%%
%% This is file `dgruyter.sty',
%% generated with the docstrip utility.
%%
%% The original source files were:
%%
%% dgruyter.dtx  (with options: `package')
%% 
%% -----------------------------------------------------------------
%% Author:     le-tex publishing services
%% Maintainer: le-tex publishing services
%%
%% This file is part of the dgruyter package for preparing
%% books for Walter de Gruyter GmbH.
%%
%%       Copyright (C) 2015--2020 Walter de Gruyter GmbH
%%
%% -----------------------------------------------------------------
\NeedsTeXFormat{LaTeX2e}[2018/12/01]
\ProvidesPackage{dgruyter}
    [2020/05/05 v2.39 De Gruyter layout]
\ifx\directlua\undefined\else\ifnum\luatexversion>84\relax
  \IfFileExists{luatex85.sty}{\RequirePackage{luatex85}}{}
\fi\fi
\emergencystretch1em
\p@=1bp\relax
\def\@carsix#1#2#3#4#5#6\@nil{#1#2#3#4#5}
\def\@roundnum#1.#2.#3\to#4{%
  \edef\X{\@carsix#200000\@nil}%
  \@tempcntb=\expandafter\@car\X\@nil\relax
  \@tempcnta=\expandafter\@cdr\X\@nil\relax
  \ifnum\@tempcnta>5000\relax
    \advance\@tempcntb by\@ne
  \fi
  \@tempcnta=#1\relax
  \ifnum\@tempcntb=10\relax
    \advance\@tempcnta by\@ne
    \@tempcntb=\z@
  \fi
  \edef#4{\the\@tempcnta.\the\@tempcntb}}
\def\set@fontsize#1#2#3{%
    \@defaultunits\@tempdimb#2bp\relax\@nnil
    \@tempdimb\dimexpr\@tempdimb*7200/7227\relax
    \edef\f@size{\strip@pt\@tempdimb}%
    \expandafter\@roundnum\f@size..\to\f@size
    \@defaultunits\@tempskipa#3bp\relax\@nnil
    \edef\f@baselineskip{\the\@tempskipa}%
    \edef\f@linespread{#1}%
    \let\baselinestretch\f@linespread
      \def\size@update{%
        \baselineskip\f@baselineskip\relax
        \baselineskip\f@linespread\baselineskip
        \normalbaselineskip\baselineskip
        \setbox\strutbox\hbox{%
          \vrule\@height.7\baselineskip
                \@depth.3\baselineskip
                \@width\z@}%
        \let\size@update\relax}}
\frenchspacing
\clubpenalty\@M
\widowpenalty\@M
\expandafter\def\expandafter\center\expandafter{\expandafter\topsep\expandafter\baselineskip\center}
\expandafter\def\expandafter\flushleft\expandafter{\expandafter\topsep\expandafter\baselineskip\flushleft}
\expandafter\def\expandafter\flushright\expandafter{\expandafter\topsep\expandafter\baselineskip\flushright}
\let\orig@doendpe\@doendpe
\def\enumerate{%
  \ifnum \@enumdepth >\thr@@\@toodeep\else
    \advance\@enumdepth\@ne
    \edef\@enumctr{enum\romannumeral\the\@enumdepth}%
      \expandafter
      \list
        \csname label\@enumctr\endcsname
        {\topsep\z@
         \labelsep\z@
         \labelwidth\csname leftmargin\romannumeral\the\@listdepth\endcsname
         \usecounter\@enumctr\def\makelabel##1{\upshape##1\hss}}%
  \fi}
\def\endenumerate{%
  \ifnum\@listdepth=\@ne\advance\@topsepadd\baselineskip\fi
  \endlist
  \gdef\@doendpe{%
    \@endpetrue
    \everypar{{\setbox\z@\lastbox}\everypar{}\@endpefalse}%
    \global\let\@doendpe\orig@doendpe}}
\def\itemize{%
  \ifnum \@itemdepth >\thr@@\@toodeep\else
    \advance\@itemdepth\@ne
    \edef\@itemitem{labelitem\romannumeral\the\@itemdepth}%
    \expandafter
    \list
      \csname\@itemitem\endcsname
      {\topsep\z@
       \labelsep\z@
       \labelwidth\csname leftmargin\romannumeral\the\@listdepth\endcsname
       \def\makelabel##1{##1\hss}}%
  \fi}
\def\enditemize{%
  \ifnum\@listdepth=\@ne\advance\@topsepadd\baselineskip\fi
  \endlist
  \gdef\@doendpe{%
    \@endpetrue
    \everypar{{\setbox\z@\lastbox}\everypar{}\@endpefalse}%
    \global\let\@doendpe\orig@doendpe}}
\def\@seccntformat#1{%
  {\edef\noexpand\DeGruyter@figurealign{T}\fontfamily{\noexpand\sfdefault}\selectfont\addfontfeature{Numbers=Monospaced}%
   \csname the#1\endcsname}%
  \enskip}
\def\@starttoc#1{%
  \begingroup
    \parindent\z@
    \sffamily\mathversion{ss}%
    \makeatletter
    \@input{\jobname.#1}%
    \if@filesw
      \expandafter\newwrite\csname tf@#1\endcsname
      \immediate\openout \csname tf@#1\endcsname \jobname.#1\relax
    \fi
    \@nobreakfalse
  \endgroup}
\def\fussy{%
  \emergencystretch1em
  \tolerance 200%
  \hfuzz .1\p@
  \vfuzz\hfuzz}
\def\@dottedtocline#1#2#3#4#5{%
  \ifnum #1>\c@tocdepth \else
    \ifx\lastentry@author\@undefined
      \vskip#2\@plus.2\p@
    \fi
    {\parindent\z@
     \raggedright
     \@afterindenttrue
     \interlinepenalty\@M
     \leavevmode
     \ifnum#1=\m@ne\@tempdima12mm\relax
     \else
       \ifnum\c@tocdepth=\z@\@tempdima6mm\else\@tempdima12mm\fi
       \ifnum#1>\z@\advance\@tempdima6mm\fi
     \fi
     \leftskip\@tempdima\relax
     #3%overwriting style
     \null\nobreak\hskip -\leftskip
     {\ifnum#1<\@ne\mathversion{ssbold}\bfseries\fi#4}%
     \ifnum#1<\z@
     \else
       \nobreakspace{\small\dg@barone}\nobreak\space
       \textbf{#5}
     \fi%
     \par}%
    \ifnum#1<\z@\global\leftskip\z@\fi
    \let\lastentry@author\@undefined
  \fi}
\DeclareRobustCommand*\numberline[1]{%
  \hb@xt@\@tempdima{%
    {\edef\DeGruyter@figurealign{T}\fontfamily{\sfdefault}\selectfont\addfontfeature{Numbers=Monospaced}#1}\hfil}}
\DeclareRobustCommand*\partnumberline[1]{%
  \setbox\z@\hbox{\edef\DeGruyter@figurealign{T}\fontfamily{\sfdefault}\selectfont\addfontfeature{Numbers=Monospaced}#1}%
  \ifdim\wd\z@>\@tempdima\hskip\dimexpr\leftskip-\wd\z@\relax\global\leftskip\wd\z@\fi
  \unhbox\z@}
\def\cleardoublepage{\clearpage\if@twoside \ifodd\c@page\else
    \hbox{}\thispagestyle{empty}\newpage\if@twocolumn\hbox{}\newpage\fi\fi\fi}
\ifx\IncludeInRelease\@undefined
  \RequirePackage{fixltx2e}[2014/05/13]
\else
  \IncludeInRelease{2015/01/01}{\fixltx2e}{Nowadays obsolete fixes}
    \relax
  \EndIncludeInRelease
  \IncludeInRelease{0000/00/00}{\fixltx2e}{Nowadays obsolete fixes}
    \RequirePackage{fixltx2e}[2014/05/13]
  \EndIncludeInRelease
\fi
\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 < -996\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}%
\def\@DeclareMathSizes #1#2#3#4#5{%
  \@defaultunits\dimen@#2bp\relax\@nnil
  \dimen@\dimexpr\dimen@*7200/7227\relax
  \edef\@tempa{\strip@pt\dimen@}%
  \expandafter\@roundnum\@tempa..\to\@tempa
  \if $#3$%
    \expandafter\let\csname S@\strip@pt\dimen@\endcsname\math@fontsfalse
  \else
    \@defaultunits\dimen@ii#3bp\relax\@nnil
    \dimen@ii\dimexpr\dimen@ii*7200/7227\relax
    \edef\@tempb{\strip@pt\dimen@ii}%
    \expandafter\@roundnum\@tempb..\to\@tempb
    \@defaultunits\@tempdima #4bp\relax\@nnil
    \@tempdima\dimexpr\@tempdima*7200/7227\relax
    \edef\@tempc{\strip@pt\@tempdima}%
    \expandafter\@roundnum\@tempc..\to\@tempc
    \@defaultunits\@tempdimb #5bp\relax\@nnil
    \@tempdimb\dimexpr\@tempdimb*7200/7227\relax
    \edef\@tempd{\strip@pt\@tempdimb}%
    \expandafter\@roundnum\@tempd..\to\@tempd
    \toks@{#1}%
    \expandafter\xdef\csname S@\@tempa\endcsname{%
      \gdef\noexpand\tf@size{\@tempb}%
      \gdef\noexpand\sf@size{\@tempc}%
      \gdef\noexpand\ssf@size{\@tempd}%
      \the\toks@
    }%
  \fi}
\AtBeginDocument{\iflanguage{ngerman}{\def\and{ und }}{\def\and{ and }}}
\@ifclassloaded{article}
  {\relax}
  {\@ifclassloaded{book}
     {\relax}
     {\PackageWarningNoLine{dgruyter}
       {Neither document class 'article' nor 'book' in use.\MessageBreak
        See the package documentation}}}
\def\f@rmatError{%
  \PackageError{dgruyter}
    {You mustn't specify more than one format option}
    {Please provide at least one of "small", "medium", or "big"\MessageBreak
     as an optional argument to the \string\usepackage\space command.\MessageBreak
     You shouldn't try to proceed from here, type x to quit.}}
\DeclareOption{small}
  {\ifx\f@rmat\@undefined
     \let\f@rmat=s
   \else
     \f@rmatError
   \fi}
\DeclareOption{medium}
