[smartmic]

FWIW, I recently learned that it is also possible to produce nice PDF papers with GNU roff (groff), have a look at this example: https://github.com/SudarsonNantha/LinuxConfigs/blob/master/....

[pimlottc]

Looks nice but seems strange to switch from two columns to one column after the first page? Although maybe they’re just trying to demonstrate its capabilities.

[macintux]

W. Richard Stevens (RIP, still hurts) famously used troff for his books.