History of Ripples::new 2 changes

In crates/backdrop/src/ripples.rs, lines 50–98 on 367f34b8e590b83920b391fbe78d201500c6b051145d52f8f6f2d9c060f8fa67. 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.