diff --git a/preambles/document_default.tex b/preambles/document_default.tex
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+% -----------------------------------------
+%   This LaTeX file is a default preamble
+%       for different document types.
+% It is part of a general purpose document.
+% -----------------------------------------
+% Copyright (C) 2020 by Nils Freydank,
+%   <nils.freydank@posteo.de>
+% License: CC BY-SA 4.0 International.
+% see COPYING-CC-BY-SA for more details
+% ----------------------------------------- %
+\documentclass[%                            % define the general type of document
+	paper=a4,                               % use DIN A4 as the piper size
+	12pt,                                   % text size in unit "points"
+	abstract=off,                           % for an abstract with a title
+	twoside=on,                             % for twosided layout
+	bindingoffset=10mm,                     % let's assume some offset for binding
+	chapterprefix=false                     % toggle the "chapter" prefix in front of each chapter
+]%
+% --- choose one of the following document types ---
+% see https://komascript.de/komascriptbestandteile
+% --- choose one of the following document types ---
+% see https://komascript.de/komascriptbestandteile and
+% for more details https://www.namsu.de/Extra/latex-klassen.html
+%{scrartcl} % for _really_ short documents, starts at \section level
+%{scrbook} 
+%{scrlettr}
+%{scrlttr2}
+{scrreprt}  % for longer texts like a thesis, starts at \chapter level
+% --------------------------------------------------
+\directlua{                                 % create PDFs version 2.0
+	pdf.setmajorversion(2)
+	pdf.setminorversion(0)
+}
+%
+\setlength{\parindent}{0pt}                 % avoid the indent at the start of a new paragraph
+%
+\usepackage[                                % configure the page geometry
+	a4paper,
+	top=2cm,
+	bottom=3cm,
+	left=3cm,
+	right=2cm
+]{geometry}
+%\usepackage[onehalfspacing]{setspace}      % configure the line spacing
+%
+\usepackage{polyglossia}
+\usepackage{csquotes}                       % bibtex yells if it is not loaded
+\setdefaultlanguage[                        % global language configuration for TOC etc.
+	variant=german,
+	spelling=new,
+	latesthyphen=true
+]{german}
+%
+\usepackage[
+	backend=biber,                          % modern backend
+ 	style=numeric,                          % reference by numbers
+	sorting=none                            % i.e. same order as in text
+]{biblatex}                                 % load the bibliography package
+\addbibresource[datatype=bibtex]{\bibpath}
+%
+\usepackage[pdfusetitle]{hyperref}          % for internal links; pdf use title for metadata inside the PDF
+\hypersetup{unicode=true}                   % let links support unicode/utf-8
+%
+\usepackage{fontspec}                       % load the font, choose linux libertine in the next line
+\usepackage{libertine}                      % https://r2src.github.io/top10fonts/
+\setmonofont{inconsolata}                   % use inconsolata for source code listings
+%
+\usepackage{graphicx}                       % for graphics via \includegraphics
+\usepackage{flafter}                        % to place the included graphics properly
+%\usepackage{subcaption}                     % for graphics consisting of different parts
+% --- BEGIN OF UTTERLY WEIRD STUFF --------------------
+% We *must* load for \includegraphics with size configs either
+%  - graphicx instead of graphics, or
+%  - graphics plus tikz, or
+%  - graphics plus cirkuitikz
+% --> we need grapicx XOR graphics + any tikz
+\usepackage{tikz}                           % for graphics "compilation"
+\usetikzlibrary{shapes,arrows}
+\usepackage[siunitx]{circuitikz}            % for graphs and circuits
+% --- END OF U.W.S. -----------------------------------
+\usepackage{siunitx}                        % use proper units
+\sisetup{locale=DE}
+%\usepackage{pdfpages}                       % to include whole PDF pages
+%
+\usepackage[headsepline]{scrlayer-scrpage}  % for heading and footer modification
+\pagestyle{scrheadings}
+\clearpairofpagestyles
+%
+\usepackage[cache=false]{minted}            % for code listings; needs pygments and -shell-escape inside the LaTeX call!
+\usemintedstyle{github}                     % take a look at "pygmentize -L styles"
+%
+\usepackage{amsmath}                        % to draw bold in math mode with \boldsymbol{}
+%
+\usepackage{scrextend}                      % load the package for footnote manipulations
+%
+\raggedbottom                               % avoid large vertical spaces between paragraphs
+%
+\deffootnote[2em]{2em}{1em}%                % configure the indentation of footnotes
+	{\textsuperscript{\thefootnotemark}\,}
+%
+\newcommand*{\fullref}[1]{%                 % combine ref and nameref into one command with one link
+	\hyperref[{#1}]{\ref*{#1}~\nameref*{#1}}%
+}
+% vim:fileencoding=utf-8:ts=4:syntax=tex:colorcolumn=81:noexpandtab