<html><head><meta name="color-scheme" content="light dark"></head><body><pre style="word-wrap: break-word; white-space: pre-wrap;">\documentclass{article}
\usepackage[backend=biber]{biblatex}
\addbibresource{foo.bib}
\begin{document}
foo\cite{TeXbook}
\include{sub}
\printbibliography
\end{document}
</pre></body></html>