History of seal 2 changes

In src/cli/proposal.rs, lines 130–161 on 73609c9f7f50a9d4d5ac26f5a45b5231ff9e266cf9445ea09d63118d33d28a50. 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.