I never read the Arc source but I bet what he means is how comments are laid out in memory which you can see is reflected with direct links: https://news.ycomb

I never read the Arc source but I bet what he means is how comments are laid out in memory which you can see is reflected with direct links: https://news.ycombinator.com/item?id=6857138 https://news.ycombinator.com/item?id=6857138 I'm not sure why that would be impossible in a none-lisp, just less elegant.