Adapt literature task for biber

exercises/literature/literature.code.done.tex

@@ -1,5 +1,12 @@
-An introductory \LaTeX{} course can be found in \enquote{\LaTeX{} in 24 Hours} \cite{datta2017}.
+% Preamble adjustments
+
+% Literature
+\usepackage[style=numeric, citestyle=alpha, backend=biber]{biblatex}
+\addbibresource{exercises/literature/literature.bib}
+
+% Actual content
+
+An introductory \LaTeX{} course can be found in \enquote{\LaTeX{} in 24 Hours} \parencite{datta2017}.
 There is a plethora of further handbooks \cite*[e.\,g.,][]{goossensmittelbach2010}.
 
-\bibliographystyle{plain}
-\bibliography{exercises/literature/literature.done.bib}
+\printbibliography

exercises/literature/task.tex

@@ -8,12 +8,12 @@
     \item Dilip Datta (2017): \LaTeX\ in 24 Hours. A Practical Guide for Scientific Writing.
     \item Frank Mittelbach / Michel Goossens (2010): Der \LaTeX-Begleiter.
   \end{itemize}
-  \item Add the Bib\TeX{} entries to the newly created Bib\TeX{} files.
+  \item Add the Bib\TeX{} entries to the newly created Bib\TeX{} file.
   \item Assign unique and meaningful Bib\TeX{} keys.
-  \item Include the Bib\TeX{} file in a suitable location, where later on the references should be listed.
-  \item Cite the two handbooks in the 
-  file\\\file{exercises/literature/literature.tex}.
-  \item Make use of the \mono{plain} biliography style.
-  \item \textbf{Note}: If compiling fails, it may help to remove all auxiliary 
-  files \\(\mono{main.aux/bbl/blg/loc/out/pdf/soc/toc}) before compiling again.
+  \item Add the bibliography file to the project's preamble.
+  \item Make use of the \mono{alpha} bibliography style.
+  \item Cite the two handbooks in the file\\\file{exercises/literature/literature.tex}.
+  \item Ensure that the bibliography is listed.
 \end{enumerate}
+
+\noindent \textbf{Note}: If compiling fails, it may help to remove all auxiliary files \\(\mono{main.aux/bbl/blg/loc/out/pdf/soc/toc}) before compiling again.

praeamble.tex

@@ -53,7 +53,7 @@
 \usepackage[autostyle,autopunct=false]{csquotes}
 
 % Literature
-\usepackage{natbib}
+\usepackage[style=numeric, citestyle=ieee, backend=biber]{biblatex}
 
 % Line wraps in monospace font
 \usepackage[htt]{hyphenat}