[luatex] package csquotes

[Herbert Voss]

With xelatex everything is fine, but with lualatex
the second ! is wrong.

up-to-date TL 2016

\documentclass{article}
\usepackage[ngerman]{babel}
\usepackage[autostyle]{csquotes}
\begin{document}
\enquote{foo \enquote{!bar!} baz}

!bar!{}`
\end{document}


Herbert