<oerjan> addquote <shachaf> int-e does not like this [...] <int-e> shachaf: I experience heightened levels of indifference :P <shachaf> Higher than your usual? <int-e> who cares?

`revert <rev>" can be used to revert to a revision. See <https://hackego.esolangs.org/fshg/>. It is a builtin command so cannot be called from other commands.