History of seal 2 changes

In src/cli/proposal.rs, lines 130–161 on bc489b6c7f69749ef87bb7d13df4c7e85ebcbd96b64a95ab1d27acfda66c0f7d. 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.