It's especially weird considering that the Markdown file is publicly available:

https://icube-forge.unistra.fr/icps/c23-library/-/blob/main/...

Raw Markdown, for no-JS readers:

https://icube-forge.unistra.fr/icps/c23-library/-/raw/main/R...

The content seems to be hosted in a GitLab repo with the raw view serving the HTML but with the wrong content type. The JS is there to fix that. Weird setup.

Archived copy that works without JS:

https://archive.today/Hz81c

And it's still broken on my phone.