History of seal 2 changes

In src/cli/proposal.rs, lines 130–161 on 72215f29df4cfa98bf7f5abda0c0e25d962bd916d7ae076ecdca0870bd538bfb. 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.