An MWE:
Code: Select all
\documentclass[11pt]{article} %%%%article adds section name in header
\usepackage{amsmath}
\usepackage{amssymb}
\usepackage{enumitem}
\usepackage{fontspec}
\usepackage{textcomp}
\usepackage[notipa, shadedcells]{ot-tableau}
\usepackage{gb4e}
\usepackage{linguex}
\begin{document}
\vspace{-6pt}
\hspace{.38in}
\begin{tableau}{c|c:c|c|c|}
\inp{\ips{CV\textsuperscript{$\mu\mu$}}} \const*{\textsc{Wt-ID}/V\textsubscript{\textsc{strong}}} \const*{\textsc{SyllSize}} \const*{*$\mu$|\textsc{ons}\textsubscript{\textsc{[simplex]}}} \const*{WBP[\textsc{ons}]}
\cand*{CV} \vio{*!} \vio{} \vio{} \vio{*}
\cand*{CV\textsuperscript{$\mu$}} \vio{*!} \vio{} \vio{} \vio{*}
\cand*{C\textsuperscript{$\mu$}V\textsuperscript{$\mu\mu$}} \vio{} \vio{*!} \vio{*!} \vio{}
\cand*[\Optimal]{CV\textsuperscript{$\mu\mu$}} \vio{} \vio{} \vio{} \vio{*}
\end{tableau}
\end{document}

However, when I run the same code on Overleaf, the table is rendered correctly (see

My fellow academics have the opposite issue (their PDF has missing horizontal lines when built on Overleaf) and we are unable to troubleshoot this on our own. We think the issue may be related to changes to `hhline` package, but we do not know for sure.
Any help would be appreciated!