<oerjan> le/rn scowrevs///hackenv/share/scowrevs is a list of repository revision ranges that affected a lot of files but in the end changed nothing (usually because of a revert at the end). Most of our custom repository lookup commands ignore these to reduce noise.

Esoteric languages. Usually refers to programming languages designed to be unique, difficult to program in, or just plain weird. See https://esolangs.org for more.