That explains the fax-mediated comments section. I guess HTML FORMs[0,1] weren't going to hit until late[2] 93...
[0] https://web.mit.edu/kolya/.f/root/net.mit.edu/sipb.mit.edu/u...
[1] View Source confirms still in use by HN
[2] http://1997.webhistory.org/www.lists/www-talk.1993q4/0447.ht...