History of margins 1 change

In crates/backdrop/src/field.rs, lines 236–239 on 0468394734e96d5db008f4e36827ed560766ae8742e0e42ed4ac7184f49242e5. 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 236,239:crates/backdrop/src/field.rs.