\input regression-test.tex
\documentclass{article}
\usepackage[
  languages={en,de},
  targetlang=en,
  unified shorthands=true
]{langselect}
\begin{document}
\START
\renewcommand\openautoquote{\TYPE{OPEN}}
\renewcommand\closeautoquote{\TYPE{CLOSE}}
"`text"'
\END
\end{document}