e\reserved@d
    \fi
    \expandafter\scan@@fontshape
  \fi
}%
\@onlypreamble\scan@@fontshape
\gdef\subst@fontshape#1#2#3#4#5#6{%
     \warn@rel@i\subst@fontshape\DeclareFontShape
     \DeclareFontShape{U}{#1}{#2}{#3}{<->sub*#4/#5/#6}{}}%
\@onlypreamble\subst@fontshape
\gdef\extra@def#1#2#3{%
     \warn@rel@i\extra@def\DeclareFontFamily
     \DeclareFontFamily{U}{#1}{}%
}%
\@onlypreamble\extra@def
\gdef\default@mextra{%
  \warn@rel@i\default@mextra\DeclareFontEncodingDefaults
  \DeclareFontEncodingDefaults\relax
}%
\@onlypreamble\default@mextra
\gdef\preload@sizes{%
     \warn@rel@i\preload@sizes\DeclarePreloadSizes
     \DeclarePreloadSizes U%
}%
\@onlypreamble\preload@sizes
\gdef\err@rel@i#1#2{%
  \@latex@error{***  NFSS release 1 command \noexpand#1found%
          ^^J***  Recovery not possible. Use \string#2}%
       {The new release of NFSS doesn't support the
        \noexpand#1command^^Jany longer.
        Please upgrade your file to the syntax of NFSS
        release 2^^Jusing the \noexpand#2command.}%
  \batchmode\input.\relax
}%
\@onlypreamble\err@rel@i
\gdef\newmathalphabet{%
  \if@no@font@opt
    \@latex@error{*** NFSS release 1 command
                    \noexpand\newmathalphabet found%
     ^^J \space*** Automatic recovery not possible.%
     ^^J \space*** TYPE H for Help%
              }%
       {Please look at the file usrguide.tex for hints on
        how to resolve this problem.}%
  \else
     \warn@rel@i\newmathalphabet\DeclareMathAlphabet
  \fi
  \@ifstar\newmathalphabet@@@
          \newmathalphabet@@}%
\gdef\newmathalphabet@@#1{\DeclareMathAlphabet#1{U}{}{}{}}%
\gdef\newmathalphabet@@@#1#2#3#4{%
       \DeclareMathAlphabet{#1}{U}{#2}{#3}{#4}}%
\@onlypreamble\newmathalphabet
\@onlypreamble\newmathalphabet@@
\@onlypreamble\newmathalphabet@@@
\global\let\if@no@font@opt\iftrue
\gdef\@no@font@optfalse{\let\if@no@font@opt\iffalse}%
\gdef\define@mathalphabet{%
      \err@rel@i\define@mathalphabet\DeclareMathAlphabet
}%
\@onlypreamble\define@mathalphabet
\gdef\define@mathgroup{%
      \err@rel@i\define@mathgroup\DeclareSymbolFont
}%
\@onlypreamble\define@mathgroup
\def\addtoversion#1#2{%
  \warn@rel@i\addtoversion\SetMathAlphabet
  \SetMathAlphabet#2{#1}{U}}%
\@onlypreamble\addtoversion
\EndIncludeInRelease
%%% From File: ltpageno.dtx
%%% From File: ltxref.dtx
\IncludeInRelease{2020/10/01}%
                 {\refstepcounter}{Add \@currentcounter}%
\def\@currentcounter{}
\def\refstepcounter#1{\stepcounter{#1}%
    \edef\@currentcounter{#1}%
    \protected@edef\@currentlabel
       {\csname p@#1\expandafter\endcsname\csname the#1\endcsname}%
}
\def\labelformat#1{\expandafter\def\csname p@#1\endcsname##1}
\DeclareRobustCommand\Ref[1]{\protected@edef\@tempa{\ref{#1}}%
   \expandafter\MakeUppercase\@tempa}
\EndIncludeInRelease
\IncludeInRelease{2019/10/01}%
                 {\refstepcounter}{Add \labelformat and \Ref}%
\let\@currentcounter\@undefined
\def\refstepcounter#1{\stepcounter{#1}%
    \protected@edef\@currentlabel
      {\csname p@#1\expandafter\endcsname\csname the#1\endcsname}%
}
\def\labelformat#1{\expandafter\def\csname p@#1\endcsname##1}
\DeclareRobustCommand\Ref[1]{\protected@edef\@tempa{\ref{#1}}%
   \expandafter\MakeUppercase\@tempa}
\EndIncludeInRelease
\IncludeInRelease{0000/00/00}%
                 {\refstepcounter}{Add \labelformat and \Ref}%

\def\refstepcounter#1{\stepcounter{#1}%
    \protected@edef\@currentlabel
       {\csname p@#1\endcsname\csname the#1\endcsname}%
}
\let\labelformat\@undefined
\let\Ref\@undefined

