History of seal 2 changes

In src/cli/proposal.rs, lines 130–161 on cc7a00565161b0f3cdee591a879b4088d2018526dd7a8b9a846ab6699765e07a. 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.