LaTeX Forum

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%
%  Move numbers of section headings left into the margin
%
% Re-define \chapterformat only if it is defined and not \relax without making it \relax if it is not defined:
\ifundefinedorrelax{chapterformat}{}{%
  \renewcommand*{\chapterformat}{\makebox[0pt][r]{\chapappifchapterprefix{\ }\thechapter\autodot\enskip}}%
}
% Note that this redefinition of \chapterformat will break options chapterprefix and appendixprefix!
% Re-define \sectionformat:
\providecommand*{\sectionformat}{}
\renewcommand*{\sectionformat}{\makebox[0pt][r]{\thesection\autodot\enskip}}
% Re-define \subsectionformat:
\providecommand*{\subsectionformat}{}
\renewcommand*{\subsectionformat}{\makebox[0pt][r]{\thesubsection\autodot\enskip}}
% Re-define \subsubsectionformat:
\providecommand*{\subsubsectionformat}{}
\renewcommand*{\subsubsectionformat}{\makebox[0pt][r]{\thesubsubsection\autodot\enskip}}
% Don't redefine \paragraphformat or \subparagraphformat because by default they are in-text headings.
% Re-define \othersectionlevelsformat (for KOMA-Script < 3.17:
\renewcommand*{\othersectionlevelsformat}[1]{%
  \makebox[0pt][r]{%
    % Following line is the original definition
    \csname the#1\endcsname\autodot\enskip
  }%
}
%
%  End of redefining format makros
%
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%

\documentclass[fontsize=12pt,ngerman,BCOR=12mm]{scrreprt} 
\usepackage[automark,headsepline]{scrlayer-scrpage} 
\usepackage[T1]{fontenc} 
\usepackage{lmodern}
\usepackage{babel}
\usepackage{microtype}
\usepackage{selinput}
\SelectInputMappings{adieresis={ä},germandbls={ß},Euro={€}} 
\title{Gliederungsnummern in den Rand ausrücken} 
\author{komascript.de/node/27} 
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 
% Move numbers of section headings left into the margin 
%    http://komascript.de/node/27 
% Re-define \chapterformat only if it is defined and not 
% \relax without making it \relax if it is not defined: 
\begingroup 
\expandafter\expandafter\expandafter\endgroup 
\expandafter\ifx\csname chapterformat\endcsname\relax\else 
   \renewcommand*{\chapterformat}{% 
     \llap{% 
       % Following line is the original definition 
       \chapappifchapterprefix{\ }\thechapter\autodot\IfUsePrefixLine{}{\enskip}% 
     }% 
   } 
\fi
% Redefine \sectionformat etc.
\renewcommand*{\sectionformat}{\llap{\thesection\autodot\enskip}}
\renewcommand*{\subsectionformat}{\llap{\thesubsection\autodot\enskip}}
\renewcommand*{\subsubsectionformat}{\llap{\thesubsubsection\autodot\enskip}}
% End of redefining format makros 
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 
\usepackage{blindtext}
\begin{document} 
\maketitle 
\Blinddocument 
\end{document}

% Gliederungsnummern in den Rand geht nicht mehr unter KOMA-Script v3.17.2062 
\documentclass[fontsize=12pt,ngerman,BCOR=12mm]{scrreprt} 
\usepackage[automark,headsepline]{scrlayer-scrpage} 
\usepackage[T1]{fontenc}
\usepackage{lmodern,babel,selinput,microtype,blindtext} 
\SelectInputMappings{adieresis={ä},germandbls={ß},Euro={€}}
\pagestyle{scrheadings} 
\title{Gliederungsnummern in den Rand ausrücken} 
\author{komascript.de/node/27}
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% Move numbers of section headings left into the margin
%    http://komascript.de/node/27
% Re-define \chapterformat only if it is defined and not
% \relax without making it \relax if it is not defined:
\begingroup
\expandafter\expandafter\expandafter\endgroup
\expandafter\ifx\csname chapterformat\endcsname\relax\else
  \renewcommand*{\chapterformat}{%
    \llap{%
      % Following line is the original definition
      \chapappifchapterprefix{\ }\thechapter\autodot\enskip
    }%
  }
\fi
% Re-define \othersectionlevelsformat
\renewcommand*{\othersectionlevelsformat}[1]{%
  \llap{%
    % Following line is the original definition
    \csname the#1\endcsname\autodot\enskip
  }%
}
% End of redefining format makros
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\begin{document} 
\maketitle 
\Blinddocument 
\end{document}