History of writable 1 change

In src/cli/sync.rs, lines 1241–1258 on 284fe47d98b95a8811d65bcf3c101dc26a0024a088c18fa52315c7dc97fb8242. 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 1241,1258:src/cli/sync.rs.