  {\@ifclassloaded{article}
    {\PackageError{dgruyter}
       {Format "medium" is not available for articles}
       {Please use one of "medium" or "big"\MessageBreak
        as an optional argument to the \string\usepackage\space command.\MessageBreak
        You shouldn't try to proceed from here, type x to quit.}}
    {\ifx\f@rmat\@undefined
       \let\f@rmat=m
     \else
       \f@rmatError
     \fi}}
\DeclareOption{big}
  {\ifx\f@rmat\@undefined
     \let\f@rmat=b
   \else
     \f@rmatError
   \fi}
\DeclareOption{margincol}{\global\let\@margincollayout\relax}
\DeclareOption{online}   {\let\m@de=o}
\DeclareOption{print}    {\let\m@de=p}
\DeclareOption{printona4}{\let\m@de=a}
\DeclareOption{work}     {\let\m@de=w}
\ExecuteOptions{online}
\ProcessOptions
\ifx\f@rmat\@undefined
  \PackageError{dgruyter}
    {You haven't specified a format option}
    {You need to specify a format as an optional\MessageBreak
     argument to the \string\usepackage\space command;\MessageBreak
     available format options are small, medium, or big.\MessageBreak
     You shouldn't try to proceed from here, type x to quit.}
\fi
\ifx\f@rmat s
  \paperwidth 155mm
  \paperheight230mm
\else
  \ifx\f@rmat m
    \paperwidth 170mm
    \paperheight240mm
  \else
    \paperwidth 210mm
    \paperheight280mm
  \fi
\fi
\@ifclassloaded{article}
  {\@twosidetrue}
  {\ifx\f@rmat b
     \let\@tempa\@undefined
     \@for\CurrentOption:=\@classoptionslist\do{%
       \ifx\CurrentOption\@empty\else
         \def\@tempa{onecolumn}%
         \ifx\CurrentOption\@tempa\let\@tempb\relax\fi
       \fi}
     \ifx\@tempb\relax\else\@twocolumntrue\fi
   \fi}
\renewcommand\normalsize{%
   \@setfontsize\normalsize{9.5}{13}%
   \abovedisplayskip9.5\p@\@plus2\p@\@minus5\p@
   \abovedisplayshortskip\z@\@plus3\p@
   \belowdisplayshortskip6\p@\@plus3\p@\@minus3\p@
   \belowdisplayskip\abovedisplayskip
   \let\@listi\@listI}
\@setfontsize\normalsize\@xpt{13}%
\AtBeginDocument{\normalsize \let\@normalsize\normalsize}
\renewcommand\small{%
   \@setfontsize\small{8}{11}%
   \abovedisplayskip8\p@\@plus3\p@\@minus3\p@
   \abovedisplayshortskip\z@\@plus2\p@
   \belowdisplayshortskip3\p@\@plus2\p@\@minus2\p@
   \belowdisplayskip\abovedisplayskip
   \def\@listi{\leftmargin\leftmargini}%
   \def\@listii{\leftmargin\leftmarginii}}
\renewcommand\footnotesize{%
   \@setfontsize\footnotesize{8}{11}%
   \abovedisplayskip8\p@\@plus3\p@\@minus3\p@
   \abovedisplayshortskip\z@\@plus2\p@
   \belowdisplayshortskip3\p@\@plus2\p@\@minus2\p@
   \belowdisplayskip\abovedisplayskip
   \def\@listi{\leftmargin\leftmargini\topsep\z@}%
   \def\@listii{\leftmargin\leftmarginii\topsep\z@}}
\renewcommand\scriptsize{\@setfontsize\scriptsize{7}{8}}
\renewcommand\tiny{\@setfontsize\tiny{5}{6}}
\renewcommand\large{\@setfontsize\large{12}{15}}
\renewcommand\Large{\@setfontsize\Large{15}{19.5}}
\renewcommand\LARGE{\@setfontsize\LARGE{17}{19.5}}
\renewcommand\huge{\@setfontsize\huge{22}{26}}
\renewcommand\Huge{\@setfontsize\Huge{24}{26}}
\DeclareMathSizes{9.5}{9.5}{\@viipt}{\@vpt}
\DeclareMathSizes{15}{15}{\@xpt}{\@viiipt}
\DeclareMathSizes{22}{22}{15}{13}
\DeclareMathSizes{24}{24}{\@xxpt}{\@xviipt}
\setlength\parindent{6mm}
\setlength\smallskipamount{3.25\p@\@plus1\p@\@minus1\p@}
\setlength\medskipamount{6.5\p@\@plus2\p@\@minus2\p@}
\setlength\bigskipamount{13\p@\@plus4\p@\@minus4\p@}
\def\showinmm#1{%
  \@tempdima=0.35146 #1\relax
  \edef\@tempa{\strip@pt\@tempdima\space mm}
  \show\@tempa}
\newdimen\gridwidth
\ifx\f@rmat s
  \gridwidth6mm
\else
  \ifx\f@rmat m
    \gridwidth6.5mm
  \else
    \if@twocolumn
      \gridwidth10.5mm
    \else
      \gridwidth9.25mm
    \fi
  \fi
\fi
\textwidth\dimexpr12\gridwidth+44mm\relax
\oddsidemargin18mm
\evensidemargin\dimexpr\paperwidth-\textwidth-\oddsidemargin\relax%21mm/30mm/37mm
\marginparwidth5mm
\marginparsep4mm
\ifx\@margincollayout\relax
  \RequirePackage[strict]{changepage}
  \long\def\@savemarbox#1#2{%adapted from latex.ltx!!
    \global\setbox#1%
    \color@vbox
    \vtop{%
      \hsize\marginparwidth
      \@parboxrestore
      \@marginparreset
      \sffamily\small
      \hskip\z@skip
      \checkoddpage
      \ifodd\cp@tempcnt\RaggedRight\else\RaggedLeft\fi
      #2%
      \@minipagefalse
      \outer@nobreak
    }%
    \color@endbox}
  \g@addto@macro\mainmatter{%
    \xdef\@margincolreset{%
      \textwidth\the\textwidth
      \columnwidth\textwidth
      \MFL@columnwidth\columnwidth%for manyfoot.sty
      \linewidth\textwidth
      \hsize\textwidth
      \evensidemargin\the\evensidemargin
      \marginparwidth\the\marginparwidth}%
    \advance\textwidth\dimexpr-2\gridwidth-8mm\relax
    \columnwidth\textwidth
    \MFL@columnwidth\columnwidth%for manyfoot.sty
    \linewidth\textwidth
    \hsize\textwidth
    \advance\evensidemargin\dimexpr2\gridwidth+8mm\relax
    \marginparwidth\dimexpr3\gridwidth+8mm\relax}
  \g@addto@macro\backmatter{%
    \@margincolreset}
\fi
\topskip9.5\p@
\ifx\f@rmat b\topmargin12mm\else\topmargin10mm\fi
\headheight3.5mm
\advance\topmargin-1mm
\ifx\f@rmat b\headsep23mm\else\headsep21mm\fi
\advance\headsep-\topmargin
\advance\headsep-\headheight
\ifx\f@rmat s
  \textheight\dimexpr39\baselineskip+\topskip\relax
\else
  \ifx\f@rmat m
    \textheight\dimexpr41\baselineskip+\topskip\relax
  \else
    \textheight\dimexpr50\baselineskip+\topskip\relax
  \fi
\fi
\advance\textheight3sp
\footskip7mm\relax
\setlength{\skip\footins}{2\baselineskip\@plus0\baselineskip\@minus0.5\baselineskip}
\footnotesep8\p@
\setlength\floatsep    {13\p@\@plus2\p@\@minus\z@}
\setlength\textfloatsep{19.5\p@\@plus2\p@\@minus\z@}
\setlength\intextsep   {19.5\p@\@plus2\p@\@minus\z@}
\setlength\dblfloatsep    {13\p@ \@plus 2\p@ \@minus 2\p@}
\setlength\dbltextfloatsep{19.5\p@ \@plus 2\p@ \@minus 4\p@}
\setlength\@fptop{0\p@}
\setlength\@dblfptop{0\p@}
\partopsep\z@
\parsep\z@
\itemsep\z@
\def\@listi  {\leftmargin\leftmargini
              \topsep11\p@\@plus\z@\@minus\z@}
\let\@listI\@listi
\@listi
\def\@listii {\leftmargin\leftmarginii
              \labelwidth\leftmarginii
              \advance\labelwidth-\labelsep
              \topsep\z@}
\def\@listiii{\leftmargin\leftmarginiii
              \labelwidth\leftmarginiii
              \advance\labelwidth-\labelsep
              \topsep\z@}
\def\@listiv {\leftmargin\leftmarginiv
              \labelwidth\leftmarginiv
              \advance\labelwidth-\labelsep}
\def\@listv  {\leftmargin\leftmarginv
              \labelwidth\leftmarginv
              \advance\labelwidth-\labelsep}
\def\@listvi {\leftmargin\leftmarginvi
              \labelwidth\leftmarginvi
              \advance\labelwidth-\labelsep}
\parskip\z@
\def\DOI#1{\gdef\@DOI{https://doi.org/#1}}
\let\@DOI\@empty
\newcommand*\contributioncopyright[4][]{%
  \gdef\@contributioncopyright{%
    \leavevmode
    \ifx\@openaccess\relax\lower1bp\hbox{\includegraphics[height=2.8mm]{Open_Access}}\nobreakspace Open Access.\fi
    \if!#2!\else\space\textcopyright\,#2\fi%
    \if!#3!\else\space#3\fi
    \if!#1!\else\space\lower1bp\hbox{\includegraphics[height=3.1mm,clip]{#1}}\fi%-> real 2.8mm
    \if!#4!\else\space#4\fi
    \hfill\break}}%
\let\@contributioncopyright\@empty
\newcommand*\reviewauthor[1]{%
  \let\@review\relax
  \author{{\noexpand\mdseries\reviewedbyname\space}#1}}
\@ifclassloaded{article}
  {\def\ps@plain{%
     \let\@mkboth\@gobbletwo
     \def\@oddhead{%
       \rlap{\vrule\@width\textwidth\@height-6\p@\@depth7.5\p@}%
       \sffamily\small
       \usebox\dg@wordmark
       \hfil
       \ifx\@pstring\@undefined\else\quad\@pstring\fi
       \ifx\@openaccess\relax\smash{\lower2.7mm\rlap{\kern5mm\includegraphics[height=4.5mm]{Open_Access}}}\fi}%
