<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.

A cat is an animal with four legs. It's nice to pet, especially when it's a baby cat, called a kitten. Or it's the unix "cat" command. It takes a filename (or many) and prints the contents of that (those) file(s).