\EndIncludeInRelease
%%% From File: ltmiscen.dtx
\IncludeInRelease{2020/10/01}%
                 {\enddocument}{Use Hooks}%
\def\enddocument{%
   \UseOneTimeHook{enddocument}%
   \@kernel@after@enddocument
   \@checkend{document}%
   \clearpage
   \UseOneTimeHook{enddocument/afterlastpage}%
   \@kernel@after@enddocument@afterlastpage
   \begingroup
     \if@filesw
       \immediate\closeout\@mainaux
       \let\@setckpt\@gobbletwo
       \let\@newl@bel\@testdef
       \@tempswafalse
       \makeatletter \@@input\jobname.aux
     \fi
     \UseOneTimeHook{enddocument/afteraux}%
     \UseOneTimeHook{enddocument/info}%
   \endgroup
   \UseOneTimeHook{enddocument/end}%
   \deadcycles\z@\@@end}
\NewHook{enddocument}
\NewHook{enddocument/afterlastpage}
\NewHook{enddocument/afteraux}
\NewHook{enddocument/info}
\NewHook{enddocument/end}
\AddToHook{enddocument/info}[kernel/filelist]{\@dofilelist}
\AddToHook{enddocument/info}[kernel/warnings]{\@enddocument@kernel@warnings}
\DeclareHookRule{enddocument/info}{kernel/filelist}{before}{kernel/warnings}
\let\@kernel@after@enddocument\@empty
\let\@kernel@after@enddocument@afterlastpage\@empty
\def\@enddocument@kernel@warnings{%
   \ifdim \font@submax >\fontsubfuzz\relax
     \@font@warning{Size substitutions with differences\MessageBreak
                up to \font@submax\space have occurred.\@gobbletwo}%
   \fi
   \@defaultsubs
   \@refundefined
   \if@filesw
     \ifx \@multiplelabels \relax
       \if@tempswa
         \@latex@warning@no@line{Label(s) may have changed.
             Rerun to get cross-references right}%
       \fi
     \else
       \@multiplelabels
     \fi
     \ifx \@extra@page@added \relax
         \@latex@warning@no@line{Temporary extra page added at the end.
             Rerun to get it removed}%
     \fi
   \fi
}
\EndIncludeInRelease
\IncludeInRelease{0000/00/00}%
                 {\enddocument}{Use Hooks}%

\def\enddocument{%
   \let\AtEndDocument\@firstofone
   \@enddocumenthook
   \@checkend{document}%
   \clearpage
   \begingroup
     \if@filesw
       \immediate\closeout\@mainaux
       \let\@setckpt\@gobbletwo
       \let\@newl@bel\@testdef
       \@tempswafalse
       \makeatletter \@@input\jobname.aux
     \fi
     \@dofilelist
     \ifdim \font@submax >\fontsubfuzz\relax
       \@font@warning{Size substitutions with differences\MessageBreak
                  up to \font@submax\space have occurred.\@gobbletwo}%
     \fi
     \@defaultsubs
     \@refundefined
     \if@filesw
       \ifx \@multiplelabels \relax
         \if@tempswa
           \@latex@warning@no@line{Label(s) may have changed.
               Rerun to get cross-references right}%
         \fi
       \else
         \@multiplelabels
       \fi
     \fi
   \endgroup
   \deadcycles\z@\@@end}

\let\@kernel@after@enddocument\@undefined
\let\@kernel@after@enddocument@afterlastpage\@undefined
\let\@enddocument@kernel@warnings\@undefined

\EndIncludeInRelease
\IncludeInRelease{2018/12/01}%
                 {\protected@file@percent}{Mask line endings}%
\protected\def\protected@file@percent{}

\catcode`\^^A=9
\long\gdef\add@percent@to@temptokena
    #1\protected@file@percent#2\add@percent@to@temptokena
    {\expandafter\ifx\expandafter X\detokenize{#2}X\expandafter\dont@add@percent@to@temptokena\else
             \expandafter\do@add@percent@to@temptokena\fi{#1}}
\long\def\dont@add@percent@to@temptokena#1{%
  \@temptokena\expandafter{#1}}
\begingroup
\catcode`\%=12
\catcode`\^^A=14
\long\gdef\do@add@percent@to@temptokena#1{\@temptokena\expandafter{#1%^^A
  }}
\endgroup
\long\def\@writefile#1#2{%
  \@ifundefined{tf@#1}\relax
    {%
      \add@percent@to@temptokena
        \@empty#2\protected@file@percent
        \add@percent@to@temptokena
     \immediate\write\csname tf@#1\endcsname{\the\@temptokena}%
    }%
}
\EndIncludeInRelease
\IncludeInRelease{0000/00/00}%
                 {\protected@file@percent}{Mask line endings}%
\let\protected@file@percent\@undefined
\let\add@percent@to@temptokena\@undefined
\let\do@add@percent@to@temptokena\@undefined
\let\dont@add@percent@to@temptokena\@undefined
\long\def\@writefile#1#2{%
  \@ifundefined{tf@#1}\relax
    {\@temptokena{#2}%
     \immediate\write\csname tf@#1\endcsname{\the\@temptokena}%
    }%
}
\EndIncludeInRelease
\IncludeInRelease{2020/10/01}%
                 {\begin}{Use hook system}%
\DeclareRobustCommand*\begin[1]{%
  \UseHook{env/#1/before}%
  \@ifundefined{#1}%
    {\def\reserved@a{\@latex@error{Environment #1 undefined}\@eha}}%
    {\def\reserved@a{\def\@currenvir{#1}%
        \edef\@currenvline{\on@line}%
        \@execute@begin@hook{#1}%
        \csname #1\endcsname}}%
  \@ignorefalse
  \begingroup\@endpefalse\reserved@a}
\def\@execute@begin@hook #1{%
  \expandafter\ifx\csname #1\endcsname\document
    \endgroup
    \gdef\@execute@begin@hook##1{\UseHook{env/##1/begin}}%
    \@expl@@@initialize@all@@
  \fi
  \UseHook{env/#1/begin}%
}
\edef\end
  {\unexpanded{%
     \romannumeral
       \ifx\protect\@typeset@protect
       \expandafter       %1
         \expandafter        %2
       \expandafter       %1
           \expandafter         %3 expands the \csname inside \end<space>
       \expandafter       %1
         \expandafter        %2  expands \end<space>
       \expandafter       %1     expands the \else
           \z@
       \else
         \expandafter\z@\expandafter\protect
       \fi
   }%
   \expandafter\noexpand\csname end \endcsname
  }
\@namedef{end }#1{%
  \romannumeral
    \IfHookEmptyTF{env/#1/end}%
        {\expandafter\z@}%
        {\z@\UseHook{env/#1/end}}%
    \csname end#1\endcsname\@checkend{#1}%
    \expandafter\endgroup\if@endpe\@doendpe\fi
    \UseHook{env/#1/after}%
    \if@ignore\@ignorefalse\ignorespaces\fi
}
\EndIncludeInRelease
\IncludeInRelease{2019/10/01}%
                 {\begin}{Making \begin/\end robust}%
\DeclareRobustCommand\begin[1]{%
  \@ifundefined{#1}%
    {\def\reserved@a{\@latex@error{Environment #1 undefined}\@eha}}%
    {\def\reserved@a{\def\@currenvir{#1}%
     \edef\@currenvline{\on@line}%
     \csname #1\endcsname}}%
  \@ignorefalse
  \begingroup\@endpefalse\reserved@a}
\edef\end
  {\unexpanded{%
     \romannumeral
       \ifx\protect\@typeset@protect
       \expandafter       %1
         \expandafter        %2
       \expandafter       %1
           \expandafter         %3 expands the \csname inside \end<space>
       \expandafter       %1
         \expandafter        %2  expands \end<space>
       \expandafter       %1     expands the \else
           \z@
       \else
         \expandafter\z@\expandafter\protect
       \fi
   }%
   \expandafter\noexpand\csname end \endcsname
  }
\@namedef{end }#1{%
  \csname end#1\endcsname\@checkend{#1}%
  \expandafter\endgroup\if@endpe\@doendpe\fi
  \if@ignore\@ignorefalse\ignorespaces\fi}
\EndIncludeInRelease
\IncludeInRelease{0000/00/00}%
                 {\begin}{Making \begin/\end robust}%
\def\begin#1{%
  \@ifundefined{#1}%
    {\def\reserved@a{\@latex@error{Environment #1 undefined}\@eha}}%
    {\def\reserved@a{\def\@currenvir{#1}%
     \edef\@currenvline{\on@line}%
     \csname #1\endcsname}}%
  \@ignorefalse
  \begingroup\@endpefalse\reserved@a}
\def\end#1{%
  \csname end#1\endcsname\@checkend{#1}%
  \expandafter\endgroup\if@endpe\@doendpe\fi
  \if@ignore\@ignorefalse\ignorespaces\fi}

