Comment by CJefferson

That's genuinely good to know.

The thing that often hits me nowadays is using pandoc (or pandoc via quarto) to go markdown -> latex -> pdf, which tends to bury these issues (and in markdown it's more tempting to just write emojis / unicode maths symbols.

Why use markdown, because I want good HTML output (which I realise is getting better in latex, but still not as good as markdown -> HTML.