History of Ripples::new 2 changes

In crates/backdrop/src/ripples.rs, lines 50–98 on 5360cea36c30a7236e2fb61a89c48f7cc65132f1af97caae4780e8b664ee15ea. Every change that wrote or deleted one of these lines, or deleted a line from between them. Exact, because each line keeps its identity across edits; edits elsewhere in the file are not here. Also: oxy log -L 50,98:crates/backdrop/src/ripples.rs.