\EndIncludeInRelease
\IncludeInRelease{2020/10/01}%
                 {\AtBeginEnvironment}{Hooks for environments}%
\newcommand\AtBeginEnvironment[2][.]    {\AddToHook{env/#2/begin}[#1]}
\newcommand\AtEndEnvironment[2][.]      {\AddToHook{env/#2/end}[#1]}
\newcommand\BeforeBeginEnvironment[2][.]{\AddToHook{env/#2/before}[#1]}
\newcommand\AfterEndEnvironment[2][.]   {\AddToHook{env/#2/after}[#1]}
\EndIncludeInRelease
\IncludeInRelease{0000/00/00}%
                 {\AtBeginEnvironment}{Hooks for environments}%

\let\AtBeginEnvironment\@undefined
\let\AtEndEnvironment\@undefined
\let\BeforeBeginEnvironment\@undefined
\let\AfterEndEnvironment\@undefined

\EndIncludeInRelease
\IncludeInRelease{2020/02/02}%
                 {\@centercr}{Make robust}%
\protected\def\@centercr{\ifhmode \unskip\else \@nolnerr\fi
       \par\@ifstar{\nobreak\@xcentercr}\@xcentercr}
\EndIncludeInRelease
\IncludeInRelease{0000/00/00}%
                 {\@centercr}{Make robust}%

\def\@centercr{\ifhmode \unskip\else \@nolnerr\fi
       \par\@ifstar{\nobreak\@xcentercr}\@xcentercr}

\EndIncludeInRelease
\IncludeInRelease{2020/10/01}%
                 {\@icentercr}{centering, etc support calc}%
\def\@icentercr[#1]{\@vspace@calcify{#1}\ignorespaces}
\EndIncludeInRelease
\IncludeInRelease{0000/00/00}%
                 {\@icentercr}{centering, etc support calc}%

\def\@icentercr[#1]{\vskip #1\ignorespaces}
\EndIncludeInRelease
\IncludeInRelease{2020/10/01}%
                 {\centering}{Set finaldhypendemerits}%
\DeclareRobustCommand\centering{%
  \let\\\@centercr
  \rightskip\@flushglue\leftskip\@flushglue
  \finalhyphendemerits=\z@
  \parindent\z@\parfillskip\z@skip}
\DeclareRobustCommand\raggedright{%
  \let\\\@centercr\@rightskip\@flushglue \rightskip\@rightskip
  \finalhyphendemerits=\z@
  \leftskip\z@skip
  \parindent\z@}
\DeclareRobustCommand\raggedleft{%
  \let\\\@centercr
  \rightskip\z@skip\leftskip\@flushglue
  \finalhyphendemerits=\z@
  \parindent\z@\parfillskip\z@skip}
\EndIncludeInRelease
\IncludeInRelease{2019/10/01}%
                 {\centering}{Make commands robust}%

\DeclareRobustCommand\centering{%
  \let\\\@centercr
  \rightskip\@flushglue\leftskip\@flushglue
  \parindent\z@\parfillskip\z@skip}
\DeclareRobustCommand\raggedright{%
  \let\\\@centercr\@rightskip\@flushglue \rightskip\@rightskip
  \leftskip\z@skip
  \parindent\z@}
\DeclareRobustCommand\raggedleft{%
  \let\\\@centercr
  \rightskip\z@skip\leftskip\@flushglue
  \parindent\z@\parfillskip\z@skip}
\EndIncludeInRelease

\IncludeInRelease{0000/00/00}%
                 {\centering}{Make commands robust}%

\kernel@make@fragile\centering
\kernel@make@fragile\raggedright
\kernel@make@fragile\raggedleft

