Function consequence 

pub fn consequence(
    step: Direction,
    of: Option<&Consequence>,
    offered: Offered,
    viewing: Viewing,
) -> String

What a press of undo — or of redo — will cost the log, in the sentence invariant 8 asks every such control to carry.

One spelling, because two shells print it, and the wording is the entry’s rather than the button’s. Under the lens the registry withholds the document half, and this says why rather than merely greying out.