     \def\@evenhead{%
       \ifx\@openaccess\relax\smash{\lower2.7mm\llap{\includegraphics[height=4.5mm]{Open_Access}\kern5mm}}\fi
       \rlap{\vrule\@width\textwidth\@height-6\p@\@depth7.5\p@}%
       \sffamily\small
       \ifx\@pstring\@undefined\else\@pstring\quad\fi
       \global\let\@DOI\@empty
       \hfil
       \usebox\dg@wordmark}%
     \def\@oddfoot{%
       \ifx\@openaccess\relax\ifx\@contributioncopyright\@empty
          \PackageWarningNoLine{dgruyter}
            {Please provide copyright year and holder via \string\contributioncopyright}%
       \fi\fi
       \vtop{\sffamily\upshape\scriptsize\@contributioncopyright\hfil}%
       \global\let\@contributioncopyright\@empty}%
     \let\@evenfoot\@oddfoot}}
  {\def\ps@plain{%
     \let\@mkboth\@gobbletwo
     \let\@oddhead\@empty
     \let\@evenhead\@empty
     \def\@oddfoot{\vtop{\sffamily\upshape\scriptsize\@contributioncopyright\@DOI\hfil}%
       \global\let\@DOI\@empty
       \ifx\thesection\theplainsection
         \global\let\@contributioncopyright\@empty
       \fi}%
     \let\@evenfoot\@oddfoot}}
\@ifclassloaded{article}
  {\def\ps@headings{%
    \let\@oddfoot\@empty
    \let\@evenfoot\@empty
    \def\@oddhead{%
      \small\sffamily\mathversion{ss}\upshape
      \usebox\dg@wordmark
      \hfil
      \rightmark
      \quad\dg@bartwo\quad
      \bfseries\normalsize\thepage}
    \def\@evenhead{%
      \small\sffamily\mathversion{ss}\upshape
      {\bfseries\normalsize\thepage}%
      \quad\dg@bartwo\quad
      \leftmark
      \hfil
      \usebox\dg@wordmark}%
    \let\@mkboth\markboth
    \let\sectionmark\@gobble
    \let\subsectionmark\@gobble}}
  {\def\ps@headings{%
    \let\@oddfoot\@empty
    \let\@evenfoot\@empty
    \def\@oddhead{%
      \hfil
      \small\sffamily\mathversion{ss}\upshape
      \rightmark
      \quad\dg@bartwo\quad
      \bfseries\normalsize\thepage}
    \def\@evenhead{%
      \small\sffamily\mathversion{ss}\upshape
      {\bfseries\normalsize\thepage}%
      \quad\dg@bartwo\quad
      \leftmark
      \hfil}%
    \let\@mkboth\markboth
    \def\chaptermark##1{%
      \markboth{\ifx\thesection\theinchapsection
                  \ifnum\c@secnumdepth>\m@ne\if@mainmatter\thechapter\enskip\fi\fi\fi##1}
               {\ifx\thesection\theinchapsection
                  \ifnum\c@secnumdepth>\m@ne\if@mainmatter\thechapter\enskip\fi\fi\fi##1}}%
    \def\sectionmark##1{%
      \ifx\thesection\theinchapsection
        \markright{\ifnum\c@secnumdepth>\z@\thesection\enskip\fi##1}%
      \fi}}}
\pagestyle{headings}
\def\@authorwarning{\@latex@warning@no@line{No \noexpand\author given}}
\def\publisherlogo#1{\gdef\@publisherlogo{#1}}
\bgroup
  \def\input@path{{logos/}}
  \IfFileExists{dg-degruyter.eps}
    {\gdef\@publisherlogo{dg-degruyter}}
    {\IfFileExists{dg-degruyter.pdf}
      {\gdef\@publisherlogo{dg-degruyter}}
      {\gdef\@publisherlogo{warn}}}
\egroup
{\global\let\Hyphen-\catcode`\-=\active\let-\@empty
 \@ifclassloaded{article}
   {}
   {\gdef\eisbnpdf{\bgroup\catcode`\-=\active\let-\@empty\xeisbnpdf}%
    \gdef\xeisbnpdf#1{%
      \xdef\bookDOI{10.1515/#1}\egroup
      \write\@auxout{\string\gdef\string\bookDOI{\bookDOI}}%
      \let-\Hyphen\xdef\@eisbnpdf{#1}}}}
\@ifclassloaded{article}
  {}
  {\def\transtitle#1{\def\@transtitle{#1}}%Maria.Dassing@degruyter.com
   \def\distributionseries#1{\def\@distributionseries{#1}}
   \let\@distributionseries\@empty
   \def\seriestitle#1{\gdef\@seriestitle{#1}}
   \def\transseriestitle#1{\def\@transseriestitle{#1}}%Maria.Dassing@degruyter.com
   \def\seriessubtitle#1{\gdef\@seriessubtitle{#1}}
   \def\seriesvolume#1{\gdef\@seriesvolume{#1}}
   \def\subtitle#1{\gdef\@subtitle{#1}}
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    \global\let\@doendpe\orig@doendpe}}
\thm@notefont{\normalfont}
\newtheoremstyle{dgthm}
  {.5\baselineskip}
  {.5\baselineskip}
  {\itshape}
  {}
  {\sffamily\mathversion{ss}\bfseries}
  {\ifx\thmnote\@gobble.\else\normalfont.\fi}
  {.5em}
  {}
\newtheoremstyle{dgdef}
  {.5\baselineskip}
  {.5\baselineskip}
  {\normalfont}
  {}
  {\sffamily\mathversion{ss}\bfseries}
  {\ifx\thmnote\@gobble.\else\normalfont.\fi}
  {.5em}
  {}
\RequirePackage{graphicx}
\graphicspath{{logos/}}
\RequirePackage{array}
\RequirePackage{multirow}
\RequirePackage{tabularx}[2014/05/13]
\def\TX@endtabularx{%
   \expandafter\expandafter\expandafter
     \TX@find@endtabularxa\csname end\TX@\endcsname
     \endtabularx\TX@\endtabularx\TX@find@endtabularxa
  \expandafter\TX@newcol\expandafter{\tabularxcolumn{\TX@col@width}}%
  \let\verb\TX@verb
  \def\@elt##1{\value{##1}\the\value{##1}\relax}%
  \edef\TX@ckpt{\cl@@ckpt}%
  \let\@elt\relax
  \TX@old@table\maxdimen
  \TX@col@width\TX@target
  \global\TX@cols\@ne
  \TX@typeout@
    {\@spaces Table Width\@spaces Column Width\@spaces X Columns}%
  \TX@trial{\def\NC@rewrite@X{%
          \global\advance\TX@cols\@ne\NC@find p{\TX@col@width}}}%
  \loop
    \TX@arith
    \ifTX@
    \TX@trial{}%
  \repeat
  {\let\@footnotetext\TX@ftntext\let\@xfootnotenext\TX@xftntext
    \csname tabular*\expandafter\endcsname\expandafter\TX@target
      \the\toks@
    \csname endtabular*\endcsname}%
  \global\TX@ftn\expandafter{\expandafter}\the\TX@ftn
  \ifnum0=`{\fi}%
   \expandafter\expandafter\expandafter
   \TX@find@endtabularxbb
    \expandafter\end\expandafter{\TX@}%
    \endtabularx\TX@\endtabularx\TX@find@endtabularxb}
\RequirePackage{bigstrut}
\RequirePackage{supertabular}
\let\bareST@newpage\ST@newpage
\expandafter\def\expandafter\ST@newpage\expandafter{%
  \ST@newpage\noalign{\gdef\@tablefont{\tablefont}}}
\expandafter\def\expandafter\endsupertabular\expandafter{%Claudia.Braeuer@degruyter.com
  \endsupertabular\par\vskip\baselineskip}
\expandafter\let\csname endsupertabular*\endcsname\endsupertabular
\RequirePackage{booktabs}
\newcolumntype{e}{!{\extracolsep{\fill}}}
\let\@barearray\@array
\let\@baretabular\@tabular
\let\@bareclassz\@classz
\let\@@barearray\@@array
\let\endbaretabular\endtabular
\expandafter\let\csname endbaretabular*\endcsname=\endtabular
\let\baretablehead\tablehead
\let\baretablefirsthead\tablefirsthead
\let\baretabletail\tabletail
\let\baretablelasttail\tablelasttail
\def\baretabulars{%
  \let\@array\@barearray
  \let\@tabular\@baretabular
  \def\@classz{%
    \expandafter\ifx\d@llarbegin\begingroup
      \toks \count@ =
      \expandafter{\the\toks\count@}%
    \fi
    \@bareclassz}%
  \let\@@array\@@barearray
  \let\endtabular\endbaretabular
  \expandafter\let\csname endtabular*\endcsname=\endtabular
  \let\tablehead\baretablehead
  \let\tablefirsthead\baretablefirsthead
  \let\tabletail\baretabletail
  \let\tablelasttail\baretablelasttail
  \let\ST@newpage\bareST@newpage}
\def\@array[#1]#2{%
  \@tempdima \ht \strutbox
  \advance \@tempdima by\extrarowheight
  \setbox \@arstrutbox \hbox{\vrule
             \@height \arraystretch \@tempdima
             \@depth \arraystretch \dp \strutbox
             \@width \z@}%
  \begingroup
  \@mkpream{#2}%
  \xdef\@preamble{\noexpand \ialign \@halignto
                  \bgroup
                    \expandafter\ifx\d@llarbegin\begingroup\hskip-\col@sep\fi
                    \@arstrut \@preamble
                    \expandafter\ifx\d@llarbegin\begingroup\hskip-\col@sep\fi
                          \tabskip \z@ \cr}%
  \endgroup
  \@arrayleft
  \if #1t\vtop \else \if#1b\vbox \else \vcenter \fi \fi
  \bgroup
  \let \@sharp ##\let \protect \relax
  \lineskip \z@
  \baselineskip \z@
  \m@th
  \leftmargini4mm\relax
  \leftmarginii\leftmargini
  \leftmarginiii\leftmargini
  \ifx\d@llarbegin\begingroup\@minipagetrue\let\@minipagefalse\relax\fi%no \addvspace before lists, ¡oye!