\EndIncludeInRelease
\IncludeInRelease{2017-04-15}{\@verbatim}%
                 {Disable hyphenation in verbatim}%
\def\@verbatim{\trivlist \item\relax
  \if@minipage\else\vskip\parskip\fi
  \leftskip\@totalleftmargin\rightskip\z@skip
  \parindent\z@\parfillskip\@flushglue\parskip\z@skip
  \@@par
  \language\l@nohyphenation
  \@tempswafalse
  \def\par{%
    \if@tempswa
      \leavevmode \null \@@par\penalty\interlinepenalty
    \else
      \@tempswatrue
      \ifhmode\@@par\penalty\interlinepenalty\fi
    \fi}%
  \let\do\@makeother \dospecials
  \obeylines \verbatim@font \@noligs
  \everypar \expandafter{\the\everypar \unpenalty}%
}
\EndIncludeInRelease
\IncludeInRelease{0000-00-00}{\@verbatim}%
                 {Disable hyphenation in verbatim}%
\def\@verbatim{\trivlist \item\relax
  \if@minipage\else\vskip\parskip\fi
  \leftskip\@totalleftmargin\rightskip\z@skip
  \parindent\z@\parfillskip\@flushglue\parskip\z@skip
  \@@par
  \@tempswafalse
  \def\par{%
    \if@tempswa
      \leavevmode \null \@@par\penalty\interlinepenalty
    \else
      \@tempswatrue
      \ifhmode\@@par\penalty\interlinepenalty\fi
    \fi}%
  \let\do\@makeother \dospecials
  \obeylines \verbatim@font \@noligs
  \hyphenchar\font\m@ne
  \everypar \expandafter{\the\everypar \unpenalty}%
}
\EndIncludeInRelease
\IncludeInRelease{2018/12/01}%
                 {\verbvisiblespace}{Setup visible space for \verb}%
\DeclareRobustCommand\asciispace{\char 32 }
\ifx\Umathcode\@undefined
  \let\verbvisiblespace\asciispace                                % Pdftex version
\else
  \DeclareRobustCommand\verbvisiblespace
           {\leavevmode{\usefont{OT1}{cmtt}{m}{n}\asciispace}}    % xetex/luatex version
\fi

\def\@setupverbvisiblespace{%
  \ifx\verbvisiblespace\asciispace
    \let\@xobeysp\asciispace
  \else
    \setbox\z@\hbox{x}%
    \setbox\@verbvisiblespacebox\hbox to\wd\z@{\hss\verbvisiblespace\hss}%
    \def\@xobeysp{\leavevmode\copy\@verbvisiblespacebox}%
  \fi
}

\newbox\@verbvisiblespacebox
\@namedef{verbatim*}{\@verbatim
  \@setupverbvisiblespace
  \frenchspacing\@vobeyspaces\@sxverbatim}
\expandafter\let\csname endverbatim*\endcsname =\endverbatim
\EndIncludeInRelease
\IncludeInRelease{0000/00/00}%
                 {\verbvisiblespace}{Setup visible space for \verb}%

\@namedef{verbatim*}{\@verbatim\@sxverbatim}

\let\asciispace            \@undefined
\let\verbvisiblespace      \@undefined
\let\@setupverbvisiblespace\@undefined
\let\@verbvisiblespacebox  \@undefined
\EndIncludeInRelease
\IncludeInRelease{2020/10/01}%
                 {\@sverb}{Drop spaces before \verb delimiter}%
\def\@sverb#1{\if\noexpand#1 \expandafter\@sverb\else\@@sverb{#1}\fi}
\def\@@sverb#1{%
  \catcode`#1\active
  \lccode`\~`#1%
  \gdef\verb@balance@group{\verb@egroup
     \@latex@error{\noexpand\verb illegal in command argument}\@ehc}%
  \aftergroup\verb@balance@group
  \lowercase{\let~\verb@egroup}%
  \ifnum\catcode`\ =\active
  \else  \@setupverbvisiblespace \@vobeyspaces \fi
}
\EndIncludeInRelease
\IncludeInRelease{2018/12/01}%
                 {\@sverb}{Setup visible space for \verb}%

\def\@sverb#1{%
  \catcode`#1\active
  \lccode`\~`#1%
  \gdef\verb@balance@group{\verb@egroup
     \@latex@error{\noexpand\verb illegal in command argument}\@ehc}%
  \aftergroup\verb@balance@group
  \lowercase{\let~\verb@egroup}%
  \ifnum\catcode`\ =\active
  \else  \@setupverbvisiblespace \@vobeyspaces \fi
}
\let\@@sverb\@undefined
\EndIncludeInRelease

\IncludeInRelease{0000/00/00}%
                 {\@sverb}{Setup visible space for \verb}%
\def\@sverb#1{%
  \catcode`#1\active
  \lccode`\~`#1%
  \gdef\verb@balance@group{\verb@egroup
     \@latex@error{\noexpand\verb illegal in command argument}\@ehc}%
  \aftergroup\verb@balance@group
  \lowercase{\let~\verb@egroup}}%

