It also features a toggleable sidebar, an inline interactive search/filter bar and a modern UI with good visual feedback. Not as trivial as plain li and ul.
... which doesn't hide the uninteresting context around the commands in question, and doesn't cluster the commands with the same text together for convenient viewing.
Frankly, a lot of websites would be infinitely more useful if they were curl | grep friendly. It's like current generation doesn't realize that it is technically possible to fetch valuable information you need efficiently from the Internet - one just has to not make it insanely difficult on purpose.