Ah, yes, the 90s html was jam packed with   (aka  ) to make things not wrap, and that was stellar good fun for copy-pasting

The other "2020s" problem is some leading unicode marks which are also invisible. I thought it was BOM but those do seem to show up to cat but just a few weeks ago I had a file from a vendor's site that wouldn't parse but that both cat and vim said was fine, only to find the wtf? via the almighty xxd