\EndIncludeInRelease
\IncludeInRelease{2017-04-15}{\verb}%
                 {Disable hyphenation in verb}%
\def\verb{\relax\ifmmode\hbox\else\leavevmode\null\fi
  \bgroup
    \verb@eol@error \let\do\@makeother \dospecials
    \verbatim@font\@noligs
    \language\l@nohyphenation
    \@ifstar\@sverb\@verb}
\EndIncludeInRelease
\IncludeInRelease{0000-00-00}{\verb}%
                 {Disable hyphenation in verb}%
\def\verb{\relax\ifmmode\hbox\else\leavevmode\null\fi
  \bgroup
    \verb@eol@error \let\do\@makeother \dospecials
    \verbatim@font\@noligs
    \@ifstar\@sverb\@verb}
\EndIncludeInRelease
\ifx\directlua\@undefined\else
\IncludeInRelease{2015/10/01}
                 {\newluafunction}{LuaTeX}%
\ifnum\luatexversion<60 %
  \wlog{***************************************************}
  \wlog{* LuaTeX version too old for ltluatex support *}
  \wlog{***************************************************}
  \expandafter\endinput
\fi
\long\def\@gobble#1{}
\long\def\@firstofone#1{#1}
\ifx\e@alloc@attribute@count\@undefined
  \countdef\e@alloc@attribute@count=258
  \e@alloc@attribute@count=\z@
\fi
\def\newattribute#1{%
  \e@alloc\attribute\attributedef
    \e@alloc@attribute@count\m@ne\e@alloc@top#1%
}
\def\setattribute#1#2{#1=\numexpr#2\relax}
\def\unsetattribute#1{#1=-"7FFFFFFF\relax}
\ifx\e@alloc@ccodetable@count\@undefined
  \countdef\e@alloc@ccodetable@count=259
  \e@alloc@ccodetable@count=\z@
\fi
\def\newcatcodetable#1{%
  \e@alloc\catcodetable\chardef
    \e@alloc@ccodetable@count\m@ne{"8000}#1%
  \initcatcodetable\allocationnumber
}
\newcatcodetable\catcodetable@initex
\newcatcodetable\catcodetable@string
\begingroup
  \def\setrangecatcode#1#2#3{%
    \ifnum#1>#2 %
      \expandafter\@gobble
    \else
      \expandafter\@firstofone
    \fi
      {%
        \catcode#1=#3 %
        \expandafter\setrangecatcode\expandafter
          {\number\numexpr#1 + 1\relax}{#2}{#3}
      }%
  }
  \@firstofone{%
    \catcodetable\catcodetable@initex
      \catcode0=12 %
      \catcode13=12 %
      \catcode37=12 %
      \setrangecatcode{65}{90}{12}%
      \setrangecatcode{97}{122}{12}%
      \catcode92=12 %
      \catcode127=12 %
      \savecatcodetable\catcodetable@string
    \endgroup
  }%
\newcatcodetable\catcodetable@latex
\newcatcodetable\catcodetable@atletter
\begingroup
  \def\parseunicodedataI#1;#2;#3;#4\relax{%
    \parseunicodedataII#1;#3;#2 First>\relax
  }%
  \def\parseunicodedataII#1;#2;#3 First>#4\relax{%
    \ifx\relax#4\relax
      \expandafter\parseunicodedataIII
    \else
      \expandafter\parseunicodedataIV
    \fi
      {#1}#2\relax%
  }%
  \def\parseunicodedataIII#1#2#3\relax{%
    \ifnum 0%
      \if L#21\fi
      \if M#21\fi
      >0 %
      \catcode"#1=11 %
    \fi
  }%
  \def\parseunicodedataIV#1#2#3\relax{%
    \read\unicoderead to \unicodedataline
    \if L#2%
      \count0="#1 %
      \expandafter\parseunicodedataV\unicodedataline\relax
    \fi
  }%
  \def\parseunicodedataV#1;#2\relax{%
    \loop
      \unless\ifnum\count0>"#1 %
        \catcode\count0=11 %
        \advance\count0 by 1 %
    \repeat
  }%
  \def\storedpar{\par}%
  \chardef\unicoderead=\numexpr\count16 + 1\relax
  \openin\unicoderead=UnicodeData.txt %
  \loop\unless\ifeof\unicoderead %
    \read\unicoderead to \unicodedataline
    \unless\ifx\unicodedataline\storedpar
      \expandafter\parseunicodedataI\unicodedataline\relax
    \fi
  \repeat
  \closein\unicoderead
  \@firstofone{%
    \catcode64=12 %
    \savecatcodetable\catcodetable@latex
    \catcode64=11 %
    \savecatcodetable\catcodetable@atletter
   }
\endgroup
\ifx\e@alloc@luafunction@count\@undefined
  \countdef\e@alloc@luafunction@count=260
  \e@alloc@luafunction@count=\z@
\fi
\def\newluafunction{%
  \e@alloc\luafunction\e@alloc@chardef
    \e@alloc@luafunction@count\m@ne\e@alloc@top
}
\ifx\e@alloc@whatsit@count\@undefined
  \countdef\e@alloc@whatsit@count=261
  \e@alloc@whatsit@count=\z@
\fi
\def\newwhatsit#1{%
  \e@alloc\whatsit\e@alloc@chardef
    \e@alloc@whatsit@count\m@ne\e@alloc@top#1%
}
\ifx\e@alloc@bytecode@count\@undefined
  \countdef\e@alloc@bytecode@count=262
  \e@alloc@bytecode@count=\z@
\fi
\def\newluabytecode#1{%
  \e@alloc\luabytecode\e@alloc@chardef
    \e@alloc@bytecode@count\m@ne\e@alloc@top#1%
}