  \let\\\@arraycr \let\tabularnewline\\\let\par\@empty \@preamble}
\let\@@array\@array
\def\@tabular{%
  \leavevmode
  \hbox \bgroup\tablefont $\col@sep\tabcolsep \let\d@llarbegin\begingroup%$
                                    \let\d@llarend\endgroup
  \ifx\ST@tableformat\@undefined\gdef\@tablefont{\tablefont\tableheadfont}\fi
  \@tabarray}
\let\@classzold\@classz
\def\@classz{%
   \expandafter\ifx\d@llarbegin\begingroup
     \toks \count@ =
     \expandafter{\expandafter\@tablefont\the\toks\count@}%
   \fi
   \@classzold}
\let\orig@@array\@@array
\def\@@array[#1]#2{%
  \orig@@array[#1]{#2}%
  \expandafter\ifx\d@llarbegin\begingroup
    \ifx\ST@tableformat\@undefined\toprule\fi
  \fi}
\def\endtabular{%
  \bottomrule
  \endarray
  \@minipagefalse%¡oye!
  $\egroup}%$
\expandafter\let\csname endtabular*\endcsname=\endtabular
\def\tablehead#1{%
  \gdef\@tablehead{%
    \toprule
    \noalign{%
      \global\let\@savcr=\\
      \global\let\\=\org@tabularcr}%
    \if!#1!
      \noalign{\gdef\@tablefont{\tablefont\tablefont}}%
    \else
      \noalign{\gdef\@tablefont{\tableheadfont\tablefont}}%
      #1\midrule
    \fi
    \noalign{\global\let\\=\@savcr}}}
\def\tablefirsthead#1{%
  \gdef\@table@first@head{\toprule
    \if!#1!
      \noalign{\gdef\@tablefont{\tablefont\tablefont}}%
    \else
      \noalign{\gdef\@tablefont{\tablefont\tableheadfont}}#1\midrule
    \fi}}
\def\tabletail#1{%
  \gdef\@tabletail{%
    \if!#1!\else\tailrule\fi
    \noalign{%
      \global\let\@savcr=\\
      \global\let\\=\org@tabularcr}%
    #1%
    \noalign{\global\let\\=\@savcr}}}
\def\tablelasttail#1{%
  \gdef\@table@last@tail{\if!#1!\else\tailrule\fi#1}}
\let\@layarray\@array
\let\@laytabular\@tabular
\let\@layclassz\@classz
\let\@@layarray\@@array
\let\endlaytabular\endtabular
\expandafter\let\csname endlaytabular*\endcsname=\endtabular
\let\laytablehead\tablehead
\let\laytablefirsthead\tablefirsthead
\let\laytabletail\tabletail
\let\laytablelasttail\tablelasttail
\let\layST@newpage\ST@newpage
\def\layouttabulars{%
  \let\@array\@layarray
  \let\@tabular\@laytabular
  \let\@classz\@layclassz
  \let\@@array\@@layarray
  \let\endtabular\endlaytabular
  \expandafter\let\csname endtabular*\endcsname=\endlaytabular
  \let\tablehead\laytablehead
  \let\tablefirsthead\laytablefirsthead
  \let\tabletail\laytabletail
  \let\tablelasttail\laytablelasttail
  \let\ST@newpage\layST@newpage}
\def\midrule{\noalign{\ifnum0=`}\fi
  \@aboverulesep=\aboverulesep
  \global\@belowrulesep=\belowrulesep
  \global\@thisruleclass=\@ne
  \gdef\@tablefont{\tablefont}%
  \@ifnextchar[{\@BTrule}{\@BTrule[\heavyrulewidth]}}%
\def\tailrule{\noalign{\ifnum0=`}\fi
  \@aboverulesep=\aboverulesep
  \global\@belowrulesep=\belowrulesep
  \global\@thisruleclass=\@ne
  \gdef\@tablefont{\tableheadfont}%
  \@ifnextchar[{\@BTrule}{\@BTrule[\lightrulewidth]}}%
\def\starttabularbody{\noalign{\gdef\@tablefont{\tablefont}}}
\heavyrulewidth=1\p@
\lightrulewidth=0.28\p@
\belowrulesep=2\p@
\aboverulesep=2\p@
\newcommand*\tablefont{%
  \edef\DeGruyter@figurealign{T}\fontfamily{\sfdefault}\mathversion{ss}\addfontfeature{Numbers=Monospaced}\small}
\newcommand*\tableheadfont{%
  \small\sffamily\addfontfeature{Numbers=Monospaced}\bfseries\mathversion{ssbold}}
\tabcolsep0.5\columnsep
\AtBeginDocument{%
  \@ifpackageloaded{longtable}
   {\let\barelongtable\longtable
    \let\bareendfirsthead\endfirsthead
    \let\bareendhead\endhead
    \g@addto@macro\baretabulars
     {\LTleft=\fill
      \LTright=\fill
      \let\longtable\barelongtable
      \let\endfirsthead\bareendfirsthead
      \let\endhead\bareendhead}%
    \def\laylongtable{%
      \gdef\@tablefont{\tablefont\tableheadfont}\tablefont
      \barelongtable}%
    \def\layendfirsthead{\midrule\bareendfirsthead}
    \def\layendhead{\midrule\bareendhead}
    \def\@tempa
     {\LTleft=-\tabcolsep
      \LTright=-\tabcolsep
      \let\longtable\laylongtable
      \let\endfirsthead\layendfirsthead
      \let\endhead\layendhead}%
    \@tempa
    \expandafter\g@addto@macro\expandafter\layouttabulars\expandafter{\@tempa}}
   {}}
\RequirePackage{multicol}
\RequirePackage[singlelinecheck=false,listof,tableposition=top]{caption}
\def\plist@figure{\figurename\space}
\def\plist@table{\tablename\space}
\def\caption@@addcontentsline#1#2{%
  {\let\\\space
   \@ifundefined{ext@#1}%
     {\caption@Error{No float type '#1' defined}}%
     {\caption@@@addcontentsline
       {\csname ext@#1\endcsname}%
       {#1}%
       {\caption@lstfmt{\expandafter\ifx\csname plist@#1\endcsname\relax\@nameuse{p@#1}\else\@nameuse{plist@#1}\fi}{\@nameuse{the#1}}}%
       {\ignorespaces #2}}}}
\DeclareCaptionFont{mathversionSS}{\mathversion{ss}#1}
\captionsetup{labelsep=colon,font={small,sf},labelfont=bf,textfont=mathversionSS,%
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\RequirePackage[rightcaption,ragged]{sidecap}
\def\sidecaptionrelwidth{20}
\edef\sidecaptionsep{\the\columnsep}
\RequirePackage[figuresright]{rotating}
\setlength\rotFPtop{0\p@ \@plus 1fil}
\AtBeginDocument{%
  \@ifpackageloaded{float}
  {\renewcommand*{\listof}[2]{%
    \@ifundefined{ext@#1}{\float@error{#1}}{%
      \@namedef{l@#1}{\@dottedtocline{1}{\z@}{}}%
      \if@twocolumn
        \@restonecoltrue\onecolumn
      \else
        \@restonecolfalse
      \fi
      \chapter*{#2}%
      \begingroup
        \small%Maria.Dassing@degruyter.com
        \setlength{\parskip}{\z@}%
        \@starttoc{\@nameuse{ext@#1}}%
      \endgroup
      \if@restonecol\twocolumn\fi}}}{}}
\AtBeginDocument{%
  \@ifpackageloaded{lstmisc}
  {\lstset{basicstyle=\ttfamily,%
           columns=fullflexible}%
   \@ifpackagelater{lstmisc}{2018/09/02}
   {\lst@Key{numbers}{none}{%
    \let\lst@PlaceNumber\@empty
    \lstKV@SwitchCases{#1}%
    {none:\\%
     left:\def\lst@PlaceNumber{{\normalfont\lst@numberstyle
            \hb@xt@\dimexpr1em+\lst@numbersep{\thelstnumber\hss}}}\\%
     right:\def\lst@PlaceNumber{\rlap{\normalfont
                \kern\linewidth \kern\lst@numbersep
                \lst@numberstyle{\thelstnumber}}}%
    }{\PackageError{Listings}{Numbers #1 unknown}\@ehc}}}
   {\lst@Key{numbers}{none}{%
    \let\lst@PlaceNumber\@empty
    \lstKV@SwitchCases{#1}%
    {none&\\%
     left&\def\lst@PlaceNumber{{\normalfont\lst@numberstyle
            \hb@xt@\dimexpr1em+\lst@numbersep{\thelstnumber\hss}}}\\%
     right&\def\lst@PlaceNumber{\rlap{\normalfont
                \kern\linewidth \kern\lst@numbersep
                \lst@numberstyle{\thelstnumber}}}%
    }{\PackageError{Listings}{Numbers #1 unknown}\@ehc}}}%
    \def\l@lstlisting{\@dottedtocline{1}{\z@}{}}}
  {}}
\AtBeginDocument{%
  \let\oldthebibliography\thebibliography
  \expandafter\def\expandafter\thebibliography
    \expandafter#\expandafter1\expandafter{%
      \oldthebibliography{#1}\clubpenalty\@M\widowpenalty\@M}
  \@ifpackageloaded{natbib}
   {\setlength\bibhang\bibindent
    \def\bibfont{\sffamily\mathversion{ss}\small\RaggedRight}
