History of proven 1 change

In crates/flow/src/update.rs, lines 283–289 on 85275e1ef3b757806addfbb309ed663d825bc085764ddd29692d595a20b3668a. 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 283,289:crates/flow/src/update.rs.