History of convert 1 change

In src/cpu/extract.py, lines 25–40 on 35bd422c903281cc261aa568b0d6fc798d6257121c49444ae49b760750922384. 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 25,40:src/cpu/extract.py.