\ifx\e@alloc@luachunk@count\@undefined
  \countdef\e@alloc@luachunk@count=263
  \e@alloc@luachunk@count=\z@
\fi
\def\newluachunkname#1{%
  \e@alloc\luachunk\e@alloc@chardef
    \e@alloc@luachunk@count\m@ne\e@alloc@top#1%
    {\escapechar\m@ne
    \directlua{lua.name[\the\allocationnumber]="\string#1"}}%
}
\def\now@and@everyjob#1{%
  \everyjob\expandafter{\the\everyjob
    #1%
  }%
  #1%
}
  \begingroup
    \attributedef\attributezero=0 %
    \chardef     \charzero     =0 %
    \countdef    \CountZero    =0 %
    \dimendef    \dimenzero    =0 %
    \mathchardef \mathcharzero =0 %
    \muskipdef   \muskipzero   =0 %
    \skipdef     \skipzero     =0 %
    \toksdef     \tokszero     =0 %
    \directlua{require("ltluatex")}
  \endgroup
\EndIncludeInRelease
\IncludeInRelease{0000/00/00}
                 {\newluafunction}{LuaTeX}%
\let\e@alloc@attribute@count\@undefined
\let\newattribute\@undefined
\let\setattribute\@undefined
\let\unsetattribute\@undefined
\let\e@alloc@ccodetable@count\@undefined
\let\newcatcodetable\@undefined
\let\catcodetable@initex\@undefined
\let\catcodetable@string\@undefined
\let\catcodetable@latex\@undefined
\let\catcodetable@atletter\@undefined
\let\e@alloc@luafunction@count\@undefined
\let\newluafunction\@undefined
\let\e@alloc@luafunction@count\@undefined
\let\newwhatsit\@undefined
\let\e@alloc@whatsit@count\@undefined
\let\newluabytecode\@undefined
\let\e@alloc@bytecode@count\@undefined
\let\newluachunkname\@undefined
\let\e@alloc@luachunk@count\@undefined
\directlua{luatexbase.uninstall()}
\EndIncludeInRelease
\IncludeInRelease{2017/01/01}%
                 {\fontencoding}{TU in everyjob}%
\fontencoding{TU}\let\encodingdefault\f@encoding
\ifx\directlua\@undefined\else
  \directlua{%
  if xpcall(function ()%
             require('luaotfload-main')%
            end,texio.write_nl) then %
  local _void = luaotfload.main ()%
  else %
  texio.write_nl('Error in luaotfload: reverting to OT1')%
  tex.print('\string\\def\string\\encodingdefault{OT1}')%
  end %
  }%
  \let\f@encoding\encodingdefault
  \expandafter\let\csname ver@luaotfload.sty\endcsname\fmtversion
\fi
\EndIncludeInRelease
\IncludeInRelease{0000/00/00}%
                 {\fontencoding}{TU in everyjob}%
\fontencoding{OT1}\let\encodingdefault\f@encoding
\EndIncludeInRelease
\fi
%%% From File: ltexpl.dtx
\IncludeInRelease{2020/10/01}%
                 {expl3}{Pre-load expl3}%
\expandafter\ifx\csname tex\string _let:D\endcsname\relax
  \expandafter\@firstofone
\else
  \GenericInfo{}{Skipping: expl3 code already part of the format}%
  \expandafter\@gobble
\fi
  {%
    \IfFileExists{expl3.ltx}
      {%
        \ifnum0%
          \ifdefined\pdffilesize 1\fi
          \ifdefined\filesize 1\fi
          \ifdefined\luatexversion\ifnum\luatexversion>94 1\fi\fi
          \ifdefined\kanjiskip 1\fi
            >0 %
          \expandafter\@firstofone
        \else
          \@latex@error{%
            LaTeX requires the e-TeX primitives and additional\MessageBreak
            functionality available in the engines:\MessageBreak
              - pdfTeX v1.40\MessageBreak
              - XeTeX v0.99992\MessageBreak
              - LuaTeX v0.95\MessageBreak
              - e-(u)pTeX mid-2012\MessageBreak
            or later%
          }\@ehd \expandafter\@gobble
        \fi
      }
      {%
        \@latex@error{LaTeX requires expl3}\@ehd
        \@gobble
      }%
      {%
        \input expl3.ltx
        \ifdefined\NewDocumentCommand
        \else
          \IfFileExists{xparse.ltx}
            {\input xparse.ltx }
            {}%
         \fi
      }%
  }
\EndIncludeInRelease

