History of Mark::point 1 change

In crates/backdrop/src/mark.rs, lines 98–100 on 9c04c779f03283ab78d451bc81e324acdb2ff5c60f391768a6a187405490e6d8. 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 98,100:crates/backdrop/src/mark.rs.