    \def\bibnumfmt#1{[\edef\DeGruyter@figurealign{T}\fontfamily{\sfdefault}\selectfont#1]\hfill}
    \let\oldthebibliography\thebibliography
    \expandafter\def\expandafter\thebibliography
      \expandafter#\expandafter1\expandafter{%
        \oldthebibliography{#1}\let\newblock\relax}
    \@ifundefined{chapter}
     {\renewcommand\bibsection{\section*{\refname}}}
     {\@ifundefined{NAT@sectionbib}
        {\renewcommand\bibsection{\refstepcounter{chapter}\chapter*{\bibname}}}
        {\renewcommand\bibsection{%
           \section*{\refname}%
           \ifx\@mkboth\@gobbletwo\else\ifx\thesection\theinchapsection\markright{\refname}\fi\fi}}}
    \bibsep\z@\@plus1sp\relax}
   {\@ifpackageloaded{biblatex}
     {\setlength\bibhang\bibindent
      \def\bibfont{\sffamily\mathversion{ss}\small\RaggedRight}%
      \defbibenvironment{bibnumeric}%
        {\list
         {\printtext[labelnumberwidth]{%
             \printfield{prefixnumber}%
             \printfield{labelnumber}}}%
         {\setlength{\labelwidth}{\labelnumberwidth}%
           \setlength{\leftmargin}{\labelwidth}%
           \setlength{\labelsep}{\biblabelsep}%
           \addtolength{\leftmargin}{\labelsep}%
           \setlength{\itemsep}{\bibitemsep}%
           \setlength{\parsep}{\bibparsep}}%
         \renewcommand*{\makelabel}[1]{\edef\DeGruyter@figurealign{T}\fontfamily{\sfdefault}\selectfont\RaggedRight##1}}%
       {\endlist}%
       {\item}}
     {\def\dirty@bib@hook{\def\@mkboth####1####2{\sffamily\mathversion{ss}\small\RaggedRight}}%remove these five lines if thebibliography makes trouble
      \let\oldthebibliography\thebibliography
      \expandafter\expandafter\expandafter\def\expandafter\expandafter\expandafter\thebibliography
        \expandafter\expandafter\expandafter#\expandafter\expandafter\expandafter1%
        \expandafter\expandafter\expandafter{\expandafter\dirty@bib@hook\oldthebibliography{#1}}}}}
\RequirePackage{makeidx}\makeindex
\AtEndOfPackage{%
\RequirePackage[switch,pagewise,modulo]{lineno}
\nolinenumbers
\linenumbersep0.5\marginparsep
\def\makeLineNumberRight{%
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\switchlinenumbers
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    \ifx\f@rmat b
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      \@tempdima20mm\relax
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    \@tempdimb\dimexpr\@tempdima+\paperwidth\relax
    \@tempdima\dimexpr\@tempdima*7200/7227\relax\edef\l@offset{\strip@pt\@tempdima}
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    \ifx\f@rmat b
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      \@tempdimb\dimexpr\paperheight\relax
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      \@tempdima\dimexpr842bp-20mm-\paperheight\relax
      \@tempdimb\dimexpr\@tempdima+\paperheight\relax
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    \@tempdima\dimexpr\@tempdima*7200/7227\relax\edef\u@offset{\strip@pt\@tempdima}
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          {%
          \special{!userdict begin
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      \let\@processPdfBoxSpec\@empty
      \newcommand\@setPdfBox[2]{%
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          \@processPdfBoxSpec
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    \advance\voffset-1in
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\else\ifx\m@de p\else
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  \ifx\m@de a
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      \global\advance\CROP@index\@ne
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        \advance\dimen@\CROP@overlap
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    \crop[cam]%
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    \@tempdima\dimexpr\textheight-\topskip\relax
    \divide\@tempdima by\baselineskip
    \multiply\@tempdima by65536\relax
    \edef\cnt@baselines{\strip@pt\@tempdima}%
    \def\rls{%
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        \vrule\@width1.2em\@height0.2\p@\@depth0.02\p@
        \llap{\smash{\vrule\@width0.165\marginparsep\@height6.6\p@\@depth-6.5\p@}}%
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\fi\fi
\RequirePackage[hyphens]{url}
\urlstyle{same}
\RequirePackage[%
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  ,linktocpage
  \ifx\m@de w ,bookmarks=false\fi,bookmarksnumbered
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  \ifx\m@de p, draft\else\ifx\m@de a, draft\fi\fi]{hyperref}
\ifHy@draft\AtBeginDocument{\let\hyper@anchorstart\@gobble}\fi%fix hyperref-Bug
\let\toclevel@spart\toclevel@part
\let\toclevel@schapter\toclevel@chapter
\let\toclevel@contribution\toclevel@chapter
\let\toclevel@author\toclevel@chapter
\ifx\XeTeXcharclass\@undefined\ifnum\pdfoutput=\z@
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    \catcode`\&=12\relax
    \hyper@normalise\burl@addtocharlistafter{=}
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  \burl@defifstructure
  \ifx\m@de p%
    \let\burl\nolinkurl
    \def\burlalt#1#2{\nolinkurl{#2}}%
  \else
    \ifx\m@de a%
      \let\burl\nolinkurl
      \def\burlalt#1#2{\nolinkurl{#2}}%
    \fi
  \fi
\fi\fi
\RequirePackage{doi}%
\def\@doi#1{%
  \let\#\relax
  \let\_\relax
  \let\textless\relax
  \let\textgreater\relax
  \edef\x{\toks0={{#1}}}%
  \x
  \edef\#{\@percentchar23}%
  \edef\_{_}%
  \edef\textless{\@percentchar3C}% instead of {\string<} for Apple
  \edef\textgreater{\@percentchar3E}% instead of {\sting>} for Apple
  \edef\x{\toks1={\noexpand\href{https://doi.org/#1}}}%
  \x
  \edef\x{\endgroup\doitext\the\toks1 \the\toks0}%
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      \pdfinfo{/Creator (TeX -- with \csname ver@dgruyter.sty\endcsname)}
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    \AtBeginDocument{\@pdfm@mark{docinfo<</Creator(LaTeX -- with \csname ver@dgruyter.sty\endcsname)>>}}
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\else
  \expandafter\def\expandafter\@pdfcreator\expandafter{\@pdfcreator\space -- with \csname ver@dgruyter.sty\endcsname}
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\def\@afterbox{%
  \everypar{%
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      \@nobreakfalse
      \clubpenalty \@M
      \if@afterindent \else
        {\setbox\z@\lastbox}%
        \everypar{}%2015-04-09
      \fi
    \else
      \clubpenalty \@clubpenalty
      {\setbox\z@\lastbox}%
      \everypar{}%
    \fi}}
\newenvironment{note}[1][]
 {\par
  \dimen@\prevdepth
  \vskip\dimexpr1\baselineskip+\topskip-4\p@\relax
  \hrule\@height\z@ \nobreak
  \vskip\dimexpr-1\baselineskip-\topskip+4\p@\relax
  \prevdepth\dimen@
  \noindent\vrule\@width\linewidth\@height\p@\par\nobreak
  \nointerlineskip
  \noindent
  \vrule\@width\z@\@height\baselineskip\@depth\z@
  \if!#1!\else
    \marginparsep2mm\relax
    \marginparwidth5mm\relax
    \marginpar{\leavevmode\smash{\lower7\p@\hbox{\includegraphics[height=13pt,clip]{#1}}}}%
  \fi
