- Feature: new package option for citation management tool (bib engine), biber or bibtex

cleanthesis.tex

@@ -111,6 +111,13 @@ This option can be used to define a different label separator for cations of fig
 
 \optitem[bluemagenta]{colortheme}{\opt{bluemagenta},\opt{bluegreen}}
 
+\optitem[bibtex]{bibsys}{\opt{biber},\opt{bibtex}}
+
+Sets whether to use \texttt{biber} or \texttt{bibtex} as citation management tool (engine).
+The default (still) is \texttt{bibtex}.
+
+"\texttt{Biber} [is] a BibTeX replacement for users of BibLaTeX", see <http://biblatex-biber.sourceforge.net/>.
+
 \end{optionlist}
 
 \end{document}