History of seal 2 changes

In src/cli/proposal.rs, lines 130–161 on 1b2ce97050fe04fbb606cd8e4b26741c4a0292ab378a180572a9aeb17dcc62d9+75036530b62161b517e759e8319fc1fdc21e45d9e62e1d01ab78b8ffc0673ba2. 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.