  \sffamily\mathversion{ss}\small
  \ignorespaces}
 {\ifhmode\par\ifdim\lastskip=\belowdisplayskip\vskip-\lastskip\fi\else\vskip-\lastskip\fi
  \nobreak
  \vskip\dimexpr-\baselineskip+8.5\p@\relax
  \normalsize
  \noindent\vrule\@width\linewidth\@height\p@\par
  \nointerlineskip
  \vskip\baselineskip
  \aftergroup\@afterbox}
\RequirePackage[para*,ruled]{manyfoot}
\def\MFL@fnotepara#1#2#3{\let\@thefnmark\@empty
  \NCC@makefnmark{#2}%
  \MFL@insert#1{\reset@font\footnotesize
    \ifx\@thefnmark\@empty \@tempswafalse \else
      \@tempswatrue
      \protected@edef\@currentlabel{\@thefnmark}%
    \fi
    \color@begingroup
      \if@tempswa
        \setbox\@tempboxa\hbox{\textbf{\@thefnmark}\enskip}%
        \ifMFL@paraindent
          \@tempdima.8em \advance\@tempdima-\wd\@tempboxa
          \ifdim \@tempdima<\z@ \@tempdima\z@ \fi
        \else
          \@tempdima\z@
        \fi
      \fi
      \setbox\@tempboxa\hbox{%
        \if@tempswa
          \hskip\@tempdima\unhbox\@tempboxa\nobreak
        \fi
        \ignorespaces#3\unskip\strut
        \ifMFL@split \penalty\m@ne\space \else
          \penalty-10 \hskip\footglue
        \fi
      }%
      \dp\@tempboxa\z@ \ht\@tempboxa\MFL@fudgefactor\wd\@tempboxa
      \box\@tempboxa
    \color@endgroup}}
\AtBeginDocument{%
  \@ifpackageloaded{reledmac}
    {\linenummargin{inner}%
     \linenumsep2mm
     \sidenotemargin{outer}%
     \ledlsnotesep2mm
     \ledrsnotesep2mm
     \def\ledlsnotefontsetup{\raggedleft\sffamily\footnotesize}%
     \def\ledrsnotefontsetup{\raggedright\sffamily\footnotesize}%
     \ledlsnotewidth\dimexpr\evensidemargin-\ledlsnotesep-6mm\relax
     \ledrsnotewidth\dimexpr\evensidemargin-\ledrsnotesep-6mm\relax
     \Xnotenumfont{\bfseries}%
     \Xnonbreakableafternumber}%
    {\DeclareNewFootnote[para]{A}}}
\def\recital#1{%
  \leavevmode
  \marginpar{%
    \ifodd\c@page\raggedright\else\raggedleft\fi
    \sffamily\bfseries\small#1}}
\let\old@author\author
\let\old@@author\@author
\RequirePackage[noblocks]{authblk}
\let\AB@runningauthors\@empty
\def\AB@protect{\noexpand\AB@protect\noexpand}
\renewcommand\author[2][]{%
  \ifnewaffil
    \addtocounter{affil}{1}%
    \edef\AB@thenote{\arabic{affil}}%
  \fi
  \@tempcnta\z@
  \@for\@tempa:=#1\do{%
    \advance\@tempcnta\@ne
    \expandafter\edef\csname @tempa\the\@tempcnta\endcsname{\@tempa}}%
  \ifnum\@tempcnta=\z@
    \@tempcnta\@ne
    \expandafter\edef\csname @tempa\the\@tempcnta\endcsname{\AB@thenote}%
  \else
    \setcounter{Maxaffil}{0}%
  \fi
  \@tempcntb\z@
  \loop
    \ifnum\@tempcntb<\@tempcnta
    \advance\@tempcntb\@ne
    \edef\AB@note{\csname @tempa\the\@tempcntb\endcsname}%
    \expandafter\expandafter\expandafter\ifx\csname AB@affil\AB@note label\endcsname\relax
      \ifx\corresp@author\@undefined
        \@temptokena={}%
      \else
        \@temptokena={*\CorrAuth:\space}%
      \fi
    \else
      \@temptokena=\expandafter\expandafter\expandafter
        {\csname AB@affil\AB@note label\endcsname, }%
    \fi
    \expandafter\xdef\csname AB@affil\AB@note label\endcsname{\the\@temptokena#2}%
  \repeat
  \ifnum\value{authors}>\@ne
    \@namedef{@sep\number\c@authors}{\Authsep}%
  \fi
  \refstepcounter{authors}%
  \begingroup
    \let\protect\@unexpandable@protect
    \let\and\AB@pand
    \def\thanks{\protect\thanks}%
    \def\footnote{\protect\footnote}%
    \@temptokena=\expandafter{\AB@authors}%
    {\def\\{\protect\\[\@affilsep]\protect\Affilfont\protect\AB@resetsep}%
     \xdef\AB@author{\AB@blk@and#2}%
     \ifnewaffil
       \gdef\AB@las{}%
       \gdef\AB@lasx{\protect\Authand}%
       \gdef\AB@as{}%
       \xdef\AB@authors{\the\@temptokena\AB@blk@and}%
     \else
       \xdef\AB@authors{\the\@temptokena\AB@as\AB@au@str}%
       \global\let\AB@las\AB@lasx\gdef\AB@lasx{\protect\Authands}%
       \gdef\AB@as{\Authsep}%
     \fi
     \gdef\AB@au@str{#2}}%
    \@temptokena=\expandafter{\AB@authlist}%
    \let\\=\authorcr
    \xdef\AB@authlist{\the\@temptokena
      \protect\@nameuse{@sep\number\c@authors}%
      \protect\Authfont#2\ifx\corresp@author\relax*\fi}%
    \@temptokena=\expandafter{\AB@runningauthors}%
    \xdef\AB@runningauthors{\the\@temptokena
      \AB@protect\@nameuse{@sep\number\c@authors}%
      #2}%
  \endgroup
  \ifnum\value{authors}>\tw@
    \@namedef{@sep\number\c@authors}{\Authands}%
  \fi
  \newaffilfalse}
\iflanguage{ngerman}{\def\Authand{ und }\def\Authands{ und~}}{\def\Authands{, and~}}
\iflanguage{ngerman}{\def\CorrAuth{Korrespondenzautor}}{\def\CorrAuth{Corresponding author}}
\def\AB@affilnote#1{{\bfseries\csname AB@affil#1label\endcsname,}\space}
\let\Authfont\large
\def\Affilfont{\sffamily\small}
\let\blkauth@r\author
\def\author{%
  \@ifstar
   {\let\corresp@author\relax\blkauth@r}
   {\let\corresp@author\@undefined\blkauth@r}}%
\@ifclassloaded{article}
  {}
  {\let\contributionauthor\author
   \let\@contributionauthor\@author
   \let\author\old@author
   \let\@author\old@@author}
\newfootnote{note}
\setlength{\skip\footinsnote}{0.5\baselineskip\@plus\z@\@minus\z@}
\newfootnote{author}
\setlength{\skip\footinsauthor}{1\baselineskip\@plus\z@\@minus0.5\baselineskip}
\def\runningtitle#1{%
  \gdef\@runningtitle{#1}%
  \ifx\f@rmat b\relax
    \protected@edef\@tempa{\ifx\@runningauthor\@undefined\else\@runningauthor,\space\fi}%
    \markboth{\@tempa#1}{\@tempa#1}%
  \else
    \markright{#1}%
  \fi}
\def\runningauthor#1{%
  \gdef\@runningauthor{#1}
  \ifx\f@rmat b\relax
    \protected@edef\@tempa{\ifx\@runningtitle\@undefined\else,\space\@runningtitle\fi}%
    \markboth{#1\@tempa}{#1\@tempa}%
  \else
    \markleft{#1}%
  \fi}
\def\generaltitledef#1{%
  \gdef\p@pertitle{#1}%
  \bgroup
    \let\footnote\@gobble
    \let\footnotetext\@gobble
    \let\articlenote\@gobble
    \let\contributionnote\@gobble
    \NR@gettitle{#1}%
    \ifx\@runningtitle\@undefined
      \ifx\f@rmat b\relax
        \protected@edef\@tempa{\ifx\@runningauthor\@undefined\else\@runningauthor,\space\fi}%
        \markboth{\@tempa#1}{\@tempa#1}%
        \protected@xdef\@runningtitle{#1}%
      \else
        \markright{#1}%
      \fi
    \fi
  \egroup}
\@ifclassloaded{article}
  {\def\journalname#1{\gdef\@journalname{#1}}
   \def\journalyear#1{\gdef\@journalyear{#1}}
     \gdef\@journalyear{\the\year}
   \def\journalvolume#1{\gdef\@journalvolume{#1}}
   \def\journalissue#1{\gdef\@journalissue{#1}}
   \def\startpage#1{\setcounter{page}{#1}}
   \def\aop{\global\let\@aop\relax}
   \DeclareRobustCommand*\articlenote[1]{%
     \vskip19.5\p@{\noindent\sffamily\small\dg@bartwo\dg@bartwo\\*[-2\p@]\noindent#1\par}}
   \RequirePackage{lastpage}
   \def\articletype#1{\gdef\@articletype{#1}}
   \def\articlesubtype#1{\gdef\@articlesubtype{#1}}
   \def\title#1{%
     \gdef\@title{#1}%
     \generaltitledef{#1}}
   \def\subtitle#1{\gdef\p@persubtitle{#1}}}
  {\def\contributiontitle#1{%
     \refstepcounter{chapter}%
     \generaltitledef{#1}%
     \ifx\bookDOI\@undefined
     \else
       \@tempcnta\numexpr\componentd@i+\@ne\relax
