http://download.netsurf-browser.org/netsurf/releases/source-full/netsurf-all-3.10.tar.gz
https://cpan.metacpan.org/authors/id/G/GA/GAAS/HTML-Parser-3.72.tar.gz html-parser
https://cpan.metacpan.org/authors/id/P/PE/PETDANCE/HTML-Tagset-3.20.tar.gz html-tagset
https://raw.githubusercontent.com/vim/vim/v8.2.1158/src/xxd/xxd.c xxd
