History of main 1 change

In build.rs, lines 4–27 on 7bd805ffb418c08c7e31385c5823b239cf46df3191bf326652ae31fa403cff77. 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 4,27:build.rs.