Hanno's version made a big splash in 2009. We discussed LaTeX coffee rings back in 2010 - https://news.ycombinator.com/item?id=1924697 https://news.ycombinator

Hanno's version made a big splash in 2009. We discussed LaTeX coffee rings back in 2010 - https://news.ycombinator.com/item?id=1924697 https://news.ycombinator.com/item?id=1924697