Source: history/chronology/investigations/en/how_it_was/09_05.html

Could not parse expression with acorn

[next-mdx-remote] error compiling MDX:
Could not parse expression with acorn

More information: https://mdxjs.com/docs/troubleshooting-mdx

Common fix: site pages use MDX, not plain CommonMark HTML. Replace HTML comments <!-- … --> with JSX comments {/* … */}. See MDX troubleshooting.