       \xdef\componentd@i{\the\@tempcnta}%
       \xdef\@DOI{%
         https://doi.org/\bookDOI
         -\ifx\thepage\thefrontmatterpage2\else0\fi
         \ifnum\@tempcnta<10 0\fi\componentd@i}%
     \fi}
   \def\contributionsubtitle#1{\gdef\p@persubtitle{#1}}
   \DeclareRobustCommand*\contributionnote[1]{%
     \vskip19.5\p@{\noindent\sffamily\small\dg@bartwo\dg@bartwo\\*[-2\p@]\noindent#1\par}}}
\def\openaccess{\global\let\@openaccess\relax}
\long\def\abstract#1{\gdef\@abstract{#1}}
\newcommand*\transabstract[2][]{%
  \def\@transabstractlang{#1}%
  \gdef\@transabstract{#2}}
\def\keywords#1{\gdef\@keywords{#1}}
\newcommand*\transkeywords[2][]{%
  \def\@transkeywordslang{#1}%
  \gdef\@transkeywords{#2}}
\newcommand*\correctionnote[2][]{%
  \if!#1!\else\expandafter\addto\csname captions\languagename\endcsname{\def\correctionnotename{#1}}\fi
  \gdef\@correctionnote{#2}}
\newcommand\classification[2][]{%
  \if!#1!\else\def\classificationName{#1}\fi
  \gdef\@classification{#2}}
\def\received#1{\gdef\@received{#1}}
\def\revised#1{\gdef\@revised{#1}}
\def\accepted#1{\gdef\@accepted{#1}}
\def\communicated#1{\gdef\@communicated{#1}}
\@ifclassloaded{article}
  {\def\dedication#1{\gdef\@dedication{#1}}
   \def\reviewinfo#1{\gdef\@reviewinfo{{\par\normalsize#1\par}}}}
  {}
\@ifclassloaded{article}
  {}
  {\def\contribution{%
     \if@openright\cleardoublepage\else\clearpage\fi
     \global\@topnum\z@
     \@afterindentfalse
     \let\thesection\theplainsection
     \let\theequation\theplainequation
     \let\thefigure\theplainfigure
     \let\thetable\theplaintable
     \expandafter\let\csname AB@affil1label\endcsname\relax
     \expandafter\let\csname AB@affil2label\endcsname\relax
     \expandafter\let\csname AB@affil3label\endcsname\relax
     \expandafter\let\csname AB@affil4label\endcsname\relax
     \let\AB@authlist\@empty
     \@namedef{@sep2}{\Authand}%
     \def\AB@affilsep{\protect\Affilfont}%
     \let\AB@affillist\@empty
     \let\AB@runningauthors\@empty
     \let\@runningauthor\@undefined
     \let\@runningtitle\@undefined}}
\def\markleft#1{%
  \begingroup
    \let\label\relax \let\index\relax \let\glossary\relax
    \expandafter\@markleft\@themark {#1}%
    \@temptokena \expandafter{\@themark}%
    \mark{\the\@temptokena}%
  \endgroup
  \if@nobreak\ifvmode\nobreak\fi\fi}
\def\@markleft#1#2#3{\@temptokena {#2}%
  \unrestored@protected@xdef\@themark{{#3}{\the\@temptokena}}}
\def\contributiontitlen@te#1{\let\@makefntext\noindent\Footnotetextnote{}{\textsf{\textbf{\notename:}\space\mdseries#1}}}
\def\@makep@pertitle{%
  \raggedright
  \sffamily\strut
  \ifx\@articletype\@undefined
  \else
    {\interlinepenalty\@M
     \bfseries\large\@articletype}\par
     \ifx\@articlesubtype\@undefined
     \else
       {\interlinepenalty\@M
        \large\@articlesubtype\par}%
    \fi
    \vskip11\p@
  \fi
  \ifx\@review\@undefined\ifx\AB@authlist\@empty\else\AB@authlist\par\fi\fi
  {\def\footnotemark{\stepcounter{footnote}\protected@edef\@thefnmark{\thefootnote}\@footnotemark}%
   \mathversion{ssbold}\bfseries
   \ifx\f@rmat b\relax\@ifundefined{chapter}{\huge}{\LARGE}\else\LARGE\fi
   \ifx\thesection\theinchapsection\Large\@hangfrom{\thechapter\enskip}\fi
   \p@pertitle
  \par}%
  \vskip13\p@
  \ifx\p@persubtitle\@undefined
  \else
    \@ifundefined{chapter}{\ifx\f@rmat b\relax\vskip13\p@\fi}{\vskip-2\p@}%
    {\large\p@persubtitle\par}%
    \if@twocolumn\vskip19.5\p@\else\vskip13\p@\fi%%\@plus4.5\p@
    \global\let\p@persubtitle\@undefined
  \fi}
\def\makep@pertitle{%
 {\thispagestyle{plain}%
  \def\AB@protect{\expandafter\@firstofone}%
  \protected@edef\AB@runningauthors{\AB@runningauthors}%
  \addtocontents{toc}{\protect\contentsline{author}{\AB@runningauthors}{\thepage}{\@currentHref}}%
  \ifx\@runningauthor\@undefined
    \ifx\f@rmat b\relax
      \edef\@tempa{\ifx\@runningtitle\@undefined\else,\space\@runningtitle\fi}
      \markboth{\AB@runningauthors\@tempa}{\AB@runningauthors\@tempa}%
      \protected@xdef\@runningauthor{\AB@runningauthors}%
    \else
      \ifx\thesection\theinchapsection
        \chaptermark{\ifx\@runningtitle\@undefined\p@pertitle\else\@runningtitle\fi}
      \else
        \markleft{\AB@runningauthors}%
      \fi
    \fi
  \fi
  \phantomsection
  \expandafter\NR@gettitle\expandafter{\p@pertitle}\global\let\@currentlabelname\GetTitleStringResult
  \bgroup
    \let\footnote\@gobble
    \let\footnotetext\@gobble
    \let\articlenote\@gobble
    \let\contributionnote\@gobble
    \ifx\thesection\theinchapsection
      \addcontentsline{toc}{chapter}{\protect\numberline{\thechapter}\p@pertitle}%
    \else
      \addcontentsline{toc}{schapter}{\p@pertitle}%
    \fi
  \egroup
  \addtocontents{lof}{\protect\addvspace{13\p@}}%
  \addtocontents{lot}{\protect\addvspace{13\p@}}%
  \let\articlenote\contributiontitlen@te
  \let\contributionnote\contributiontitlen@te
  \if@twocolumn
    \@topnewpage[\@makep@pertitle]%
  \else
    \@makep@pertitle
  \fi
  \justifying\parindent\z@
  \sffamily\normalsize
  \ifx\@review\relax\@reviewinfo\fi
  \ifx\AB@affillist\@empty
  \else
    \ifx\@review\@undefined
      \@savsk\lastskip
      \let\@makefntext\noindent
      \Footnotetextauthor{}{\RaggedRight\AB@affillist}%
      \vskip-\@savsk\vskip\@savsk%reset \lastskip after \insert
    \else
      \vskip0.5\baselineskip
      \raggedright
      \AB@affillist\par
    \fi
  \fi
  \global\c@authors\z@\relax
  \global\c@affil\z@\relax
  \small
  \@ifundefined{chapter}
    {\vskip\baselineskip
     \vskip2\p@
     \ifx\@DOI\@empty\else\@DOI\fi}%
    {}%
  \ifx\@received\@undefined\else
    \ifx\@DOI\@empty
      \par\vskip\baselineskip
    \else
      \if@twocolumn\par\else,\space\fi
    \fi
    \noindent\small\sffamily
    \receivedname\space\@received
    \global\let\@received\@undefined
    \ifx\@revised\@undefined
    \else
      ;\space\revisedname\space\@revised
      \global\let\@revised\@undefined
    \fi
    \ifx\@accepted\@undefined
    \else
      ;\space\acceptedname\space\@accepted
      \global\let\@accepted\@undefined
    \fi
    \par
  \fi
  \normalsize
  \vskip0.5\baselineskip
  \ifx\@abstract\@undefined
  \else
    {\bfseries\abstractname:\space}%
    \textrm{\parindent6mm\@abstract}\par
    \global\let\@abstract\@undefined
  \fi
  \ifx\@keywords\@undefined
  \else
    \vskip0.5\baselineskip
    {\bfseries\keywordsname:\space}\textrm{\@keywords}\par
    \global\let\@keywords\@undefined
    \global\let\@keywordsset\relax
  \fi
  \ifx\@transabstract\@undefined
  \else
    \vskip0.5\baselineskip
    \if!\@transabstractlang!
      \def\@tempa{Abstract}\ifx\abstractname\@tempa\def\@transabstractlang{ngerman}\else\def\@transabstractlang{english}\fi
    \fi
    {\expandafter\otherlanguage\expandafter{\@transabstractlang}%
      \textbf{\abstractname:\space}%
      \textrm{\@transabstract}%
     \endotherlanguage}
    \par
    \global\let\@transabstract\@undefined
  \fi
  \ifx\@transkeywords\@undefined
  \else
    \vskip0.5\baselineskip
    \if!\@transkeywordslang!
