哪些地方有误或缺失
\documentclass[a4paper,12pt]{article}
\usepackage{fontspec}
\usepackage[turkish,italian]{babel}
\babelfont[italian]{rm}[Ligatures=TeX,Numbers={Proportional,OldStyle}]{EB Garamond}
\babelfont[turkish]{rm}[Ligatures=TeX,Numbers={Proportional,OldStyle}]{EB Garamond}
\begin{document}
\selectlanguage{italian}
Quel ramo del lago di Como
\end{document}
为了:
! Missing \endcsname inserted.
<to be read again>
\let
l.7 \begin{document}
谢谢
多发性硬化症