Start background chapter

preamble.tex

@@ -1,7 +1,5 @@
 % Language
 \usepackage[american]{babel}
-% \usepackage[T1]{fontenc} % Silbentrennung bei Sonderzeichen
-% \usepackage[utf8]{inputenc}
 
 % Layout
 \usepackage[left=3.5cm,right=2.5cm,top=2.5cm,bottom=2.5cm]{geometry} % Typical margin
@@ -9,7 +7,8 @@
 \usepackage{setspace} % Line stretch
 
 % Bibliography
-\usepackage[backend=biber,urldate=iso,date=iso,seconds=true]{biblatex}
+\usepackage[backend=biber,style=alphabetic,urldate=iso,date=iso,seconds=true]{biblatex}
+\setcounter{biburlnumpenalty}{7000} % linebreaks after numbers
 \bibliography{references,zotero}
 \usepackage[nottoc,notlof,notlot]{tocbibind} % Include bibliography in ToC, nottoc disables the "Contents" entry for the ToC itself
 
@@ -17,7 +16,6 @@
 \usepackage{graphicx} % Required for inserting images
 \usepackage[font=small,labelfont=bf,labelsep=endash,margin=1cm,hypcap]{caption}
 \usepackage[margin=1cm,hypcap]{subcaption} % Mehrere Figuren in einer
-% \usepackage{float} % [H] floating/positioning von Figuren
 \usepackage{floatbytocbasic} % float for komascript
 % \usepackage[bottom,multiple]{footmisc} % Bottom not below footnote
 \usepackage{flafter}
@@ -26,7 +24,6 @@
 % Math
 \usepackage{amsmath,amsthm} % Don't load amssymb with concmath-otf
 \usepackage{mathtools} % Extension of amsmath
-% \usepackage{upgreek} % For non italic greek (vectors/matrices)
 \usepackage{unicode-math}
 \usepackage{lualatex-math}
 
@@ -117,7 +114,7 @@
 % Macros
 \let\oldurl\url%
 \let\url\undefined%
-\newcommand{\url}[2][\PackageError{Thesis}{URL requires 2 arguments: \url[date]{address}, e.g.\ \url[07/27/2024]{https://github.com}}{}]{\oldurl{#2} (visited on #1)}
+\newcommand{\url}[2][\PackageError{Thesis}{URL requires 2 arguments: \url[date]{address}, e.g.\ \url[2024-07-27]{https://github.com}}{}]{\oldurl{#2} (visited on #1)}
 
 \let\oldref\ref%
 \let\ref\undefined%