Remove hint to URL package

slides/references-and-footnotes.de.md

@@ -13,10 +13,6 @@ Referenzen und Fußnoten
 Fußnoten <span class="emoji">📎</span>
 
 @content
-``` {.hljs .lang-tex}
-\usepackage{hyperref}
-```
-
 Die Nummerierung erfolgt automatisch und ist fortlaufend, unabhängig davon, ob ein neuer Abschnitt beginnt.
 
 ``` {.hljs .lang-tex}

slides/references-and-footnotes.en.md

@@ -13,14 +13,8 @@ References and footnotes
 Footnotes <span class="emoji">📎</span>
 
 @content
-``` {.hljs .lang-tex}
-\usepackage{hyperref}
-```
-
 Footnotes are automatically numbered consecutively, independent of sections.
 
-(Here, `hyperref` is used for the `\url` command, it is not necessary for footnotes per se.)
-
 ``` {.hljs .lang-tex}
 The wild boar (\textit{Sus scrofa}), also 
 known as the wild swine, common wild pig, 
@@ -44,7 +38,7 @@ Cross-references
 Manually (just don’t!)
 
 ``` {.hljs .lang-tex}
-As you can see in figure 23, …
+As you can see in Figure 23, …
 ```
 
 Using the `\ref` command:

slides/tables.de.md

@@ -317,8 +317,7 @@ Weiterführendes Beispiel
 \begin{table}[h]
     \begin{tabular}{llr}
         \toprule
-        Struktur & \multicolumn{2}{l}{Zeitkomplexität für Zugriff} \\ \cmidrule(r){2-3}
-        & Average & Worst \\
+        Struktur  & \multicolumn{2}{l}{Zeitkomplexität für Zugriff} \\ \cmidrule(r){2-3} & Average & Worst \\
         \midrule
         Stack     & $\mathcal{O}(n)$      & $\mathcal{O}(n)$      \\
         Binärbaum & $\mathcal{O}(log(n))$ & $\mathcal{O}(log(n))$ \\

slides/tables.en.md

@@ -317,8 +317,7 @@ An advanced example
 \begin{table}[h]
 	\begin{tabular}{llr}
 		\toprule
-		Structure & \multicolumn{2}{l}{Access time complexity} \\ \cmidrule(r){2-3}
-		& Average & Worst \\
+		Structure   & \multicolumn{2}{l}{Access time complexity} \\ \cmidrule(r){2-3} & Average & Worst \\
 		\midrule
 		Stack       & $\mathcal{O}(n)$      & $\mathcal{O}(n)$      \\
 		Binary tree & $\mathcal{O}(log(n))$ & $\mathcal{O}(n)$      \\