\IncludeInRelease{2020/02/02}%
                 {expl3}{Pre-load expl3}%
\IfFileExists{expl3.ltx}
  {%
    \ifnum0%
      \ifdefined\pdffilesize 1\fi
      \ifdefined\filesize 1\fi
      \ifdefined\luatexversion\ifnum\luatexversion>94 1\fi\fi
      >0 %
    \else
      \message{Skipping expl3-dependent extensions}
      \expandafter\@gobbletwo
    \fi
  }
  {%
    \message{Skipping expl3-dependent extensions}%
    \@gobbletwo
  }%
\input{expl3.ltx}
\EndIncludeInRelease
\ExplSyntaxOn
\IncludeInRelease{2020/10/01}{expl3~2020-10-01}%
        {expl3~macros~added~for~the~2020-10-01~release}%
\cs_gset_eq:NN \@expl@cs@to@str@@N \cs_to_str:N
\cs_gset_eq:NN \@expl@str@if@eq@@nnTF \str_if_eq:nnTF
\cs_gset_eq:NN \@expl@cs@prefix@spec@@N \cs_prefix_spec:N
\cs_gset_eq:NN \@expl@cs@argument@spec@@N \cs_argument_spec:N
\cs_gset_eq:NN \@expl@cs@replacement@spec@@N \cs_replacement_spec:N
\cs_gset_eq:NN \@expl@str@map@function@@NN \str_map_function:NN
\cs_gset_eq:NN \@expl@char@generate@@nn \char_generate:nn
\EndIncludeInRelease
\IncludeInRelease{0000/00/00}{expl3~2020-10-01}%
        {expl3~macros~added~for~the~2020-10-01~release}%
\cs_undefine:N \@expl@cs@to@str@@N
\cs_undefine:N \@expl@str@if@eq@@nnTF
\cs_undefine:N \@expl@cs@prefix@spec@@N
\cs_undefine:N \@expl@cs@argument@spec@@N
\cs_undefine:N \@expl@cs@replacement@spec@@N
\cs_undefine:N \@expl@str@map@function@@NN
\EndIncludeInRelease
\ExplSyntaxOff
%%% From File: ltfinal.dtx
\IncludeInRelease{2015/01/01}%
                 {\newmarks}{Extended Allocation}%
\ifx\marks\@undefined\else
\def\newmarks{%
  \e@alloc\marks \e@alloc@chardef{\count256}\m@ne\e@alloc@top}
\fi
\EndIncludeInRelease
\IncludeInRelease{0000/00/00}%
                 {\newmarks}{Extended Allocation}%
\let\newmarks\@undefined
\EndIncludeInRelease
\IncludeInRelease{2015/01/01}%
              {\newXeTeXintercharclass}{Extended Allocation}%
\ifx\XeTeXcharclass\@undefined
\else
\ifdim\the\XeTeXversion\XeTeXrevision\p@>0.99993\p@
  \chardef\e@alloc@intercharclass@top=4095
\else
  \chardef\e@alloc@intercharclass@top=255
\fi
\def\newXeTeXintercharclass{%
 \e@alloc\XeTeXcharclass
   \chardef\xe@alloc@intercharclass\m@ne\e@alloc@intercharclass@top}
\fi
\EndIncludeInRelease
\IncludeInRelease{0000/00/00}%
              {\newXeTeXintercharclass}{Extended Allocation}%
 \ifx\XeTeXcharclass\@undefined
 \else
    \def\xe@alloc@#1#2#3#4#5{\global\advance#1\@ne
     \xe@ch@ck#1#4#2%
     \allocationnumber#1%
     \global#3#5\allocationnumber
     \wlog{\string#5=\string#2\the\allocationnumber}}
    \def\xe@ch@ck#1#2#3{%
     \ifnum#1<#2\else
      \errmessage{No room for a new #3}%
     \fi}
    \def\newXeTeXintercharclass{%
     \xe@alloc@\xe@alloc@intercharclass
                    \XeTeXcharclass\chardef\@cclv}
 \fi
\EndIncludeInRelease
\IncludeInRelease{2016/02/01}%
  {\xe@alloc@intercharclass}{Start of XeTeX class allocator}%
\ifx\XeTeXcharclass\@undefined
\else
  \countdef\xe@alloc@intercharclass=257
  \xe@alloc@intercharclass=\z@
\fi
\EndIncludeInRelease
\IncludeInRelease{2015/01/01}%
  {\xe@alloc@intercharclass}{Start of XeTeX class allocator}%
 \ifx\XeTeXcharclass\@undefined
 \else
   \xe@alloc@intercharclass=\thr@@
 \fi
\EndIncludeInRelease
\IncludeInRelease{0000/00/00}%
  {\xe@alloc@intercharclass}{Start of XeTeX class allocator}%
 \ifx\XeTeXcharclass\@undefined
 \else
   \newcount\xe@alloc@intercharclass
   \xe@alloc@intercharclass=\thr@@
 \fi
\EndIncludeInRelease
\IncludeInRelease{2016/02/01}%
  {\XeTeXintercharclasses}{XeTeX character classes}%
  \ifx\XeTeXinterchartoks\undefined
  \else
    \begingroup
      \chardef\XeTeXcharclassID = 0 %
      \chardef\XeTeXcharclassOP = 0 %
      \chardef\XeTeXcharclassCL = 0 %
      \chardef\XeTeXcharclassEX = 0 %
      \chardef\XeTeXcharclassIS = 0 %
      \chardef\XeTeXcharclassNS = 0 %
      \chardef\XeTeXcharclassCM = 0 %
      \input{load-unicode-xetex-classes}
    \endgroup
    \global\let\xtxHanGlue\undefined
    \global\let\xtxHanSpace\undefined
    \global\XeTeXinterchartoks 0 1 = {}
    \global\XeTeXinterchartoks 0 2 = {}
    \global\XeTeXinterchartoks 0 3 = {}
    \global\XeTeXinterchartoks 1 0 = {}
    \global\XeTeXinterchartoks 2 0 = {}
    \global\XeTeXinterchartoks 3 0 = {}
    \global\XeTeXinterchartoks 1 1 = {}
    \global\XeTeXinterchartoks 1 2 = {}
    \global\XeTeXinterchartoks 1 3 = {}
    \global\XeTeXinterchartoks 2 1 = {}
    \global\XeTeXinterchartoks 2 2 = {}
    \global\XeTeXinterchartoks 2 3 = {}
    \global\XeTeXinterchartoks 3 1 = {}
    \global\XeTeXinterchartoks 3 2 = {}
    \global\XeTeXinterchartoks 3 3 = {}
  \fi
\EndIncludeInRelease
\IncludeInRelease{0000/00/00}%
  {\XeTeXintercharclasses}{XeTeX character classes}%
  \ifx\XeTeXinterchartoks\undefined
  \else
   \input{load-unicode-xetex-classes}
