History of main 1 change

In build.rs, lines 4–27 on aa4939e07a092789f94655dab78135c3cb4f7dda9626ce2baebf51a63611782e. 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.