<b_jonas> slashlearn euclid//Euclid is a short geeky game in which the goal is to do Euclidean compass and straightedge constructions in as few steps as possible. It runs in the browser, found at "http://www.euclidthegame.com/". It was popular among #esoteric regulars in 2016-07.

scowrevs="$(/usr/bin/paste -sd'|' /hackenv/share/scowrevs)"; hg log -r "tip:0 & ! ($scowrevs)" "$@" | sed 's/\(\(^\| \)[<Itb][^ ]*\)\([^ ][^ ]\)/\1̈\3/'