\input{umtest-preamble} \usepackage{unicode-math} \begin{document} \setmathfont[math-style=TeX]{Free Serif} \[谋确\quad 饾殼饾殽\] \[\mathup{谋确}\quad \mathup{饾殼饾殽}\] \[\mathit{谋确}\quad \mathit{饾殼饾殽}\] \setmathfont[math-style=upright]{Free Serif} \[谋确\quad 饾殼饾殽\] \[\mathup{谋确}\quad \mathup{饾殼饾殽}\] \[\mathit{谋确}\quad \mathit{饾殼饾殽}\] \end{document}