      \def\@tempa{Keywords}\ifx\keywordsname\@tempa\def\@transkeywordslang{ngerman}\else\def\@transkeywordslang{english}\fi
    \fi
    {\expandafter\otherlanguage\expandafter{\@transkeywordslang}%
      \textbf{\keywordsname:\space}%
      \textrm{\@transkeywords}%
     \endotherlanguage}
    \par
    \global\let\@transkeywords\@undefined
  \fi
  \ifx\@correctionnote\@undefined
  \else
    \vskip0.5\baselineskip
    {\bfseries\correctionnotename:\space}\textrm{\@correctionnote}\par
    \global\let\@correctionnote\@undefined
  \fi
  \ifx\@classification\@undefined
  \else
    \vskip0.5\baselineskip
    \ifx\classificationName\@undefined\let\classificationName\classificationname\fi
    {\bfseries\classificationName:\space}\textrm{\@classification}\par
    \global\let\@classification\@undefined
  \fi
  \small
  \@ifundefined{chapter}{\vskip.5\baselineskip}{}%
  \ifx\@communicated\@undefined\else
    \leavevmode\dg@bartwo\dg@bartwo\\*[-2\p@]%
    {\bfseries\communicatedname:\space}\textsf{\@communicated}\par
  \fi
  \ifx\@dedication\@undefined\else
    \ifx\@communicated\@undefined
      \leavevmode\dg@bartwo\dg@bartwo\\*[-2\p@]%
    \fi
    {\bfseries\iflanguage{ngerman}{Für}{Dedicated to}\space}\textrm{\@dedication}\par
    \global\let\@dedication\@undefined
  \fi
  \global\let\@communicated\@undefined}%
  \@afterheading
  \normalsize
  \@ifundefined{chapter}
    {\addvspace{13\p@}}%
    {\ifx\@keywordsset\relax\global\let\@keywordsset\@undefined\addvspace{13\p@}\else\addvspace{19.5\p@}\fi}}
\@ifclassloaded{article}
  {\def\maketitle{%
     \def\@pstring{%
       \ifx\@journalname\@undefined\else
         \@journalname
         \space\@journalyear
         \ifx\@aop\@undefined
           \ifx\@journalvolume\@undefined\else
             ;\space\@journalvolume
             \ifx\@journalissue\@undefined\else
               (\@journalissue):%
               \thepage\textendash\pageref{LastPage}
             \fi
           \fi
         \else
           ;\space aop%
         \fi
       \fi}
    \makep@pertitle}}
  {\let\makecontributiontitle\makep@pertitle}
\newenvironment{Env@EndOfContrib}[1]
 {\if@noskipsec\leavevmode\fi
  \par
  \@afterindenttrue
  \if@nobreak
    \everypar{}%
  \else
    \addpenalty\@secpenalty\addvspace\baselineskip
  \fi
  \@nobreakfalse
  \global\@noskipsectrue
  \everypar{%
    \if@noskipsec
      \global\@noskipsecfalse
      {\setbox\z@\lastbox}%
      \clubpenalty\@M
      {\sffamily\bfseries#1:}%
      \unskip\hskip0.5em\relax
    \else
      \clubpenalty \@clubpenalty
      \everypar{}%
    \fi}%
  \ignorespaces}
 {\par
  \vskip\baselineskip
  \aftergroup\@afterbox}
\def\acknowledgement{\Env@EndOfContrib\acknowledgementname}
\let\endacknowledgement\endEnv@EndOfContrib
\def\funding{\Env@EndOfContrib\fundingname}
\let\endfunding\endEnv@EndOfContrib
\def\conflictofinterest{\Env@EndOfContrib\conflictofinterestname}
\let\endconflictofinterest\endEnv@EndOfContrib
\newenvironment{thegraphicalabstractsection}
 {\if@twocolumn
    \onecolumn
    \@tempswatrue
  \else
    \@tempswafalse
  \fi
  \thispagestyle{plain}%
  \global\@topnum\z@
  \@afterindentfalse
  {\parindent\z@
   \raggedright
   \leavevmode\vrule\@width\z@\@height\dimexpr\topskip+0.5\baselineskip\relax\@depth\z@
   \sffamily\bfseries\LARGE
   \interlinepenalty\@M
   \graphicalabstractname\par\nobreak
   \vskip13\p@}%
  \raggedright
  \raggedcolumns
  \multicolsep\z@
  \@afterheading}
 {\par
  \if@tempswa\twocolumn\else\break\fi}
\newcommand\graphicalabstract[5]{%
  \begin{multicols}{3}[\vrule\@width\hsize\@height1.5pt\\\vskip13\p@]%
    \sffamily
    #1\par
    {\bfseries#2}\par
    \vskip\baselineskip
    #3\par
    \columnbreak
    \RaggedRight
    {\bfseries Abstract:}\space{\rmfamily#4}\par
    \columnbreak
    \includegraphics[width=\hsize,trim=0 0 0 2]{#5}\par
  \end{multicols}}
\newenvironment{contributors}[1][]
 {\goodbreak
  \vskip2\baselineskip
  \sffamily
  \@afterindentfalse
  {\parindent\z@
   \raggedright
   \leavevmode\vrule\@width\z@\@height\dimexpr\topskip+0.5\baselineskip\relax\@depth\z@
   \sffamily\bfseries\LARGE
   \interlinepenalty\@M
   \if"#1"\listauthorname\else#1\fi\par\nobreak
   \vskip 13\p@}%
  \@afterheading}
 {\clearpage}
\newcommand\contributor[5]{%
  \goodbreak
  {\small
   \if!#4!\else\leftskip30mm\fi
   \noindent
   \if!#4!\else
     \ifx\f@rmat b\vrule\@width\z@\@depth29.8mm\fi
     \llap{%
       \if!#5!\else\expandafter\smash\fi
         {\lower29.8mm\hb@xt@26mm{%
           \includegraphics[width=26mm,height=32mm]{#4}\hss}\kern4mm}}%
   \fi
   \parbox[t]{\dimexpr\hsize-\leftskip}{%
     \raggedright
     \bfseries#1\par
     \mdseries#2%
     \if!#3!\else
       \ifx\f@rmat b\par\else,\space\fi
       \bfseries#3
     \fi}%
   \par\vskip\baselineskip
   \if!#4!\else
     \RaggedRight
     \ifx\f@rmat b\else\leftskip30mm\fi
   \fi
   \noindent#5\par}%
  \vskip2\baselineskip
  \def\@tempa{multicols}\ifx\@currenvir\@tempa\vskip\z@\@plus\baselineskip\@minus0.5\baselineskip\fi}
\newcommand\furtherreview[4]{%
  \goodbreak
  \vskip\baselineskip
  \def\@reviewauthor{#1}%
  \def\@reviewtitle{#2}%
  \def\@reviewdescription{#3}%
  {\parindent\z@
   \leavevmode\dg@bartwo\dg@bartwo\par
   \sffamily\normalsize
   #1%
   \vskip0.5\baselineskip\noindent
   {\raggedright\small
    \reviewedbyname\space\textbf{#2}%
    \if$#3$\else:\space#3\fi
    \par}%
   \if$#4$\else
     \vskip0.5\baselineskip\noindent
     {\small DOI\space#4}%
   \fi}%
  \addtocontents{article}%
    {\textbf{#2.}\space\textit{#1}}%
  \vskip\baselineskip
  \@afterbox}
\@ifclassloaded{article}
  {}
  {\long\def\dedication#1{%
    \if@openright
      \cleardoublepage
    \else
      \clearpage
    \fi
    \dg@barpage{}{{\normalsize#1}}}}
\RequirePackage{environ}
\let\@makeadvertisement\@empty
\long\def\@dvertisementcontent#1{%
  \gdef\@makeadvertisement{%
    \null\par\vfill
    \@tempcnta\z@
    \raggedright
    \sffamily
    \leavevmode
    \vrule\@width\z@\@height\dimexpr\topskip+0.5\baselineskip\relax\@depth\z@
    {\fontsize{14}{17}\bfseries\adverttitlename\par}%
    \nobreak
    %%\vskip-\lastskip
    %%\vskip\dimexpr5mm-\lineskip\relax
    #1\par}}
\newenvironment{advertisement}[1][]
 {\if!#1!\relax
  \else
    \gdef\adverttitlename{#1}%
  \fi
  \Collect@Body\@dvertisementcontent}
 {}
\def\otherpubl{%
  \nobreak
  \vskip\dimexpr5mm-\lineskip-0.2bp\relax
  \ifnum\@tempcnta<5
    \advance\@tempcnta\@ne
  \else
    \ifx\f@rmat s
      \PackageError{dgruyter}
        {Too many \string\otherpubl\space commands}
        {Please provide at most five \string\otherpubl\space commands.}
    \else
      \ifnum\@tempcnta<6
        \advance\@tempcnta\@ne
      \else
        \PackageError{dgruyter}
        {Too many \string\otherpubl\space commands}
        {Please provide at most six \string\otherpubl\space commands.}
      \fi
    \fi
  \fi
  \@ifnextchar[{\@therpubl}{\@therpubl[]}}
\def\@therpubl[#1]{%
  \bgroup
  \if!#1!
    \let\c@verimage\@undefined
  \else
    \def\c@verimage{#1}%
    \parbox[t]{16mm}{\includegraphics[width=16mm,height=22.48mm]{#1}}%
    \advance\hsize-16mm
    \kern\columnsep
    \advance\hsize-\columnsep
  \fi
  \@ifnextchar[{\@@therpubl}{\@@therpubl[]}}
\def\@@therpubl[#1]#2#3#4{%
  \parbox[b][22.48mm][t]{\hsize}{\raggedright
    \if!#1!\else\textbf{#1}\\\fi
    \emph{#2}\\
    #3\\
    #4}%
  \egroup
  \par}
\def\makeadvertisement{%
  \if@twocolumn
    \onecolumn
    \@tempswatrue
  \else
    \@tempswafalse
  \fi
  \cleardoublepage
  \pagestyle{empty}%
  \thispagestyle{empty}%
  \label{makeadvertisement}%
  \@makeadvertisement
  \if@tempswa\twocolumn\else\break\fi
  \thispagestyle{empty}%
  \null}
\endinput
%%
%% End of file `dgruyter.sty'.