   \gdef\xtxHanGlue{\hskip0pt plus 0.1em\relax}
   \gdef\xtxHanSpace{\hskip0.2em plus 0.2em minus 0.1em\relax}
   \global\XeTeXinterchartoks 0 1 = {\xtxHanSpace}
   \global\XeTeXinterchartoks 0 2 = {\xtxHanSpace}
   \global\XeTeXinterchartoks 0 3 = {\nobreak\xtxHanSpace}
   \global\XeTeXinterchartoks 1 0 = {\xtxHanSpace}
   \global\XeTeXinterchartoks 2 0 = {\nobreak\xtxHanSpace}
   \global\XeTeXinterchartoks 3 0 = {\xtxHanSpace}
   \global\XeTeXinterchartoks 1 1 = {\xtxHanGlue}
   \global\XeTeXinterchartoks 1 2 = {\xtxHanGlue}
   \global\XeTeXinterchartoks 1 3 = {\nobreak\xtxHanGlue}
   \global\XeTeXinterchartoks 2 1 = {\nobreak\xtxHanGlue}
   \global\XeTeXinterchartoks 2 2 = {\nobreak\xtxHanGlue}
   \global\XeTeXinterchartoks 2 3 = {\xtxHanGlue}
   \global\XeTeXinterchartoks 3 1 = {\xtxHanGlue}
   \global\XeTeXinterchartoks 3 2 = {\xtxHanGlue}
   \global\XeTeXinterchartoks 3 3 = {\nobreak\xtxHanGlue}
  \fi
\EndIncludeInRelease
\IncludeInRelease{2017/04/15}%
                 {\document@default@language}{Save language for hyphenation}%
\let\document@default@language\m@ne
\EndIncludeInRelease
\IncludeInRelease{0000/00/00}%
                 {\document@default@language}{Save language for hyphenation}%
\let\document@default@language\@undefined
\EndIncludeInRelease
\IncludeInRelease{2018/04/01}%
                 {\UTFviii@invalid}{UTF-8 default}%
\ifnum0%
  \ifx\Umathcode\@undefined\else 1\fi
  \ifx\mubyte\@undefined\else 1\fi
  \ifx\charsubdef\@undefined\else 1\fi
  =\z@
\def\saved@space@catcode{10}
\let\@inpenc@test\relax
\def\IeC{%
  \ifx\protect\@typeset@protect
    \expandafter\@firstofone
  \else
    \noexpand\IeC
  \fi
}
\@tempcnta=1
\loop
  \catcode\@tempcnta=13  %
  \advance\@tempcnta\@ne %
\ifnum\@tempcnta<32      %
\repeat                  %
\catcode0=15  % null
\catcode9=10  % tab
\catcode10=12 % ctrl J
\catcode12=13 % ctrl L
\catcode13=5  % newline
\@tempcnta=128
\loop
  \catcode\@tempcnta=13
  \advance\@tempcnta\@ne
\ifnum\@tempcnta<256
\repeat
\def\UseRawInputEncoding{%
\let\inputencodingname\@undefined                     % revert
\let\DeclareFontEncoding@\DeclareFontEncoding@saved   % revert
\let\DeclareUnicodeCharacter\@undefined               % revert
\@tempcnta=1
\loop
  \catcode\@tempcnta=15  %
  \advance\@tempcnta\@ne %
\ifnum\@tempcnta<32      %
\repeat                  %
\catcode0=15  % null
\catcode9=10  % tab
\catcode10=12 % ctrl J
\catcode12=13 % ctrl L
\catcode13=5  % newline
\@tempcnta=128
\loop
  \catcode\@tempcnta=12
  \advance\@tempcnta\@ne
\ifnum\@tempcnta<256
\repeat
}
\let\DeclareFontEncoding@saved\DeclareFontEncoding@
\edef\inputencodingname{utf8}%
\input{utf8.def}
\let\UTFviii@undefined@err@@\UTFviii@undefined@err
\let\UTFviii@invalid@err@@\UTFviii@invalid@err
\let\UTFviii@two@octets@@\UTFviii@two@octets
\let\UTFviii@three@octets@@\UTFviii@three@octets
\let\UTFviii@four@octets@@\UTFviii@four@octets
\let\@inpenc@test\@undefined
\let\saved@space@catcode\@undefined
\else
\@tempcnta=0
\loop
  \catcode\@tempcnta=15  %
  \advance\@tempcnta\@ne %
\ifnum\@tempcnta<32      %
\repeat                  %
\catcode0=15  % null
\catcode9=10  % tab
\catcode10=12 % ctrl J
\catcode12=13 % ctrl L
\catcode13=5  % newline
\let\UseRawInputEncoding\relax
\fi
\EndIncludeInRelease
\IncludeInRelease{0000/00/00}%
                 {\UTFviii@invalid}{UTF-8 default}%
  \let\UTFviii@two@octets@combine\@undefined
  \let\UTFviii@three@octets@combine\@undefined
  \let\UTFviii@four@octets@combine\@undefined
  \let\UTFviii@two@octets@string\@undefined
  \let\UTFviii@three@octets@string\@undefined
  \let\UTFviii@four@octets@string\@undefined
  \let\UTFviii@two@octets@noexpand\@undefined
  \let\UTFviii@three@octets@noexpand\@undefined
  \let\UTFviii@four@octets@noexpand\@undefined
\@tempcnta=0
\loop
  \catcode\@tempcnta=15
  \advance\@tempcnta\@ne
\ifnum\@tempcnta<32
\repeat       %
\catcode9=10  % tab
\catcode10=12 % ctrl J
\catcode12=13 % ctrl L
\catcode13=5  % newline
\@tempcnta=128
\loop
\catcode\@tempcnta=12
\advance\@tempcnta\@ne
\ifnum\@tempcnta<256
\repeat
\let\IeC\@undefined
\def\DeclareFontEncoding@#1#2#3{%
  \expandafter
  \ifx\csname T@#1\endcsname\relax
     \def\cdp@elt{\noexpand\cdp@elt}%
     \xdef\cdp@list{\cdp@list\cdp@elt{#1}%
                    {\default@family}{\default@series}%
                    {\default@shape}}%
     \expandafter\let\csname#1-cmd\endcsname\@changed@cmd
  \else
     \@font@info{Redeclaring font encoding #1}%
  \fi
  \global\@namedef{T@#1}{#2}%
  \global\@namedef{M@#1}{\default@M#3}%
  \xdef\LastDeclaredEncoding{#1}%
  }
  \let\UseRawInputEncoding\@undefined
  \let\DeclareFontEncoding@saved\@undefined
  \let\inputencodingname\@undefined
\EndIncludeInRelease
\endinput
%%
%% End of file `latexrelease.sty'.
