History of seal 2 changes

In src/cli/proposal.rs, lines 130–161 on 4476cdbb0443b2f9c638c85a4786b4da025a512072a22be3486aed4035d297ec. 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 130,161:src/cli/proposal.rs.